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Journal articles on the topic 'Husk coconut'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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1

Bradley, Walter L., and Sean Conroy. "Using Agricultural Waste to Create More Environmentally Friendly and Affordable Products and Help Poor Coconut Farmers." E3S Web of Conferences 130 (2019): 01034. http://dx.doi.org/10.1051/e3sconf/201913001034.

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Each year, 64 000 000 000 coconuts are harvested around the world. The coconut water, coconut milk and/are coconut oil are produced from the coconut, leaving behind the coconut shells and the coconut husks, which are not well utilized. Exciting new ways to utilized coconut shell powder as function filler in engineering plastic such as polypropylene or polyethylene and to utilize coir fiber from the husk with polypropylene in non-woven fabric composites. These application demonstrate that the resulting environmental friendly composite materials have enhanced mechanical properties at a reduced c

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2

Abrahim, Bibi, and Oudho Homenauth. "Biomass energy potential of coconut varieties in Guyana." Agronomy Science and Biotechnology 5, no. 2 (2019): 97. http://dx.doi.org/10.33158/asb.2019v5i2p97.

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Guyana’s growing coconut industry has great potential for the generation of renewable energy using its waste materials currently discarded unsustainably. This study sought to investigate the energy potential of husks and shells of three common coconut varieties grown in Guyana. In this experiment, samples of coconut husks and shells were subjected to proximate, ultimate and calorific analyses. These analyses indicated that the energy value of the husks and shells of tall and dwarf coconuts were high, confirming the findings presented in previous studies. It was found that coconut shells have a

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3

Konduru, Sreenivas, Michael R. Evans, and Robert H. Stamps. "Coconut Husk and Processing Effects on Chemical and Physical Properties of Coconut Coir Dust." HortScience 34, no. 1 (1999): 88–90. http://dx.doi.org/10.21273/hortsci.34.1.88.

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Chemical properties of unprocessed coconut (Cocos nucifera L.) husks varied significantly among 11 sources tested. The pH and electrical conductivities were significantly different among husk sources and ranged from 5.9 to 6.9 and 1.2 to 2.8 mS·cm-1, respectively. The \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{empty} \begin{document} \(\mathrm{NH}_{4}^{+}\) \end{document}, \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{e

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BONNEAU, X., IRFAN HARYANTO, and TRIYONO KARSIWAN. "COCONUT HUSK ASH AS A FERTILIZER FOR COCONUT PALMS ON PEAT." Experimental Agriculture 46, no. 3 (2010): 401–14. http://dx.doi.org/10.1017/s0014479710000025.

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SUMMARYWe demonstrated experimentally that coconut husk ash is an excellent mineral fertilizer for immature coconut hybrids on developed peat, providing potassium (K) in particular. Coconut husk ash performed as well as potassium chloride (KCl) in a proportion of 2–2.5 to 1. At four years, 99% of coconut palms fertilized with husk ash, 92% of coconut palms fertilized with KCl and 26% of control palms were sexually differentiated. The cumulative yield in the first two harvesting years more than trebled between control palms (26 nuts per tree) and the palms fertilized with KCl (93 nuts per tree)

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Cabral, Mirelle Márcio Santos, Ana Karla de Souza Abud, Carlos Eduardo de Farias Silva, and Renata Maria Rosas Garcia Almeida. "Bioethanol production from coconut husk fiber." Ciência Rural 46, no. 10 (2016): 1872–77. http://dx.doi.org/10.1590/0103-8478cr20151331.

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ABSTRACT: Population growth and the increasing search for healthy foods have led to a major consumption of coconut water and, hence, to an environmental impact caused by the inappropriate disposal of green coconut husks. This lignocellulosic biomass has deserved attention of researchers concerning the seeking of new usages, as, for example, in renewable fuels production technologies. This study examines the potential of green coconut husk fibers as a feedstock for the production of bioethanol. The coconut fibers were pretreated through an alkaline method, hydrolyzed enzymatically and submitted

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6

Hoque, Md Emdadul, Fazlur Rashid, and Muhammad Aziz. "Gasification and Power Generation Characteristics of Rice Husk, Sawdust, and Coconut Shell Using a Fixed-Bed Downdraft Gasifier." Sustainability 13, no. 4 (2021): 2027. http://dx.doi.org/10.3390/su13042027.

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Synthetic gas generated from the gasification of biomass feedstocks is one of the clean and sustainable energy sources. In this work, a fixed-bed downdraft gasifier was used to perform the gasification on a lab-scale of rice husk, sawdust, and coconut shell. The aim of this work is to find and compare the synthetic gas generation characteristics and prospects of sawdust and coconut shell with rice husk. A temperature range of 650–900 °C was used to conduct gasification of these three biomass feedstocks. The feed rate of rice husk, sawdust, and coconut shell was 3–5 kg/h, while the airflow rate

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Bahari Mohd Yusoff, Saiful, Sinin Hamdan, Zalina Ibrahim, and Shah Jhihan Abdullah. "Coconut Coir Experimental Process for Producing an Alternative Block Toy Compound." International Journal of Engineering & Technology 7, no. 3.18 (2018): 64. http://dx.doi.org/10.14419/ijet.v7i3.18.16676.

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Currently, children’s block toys use solid wood, processed wood and Medium-Density Fiber board (MDF). MDF is a mixture of sawdust that is held together with wax, resin and formaldehyde and has been widely used to produce children’s toys. MDF are heavy and found to be health hazardous especially to children. This research focuses on the process of transforming the waste from the coconut coir/husk as an alternative to the current unsafe materials into toy block. The coconut coir/husk is creatively processed to produce children toy block that are soft, lightweight, cheap, harmless for children to

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Husin, Husni, Abubakar Abubakar, Suci Ramadhani, Cici Ferawati Br Sijabat, and Fikri Hasfita. "Coconut husk ash as heterogenous catalyst for biodiesel production from cerbera manghas seed oil." MATEC Web of Conferences 197 (2018): 09008. http://dx.doi.org/10.1051/matecconf/201819709008.

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The research on the use of coconut husk as a solid catalyst for transesterification reaction of Cerbera manghas oil into biodiesel has been done. The aim of this study is to investigate the performance of coconut husk ash for biodiesel production from Cerbera manghas seed oil. Coconut husk is prepared by burning in air to obtain potassium oxide as active phase. The coconut husk is analyzed by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The XRD spectrum shows that the peak characteristics of potassium oxide can be observed in the diffractogram. The particle size of the catal

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9

Yefrida, Yani Kasuma Putri, Richi Silvianti, Novita Lucia, Refilda, and Ndrawati. "PEMBUATAN ASAP CAIR DARI LIMBAH KAYU SUREN (Toona sureni), SABUT KELAPA DAN TEMPURUNG KELAPA (Cocos nucifera Linn)." Jurnal Riset Kimia 1, no. 2 (2015): 187. http://dx.doi.org/10.25077/jrk.v1i2.85.

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ABSTRACT The waste of red cedar wood, coconut husk and coconut shell has not been well used. They had been used as traditional cooking fuel and also direct food smoking process by community, but they still had several disadvantages. Those could be treated by the simple processing, they can produce new high economics product. In this research, the use of waste red cedar wood, coconut husk and coconut shell as resources of liquid smoke by pyrolization followed by condensation has investigated. Liquid smoke is condensates of smoke which have experienced storage and screening to separate the tar a

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10

Anjos, David Correia dos, Gabrielen De Maria Gomes Dias, Fernando Felipe Ferreyra Hernandez, and Josefa Diva Nogueira Diniz. "Regional Substrates of the Brazilian Northeast on Acclimatization and Development Morphological of Minirose." Journal of Agricultural Science 10, no. 6 (2018): 341. http://dx.doi.org/10.5539/jas.v10n6p341.

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The transition from heterotrophism to autotrophism in acclimatization is a delicate process for most species. The objective of this work was to evaluate combinations of regional substrates of the Brazilian Northeast in the acclimatization and morphological development of minirose (Rosa chinensis ‘Minima’) seedlings. The experiment was carried out in a greenhouse using seedlings with 30 days of in vitro culture. The treatments were constituted by: 1) dry coconut powder; 2) 75% dry coconut powder + 25% rice husk; 3) 50% dry coconut powder + 50% rice husk; 4) 75% dry coconut powder + 25% charcoal

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11

Anita Das Ravindranath and Saroi Bhosle. "BACTERIAL CONSORTIA FOR RETTING OF COCONUT HUSKS IN TANKS." CORD 15, no. 01 (1999): 34. http://dx.doi.org/10.37833/cord.v15i01.322.

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A bacterial consortium developed on coconut husk leachates could ret coconut husk steeped for retting in rap water in a period of three months. The quality of the coir fibre obtained was comparable to traditionally retted fibre. The consortia could also bestow a greater degree of softness to the mechanically extracted coir fibre. Coir extraction can therefore be practiced by supplying the consortia for retting of husk for production of fibre and enhance the commercial utilization of the husk in coconut growing regions of Asia.

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12

Lasmini, Sri Anjar, Rosmini Rosmini, Irwan Lakani, Nur Hayati, and Burhanuddin Haji Nasir. "Increasing Shallot Production in Marginal Land Using Mulches and Coconut Husk Fertilizer." International Journal of Design & Nature and Ecodynamics 16, no. 1 (2021): 105–10. http://dx.doi.org/10.18280/ijdne.160114.

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The study aimed to obtain the type of mulch and the doses of liquid organic fertilizer proper waste coconut husks in modifying microclimate around crops to obtain the maximum yield of shallot in the dryland. The research was used a factorial randomized complete block design consisting of two factors. The first factor consisting mulches, M1 = silver-black plastic mulch and M2 = straw mulch. The dose of liquid organic fertilizer from coconut husks was the second factor. It is consisting of S0 = without fertilizer, S1 = 500 L ha-1, S2 = 750 L ha-1 and S3 = 1000 L ha-1. The results showed that the

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Engr. Eutiquio E. Sudaria. "VILLAGE LEVEL ENERGY UTILIZATION OF COPRA PRODUCTION BY PRODUCTS IN EASTERN VISAYAS, PHILIPPINES." CORD 5, no. 02 (1989): 34. http://dx.doi.org/10.37833/cord.v5i02.231.

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Coconut is one of the important crops of the farmers in Eastern Visayas. Forty‑two percent of the agricultural land of Eastern Visayas is planted to coconut. Coconut farmers are earning money mainly from the main product of coconut which is copra. The price of copra is fluctuating. Hence, there is a need for the farmers to utilize the by‑products of copra production to augment their income. The by‑products depend on the copra making practice of the farmers. For the direct splitting method where the nut with husk is split directly with an axe, combined husk with shell locally known as "binuonga

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14

A. N. Ravindranath and U. S. Sarma. "BIOINOCULANTS FOR COIR RETTING." CORD 11, no. 01 (1995): 34. http://dx.doi.org/10.37833/cord.v11i01.287.

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The mesocarp of the coconut or its husk is the source of coir. Coir fibre has several potential end uses like for the manufacture of various coir products predominantly coir floor coverings, yarn, rope, rubberized coir and latest as geotextile material. Coir is extracted from the coconut husk which is subjected to steeping in saline backwaters for six to nine months. This prolonged period of steeping is disadvantageous on economic considerations and also deprives the coir industry of sufficient raw material for the product sector. The treatment of selected strains of phenol degrading bacteri

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15

Jincy P.J., Anita Das Ravindranath2, and U.S. Sarma. "Ecofriendly Organosolv Process for Pulping of Tender Coconut Fibre." CORD 31, no. 1 (2015): 11. http://dx.doi.org/10.37833/cord.v31i1.64.

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The huge biomass generated by vendors of tender coconut is the broken husks refuse dumped along roads and highways in Kerala. These dumps become breeding grounds for diseased causing germs and carrier mosquitoes causing threat to human life. In order to avoid pollution and find use of the rejected biomass of tender husks, a study was carried out on pulping of tender coconut husk fibre which could be used for papermaking. The optimum pulping condition, the quality of the pulp and its yield was evaluated using different variables like time and temperature. It was observed that the organosolv pro

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16

Musafira, Dzulkifli, Hikmah, and Nizar. "Pengaruh Penambahan Abu Sekam Padi Terhadap Peningkatan Kualitas Minyak Mandar." KOVALEN: Jurnal Riset Kimia 7, no. 1 (2021): 83–88. http://dx.doi.org/10.22487/kovalen.2021.v7.i1.15494.

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Mandar coconut oil is one of the coconut processed products, which has become superior product in West Sulawesi especially in Majene regency. Unfortunately, the Mandar coconut oil can’t be used more than a month because the water content and free fatty acid content of the oil have exceeded the maximum standard of SNI, so it can adversely affect on health. On the other hand, the existence of rice husk in Indonesia itself especially in West Sulawesi has not received attention and is limited to a few needs such as for ash or livestock feed, and the rest is thrown away. This research aims to deter

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17

Bolivar-Telleria, Maria, Cárita Turbay, Luiza Favarato, et al. "Second-Generation Bioethanol from Coconut Husk." BioMed Research International 2018 (September 27, 2018): 1–20. http://dx.doi.org/10.1155/2018/4916497.

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Coconut palm (Cocos nucifera) is an important commercial crop in many tropical countries, but its industry generates large amounts of residue. One way to address this problem is to use this residue, coconut husk, to produce second-generation (2G) ethanol. The aim of this review is to describe the methods that have been used to produce bioethanol from coconut husk and to suggest ways to improve different steps of the process. The analysis performed in this review determined that alkaline pretreatment is the best choice for its delignification potential. It was also observed that although most r

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18

Mascariñas, Lenrah Rinna A., Romnick M. Ureta, Siegfred M. Mejico, and Czarina D. Servando. "Elaboration and Characterization of Thermal Insulating Material Based on the Synergy of Natural Coconut Husk and Disposable Diaper Pads Fibers." International Journal of Engineering and Technologies 17 (May 2019): 21–32. http://dx.doi.org/10.18052/www.scipress.com/ijet.17.21.

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Materials based on highly porous fibers are now becoming increasingly popular as thermal insulators to fight severely increasing temperatures due to climate change (Khedari, et al., 2004). In this study, fibers from solid waste materials like coconut husk and absorbent pads of used disposable diapers were evaluated for their synergistic effect as thermal insulating material. Dried coconut husk fibers and cleaned used disposable diapers were heated at 1500C-3000C for 2 hours and then molded to make pads. Scanning Electron Microscopy and HD digital microscope were used in the analytical imaging

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Qistina, Idzni, Dede Sukandar, and Trilaksono Trilaksono. "Kajian Kualitas Briket Biomassa dari Sekam Padi dan Tempurung Kelapa." Jurnal Kimia VALENSI 2, no. 2 (2016): 136–42. http://dx.doi.org/10.15408/jkv.v2i2.4054.

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Abstrak Biomassa seperti sekam padi dan tempurung kelapa dapat menjadi sumber bahan baku briket sebagai salah satu energi alternatif pengganti bahan bakar fosil (minyak bumi).Penelitian ini bertujuan untuk mengkaji kualitas briket sekam padi dan tempurung kelapa melalui proses semi-karbonisasi pada temperatur antara 50-125 0C dengan durasi waktu proses 50-120 menit. Proses pembuatan briket meliputiproses semi-karbonisasi, pencampuran biomassa dengan perekat, pencetakan, pengeringan, dan uji kualitas briket. Pengujian kualitas briket meliputi analisis briket yaitu nilai kalor, kadar air, fixed

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Webliana B, Kornelia, Diah Permata Sari, and Solikatun Solikatun. "UPAYA PENANGGULANGAN EROSI DAN TANAH LONGSOR MENGGUNAKAN LIMBAH SABUT KELAPA DI DUSUN KLUI, DESA MALAKA." SELAPARANG Jurnal Pengabdian Masyarakat Berkemajuan 4, no. 1 (2020): 411. http://dx.doi.org/10.31764/jpmb.v4i1.2979.

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ABSTRAKSebagian besar wilayah Dusun Klui, Desa Malaka memiliki topografi wilayah yang berbukit untuk areal perkebunan dan topografi datar untuk pemukiman. Salah satu potensi perkebunan yang cukup melimpah yang dimiliki Desa Malaka adalah kelapa. Sejauh ini pemanfaatan kelapa masih terpaku pada hasil primer, yaitu air dan daging kelapa serta tempurung kelapa untuk arang. Limbah sabut kelapa belum dimanfaatkan, padahal memiliki nilai ekonomi dan ekologi yang dapat membantu untuk meningkatkan pendapatan masyarakat dan keberlanjutan dari ekosistem. Salah satu bentuk pemanfaatan limbah sabut kelapa

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Saha, KK, MM Hossain, MR Ali, and MM Alam. "Feasibility study of coconut coir dust briquette." Journal of the Bangladesh Agricultural University 12, no. 2 (2016): 369–76. http://dx.doi.org/10.3329/jbau.v12i2.28697.

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This research work was conducted on economic feasibility of briquette made of coconut coir dust mixed with rice husk at different ratio. This study sought to assess the physical properties and calorific value of briquette and to establish the demand and willingness of potential users to substitute rice husk briquette and firewood. It was observed that briquette made from mixed coconut coir dust and rice husk at the ratio of 1:2 and 1:1 had desirable properties as compared to rice husk briquette. The percent of shatter indices, density, percent of resistance to water penetration, degree of dens

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22

Islam, Md Shahidul, and Tadashi Ito. "257 Characterization of the Physico-chemical Properties of and Plant Response to Ecologically Sound Organic Substrates in Relation to Rockwool." HortScience 35, no. 3 (2000): 435D—435. http://dx.doi.org/10.21273/hortsci.35.3.435d.

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Characterization of physico-chemical properties of ecologically sound unprocessed coconut (Cocos nucifera L.) coir and carbonated rice husk in relation to rockwool were investigated to examine the crop performance along with productivity of tomatoes (Lycopersicon esculentum Mill.). In all substrates, the water-filled pore space and water-holding capacity were larger and air-filled pore space was smaller. Bulk densities, water-holding capacity, and water-filled, air-filled, and total pore spaces were lower in carbonated rice husk than coconut coir and rockwool. These values in coconut coir and

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Bhaskar, Jitendra, and Satyendra Kumar. "Effect of coconut shell particles, coir fiber and husk powder on static & dynamic characteristic of polymer composites." INTERNATIONAL JOURNAL OF ADVANCED PRODUCTION AND INDUSTRIAL ENGINEERING 4, no. 1 (2019): 19–24. http://dx.doi.org/10.35121/ijapie201901134.

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Polymer composites based on agriculture waste or wood industry waste are becoming popular due to better utilization of natural wastes and availability of low cost material for structural and dynamic applications. Availability of coconut shell, coir fiber and husk powder have attracted the development and characterization of coconut reinforced wood plastic composites. Coconut shell particles have capability of introducing the behaviour of particulate composites and coir fibers have the capability of long fibers. But chopping of coir fiber into small sizes and crushing coconut shell into various

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Prasad, P. V. Devi, P. Tai Chun, and S. D. P. Potluri. "379 Substrate and Nutrient Variations for Optimization of Commercial Cultivation of Anthurium andreanum var.Honduras." HortScience 35, no. 3 (2000): 458A—458. http://dx.doi.org/10.21273/hortsci.35.3.458a.

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The Production of the cut flowers of Anthurium andreanum was in decline after Hurricane Gilbert in 1988 and the subsequent wide-spread problem of bacterial blight in Jamaica and the Caribbean. New methods of cultivation and new varieties were necessary for the development of the industry. In addition, with the destruction of coconut trees, the supply of commonly used coconut husk became difficult. The present work has focused on the development of alternative media to coconut husk and on the development of cultural and fertilizer practices that increase plant productivity and reduce incidence

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Li, Qiu Jun, Rui Jie Zhang, Ying Hui Wang, and Da Rong Li. "Using Regional Characteristic Amendments to Modify Heavy Metal Contaminated Soil of Guangxi, South China." Applied Mechanics and Materials 675-677 (October 2014): 654–57. http://dx.doi.org/10.4028/www.scientific.net/amm.675-677.654.

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In this study we compared the efficiency of four kinds of amendments (silkworm excrement, coconut husk, red mud, sepiolite) and their mixtures to immobilize the heavy metals present in a contaminated acidic soil (Pb:420 mg ·kg−1; Zn :334 mg· kg−1) and to influence several enzymatic activities. The results showed that, silkworm excrement, coconut husk and their mixtures, which had high pH and/or high content of organic matter, reduced exchangeable Pb in the soil by 18% to 46%, and reduced available Zn by 24% to 35%, which was more efficacious than single sepiolite. The complex of silkworm excre

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Rusiani, Ellisa, Mahdiannoor Mahdiannoor, and Farida Adriani. "Respon Pertumbuhan Dan Hasil Tanaman Kacang Tanah terhadap Pemberian Berbagai Dosis POC Sabut Kelapa dan Batang Pisang di Lahan Rawa Lebak." RAWA SAINS : JURNAL SAINS STIPER AMUNTAI 8, no. 2 (2018): 659–66. http://dx.doi.org/10.36589/rs.v8i2.89.

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Peanuts is a herbs plants, its flowers like a butterfly and its pods at the underground. Production decrease of peanuts at the Hulu Sungai Utara Regency because chemical fertilizers are used excessively. It causes the soil isn’t loose, hard, and sour. Liquid organic fertilizer (LOF) of coconut husk and banana trunk have many nutrients like nitrogen, phosphorus, and potassium. This study aims to (i) determine the growth and yield response of peanut to the application liquid organic fertilizer of coconut husk and banana trunk on lebak wetlands, (ii) determine the best dosage liquid organic ferti

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Abdullah, Nur Athirah, Muhammad Hanif Sainorudin, Mohd Saiful Asmal Rani, Masita Mohammad, Nurul Huda Abd Kadir, and Nilofar Asim. "Structural, morphological and thermal properties of microcrystalline cellulose extracted from coconut husk fiber." Polimery 66, no. 3 (2021): 187–92. http://dx.doi.org/10.14314/polimery.2021.3.4.

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In this work, chemically treated microcrystalline cellulose (MCC-C) was extracted from coconut husk fiber. In order to extract hemicellulose, the sieved coconut husk fiber was treated with sodium hydroxide (NaOH) for dewaxing and acidified using sodium chlorite (NaClO2) to extract the residual lignin (bleaching process). The obtained lignin-free cellulose was then treated with potassium hydroxide (KOH). The characterizations used to equate the MCC-C with commercial grade microcrystalline cellulose (MCC) are solubility test, X-ray diffractogram (XRD), thermogravimetric analysis (TGA) and scanni

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Pomantow, Frederik Joseph, Arthur Pinaria, and Wenny Tilaar. "KERAGAMAN FENOTIPE KELAPA DALAM DI KECAMATAN TENGA KABUPATEN MINAHASA SELATAN." AGRI-SOSIOEKONOMI 12, no. 1A (2016): 87. http://dx.doi.org/10.35791/agrsosek.12.1a.2016.11541.

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North Sulawesi province is known as one of the biggest coconut production in Indonesia. South Minahasa Regency is the biggest coconut production in the North Sulawesi Province. District of Tenga is one of major coconut production in South Minahasa Regency. Therefore, effort should be conducted in order to maintain the coconut production in District of Tenga. One effort to maintain coconut production in District of Tenga is to cultivate coconut varieties which can result high yield. High yield production of coconut can be resulted through plant breeding. In plant breeding, variation is paramete

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MK Raghunadh, Yakkala, Neeluri Suresh, Mohd Mujtaba Ahmed, Konduru Ashok, and A. Indra reddy. "Investigation of Energy Values in Tender Coconut by Various Methods." International Journal of Engineering & Technology 7, no. 4.5 (2018): 217. http://dx.doi.org/10.14419/ijet.v7i4.5.20049.

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Even in 2017 many rural areas the daily food preparation works on conventional furnaces and peat coal as the fuel. It releases lot of smoke and harmful gases. The village blacksmith work also depends on peat coal. One of the alternative fuels for conventional furnace is tender coconut fuel. The tender coconut having lot of mineral values in addition to that it having lot of fuel values. The availability of tender coconut is round the year. In most of the cases these coconuts after drinking simply dumping in the municipal waste or dumping at out cuts of the cities. By making simple process we c

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Anuar, Muhammad Fahmi, Yap Wing Fen, Mohd Hafiz Mohd Zaid, Khamirul Amin Matori, and Rahayu Emilia Mohamed Khaidir. "The Physical and Optical Studies of Crystalline Silica Derived from the Green Synthesis of Coconut Husk Ash." Applied Sciences 10, no. 6 (2020): 2128. http://dx.doi.org/10.3390/app10062128.

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The green synthesis of silica has been extensively explored over the last few decades, as silica compounds found in commercial products can cause negative effects on human health. This calls for alternative ways to produce silica that are safer, cheaper and more environmentally friendly. Some of the agricultural wastes proven to contain silica include rice husk, sugarcane bagasse, coconut shells and coconut husk. This paper describes the synthesis of silica from coconut husk waste, and its physical and optical properties for potential utilization in optical applications. Coconut husk was subje

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Yogish, C. K., S. Pradeep, B. Kuldeep, K. P. Ravikumar, and Rao R. Raghavendra. "Processing and Evaluation of Mechanical Properties of Coconut Coir and Rice Husk Reinforced Natural Hybrid Composites." Applied Mechanics and Materials 895 (November 2019): 176–80. http://dx.doi.org/10.4028/www.scientific.net/amm.895.176.

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Over the last decades composite materials, plastics and ceramics have been the dominant emerging materials. The volume and number of applications of composite materials have grown steadily, penetrating and conquering new markets relentlessly. So everybody is concentrating on new materials which will be strong enough, less weight, recyclable with reduced cost. Hence all the researchers are concentrated on the composite materials which have all the above properties. The present work is concentrated on coconut coir fiber and Rice husk reinforced polyester hybrid composites. The composites specime

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De Oliveira, Jéssica Costa, and Adalberto Brito De Novaes. "MORPHOLOGICAL AND RADICAL PARAMETERS ASSOCIATED WITH THE SEEDLINGS QUALITY OF Anadenanthera peregrina (L.) Speg. IN DIFFERENT SUBSTRATES." FLORESTA 50, no. 3 (2020): 1467. http://dx.doi.org/10.5380/rf.v50i3.61577.

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Morphological and Radical Parameters Associated with the Seedlings Quality of Anadenanthera peregrina (L.) Speg.in Different Substrates. In this research, we evaluated the effects of different substrate formulations on the quality of angico-vermelho seedlings (Anadenanthera peregrina (L.) Speg). The tested substrates corresponded to eight different formulations: Bioplant®, Carolina Soil, Coffee husk, Coconut fiber and Vermiculite. In the nursery phase, the following were evaluated: height of the aerial part (H); neck diameter (D); fresh and dry biomass of the aerial parts and radical system; d

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Zhuo, Guang Xiang, Zhong Dong Wang, and Yan Zhang. "Research on Biological Materials for Artificial Propagation of Bird Nest Fern Spore." Advanced Materials Research 955-959 (June 2014): 248–52. http://dx.doi.org/10.4028/www.scientific.net/amr.955-959.248.

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Bird Nest Fern is a perennial evergreen large epiphytic or herb. Under natural conditions, most nest fern spores lack of suitable conditions for germination, and because of certain conditions are not met and stop growth. the people digging improperly on the Nest Fern ,the Nest Fern resources have been severely damaged, in order to protect the Nest Fern natural resources .we should strengthen the cultivation of nest fern. This study were different amount of coconut husk, different concentrations of 6-BA and different concentrations of GA3 nest fern spore germination test, results are as follows

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S.D, Andanappa, Suprit B.N, Sridhar G, Virupaxagouda F.K, Prathiba B.G, and S. C. Sajjan. "Electric Coconut Husk Remover Design and Development." Journals of Mechatronics Machine Design and Manufacturing 2, no. 2 (2020): 18–25. http://dx.doi.org/10.46610/jmmdm.2020.v02i02.004.

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Váquez-Torres, H., G. Canché-Escamilla, and C. A. Cruz-Ramos. "Coconut husk lignin. I. Extraction and characterization." Journal of Applied Polymer Science 45, no. 4 (1992): 633–44. http://dx.doi.org/10.1002/app.1992.070450410.

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Nazareth, S., and S. Mavinkurve. "Labotory studies on retting of coconut husk." International Biodeterioration 23, no. 6 (1987): 343–55. http://dx.doi.org/10.1016/0265-3036(87)90023-6.

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Bello, Olugbenga Solomon, Mustapha Abiola Moshood, Blessing Adenike Ewetumo, and Inioluwa Christianah Afolabi. "Ibuprofen removal using coconut husk activated Biomass." Chemical Data Collections 29 (October 2020): 100533. http://dx.doi.org/10.1016/j.cdc.2020.100533.

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Sooksaen, Pat, Vimon Boodpha, Porntipa Janrawang, and Peemmawat Songkasupa. "Fabrication of Lightweight Concrete Composites Using Natural Fibers in Thailand." Key Engineering Materials 765 (March 2018): 305–8. http://dx.doi.org/10.4028/www.scientific.net/kem.765.305.

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This study developed lightweight concretes by using three different natural fibers from agricultural industries in Thailand which were corn husk fiber, bagasse fiber and coconut husk fiber. Low cost lightweight concretes in this study were fabricated using Ordinary Portland Cement type-1, coal fly ash, un-treated natural fibers and NaOH-treated natural fibers. The specimens were tested for bulk density, compressive strength, microstructure and deterioration. The result showed that the strongest concrete composite was obtained using 30 vol% fine coconut husk fiber in the concrete composition. T

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Sulo, Laras mariance, Khairuddin, and Ruslan. "KEMAMPUAN ADSORBSI ABU SEKAM PADI TERHADAP AIR DAN ASAM LEMAK BEBAS VIRGIN COCONUT OIL (VCO) DALAM KOLOM ADSORBSI." KOVALEN: Jurnal Riset Kimia 5, no. 2 (2019): 121–31. http://dx.doi.org/10.22487/kovalen.2019.v5.i2.10115.

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A research has been conducted on the adsorption ability of rice husk ash to water content and free fatty acid of virgin coconut oil (VCO) in the adsorption column. The objective of this research is to get the ratio of coarse VCO to rice husk ash adsorbent in the column that produces VCO with water content, free fatty acid that meets SNI and yields VCO yield not less than 80%. This study used a completely randomized factorial design (CRF design) with the effect of the amount of rice husk ash adsorbent (5g, 10g, 15g, 20g, 25g) in in columns 2.5 and 3 inches. The result of research on column 2.5

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Husna, Takaijudin, Ab Ghani Aminuddin, and Zakaria Nor Azazi. "The Impact of Stormwater Runoff on Nutrient Removal in Sand Columns." Applied Mechanics and Materials 567 (June 2014): 155–60. http://dx.doi.org/10.4028/www.scientific.net/amm.567.155.

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Mulch layer also assists filtration of pollutants mainly larger sediment particles in bioretention. The objective is to evaluate the efficiency of bioretention facilities in removing nitrogen and phosphorus by varying the types of mulch layers through sand column. 200 mm filter media cells consisted of river sand with composited fine and coarse sand. Three types of mulch layer wood chip, tea waste and coconut husk were applied at the top of the sand layer at 50 mm depth. Runoff was monitored and analyzed to measure nutrient concentration within six hours. Woodchip showed the highest capability

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Ihwan, Khairul, and Roberta Zulfhi Surya. "Analisa Potensi Pengembangan Energi Alternative Berbasis Limbah Kelapa Di Kabupaten Indragiri Hilir." JUTI UNISI 3, no. 2 (2019): 27–31. http://dx.doi.org/10.32520/juti.v3i2.840.

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Indragiri Hilir Regency has the largest coconut plantation in Indonesia with coconut production reaching 390,924.28 tons per year and land area of 295,380.24 hectares (BPS Inhil Regency, 2012). According to Palunkun in Prananta (2004) the composition of coconuts consists of coir 35%, coconut shell 12%, fruit flesh 28% coconut water 25%. So the number of coir and coconut shell that has been burned is 47% of the production of coconut grains. So that coir and shell waste is 643,070,441 tons of waste. Based on research that has been done in the area of extranmigration in Pelangiran sub-distric

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Sankar, A., S. Ananth Kumar, and S. Rameshkumar. "Synergistic effect on inhibiton efficiency of coconut husk fibre essence in controlling corrosion of mild steel in neutral medium." Bangladesh Journal of Scientific and Industrial Research 49, no. 3 (2015): 185–88. http://dx.doi.org/10.3329/bjsir.v49i3.22133.

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The corrosion inhibition nature of coconut husk essence for the corrosion of mild steel in tank water (neutral medium) was investigated using weight loss, electrochemical impedance and Potentiodynamic Polarization methods. The results revealed that coconut husk essence acts as a corrosion inhibitor in well water. The inhibition efficiency increased with an increase in inhibitor concentration. The inhibition is attributed to adsorption of the inhibitor on the steel surface. DOI: http://dx.doi.org/10.3329/bjsir.v49i3.22133 Bangladesh J. Sci. Ind. Res. 49(3), 185-188, 2014

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Riskirana, Rila. "EFEKTIFITAS ARANG SEKAM PADI DAN AMPAS KELAPA KERING DALAM MENURUNKAN KADAR TIMBAL PADA AIR SUMUR." JURNAL MEDIA KESEHATAN 7, no. 1 (2018): 37–43. http://dx.doi.org/10.33088/jmk.v7i1.221.

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Lead (Pb) the heavy metals that are dangerous to humans as causing neurological disorders, impaired kidney function, and disorders of the reproductive system. Rice husk charcoal and dried coconut pulp has a porous surface structure so that it has considerable potential as an absorbent. This study aims to determine paddy rice husk and coconut pulp dried in lowering levels of Lead (Pb) in water wells dug. This is true experiments research by using Pre Post Test. This study did 2 treatments that used rice husk rice and dried coconut pulp in the ratio 25 g: 75 g and 75 g: 25 g with 5 repetitions.

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Riskirana, Rila. "EFEKTIFITAS ARANG SEKAM PADI DAN AMPAS KELAPA KERING DALAM MENURUNKAN KADAR TIMBAL PADA AIR SUMUR." JURNAL MEDIA KESEHATAN 7, no. 1 (2018): 37–43. http://dx.doi.org/10.33088/jmk.v7i1.221.

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Lead (Pb) the heavy metals that are dangerous to humans as causing neurological disorders, impaired kidney function, and disorders of the reproductive system. Rice husk charcoal and dried coconut pulp has a porous surface structure so that it has considerable potential as an absorbent. This study aims to determine paddy rice husk and coconut pulp dried in lowering levels of Lead (Pb) in water wells dug. This is true experiments research by using Pre Post Test. This study did 2 treatments that used rice husk rice and dried coconut pulp in the ratio 25 g: 75 g and 75 g: 25 g with 5 repetitions.

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Millicent I. Secretaria and Rogaciano Z. Margate. "Integrated Soil Fertility Management on Local Coconut Hybrid in a Farmer- Managed Coconut-Based Cropping System." CORD 17, no. 01 (2001): 34. http://dx.doi.org/10.37833/cord.v17i01.346.

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An integrated soil fertility management or ISFM on-farm trial was conducted at Barangay Tawan-tawan, Baguio District, Davao City in 1993 to 1999 to know the effects of organic and inorganic fertilizers on the vegetative growth, nutrient status and yield performance of intercropped Catigan dwarf x Laguna tall (CATD x LAGT) coconut hybrid better known as PCA 15–1 or CATLAG.  Vegetative growth of CATD x LAGT palms revealed that ammonium sulfate + NaCl and goat manure + NaCl produced significantly bigger girth size on the first year and more number of leaves and living fronds on the se

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N.H, Harmiwati, Khairul Akli, Rita Youfa, Maria Isfus Senjawati, and Miftahul Khairati. "Biosorption of Cu(II) Metal ions in Fixed Column by using Coconut Husk Waste." Oriental Journal of Chemistry 34, no. 4 (2018): 2192–96. http://dx.doi.org/10.13005/ojc/3404062.

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A new technology has been currently developed for the removal of heavy metal waste in water, called biosorption. Biosorption technology has been widely used to remove heavy metals from liquid waste. The potential biomass which can be used as bio sorbent was activated coconut husk waste. By using the continuous flow method and activated coconut husk as bio sorbent, the obtained optimum flow rate and bed height of bio sorbent were 2 mL/min and 0.1 g with adsorption capacity of 188.322 mg/g.

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R, Krishnan, Mahalingam P.P, Samuel Ratna kumar.P.S, and Babu T. "Design and fabrication of an economical coconut Dehusking machine." International Journal of Engineering & Technology 7, no. 2.8 (2018): 588. http://dx.doi.org/10.14419/ijet.v7i2.8.10526.

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A coconut is the fruit of a coconut palm belonging to arecaceae family and it is used by one third of the population in the world. The coconut needs to be dehusked before it could be utilized for any of the purpose it serves. The husk of the coconut can be removed by various techniques. Manual dehusking is the conventional process followed widely among farmers. The labour cost incurred and the time consumed can be considerably decreased by increasing the usage of machines. All the coconut growers cannot afford to own an automated machines used in developed countries because of high cost. This

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Farias, Diego Bispo dos Santos, Maria Iderlane de Freitas, Ariovaldo Antonio Tadeu Lucas, and Maria Isidória Silva Gonzaga. "Biochar and its impact on soil properties, growth and yield of okra plants." COLLOQUIUM AGRARIAE 16, no. 2 (2020): 29–39. http://dx.doi.org/10.5747/ca.2020.v16.n2.a356.

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Applying biochar to the soil can mitigate problems that hinder agricultural production, such as water scarcity and low fertility soils. The objective of this research was to evaluate the impact of dry coconut husk biochar and sewage sludge combinations on soil chemical characteristics, growth, yield and water productivity of okra crop. The experiment was arranged in randomized blocks, with 6 treatments (CHB+BSS -coconut husk biochar + biochar of sewage sludge, CHB+RSS-coconut husk biochar + raw sewage sludge, BSS+RSS -biochar of sewage sludge + raw sewage sludge, CHB -coconut husk biochar, BSS

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Demattê, Maria Esmeralda Soares Payão, and Ula Vidal. "Cultivo de Tillandsia geminiflora Brongn. em diferentes substratos." Ornamental Horticulture 21, no. 1 (2015): 119. http://dx.doi.org/10.14295/rbho.v21i1.784.

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Tillandsia geminiflora is little grown in Brazil, but has good potential for exportation. Tree fern fiber was used in mixtures for bromeliad cultivation until the prohibition of this practice. The replacement of tree fern by other materials with similar properties has been researched. Thus, and the aim of this study was to compare the development of T. geminiflora grown in media with different vegetal components (tree fern, coconut husk and pinus bark). Plant development was evaluated for about two years. Pure coconut bark husk gave the best results.

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Sitorus, Saibun. "Pemanfaatan Abu Sabut Kelapa sebagai Katalis Basa dalam Pembuatan Biodiesel dari Minyak Biji Jarak Pagar (Jatropha curcas. L)." Jurnal Riset Teknologi Industri 9, no. 1 (2016): 50–55. http://dx.doi.org/10.26578/jrti.v9i1.1703.

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The research about utilization ash of coconut husk as source of base catalyst in aplication for reaction of transesterification from Jatropha curcas oil has been researched. Content of base compound in coconut husk ash was analyzed by AAS and acidy alkalimetry. The base catalyst was extracted using methanol, for transesterification reaction of Jatropha curcas oil. This method of biodiesel production by transesterification process used coconut husk ash catalyst by weight variation as much as 2%, 4%, 6%, 8% and 10% (w/w). Analysis of the quality of biodiesel is done with quality parameters acid

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