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Статті в журналах з теми "Candlenut shell"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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1

Sembiring, Timbangen, Muhammadin Hamid, Herty Afrina Sianturi, et al. "Empowering the Community Through Candlenut Peeling Machine Training and Mentoring in Sembahe Village." ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat 10, no. 1 (2025): 53–57. https://doi.org/10.32734/abdimastalenta.v10i1.18402.

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A candlenut peeling machine is a technological innovation aimed at improving the efficiency of separating candlenut seeds from their shells. Hand-peeling candlenuts requires a lot of time and effort, and it carries a high risk of damaging the candlenut kernels due to uneven impact. This candlenut peeling machine is equipped with a mechanism that reduces seed damage and increases productivity. The machine can be operated manually or semi-automatically and works on the principle of utilizing pressure and friction to break the shell without damaging the seeds inside. Experimental results show tha

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2

Salam, Abdul, Abram Tangkemanda, Nashbirullah Nashbirullah, Asriadi Asriadi, and Muhammad Farid Fauzan. "Rancang Bangun Mesin Pemisah Kulit Kemiri Terintegrasi Komponen Pengering dan Penyaring." Jurnal Teknik Mesin Sinergi 20, no. 1 (2022): 17. http://dx.doi.org/10.31963/sinergi.v20i1.3415.

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With the traditional method, 1 worker can only produce 1.5 kg/hour of candlenut. When it rains, the candlenut cannot be dried in the sun, so the production of candlenut stops. Candlenut which is not completely dried, cannot produce quality candlenuts when cracked. This study aims to increase the quantity and quality of the candlenut seed production through the design of an integrated drying and filter component of the pecan shell separator using the 3 variable machine capacity test method (drying temperature, drying time and motor rotation) needed to produce optimal conditions for production c

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3

Romu, Megawati T. H., Siti Nuryanti, and Siti Aminah. "Analysis of Calsium (Ca) and Potassium (K) Levels in Candlenut Shells (Aleurites moluccana Willd)." Jurnal Akademika Kimia 9, no. 1 (2020): 58–62. http://dx.doi.org/10.22487/j24775185.2020.v9.i1.pp58-62.

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Candlenut shell (Aleurites moluccana Willd) is a waste produced from processing candlenut plants with a fairly hard texture. The use of candlenut shells as fertilizer, especially in Central Sulawesi, has not been done so much. The aim of this study was to determine the levels of calcium (Ca) and potassium (K) in candlenut shells. Calcium and potassium levels were determined using an atomic absorption spectrophotometer (AAS). The results show that the average calcium level in the candlenut shell is 0.315 ± 0.09%, while the average potassium level is 0.090 ± 0.01%. The results of Ca and K in can

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4

Hasan Harun, Ervan, Jumiati Ilham, Romi Djafar, and Yunita Djamalu. "PEMANFAATAN LIMBAH ORGANIK SEBAGAI ENERGI ALTERNATIF MENGGUNAKAN REAKTOR GASIFIKASI DOWNDRAFT." Journal Of Renewable Energy Engineering 2, no. 2 (2024): 63–74. http://dx.doi.org/10.56190/jree.v2i2.43.

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Organic waste from coconut shells, corn cobs, candlenut shells, and lamtoro wood is often found in the Gorontalo region. The gasification of organic waste has the potential to reduce organic waste and produce gas for various applications, including heating, power generation, and industrial raw materials. The research aims to determine the gas composition of the downdraft gasification process from organic waste from coconut shells, candlenut shells, corn cobs, and lamtoro wood, to determine the rate of fuel consumption, and to determine the calorific value. The method used is an experimental me

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5

Basuki, Hari Wahyu, Yuniarti Yuniarti, and Fatriani Fatriani. "ANALISA SIFAT FISIK DAN KIMIA BRIKET ARANG DARI CAMPURAN TANDAN KOSONG AREN (Arenga pinnata Merr) DAN CANGKANG KEMIRI (Aleurites trisperma)." Jurnal Sylva Scienteae 3, no. 4 (2020): 626. http://dx.doi.org/10.20527/jss.v3i4.2346.

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The waste of candlenut shells and empty sugar palm bunches has considerable potential and can be used as raw material for charcoal briquettes. This study aims to analyze the properties of charcoal from a mixture of candlenut shells and palm sugar bunches on the physical properties of the charcoal briquettes produced. To determine the effect of the mixture of candlenut charcoal shells and sugar palm empty fruit bunches, treatment of 100% candlenut shells, 100% sugar palm empty bunches, 75% candlenut shells + 25% sugar palm empty bunches, 75% empty sugar palm bunches + 25% candlenut shells, 50%

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6

Marcelline, Aldo, Syahrul Sariman, and Eka Yuniarto. "Penggunaan Cangkang Kemiri Sebagai Pengganti Sebagian Agregat Kasar Terhadap Kuat Tekan Dan Kuat Lentur Beton Dengan Zat Tambah Silica Fume." Jurnal Penelitian Teknik Sipil Konsolidasi 3, no. 1 (2025): 113–22. https://doi.org/10.56326/jptsk.v3i1.4283.

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The high demand for concrete in construction has increased the need for concrete materials, driving the mining of rocks as a primary component of concrete. Using simple technology that utilizes local resources, including waste as building materials, is essential for concrete technology development. Candlenut shells are a new potential material due to their hard texture. This study uses a design strength of 25 MPa for normal concrete, aiming to observe the effect of using candlenut shells as a partial coarse aggregate replacement with added Silica Fume on concrete's compressive and flexural str

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7

Mudaim, Sarifah. "Analisis Proksimat Karbon Kulit Kemiri (Aleurites moluccana) dengan Variasi Suhu Karbonisasi." Jurnal Ilmu dan Inovasi Fisika 5, no. 2 (2021): 157–63. http://dx.doi.org/10.24198/jiif.v5i2.35056.

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Анотація:

Candlenut (Aleurites moluccana) is a plant with various benefits. Currently, candlenut is mostly used as a spice, candlenut shells also has a high calorific value so that it can be used as fuel. Candlenut has shells which is an organic waste. Candlenut shells have a hard texture and high carbon content. Most of the candlenut shell is used as fuel and only a small part is used as raw material for carbon production. Candlenut shell have good physical and chemical properties as carbon raw materials. Activated carbon is one of the carbon phases that can be used for various applications. In this pa

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8

Mudaim, Sarifah, Sahrul Hidayat, and Risdiana. "Effect of Heating Temperature on the Chemical Structure and of Conductivity Carbon from Candlenut Shells (Aleurites Moluccana)." Materials Science Forum 1028 (April 2021): 302–7. http://dx.doi.org/10.4028/www.scientific.net/msf.1028.302.

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Candlenut Shells is one of the many commodities growing in Indonesia and experiencing rapid progress production development. The shell of candlenut has good characteristic that allow it to be used as carbon. activated carbon is one of material that can be applied for various application. In this paper, we reported the synthesis of activated carbon from candlenut shell in order to get high quality of carbon by controlling the heating temperature in synthesis. Variation of heating temperature in to produce carbon were 300, 400, 500, 600 and 700 °C . FTIR Spectroscopy was carried out to determine

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9

Anggara, Mietra, and Aburijal Jibril. "PENGARUH PUTARAN PULLY (RPM) DAN TEKANAN TERHADAP PRODUKTIVITAS MESIN PEMECAH BIJI KEMIRI." Jurnal TAMBORA 5, no. 2 (2021): 8–15. http://dx.doi.org/10.36761/jt.v5i2.1106.

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Candlenut is a spice that is used as an ingredient in the manufacturing process of the food and cosmetic industry, the obstacles faced in breaking the candlenut shell are that the time and energy required is still too large so that the splitting of the candlenut shell is less efficient and there are still many farmers who still use traditional candlenut crackers. with a driving force in the form of human power. In addition, the results of the quality of the candlenut cracking are not good because there are still many broken hazelnut seeds after the process of breaking the candlenut shell. Thes

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10

Sutejo, Agus, Rahmatul Fajri, and Lilis Sucahyo. "Optimasi Kecepatan Putar dalam Peningkatan Mutu Biji Kemiri pada Mesin Pemecah Cangkang Biji Kemiri (Aleurites moluccana willd.)." Jurnal Agricultural Biosystem Engineering 2, no. 1 (2023): 48. https://doi.org/10.23960/jabe.v2i1.6751.

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Postharvest handling of candlenut in the traditional way is less effective and efficient. A worker is only able to break as much as 9–10 kg of candlenut/day and this also causes high work fatigue, besides thas many kernels are broken and destroyed (percentage og intact round kernels is only 40–60 %) so the price of candlenut becomes cheaper. Therefore, a candlenut crushing machine is needed with an optimum rorational speed that able to provide optimal and consistent energy to candlenuts crushing result. The candlenut material was dried at at 90 ˚C for 3 and 4 hours, then put it in ice water at

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11

Aminah, Sitti, Rafiuddin, and Andi Sahri Alam. "Valuation of the Direct Benefits of Candlenut for Communities around the Forest on the Slopes of the Gawalise Mountains." Jurnal Penelitian Pendidikan IPA 11, no. 6 (2025): 34–41. https://doi.org/10.29303/jppipa.v11i6.11334.

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Candlenut plants can function as conservation plants to reclaim marginal lands that have been degraded. The development of candlenut plants on degraded land can not only increase the economic value of the land, but can also be used as plants with high economic value. The general objective of this study was to determine the economic value of candlenuts located on the slopes of the Gawalise Mountains in Uwemanje Village, Kinovaro Regency, Sigi Regency, Central Sulawesi. Specifically, the objectives of this study are; To determine the production of candlenut fruit, and the productivity of candlen

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12

Bryan Fery, Charles Situmorang, and Ai Silmi. "EFEKTIVITAS ARANG AKTIF CANGKANG KEMIRI (Aleuritas molaccanu) UNTUK PENGOLAHAN LIMBAH TEMPE." JURNAL TECHLINK 6, no. 02 (2023): 1–7. http://dx.doi.org/10.59134/jtnk.v6i02.169.

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This study aims to determine the effect of giving candlenut shell activated charcoal using the parameters BOD (Biochemical Oxygen Demand), TSS (Total Suspended Solid), and pH (power of hydrogen) in tempe waste. The research uses quantitative methods, the type of research is experimental and laboratory observation. The research sample consisted of tempe waste and candlenut shell activatedcharcoal. The data analysis technique consisted of calculating the effectiveness and efficiency of removal, as well as the Kruskal-Wallis statistical test. The results showed that activated charcoal of candlenu

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13

Tambunan, B. H., H. Saptoadi, and M. Syamsiro. "A Preliminary Study on Use of Candlenut Shell as a Renewable Source of Energy, Min Indonesia." Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) 9, no. 1 (2014): 17–20. https://doi.org/10.36842/jomase.v9i1.488.

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The decreased world fossil energy reserve, in general, and specifically in Indonesia requires us to find alternative energy resources. Biomass is one of alternative energies with great potential in Indonesia. One of it is Candlenuts Shell (CNS) as the waste of candlenuts fruit, with the production 89,155 tons/year will produce 207,958 tons shell/year. Candlenut shells are made into briquette with particle size < 1 mm, and then burnt in combustion test instrument with variations raw material composition of biomass and biomass charcoal. Mass reduction of each variable is measured using digita

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14

Swandi, Muh Darmawan, Mustakim Mustakim, and Muhammad Jabir Muhammadiah. "Mechanical Test of Plastic Waste Paving Blocks with a Mixture of Candlenut Shells given Compressive Strength Values." Journal of Civil Engineering and Planning 6, no. 1 (2025): 9–16. https://doi.org/10.37253/jcep.v6i1.10196.

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Candlenut shells are an organic waste that can be used as a mixed aggregate in making lightweight concrete to reduce environmental pollution. This research aims to analyze the compressive strength performance and the effect of changes in the water absorption capacity of paving blocks made from plastic waste mixed with candlenut shells as a substitute for fine aggregate. Using experimental methods according to the SNI-03-2834-2000 standard, this research was carried out at the Structure and Materials Laboratory of the Muhammadiyah University of Parepare with 12 paving block samples. The results

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15

Ilham, Rahmad, Masril Masril, and Ana Susanti Yusman. "STUDI SUBSTITUSI PEMANFAATAN ABU CANGKANG KEMIRI SEBAGAI PENAMBAHAN AGGREGAT HALUS TERHADAP KUAT TEKAN BETON Fc’ 14,53 MPa." Ensiklopedia Research and Community Service Review 1, no. 3 (2022): 154–59. http://dx.doi.org/10.33559/err.v1i3.1250.

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Concrete is a mixture of portland cement or other hydraulic cement, coarse aggregate, fine aggregate and water, with or without additives that form a solid mass (SNI-03-2847-20020). This research is to find out the compressive strength of environmentally friendly concrete by utilizing the results of burning candlenut shells as a new alternative to obtain concrete obtained from waste bark. The method used is a quantitative method with research in the Civil Engineering laboratory of the University of Muhammadiyah, West Sumatra. The purpose of this study is to find out how much influence candlenu

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16

Reditta, Patricius, Danang Murdiyanto, and Bernardus Crisanto Putra Mbulu. "DETERMINATION OF CALORIEVING VALUE AND COMBUSTION RATE OF CANDLECRON SHELL BRIQUETTE THROUGH VARIATION OF PARTICLE SIZE AND PRESSURE FACTOR." Mechanical, Energy and Material (METAL) 3, no. 1 (2025): 14–21. https://doi.org/10.59581/metal.v3i1.128.

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Candlenut shell is an organic waste that has a hard texture and has a high carbon element. The amount of candlenut shell produced from each processing of candlenut seeds is very large but has not been optimally utilized. For this reason, an effort is needed to utilize candlenut shells so that they do not become waste. In the manufacture of hazelnut shell briquettes, hazelnut shells are carbonized at 500 °, sifted with mesh 30 and 100 sieves, given a compressive load of 3 kg, 4 kg, 5 kg and 5.5 kg, the adhesive on hazelnut shell briquettes is starch and drying is carried out with a drying oven

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17

Simanjuntak, Johan Oberlyn, Tiurma Elita Saragi, Nurvita Insani Simanjuntak, and Imesari Hulu. "PENGUJIAN KUAT TEKAN BETON TERHADAP PENGGUNAAN CANGKANG KEMIRI PADA BETON RAMAH LINGKUNGAN." Jurnal Darma Agung 29, no. 2 (2021): 146. http://dx.doi.org/10.46930/ojsuda.v29i1.942.

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One of the factors of economic growth is the development of infrastructure to encourage the creation of various activities. Concrete becomes an important part in the process of infrastructure development. For the concrete mixture, gravel is the most important part for concrete constituents. The limitation of gravel in nature led to the creation of various studies to replacement solutions for the use of gracel in concrete mixtures.Candlenut shell is one of the waste is not getting attention in its uses. Department of Plantation North Sumatera Province recorded the candlenut production in North

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18

Sainuddin, Sainuddin. "Pengaruh Kekuatan Aspal Dengan Penambahan Abu Cangkang Kemiri Sebagai Pengganti Filler Pada Lapis AC - WC." BANDAR: JOURNAL OF CIVIL ENGINEERING 6, no. 1 (2024): 16–23. http://dx.doi.org/10.31605/bjce.v6i1.3343.

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West Sulawesi holds great potential in the field of candlenut farming, ranking second in Indonesia by producing 10 tons per year. This has an impact on the large amount of candlenut waste produced, especially in the candlenut shell part. One way to overcome this is to use candlenut shell ash as a substitute for filler in the asphalt layer. The aim of this research is to determine the effect of using candlenut shell ash waste as a filler on the type of Asphalt Concrete - Wearing Course mixture with variations in the addition of 2%, 3% and 4% filler. Apart from that, this research also aims to a

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19

Jonson Sula Dethan, Jemmy. "Evaluation of an empirical model for predicting the calorific value of biomass briquettes from candlenut shells and kesambi twigs." Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering 7, no. 3 (2024): 253–64. http://dx.doi.org/10.21776/ub.afssaae.2024.007.03.6.

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Biomass briquettes offer a sustainable alternative to conventional fossil fuels, contributing to renewable energy while reducing environmental impact. This research explores the development of biomass briquettes from candlenut shell charcoal (Aleurites moluccanus) and kesambi twigs (Schleichera oleosa), focusing on their physical properties and heating values. Using tapioca as a binder, briquettes were produced with varying ratios: A. Control (90% kesambi twigs + 10% adhesive), B. 3:1 (67.5% kesambi twigs + 22.5% candlenut shell charcoal + 10% adhesive), C. 1:1 (45% kesambi twigs + 45% candlen

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20

Botahala, Loth, Adolfina Oualeng, Herlince Padamakani, and Dusse E. Botahala. "Pelatihan Pembuatan Briket Dari Limbah Cangkang Kemiri." ABDIKAN: Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi 1, no. 4 (2022): 511–17. http://dx.doi.org/10.55123/abdikan.v1i4.1106.

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Global warming is a process of increasing the average temperature in the atmosphere, at sea, and on land, so that it will result in very extreme climate changes on earth. One of the exhaust gases known by various levels of society is carbon dioxide gas or commonly abbreviated as CO2. This gas is formed due to various human activities and because it occurs naturally, including burning garbage to forest fires. The candlenut shell is a waste from the candlenut fruit which has become a new problem in the community, especially the residents of the candlenut-producing villages. This community servic

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21

Leslie Mendame, Lauri, Patricia Silangen, and Alfrie Rampengan. "PERBANDINGAN KARAKTERISTIK KARBON AKTIF ARANG TEMPURUNG KELAPA DAN ARANG TEMPURUNG KEMIRI MENGGUNAKAN SCANNING ELECTRON MICROSCOPIC DAN FOURIER TRANSFORM INFRA RED." Jurnal FisTa : Fisika dan Terapannya 2, no. 2 (2021): 105–8. http://dx.doi.org/10.53682/fista.v2i2.138.

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Utilization of coconut shell and candlenut shell in Indonesia has not been used optimally as in North Sulawesi. The purpose of this research was to compare the characteristics of the pore size and functional groups of activated carbon, coconut shell charcoal and candlenut shell charcoal. The research method includes the activation stage and characterization of activated carbon using Scanning Electron Microscopic (SEM) and Fourier Transform Infra Red (FTIR). The results of this study are the characteristics of coconut shell charcoal activated carbon which has a larger pore size of 31.5 µm - 41.

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22

Bapa, Yustina. "Effect Of The Contact Time Of Candlenut Shell Charcoal And H3PO4 Activator As On The Purification Process Of Used Cooking Oil." Jurnal Akta Kimia Indonesia (Indonesia Chimica Acta) 12, no. 2 (2019): 104. http://dx.doi.org/10.20956/ica.v12i2.7889.

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Research on Comparison of the Contact Time of Candlenut Charcoal with H3PO4 Activator in the Process of Purifying Used Cooking Oil has been conducted. The purpose of this study was to determine the ability of candlenut shells activated with H3PO4 against purifying used cooking oil. The variation of the number of candlenut shells used is 1 gram, 2 grams, and 3 grams and the variation of contact time is 10 minutes, 30 minutes and 60 minutes. The results showed that the activation of hazelnut shell using H3PO4 fulfills SNI 16-3730-1995, while the results of used cooking oil purification with 2 gr

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23

Silvia, Silvia, Rochmi Widjajanti, and Ida Nur Apriani. "Pengaruh Penambahan Cangkang Kemiri Terhadap Karakteristik Komposit Poliuretan." Jurnal Ilmiah Teknik Kimia 7, no. 2 (2023): 64–71. http://dx.doi.org/10.32493/jitk.v7i2.28257.

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Composite was made to increase the durability of the material. In this study, 5 variations were carried out on candlenut shell powder, 18, 22, 26, 30, 34 grams. The study aims to know the effect of adding candlenut shell powder in polyurethane composite. The material characterization carried out using Scanning Electron Microscopy (SEM), Fourier Transform Infrared (FTIR), Universal Testing Machine (UTM), and thermal properties testing using Thermogravimetric Analysis (TGA) and Differential Scanning Calorimetry (DSC). The addition of candlenut shells affects the characteristics of the polyuretha

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24

Rohman, Sopyan Ali, Abdurrahman Abdurrahman, and Shafwan Amrullah. "Pengaruh Kecepatan Udara Primer Dan Sekunder Terhadap Kenerja Kompor Biomassa Berbahan Bakar Cangkang Kemiri." Jurnal Pengendalian Pencemaran Lingkungan (JPPL) 4, no. 1 (2022): 39–48. http://dx.doi.org/10.35970/jppl.v4i1.1200.

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Анотація:

Household energy need in Indonesia, especially for cooking, are still dominated by LPG fossil fuels with 70% of LPG needs being imported. On the other hand, the availability of biomass waste, especially candlenut shells, is abundant. One way to optimize the use of candlenut shells is to use candlenut shells as fuel for biomass stoves by optimizing the efficiency of biomass stoves. In this study, a biomass stove with primary and secondary airflow was used with a combustion chamber diameter of 200 mm and a height of 340 mm. The biomass waste used is candlenut shells as fuel. The purpose of this

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25

Adnyasuari, Ida Ayu Ganitri, I. Gusti Ayu Ekawati, and Ni Made Indri Hapsari Arihantana. "SUBSTITUSI TEPUNG ALMOND DENGAN TEPUNG KEMIRI (Aleurites moluccana Wild) TERHADAP KARAKTERISTIK KULIT MACARON." Jurnal Ilmu dan Teknologi Pangan (ITEPA) 8, no. 2 (2019): 122. http://dx.doi.org/10.24843/itepa.2019.v08.i02.p02.

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This research aims to identify the substitution of almond flour with candlenut flour on the characteristics of macaron shell, and to identify the right concentration of almond flour with candlenut flour on the characteristics of macaron shell. This research used randomized block design with the treatment ratio of almond flour with candlenut flour, which consists of 6 levels such as: 100% : 0%, 80% : 20%, 60% : 40%, 40% : 60%, 20% : 80%, and 0% : 100%. Each treatment was repeated 3 times, resulting in 18 experimental units. The data were then analyzed using Analysis of Variance and if the treat

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26

Agustian, Kusmira, Cut Liliiza Yusra, and Roni Agusmaniza. "Durabilitas Campuran AC-WC Dengan Pemanfaatan Abu Cangkang Kemiri Dan Getah Damar Sebagai Material Substitusi." Publikasi Riset Orientasi Teknik Sipil (Proteksi) 6, no. 2 (2024): 195–202. https://doi.org/10.26740/proteksi.v6n2.p195-202.

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Durability is one of characteristics to determine the level of asphalt mixture resistance in climate changes. This study compare resistance of AC-WC type asphalt mixtures with the use of substitute materials of candlenut shell ash and damar resin. The Firts make composition, test specimens, weighing and soakings for 30 minutes in water at temperature 60°C. The substitution levels of damar resin used are 2%,4%, and 6% of total weight of asphalt, while candlenut shell ash is 10% of the total weight of filler in the mixture. After obtaining the OAC, next make test specimens on the OAC of each typ

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Dian Halimah Batubara, Taslim, Seri Maulina, and Iriany. "HIDROLISIS SELULOSA MENGGUNAKAN KATALIS KARBON TERSULFONASI BERBASIS CANGKANG KEMIRI." Jurnal Teknik Kimia USU 7, no. 2 (2018): 23–27. http://dx.doi.org/10.32734/jtk.v7i2.1645.

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 Cogon grass (Imperata cylindrica) contains cellulose which is convertible to glucose through hydrolysis by using inorganic liquid acid catalyst. However, the use of such catalyst leads to corrosion problem, environment pollution, and complex separation. To overcome this problem, a sulfonated carbon catalyst was proposed. This study aimed to evaluate candlenut shell as carbon source for catalyst support in sulfonated carbon catalyst, and its application in cellulose hydrolysis. Candlenut shell was carbonized at 300-550oC for 4 h. Resulting carbon was sulfonated at 120-150oC for 6 h. Sulf

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Darma, R., and A. Amri. "A Simple Candlenut Shell Carbonization Tool." IOP Conference Series: Materials Science and Engineering 506 (April 15, 2019): 012052. http://dx.doi.org/10.1088/1757-899x/506/1/012052.

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Amri, A., L. Lindawati, and F. Fitriani. "Ash content of candlenut shell charcoal produced by candlenut shell carbonization tool using a vertical multi chambers." IOP Conference Series: Earth and Environmental Science 644, no. 1 (2021): 012074. http://dx.doi.org/10.1088/1755-1315/644/1/012074.

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Susilawati, E. Frida, Andriayani, et al. "Characterization of Adsorbents Based on Pahae Natural Zeolite and Candlenut Shell Activated Carbon for Peat Water Purification." Journal of Physics: Conference Series 2866, no. 1 (2024): 012010. http://dx.doi.org/10.1088/1742-6596/2866/1/012010.

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Abstract The importance of developing effective adsorbents for environmental applications cannot be overstated, particularly in the context of water and wastewater treatment. Previous research has extensively explored various natural and synthetic materials for their adsorption capabilities. Pahae natural zeolite, a naturally occurring aluminosilicate mineral, is known for its excellent ion-exchange properties and high surface area, making it a promising candidate for pollutant removal. Similarly, activated carbon derived from agricultural by-products, such as candlenut shells, has been recogn

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Gobel, Siti Amalia, Fathiin K Rahmawati, Rustam Anwar, and Farid SM. "Uji Karakteristik Biobriket Berbahan Baku Tongkol Jagung dan Cangkang Kemiri." Jurnal Biogenerasi 9, no. 1 (2024): 923–26. https://doi.org/10.30605/biogenerasi.v9i1.3522.

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This research aims to make charcoal briquettes from corn cob organic waste, determine the right type of adhesive to make corn cob charcoal briquettes to produce good quality briquettes, determine the right percentage of adhesive to produce corn cob briquettes to produce good quality briquettes. good and know the characteristics of the best corncob charcoal briquettes which include water content, volatile matter content, ash content, bound carbon content and calorific value. The sample used was corn cob waste obtained from a corn farmer in Botuwombato Village, North Gorontalo Regency. This rese

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Taslim, Octa Bani, Iriany, Novi Aryani, and Gapenda Sari Kaban. "Preparation of Activated Carbon-Based Catalyst from Candlenut Shell Impregnated with KOH for Biodiesel Production." Key Engineering Materials 777 (August 2018): 262–67. http://dx.doi.org/10.4028/www.scientific.net/kem.777.262.

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Candlenut shell is an agricultural waste which can be processed into low-cost active carbon. Activated carbon cannot be used directly as a heterogeneous catalyst in transesterification of biodiesel because of its low alkalinity, thus treatment is required. In this study, the carbonization of candlenut shells was conducted at 500°C for 4 h. The activated carbon obtained was modified by impregnation with potassium hydroxide (KOH) solution. KOH concentration used was 50g/150 ml aqua des and impregnation time was 24 h. The impregnated activated carbon was characterized by Scanning Electron Microsc

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Lis Ayu Widari, Muthmainnah Muthmainnah, Adzuha Desmi, Syibral Malasyi, and Putri Utami. "Pemanfaatan Penambahan Limbah Inner-Tube Rubber dan Penggunaan Abu Cangkang Kemiri Sebagai Substitusi Filler pada Campuran AC-WC." Jurnal Teknik Mesin, Industri, Elektro dan Informatika 3, no. 3 (2024): 164–77. http://dx.doi.org/10.55606/jtmei.v3i3.4189.

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Various problems that occur in asphalt damage in Indonesia have triggered new innovations to deal with existing problems, one of which is by improving the quality of asphalt by adding substances (additives) or substitutions to the aggregate composition. This study aims to determine the utilization of inner tube rubber waste and the use of candlenut shell ash as a substitute filler in the AC-WC mixture. This study is an experimental study. The manufacture of test objects using an AC-WC mixture with a total of 18 test objects was then tested using the Marshall method. The results of this study i

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Rindayatno, Kurniawan Joan, Irvin Dayadi, Agus Nur Fahmi, and Muhammad Rosyid Ridho. "The Effect of Charcoal Composition from Candlenut Shells (Aleurites Moluccana) and Rubber Fruit Shells (Hevea Brasiliensis) on the Quality of Charcoal Briquettes." International Journal of Scientific Multidisciplinary Research 3, no. 4 (2025): 583–94. https://doi.org/10.55927/ijsmr.v3i4.191.

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Charcoal briquettes are a type of solid fuel that can be used as a complement to fossil fuels because they are made from biomass waste. The advantages of charcoal briquettes are that they have high calorific value, high density, uniform size and quality, easy to store and ship. The purpose of this study was to analyze the effect of charcoal composition from candlenut shells and rubber fruit shells. A simple completely randomized design was used with 5 treatments with 5 replications for testing density, moisture content, compressive strength, and 5 treatments with 3 replications for testing vol

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Buhani, S. N. Halimah, Suharso, and Sumadi. "UTILIZATION OF ACTIVATED CARBON FROM CANDLENUT SHELLS (Aleurites Moluccana) AS METHYLENE BLUE ADSORBENT." Rasayan Journal of Chemistry 15, no. 01 (2022): 124–31. http://dx.doi.org/10.31788/rjc.2022.1516538.

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Candlenut shell is a potential material to be used as activated carbon. This study aims to explore the kinetics and isotherm of adsorption of activated carbon from the shell of candlenut against the methylene blue (MBe) dye in the solution. Activation of carbon from the shell of candlenut was carried out physically for 1 h at 700 °C and proceeded with chemical activation using 10% zinc chloride (ZnCl2) solution to produce each physical (ACp-CS) and chemically (ACc-CS) activated carbon. The presence of functional groups in ACp-CS and ACc-CS was identified by an infrared (IR) spectrometer, while

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Amri, Asbahrul, Oktalia Triananda Lovita, Devi Satria Saputra, et al. "Candlenut Shell Charcoal Yield in Every Chamber Produced by Candlenut Shell Carbonization Tool Using a Vertical Multi Chamber." IOP Conference Series: Materials Science and Engineering 1062, no. 1 (2021): 012056. http://dx.doi.org/10.1088/1757-899x/1062/1/012056.

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37

Suardi, Suardi Suardi. "ANALISA KAMPAS REM CAKRAM KOMPOSIT CANGKANG KEMIRI, SERBUK ALUMINIUM, SERAT KELAPA DAN POLIURETAN DENGAN TEKANAN 3 TON." RODA: Jurnal Pendidikan dan Teknologi Otomotif 1, no. 2 (2021): 55. http://dx.doi.org/10.24114/roda.v1i2.28142.

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Nowadays, the fulfillment of materials with certain characteristics is very much needed along with the rapid development of technology. Coconut fiber material is a lightweight but strong composite material. Dried coconut fibers can be used as resin reinforcement because of their rigid structure as well as candlenut shells whose hardness can also be used. The purpose of this study was to find the best composite brake canvas composition from candlenut shells and coconut fiber by going through a series of wear and friction coefficient tests with comparisons of Honda Genuine Part and After Market

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Bukasa, Dewi A., Harry S. J. Koleangan, and Audy D. Wuntu. "ADSORPSI TOLUENA PADA ARANG AKTIF TEMPURUNG KEMIRI." JURNAL ILMIAH SAINS 12, no. 2 (2012): 93. http://dx.doi.org/10.35799/jis.12.2.2012.561.

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ADSORPSI TOLUENA PADA ARANG AKTIF TEMPURUNG KEMIRI ABSTRAK Telah diteliti adsorpsi toluena pada arang aktif yang dibuat dari tempurung kemiri yang diaktivasi dengan ZnCl2. Penelitian ini bertujuan untuk menentukan parameter adsorpsi, yaitu kapasitas dan energi adsorpsi. Parameter tersebut dihitung dari persamaan regresi linear yang diperoleh dari data adsorpsi toluena pada arang aktif dalam sistem tertutup yang dianalisis menggunakan model isoterm adsorpsi Dubinin-Raduskevich. Hasil yang diperoleh menunjukkan bahwa arang aktif tempurung kemiri dapat mengadsorpsi toluena dengan kapasitas adsorp

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Tripelo Fladinir, Alfonsius, Hadi Prasetyo Suseno, and Sri Sunarsih*. "Efektivitas Karbon Aktif Tempurung Kemiri Dalam Menurunkan Kadar Warna Naftol Merah Limbah Cair Industri Batik." Jurnal Teknologi 15, no. 1 (2022): 30–37. http://dx.doi.org/10.34151/jurtek.v15i1.3985.

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The batik industry is one of the producers of pollution that can damage natural ecosystems. Batik industrial wastewater contains a lot of pollutants such as conductivity, BOD, COD, TSS, TDS, oil, pH. and temperature which are not suitable for the environment. In this study, the reduction of COD, BOD. and the concentration of red naphthol dye in the batik industry wastewater which was adsorbed with activated carbon of candlenut shell was studied. Batik wastewater is taken from Ngentakrejo Village, Kapanewon Lendah, Kulon Progo Regency. Candlenut shell activated carbon was obtained from pyrolysi

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Alfazrin, Melky, Jumiati Ilham, and Ervan Hasan Harun. "Pemanfaatan Biobriket dari Kulit Kakao dan Cangkang Kemiri sebagai Energi Alternatif." Research Review: Jurnal Ilmiah Multidisiplin 4, no. 1 (2025): 251–59. https://doi.org/10.54923/researchreview.v4i1.140.

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Various methods have been taken to optimize the availability of fossil bioenergy reserves in Indonesia but have not been able to meet primary energy needs. The continued use of fossil- based energy such as oil, natural gas and coal will have an impact on increasing greenhouse gas emissions and climate stability. The bioenergy potential of biomass sources encourages researchers to conduct research on biomass waste as an alternative energy source. This research was conducted to determine the calorific value, combustion rate and water content of cocoa shell and candlenut shell waste using a mixtu

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Anwar, Muhammad, Rini Endang Prasetyowati, and Hidayatul Ahyani. "KELAYAKAN USAHATANI TEMBAKAU VIRGINIA: STUDI KOMPARASI PADA PROSES PENGOVENAN DI KABUPATEN LOMBOK TIMUR." JSEP (Journal of Social and Agricultural Economics) 14, no. 1 (2021): 1. http://dx.doi.org/10.19184/jsep.v14i1.19608.

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There are two methods of flue curing process used in virginia tobacco farmers in East Lombok, which are curing with fossil fuel and curing with local (alternative) fuels (candlenut shell, palm kernel shells, wood, and corn cobs). Now days, due to increasing fossil fuels price, farmer tend to use local fuels. The research objective was to compare the costs, income, and feasibility level of virginia tobacco farming on the use of various alternative fuels in the oven process in East Lombok Regency. The method used is descriptive survey method to 40 farmers. The cost of farming virginia tobacco us

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Nanda, Farid, Darmadi Darmadi, Muhammad Zaki, Adisalamun Adisalamun, and Aula Chairunnisak. "Candlenut Shell and Clay-Derived Monoliths with Molasses Binder: A Sustainable Approach to Water Dye Decontamination." Jurnal Kimia Sains dan Aplikasi 28, no. 2 (2025): 88–97. https://doi.org/10.14710/jksa.28.2.88-97.

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This study presents a sustainable approach to water dye decontamination using monoliths constructed from candlenut shells, clay, and molasses as a binder. The candlenut shells were activated to form carbon and then mixed with natural clay and molasses to create the monolith composite. The dough was pushed through a stainless-steel mold featuring seven circular openings, each measuring 2 cm in width and 2 cm in thickness, to create the monoliths (MCC and MMCC). The monoliths were rigorously tested for adsorption efficiency, isotherm behavior, and kinetic properties. Results showed a high dye re

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Wuntu, Audy D., and Vanda S. Kamu. "KINETICS OF GASEOUS TOLUENE ADSORPTION ON CANDLENUT SHELL ACTIVATED CARBON." JURNAL ILMIAH SAINS 13, no. 1 (2013): 33. http://dx.doi.org/10.35799/jis.13.1.2013.1979.

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KINETICS OF GASEOUS TOLUENE ADSORPTION ON CANDLENUT SHELL ACTIVATED CARBON ABSTRACT Adsorption kinetics of gaseous toluene on activated carbon prepared from candlenut shell had been studied. The research was performed by examining adsorption data, which was obtained in previous research, over several rate equations, which were: (1) Lagergren’s pseudo first order rate equation, (2) Ho’s pseudo second order rate equation, (3) Elovich’s equation, and (4) persamaan Ritchie’s equation. The result showed that the data of toluene adsorption on candlenut shell activated carbon fits the Ho’s pseudo sec

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Elisa, Elisa, Shintawati Shintawati, Dian Ayu Afifah, and Adityas Agung Ramandani. "Characteristics candlenut shell-based activated Carbon for reduction Iron (Fe) in surface water from Bratasena Tulang Bawang, Lampung." Journal of Natural Sciences and Mathematics Research 10, no. 1 (2024): 35–45. http://dx.doi.org/10.21580/jnsmr.v10i1.20320.

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Candlenut shells are only used as fuel, and some are thrown away, so their use has not been maximized. Because of their high carbon content, candlenut shells may be used to create adsorbents. This study looks at how different activator concentrations of KOH activators can be used to make adsorbents from candlenut shells. The study will investigate how various activator concentrations affect the ability of adsorbents based on candlenut shells to bind molecules. Furthermore, the investigation will examine the possible uses of these adsorbents in diverse sectors, including air purification and wa

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Rahim, Miftahul Hafiza, Trisnu Satriadi, and Noor Mirad Sari. "PENGARUH PERSENTASI PEREKAT DAMAR (Shorea javanica) TERHADAP KARAKTERISTIK DAN LAJU PEMBAKARAN BRIKET ARANG CANGKANG KEMIRI (Aleurites moluccana L. Willd)." Jurnal Sylva Scienteae 6, no. 6 (2023): 913. http://dx.doi.org/10.20527/jss.v6i6.11019.

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Candlenut shells have high lignin content (54.46%) so that they have potential to be used as fuel. In this study, adhesive used was resin which was used to increase the calorific value and accelerate the ignition process. This study aims to analyze the effect of variations in the addition of resin on the quality and rate of combustion based on the Indonesian National Standard (SNI). This study used a completely randomized design (CRD) method and in this study there was only one factor (Factor A = candlenut shell charcoal and adhesive), 5 treatments with 3 replications. The results of the resea

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Sinaga, Robert. "ANALISIS GAYA PEMECAHAN CANGKANG BIJI KEMIRI (Aleurites moluccana Willd.)." JURNAL AGROTEKNOSAINS 4, no. 1 (2020): 35. http://dx.doi.org/10.36764/ja.v4i1.304.

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Diperlukan pengetahuan dasar tentang besarnya energi dan gaya yang dibutuhkan pada proses pemecahan cangkang biji kemiri untuk mendapatkan daging biji kemiri bulat utuh. Penelitian dilakukan dengan metode menjatuhkan biji dari berbagai level ketinggian kemiri dan metode menjatuhkan beban mengenai biji kemiri. Hasil penelitian memperlihatkan bahwa dengan metode menjatuhkan biji kemiri dari berbagai level ketinggian diperoleh bahwa ketinggian optimum untuk memecahkan biji kemiri pada posisi intersep C dengan kadar air 6% adalah dari ketinggian 9 m dengan gaya sebesar 1,52 N. Sementara dengan met

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Siburian, Rikson, Kerista Tarigan, Yosia Gopas Oetama Manik, et al. "Converting Candlenut Shell Waste into Graphene for Electrode Applications." Processes 12, no. 8 (2024): 1544. http://dx.doi.org/10.3390/pr12081544.

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Graphene was synthesized through a two-step pyrolysis method using waste candlenut (Aleurites moluccanus) shells as the precursor. Cerium (Ce)/graphene composites were prepared via an impregnation technique. The resulting graphene and Ce/graphene were characterized using various analytical methods, including Scanning Electron Microscopy with Energy-Dispersive Spectroscopy (SEM-EDS), X-ray Diffraction (XRD), X-ray Photoelectron Spectroscopy (XPS), Transmission Electron Microscopy (TEM), Thermo Gravimetric Analysis (TGA), Fourier Transform Infrared (FTIR) spectroscopy, Cyclic Voltammetry (CV), a

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Anas, Muhammad, Mardiana Napirah, Wa Ode Sitti Ilmawati, et al. "The Utilization of Candlenut Shell-Based Activated Charcoal as the Electrode of Capacitive Deionization (CDI) for Seawater Desalination." Science and Technology Indonesia 9, no. 1 (2024): 86–93. http://dx.doi.org/10.26554/sti.2024.9.1.86-93.

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Activated carbon or activated charcoal is one of the best materials that can be used as a constituent of CDI electrodes, not only because of its various advantageous properties but also because it can be sourced abundantly from plant waste. This research aims to determine the effect of the thickness of the candlenut shell activated charcoal electrode and the particle size of the activated carbon used on the capacitive deionization (CDI) performance in seawater desalination. Candlenut shell-based activated charcoal is obtained in three stages, namely preparation, carbonization, and activation.

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Azhar Shiddiq, Muhammad. "Making Silica Gel by Utilizing Candlenut and Palm Oil Shell Ash." Eduvest - Journal Of Universal Studies 1, no. 3 (2021): 133–41. http://dx.doi.org/10.36418/edv.v1i3.24.

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Oil palm shell ash which is the result of boiler combustion inindustry has the potential to pollute the environment and have a badimpact in the long term so that special treatment is needed. Thisstudy aims to answer this problem by making silica gel fromhazelnut shell and oil palm shell ash with variations in the type ofacid and the ratio of ash to determine the effect of the type of acidand the ratio of the raw material in the form of ash to moisturecontent and water absorption of silica gel. Oil palm shell ash is usedas the main ingredient because it contains the most SiO2compounds compared

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Taslim, Dian Halimah Batubara, Seri Maulina, Iriany, and Okta Bani. "Preparation and Characterization of Sulfonated Carbon from Candlenut Shell as Catalyst for Hydrolysis of Cogon Grass Cellulose into Glucose." Asian Journal of Chemistry 32, no. 6 (2020): 1404–8. http://dx.doi.org/10.14233/ajchem.2020.22613.

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Cogon grass (Imperata cylindrica) is convertible into glucose by hydrolysis process, which usually requires a catalyst. A solid acid catalyst of sulfonated carbon was used in this work. This study aimed to observe the viability of candlenut shell as carbonaceous source in solid acid catalyst production and to characterize the sulfonated carbon. The carbonization was performed at 250-550 ºC for 4 h, while sulfonation was carried out at 100-180 ºC for 6 h. Sulfonated carbon was then characterized by H+ activity/acid density test, scanning electron microscopy-energy dispersive X-ray spectroscopy

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