Relevant bibliographies by topics / Sulfonated carbon / Journal articles
To see the other types of publications on this topic, follow the link: Sulfonated carbon.

Journal articles on the topic 'Sulfonated carbon'

Author: Grafiati
Published: 4 June 2021
Last updated: 12 February 2022

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 journal articles for your research on the topic 'Sulfonated carbon.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse journal articles on a wide variety of disciplines and organise your bibliography correctly.

1

Anggoro, Didi Dwi, Purwanto Purwanto, and Rispiandi Rispiandi. "HIDROLISIS SELULOSA MENJADI GLUKOSA DENGAN KATALIS HETEROGEN ARANG AKTIF TERSULFONASI." Reaktor 15, no. 2 (October 22, 2014): 126. http://dx.doi.org/10.14710/reaktor.15.2.126-131.

Full text
Abstract:
CELLULOCE HYDROLYSIS TO GLUCOSE USING ACTIVE CARBON SULPHONATED HETEROGENOUS CATALYST. Enzimatic process and acid hydrolysis process are common process for conversion of cellulose to glucose. Unfornately, the two processes are expensive process and korosif process. Hence, the new process, that use sulfonaned active carbon catalyst is important to developing. The sulfonated active carbon is made from carbonated coconut sheel under temperature at 350oC. After carbonation, sulfonated active carbon soaked under sulphate acid 96% at 150oC until 15 hours. The result is then washed and dried, and tested catalyst characteristics in the form of H+ capacity, pore size catalysts by used BET surface area, functional groups by used FTIR, and morphology catalyst structure by used SEM. Catalyst performance was tested in an autoclave reactor through a hydrothermal process with difference of the catalyst amount and temperature. The results showed that the test characteristics of H+ capacity is 2.95 mmol/g, the pore size is 29 m2/gr. FTIR analyze showed that the presence of sulfonate groups read at a wavelength of vibration 1750 cm-1 and 1379 cm-1. By SEM analyze showed that the morphological structure of sulfonated active carbon is more open than other catalyst. By testing catalyst, the highest conversion of glucose is 87.2 %. Keywords: cellulose; glucose; sulfonate active carbon; thatch Abstrak Teknologi yang sudah digunakan dalam mengubah selulosa menjadi glukosa adalah dengan proses enzimatik dan hidrolisis asam. Kedua teknologi tersebut masih memiliki kendala teknis, yaitu harga enzim yang mahal, proses yang korosif dan menimbulkan limbah, sehingga diperlukan pengembangan teknologi baru salah satu diantaranya yaitu dengan metode katalis heterogen berupa karbon aktif tersulfonasi. Karbon aktif tersulfonasi ini dibuat dari tempurung kelapa yang dikarbonisasi pada temperatur 350oC, selanjutnya direndam dalam asam sulfat 96% pada temperatur 150oC selama 15 jam. Hasilnya kemudian dicuci dan dikeringkan, dilakukan uji karakteristik dan performance (kinerja ) katalis berupa kapasitas H+, ukuran pori katalis dengan BET, uji gugus fungsi dengan FTIR, dan uji struktur marfologi katalis dengan SEM. Kinerja katalis diuji dalam reaktor autoclave melalui proses hidrotermal dengan mevariasikan jumlah katalis, dan variasi temperatur. Hasil penelitian menunjukkan untuk uji karakteristik kapasitas H+ sebesar 2,95 mmol/gr, untuk uji BET ukuran pori 29 m2/gr , untuk uji FTIR keberadaan gugus sulfonat terbaca pada vibrasi panjang gelombang 1750 cm-1 dan 1379 cm-1 , pada uji SEM struktur morfologi katalis yang lebih terbuka pada karbon aktif setelah proses sulfonasi. Kinerja katalis konversi tertinggi selulosa menjadi glukosa mencapai 87,2% pada jumlah alang-alang 2 gr, jumlah katalis 2 gr, dan temperatur 170oC selama 8 jam. Kata kunci : selulosa; glukosa; karbon aktif tersulfonasi; alang-alang
APA, Harvard, Vancouver, ISO, and other styles
2

Hu, Xiaotian, Lie Chen, Licheng Tan, Ting Ji, Yong Zhang, Lin Zhang, Di Zhang, and Yiwang Chen. "In situ polymerization of ethylenedioxythiophene from sulfonated carbon nanotube templates: toward high efficiency ITO-free solar cells." Journal of Materials Chemistry A 4, no. 17 (2016): 6645–52. http://dx.doi.org/10.1039/c6ta00287k.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Shi, Chenliang, Ling Lin, Yukun Yang, Wenjia Luo, Maoqing Deng, and Yujie Wu. "Synthesis of aminated polystyrene and its self-assembly with nanoparticles at oil/water interface." e-Polymers 20, no. 1 (June 17, 2020): 317–27. http://dx.doi.org/10.1515/epoly-2020-0038.

Full text
Abstract:
AbstractThe influence of density of amino groups, nanoparticles dimension and pH on the interaction between end-functionalized polymers and nanoparticles was extensively investigated in this study. PS–NH2 and H2N–PS–NH2 were prepared using reversible addition–fragmentation chain transfer polymerization and atom transfer radical polymerization. Zero-dimensional carbon dots with sulfonate groups, one-dimensional cellulose nanocrystals with sulfate groups and two-dimensional graphene with sulfonate groups in the aqueous phase were added into the toluene phase containing the aminated PS. The results indicate that aminated PS exhibited the strongest interfacial activity after compounding with sulfonated nanoparticles at a pH of 3. PS ended with two amino groups performed better in reducing the water/toluene interfacial tension than PS ended with only one amino group. The dimension of sulfonated nanoparticles also contributed significantly to the reduction in the water/toluene interfacial tension. The minimal interfacial tension was 4.49 mN/m after compounding PS–NH2 with sulfonated zero-dimensional carbon dots.
APA, Harvard, Vancouver, ISO, and other styles
4

Jia, Rong, Jiawen Ren, Xiaohui Liu, Guanzhong Lu, and Yanqin Wang. "Design and synthesis of sulfonated carbons with amphiphilic properties." J. Mater. Chem. A 2, no. 29 (2014): 11195–201. http://dx.doi.org/10.1039/c4ta01836b.

Full text
Abstract:
A new type of sulfonated carbon material with amphiphilic properties was synthesized by the hydrothermal carbonization of a mixture of furfural–sodium dodecylbenzene sulfonate at 180 °C in an autoclave.
APA, Harvard, Vancouver, ISO, and other styles
5

TIAN, XIAO NING, LIJUAN LUO, ZHONGQING JIANG, and X. S. ZHAO. "SOLID SULFONIC ACID CATALYSTS BASED ON POROUS CARBONS AND CARBON–SILICA COMPOSITES." Surface Review and Letters 18, no. 06 (December 2011): 229–39. http://dx.doi.org/10.1142/s0218625x11014606.

Full text
Abstract:
Mesoporous carbons prepared using a templating method under different carbonization temperatures are sulfonated with concentrated H2SO4 . Without the moving of silica template carbon–silica composites were prepared, which can maintain the pore structure well during sulfonation reaction process. The resultant samples are characterized using nitrogen adsorption, transmission electron microscope, field-emission scanning electron microscope, X-ray diffraction, X-ray photoelectron spectroscopy, and elemental analysis techniques. The catalytic performances of the sulfonated carbons and composites are evaluated by esterification reaction of methanol with acetic acid. The results show that a low-temperature carbonization process is favorable for improving the reaction conversion of acetic acid. In addition, the sulfonated carbon–silica composites show a higher acetic acid conversion than the sulfonated mesoporous carbons.
APA, Harvard, Vancouver, ISO, and other styles
6

FRYE, MARSHALL, SHANGRADHANVA E. VASISTH, AMALIE ATASSI, DAVID MAZYCK, and JUAN C. NINO. "EFFECT OF DEGREE OF SULFONATION IN NANOCELLULOSE/CHITOSAN COMPOSITE ON ADSORPTION OF CATIONIC DYE AS OPIOID SIMULANT." Cellulose Chemistry and Technology 55, no. 1-2 (February 12, 2021): 87–99. http://dx.doi.org/10.35812/cellulosechemtechnol.2021.55.09.

Full text
Abstract:
In this study, the effect of nanocellulose sulfonate group content on adsorption of an opioid simulant was tested. The opioid simulant used was Victoria blue R, an amine dye. Nanocellulose filters were fabricated by crosslinking cellulose nanocrystals (CNCs) with chitosan to improve the mechanical stability of freeze-dried CNCs. Thermogravimetric analysis confirmed the filter’s thermal stability and operating temperatures. Conductometric titration, Fourier transform infrared spectroscopy, and scanning electron microscopy techniques were used to characterize the degree of nanocellulose functionalization. Lastly, the adsorption performance of the sulfonated nanocellulose filter was tested and fitted to kinetic models and adsorption isotherms. The adsorption of the dye by the sulfonated nanocellulose followed pseudo-second order kinetics and the Langmuir isotherm. The maximum adsorption of Victoria blue R dye by sulfonated nanocellulose (68.56 mg/g) is significantly higher than those of other adsorbents, like activated carbon (0.59-2.97 mg/g) and magnetic microparticles (40.98 mg/g). Thus, sulfonated cellulose nanocrystals are a promising material for the sequestration of opioids from water.
APA, Harvard, Vancouver, ISO, and other styles
7

Dian Halimah Batubara, Taslim, Seri Maulina, and Iriany. "HIDROLISIS SELULOSA MENGGUNAKAN KATALIS KARBON TERSULFONASI BERBASIS CANGKANG KEMIRI." Jurnal Teknik Kimia USU 7, no. 2 (August 13, 2018): 23–27. http://dx.doi.org/10.32734/jtk.v7i2.1645.

Full text
Abstract:
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. Sulfonated carbon was assessed for its H+ capacity/acidity. The carbon with highest acidity was applied as solid acid catalyst in cogon grass hydrolysis. Resulting glucose was analyzed by dinitrosalicylic acid (DNS) method. Results suggest that sulfonated carbon from candlenut shell can be utilized as heterogeneous catalyst in cogon grass hydrolysis.
APA, Harvard, Vancouver, ISO, and other styles
8

Mardina, Primata, Chairul Irawan, Meilana Dharma Putra, Sylvera Bella Priscilla, Misnawati Misnawati, and Iryanti Fatyasari Nata. "Bioethanol Production from Cassava Peel Treated with Sulfonated Carbon Catalyzed Hydrolysis." Jurnal Kimia Sains dan Aplikasi 24, no. 1 (February 17, 2021): 1–8. http://dx.doi.org/10.14710/jksa.24.1.1-8.

Full text
Abstract:
A large amount of Cassava peel as biomass waste is generated by agricultural activities, and it led to a new pursuit to exploit the utilization of biomass waste. This research aimed to study the potential of Cassava peel as raw material for bioethanol production. This study was performed in 2 main processes, acid hydrolysis, and fermentation. The experiment was initiated by conducting acid hydrolysis (100°C and 60 min) on Cassava peel’s starch using sulfonated carbon catalyst palm oil empty fruit bunch (5%-w/v) to produce 13.53 g/L glucose. The glucose contained hydrolysates then continued to ferment at 30°C. The effect of fermentation time (h), pH, and shaking rate (rpm) of cassava peel’s starch fermentation using Saccharomyces cerevisiae was analyzed. The best result was found at pH 4.5 and 50 rpm for a 24 h reaction with 3.75 g/L of bioethanol concentration. This study revealed that Cassava peel is a promising feedstock for biofuel production.
APA, Harvard, Vancouver, ISO, and other styles
9

Sharghi, Hashem, Pezhman Shiri, and Mahdi Aberi. "An overview on recent advances in the synthesis of sulfonated organic materials, sulfonated silica materials, and sulfonated carbon materials and their catalytic applications in chemical processes." Beilstein Journal of Organic Chemistry 14 (November 1, 2018): 2745–70. http://dx.doi.org/10.3762/bjoc.14.253.

Full text
Abstract:
This review article discusses the progress related to the synthesis and catalytic applications of sulfonated organic materials, sulfonated silica materials, and sulfonated carbon materials for industrial and laboratory products. These catalysts are widely used in acid-catalyzed processes. Most of these acid catalysts are eco-friendly, reusable, and stable. Moreover, the discovery of unique catalysts is vital for developing new, efficient, and reusable catalysts for industrial and laboratory applications. The aim of this review article is to review the recent studies (2014–2018) in the field of the utility of sulfonated organic materials, sulfonated silica materials, and sulfonated carbon materials for developing acidic catalysts.
APA, Harvard, Vancouver, ISO, and other styles
10

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.

Full text
Abstract:
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 (SEM-EDX) and Fourier transform infrared (FTIR) spectroscopy. Sulfonated carbon was then tested as a heterogeneous catalyst for hydrolysis reaction. The reaction was performed in a stainless steel batch reactor at 100 ºC for 6 h. Glucose formed by hydrolysis was measured by dinitrosalicylic acid (DNS) method. Results of this study suggested that sulfonated carbon derived from candlenut shell may be used as a catalyst for cogon grass cellulose hydrolysis to produce glucose
APA, Harvard, Vancouver, ISO, and other styles
11

Wu, Yuanbo, Liandong Tang, Liping Yuan, Yunchu Hu, Hao Wang, and Guangming Yuan. "Effects of sulfonated carbon on the catalytic carbonization and smoke suppression of sawdust board." Journal of Fire Sciences 38, no. 4 (May 5, 2020): 348–62. http://dx.doi.org/10.1177/0734904120915153.

Full text
Abstract:
In this study, sulfonated carbon was obtained by sulfonating pine carbon with fuming sulfuric acid. Characterized by elemental analyzer, fourier transform infrared spectroscopy and X-ray photoelectron spectrometry, it showed that –SO3H was successfully bonded onto the pine carbon’ skeleton in the sulfonation reaction. The effects of pine carbon and sulfonated carbon on the catalytic carbonization and smoke suppression of sawdust boards, and its flame-retardant mechanism were investigated by cone calorimetry, thermogravimetric analysis, scanning electron microscopy, and pyrolysis–gas chromatography–mass spectrometry. And the results demonstrated that sawdust boards containing sulfonated carbon showed superior performance, determined by comparing the peak heat release rate, total heat release, smoke release rate, and total smoke product. Furthermore, with the addition of sulfonated carbon, a carbon layer was formed with a strong oxygen-containing hybrid structure and carbohydrate structure, the pyrolysis of sawdust boards was inhibited, and its char yield was increased.
APA, Harvard, Vancouver, ISO, and other styles
12

Feng, M. N., Z. J. Pu, P. L. Zheng, K. Jia, and X. B. Liu. "Sulfonated carbon nanotubes synergistically enhanced the proton conductivity of sulfonated polyarylene ether nitriles." RSC Advances 5, no. 43 (2015): 34372–76. http://dx.doi.org/10.1039/c5ra03973h.

Full text
APA, Harvard, Vancouver, ISO, and other styles
13

Hannon, A., Y. Lu, J. Li, and M. Meyyappan. "Room temperature carbon nanotube based sensor for carbon monoxide detection." Journal of Sensors and Sensor Systems 3, no. 2 (December 19, 2014): 349–54. http://dx.doi.org/10.5194/jsss-3-349-2014.

Full text
Abstract:
Abstract. Sulfonated single-walled carbon nanotubes have been used in an integrated electrode structure for the detection of carbon monoxide. The sensor responds to 0.5 ppm of CO in air at room temperature. All eight sensors with this material in a 32-sensor array showed good repeatability and reproducibility, with response and recovery times of about 10 s. Pristine nanotubes generally do not respond to carbon monoxide and the results here confirm sulfonated nanotubes to be a potential candidate for the construction of an electronic nose that requires at least a few materials for the selective detection of CO.
APA, Harvard, Vancouver, ISO, and other styles
14

Kristiani, Anis, Kiky Corneliasari Sembiring, Yosi Aristiawan, Fauzan Aulia, Luthfiana Nurul Hidayati, and Haznan Abimanyu. "Catalytic Performance of Sulfonated Carbon Catalysts for Hydrolysis of Palm Oil Empty Fruit Bunch." Jurnal Kimia Sains dan Aplikasi 23, no. 6 (May 31, 2020): 209–15. http://dx.doi.org/10.14710/jksa.23.6.209-215.

Full text
Abstract:
Utilizing lignocellulosic biomass into valuable products, such as chemicals and fuels, has attracted global interest. One of lignocellulosic biomass, palm oil empty fruit bunch (EFB), has major content of cellulose (30-40%), which is highly potential to be a raw material for fermentable sugar production. In this research, a series of sulfonated carbon catalysts with various concentrations of sulfuric acid (H2SO4, 10-30 v/v%) solutions have been successfully prepared and applied for a single stage of heterogeneous acid-catalyzed hydrolysis over microcrystalline cellulose and EFB under moderate temperature condition and ambient pressure. The catalysts’ physical and chemical properties were characterized by using a Thermogravimetric Analyzer (TGA), X-ray diffractometer, surface area analyzer, and Fourier-transform infrared spectrophotometer. The characterization results showed that sulfonated carbon had relatively similar physical properties with the parent of active carbon. The hydrolysis activity of sulfonated carbon catalysts gave various Total Reducing Sugar (TRS). The effects of sulfate loading amount in catalyst samples and various ionic liquids were investigated. The hydrolysis of pure microcrystalline cellulose powder (Avicel) using 30%-sulfonated carbon (30-SC) catalyst in 1-butyl-3-methylimidazolium chloride ([BMIM]Cl) ionic liquid at 150°C yielded the highest TRS of 16.11%. Subsequently, the catalyst of 30-SC was also tested for hydrolysis of EFB and produced the highest TRS of 40.76% in [BMIM]Cl ionic liquid at 150°C for 4 h. The obtained results highlight the potential of sulfonated carbon catalysts for hydrolysis of EFB into fermentable sugar as an intermediate product for ethanol production.
APA, Harvard, Vancouver, ISO, and other styles
15

Doan, Tin C. D., Rajesh Ramaneti, Jacob Baggerman, J. Franc van der Bent, Antonius T. M. Marcelis, Hien D. Tong, and Cees J. M. van Rijn. "Carbon dioxide sensing with sulfonated polyaniline." Sensors and Actuators B: Chemical 168 (June 2012): 123–30. http://dx.doi.org/10.1016/j.snb.2012.03.065.

Full text
APA, Harvard, Vancouver, ISO, and other styles
16

Blümel, Silke, Matthias Contzen, Martina Lutz, Andreas Stolz, and Hans-Joachim Knackmuss. "Isolation of a Bacterial Strain with the Ability To Utilize the Sulfonated Azo Compound 4-Carboxy-4′-Sulfoazobenzene as the Sole Source of Carbon and Energy." Applied and Environmental Microbiology 64, no. 6 (June 1, 1998): 2315–17. http://dx.doi.org/10.1128/aem.64.6.2315-2317.1998.

Full text
Abstract:
ABSTRACT A bacterial strain (strain S5) which grows aerobically with the sulfonated azo compound 4-carboxy-4′-sulfoazobenzene as the sole source of carbon and energy was isolated. This strain was obtained by continuous adaptation of “Hydrogenophaga palleronii” S1, which has the ability to grow aerobically with 4-aminobenzenesulfonate. Strain S5 probably cleaves 4-carboxy-4′-sulfoazobenzene reductively under aerobic conditions to 4-aminobenzoate and 4-aminobenzene-sulfonate, which are mineralized by previously established degradation pathways.
APA, Harvard, Vancouver, ISO, and other styles
17

Grishchenko, Liudmyla, Tetiana Bezugla, Anna Vakaliuk, Alexander Zaderko, Оleksandr Mischanchuk, Tetiana Zakharova, Olga Boldyrieva, and Vitaliy Diyuk. "Chemical grafting of sulfo groups onto carbon fibers." French-Ukrainian Journal of Chemistry 7, no. 2 (2019): 40–51. http://dx.doi.org/10.17721/fujcv7i2p40-51.

Full text
Abstract:
We proposed the brominated carbon cloth that made of polyacrylonitrile-based activated carbon fibers (PAN-ACFs) as a precursor to chemically and uniformly graft SO3H groups to prepare the solid acid catalyst. The thermal and catalytic properties of the sulfonated PAN-ACFs were examined by IR controlled catalytic measurements and thermal analysis. The catalytic test results showed that the sulfonated surface remarkably improved the operating efficiency in isopropanol dehydration by decreasing the reaction temperature. All PAN-ACFs with grafted SO3H groups prepared through brominated precursors can converse 100% of isopropanol into propylene at moderate temperature. They showed the highest catalytic activity compared to PAN-ACFs sulfonated with oleum and chlorosulfonic acid, which conversed only 40% and 70% of isopropanol into propylene and deactivated at the higher temperatures in the reaction medium.
APA, Harvard, Vancouver, ISO, and other styles
18

Tumkot, Laddawan, Armando T. Quitain, Tetsuya Kida, Navadol Laosiripojana, Artiwan Shotipruk, and Panatpong Boonnoun. "Sulfonated Hydrothermal Carbon-Based Catalyzed Esterification under Microwave Irradiation: Optimization and Kinetic Study." Bulletin of Chemical Reaction Engineering & Catalysis 15, no. 2 (June 13, 2020): 514–24. http://dx.doi.org/10.9767/bcrec.15.2.7040.514-524.

Full text
Abstract:
In this study, the esterification reaction of oleic acid (OA) with methanol was investigated in the presence of a sulfonated hydrothermal carbon-based catalyst under microwave irradiation. The reaction conditions were optimized using response surface methodology based on a central composite design. Three following variables were studied: methanol to OA molar ratios (2.5:1–7.5:1), reaction time (50–70 min) and catalyst loading (2–5 wt.%) to provide a statistical model with the coefficient of regression (R2) of 0.9407. Based on the model, the optimum OA conversion of 95.6% was predicted at 5.8:1 methanol to OA molar ratio, 60 min and 3.05 wt.% catalyst loading. The experimental validation indicated that the model gave a good prediction of OA conversion (2.8% error). Furthermore, the reaction was found to be reasonably described by the pseudo-first order kinetics. The dependency of the reaction rate constant on temperatures gave a value of the activation energy of 64 kJ/mol. Copyright © 2020 BCREC Group. All rights reserved
APA, Harvard, Vancouver, ISO, and other styles
19

Efiyanti, Lisna, Dian Anggraini Indrawan, Zulhan Arif, Devandri Hutapea, and Ane Dwi Septina. "Synthesis and Application of a Sulfonated Carbon Catalyst for a Hydrolisis Reaction." Indonesian Journal of Science and Technology 5, no. 3 (December 1, 2020): 410–20. http://dx.doi.org/10.17509/ijost.v5i3.25275.

Full text
Abstract:
Biomass, such as wood waste, is one of the resources that can be potentially converted into a carbon product for catalyst applications. In this study, the sulfonated carbon was obtained through the pyrolysis method for wood waste at the temperature of 350°C, which was later sulfonated through the use of H2SO4 (8N) on the reflux for 4 h. The sulfonated carbon was then analyzed and characterized including its water content, ash content, volatile matter, fixed carbon, iodine adsorption as well as the H+ (acidity) capacity using ammonia adsorptions and functional groups and the Fourier Transform Infra-Red (FTIR) instrument. The catalyst application was carried out during the kempili pulp hydrolysis process using a microwave with the ratio of catalyst to a pulp of 1:1 (5g:5g), with the power conditions of 300, 400, and 600 watt for 3, 5, and 7 min. The results showed that the sulfonated carbon catalyst had water content, volatile matter, ash content, fixed carbon, iodine adsorption as well as the catalyst acidity as much as 3.48%; 11.70%; 4.21%; 84.62%; 690.88 mg/g; and 6.45 mmol/g, respectively with the highest glucose content of 160.83 ppm. The carbon-based catalyst is expected as an alternative catalyst, can be further developed for hydrolysis reactions, and can serve as a green technology product in the future.
APA, Harvard, Vancouver, ISO, and other styles
20

Agrawalla, Rajesh K., Rima Paul, Amit K. Chakraborty, and Apurba K. Mitra. "Synthesis and Optical Characterization of Sulfonated Polyaniline/Single-Walled Carbon Nanotube/Zinc Sulphide Nanocomposite." ISRN Nanotechnology 2013 (November 4, 2013): 1–6. http://dx.doi.org/10.1155/2013/253016.

Full text
Abstract:
Polyaniline functionalized with sulfonate groups (SPANI) shows excellent solubility in water. Single-walled carbon nanotubes functionalized with carboxylic groups (f-SWCNTs) and then hybridized with freshly prepared zinc sulphide (ZnS) nanocrystals have been found to be good luminescent material with tuned emission properties. Nanocomposite of sulfonated polyaniline with embedded SWCNT/ZnS nanohybrid fibers has been prepared by a simple solution mixing process and characterized by using high resolution transmission electron microscopy (HRTEM), X-ray diffractometry, Raman spectroscopy, FTIR spectroscopy, and thermogravimetric analysis (TGA). The study of optical properties by UV-vis absorption and photoluminescence spectroscopy reveals that the composite is a luminescent material of enhanced emission intensity in the visible region of the spectrum.
APA, Harvard, Vancouver, ISO, and other styles
21

Prabhu, Azhagapillai, Ahmed Al Shoaibi, and C. Srinivasakannan. "Synthesis of porous sulfonated carbon as a potential adsorbent for phenol wastewater." Water Science and Technology 72, no. 9 (July 17, 2015): 1594–600. http://dx.doi.org/10.2166/wst.2015.372.

Full text
Abstract:
The work reports a facile synthesis procedure for preparation of porous sulfonated carbons and its suitability for adsorption of phenol. The sulfonated carbon was synthesized utilizing a simplified, single-step, shorter duration process by sulfonation, dehydration and carbonization of sucrose in sulfuric acid and tetraethylorthosilicate. The surface and internal structures of the adsorbents were characterized utilizing various characterization techniques to understand the porous nature and surface functional groups of the porous matrix. Adsorption capacity was found to be highest for the sample heat treated at 600 °C, with the maximum adsorption capacity of 440 mg/g at 30 °C. The adsorption isotherms were tested with the Freundlich and Langmuir adsorption isotherms models to identify the appropriate adsorption mechanism.
APA, Harvard, Vancouver, ISO, and other styles
22

Zhong, Ruyi, and Bert F. Sels. "Sulfonated mesoporous carbon and silica-carbon nanocomposites for biomass conversion." Applied Catalysis B: Environmental 236 (November 2018): 518–45. http://dx.doi.org/10.1016/j.apcatb.2018.05.012.

Full text
APA, Harvard, Vancouver, ISO, and other styles
23

Kausar, Ayesha, Muhammad Khurram, and Muhammad Siddiq. "Sulfonated poly(sulfone-pyridine-amide)/sulfonated polystyrene/multiwalled carbon nanotube-based fuel cell membranes." Polymer Engineering & Science 55, no. 8 (September 23, 2014): 1776–86. http://dx.doi.org/10.1002/pen.24016.

Full text
APA, Harvard, Vancouver, ISO, and other styles
24

Dai, Ying, Hong Haiping, Michael Guiver, and JeffryS Welsh. "Reinforced Films Based on Cross-Linked Water-Soluble Sulfonated Carbon Nanotubes with Sulfonated Polystyrene." Journal of Nanoscience and Nanotechnology 9, no. 9 (September 1, 2009): 5150–56. http://dx.doi.org/10.1166/jnn.2009.1207.

Full text
APA, Harvard, Vancouver, ISO, and other styles
25

Ferdinan, Rizan, Qodria Utami Putri, Fahma Riyanti, Nova Yuliasari, and Hasanudin Hasanudin. "Effects of Montmorillonite and Cane Sugar Composition on The Properties of Montmorillonite-Carbon Sulfonate Catalyst." ICS Physical Chemistry 1, no. 1 (February 6, 2021): 20. http://dx.doi.org/10.34311/icspc.2021.1.1.20.

Full text
Abstract:
The influence of montmorillonite and cane sugar mixture with composition of 1:3, 1:2, 1:1, 2:1, and 3:1 to the characteristics of the synthesized montmorillonite-carbon sulfonate composite catalyst had been investigated. The mixture of montmorillonite and cane sugar was carbonized at 400 oC for 15 hours and then sulfonated using sulfuric acid at 175 oC for 15 hours. The presence of sulfonate group was detected using FT-IR and the surface topology of the catalyst was characterized using SEM-EDX. FT-IR spectra showed the existence of sulfonate group at wave number of 1095 cm-1. SEM-EDX analysis showed that the catalyst with the montmorillonite and cane sugar ratio of 1:2 consisted of 1.06% sulfur. The catalyst activity was examined using an esterification reaction between acetic acid and ethanol, and the reaction products were characterized using GC-MS. The chromatogram peak at m/z = 88 confirmed that the product was ethyl acetate. Catalyst with the montmorillonite and cane sugar ratio of 1:2 was shown to have the highest acidity and gave the highest esterification product with 76.97% conversion.
APA, Harvard, Vancouver, ISO, and other styles
26

Zhao, Yupei, Hui Chen, Yu'an Huang, Yu Zhao, Yuchuan Fu, and Jianyi Shen. "Sulfonated carbon materials with hydrophilic and lipophilic properties." Journal of Energy Chemistry 23, no. 2 (March 2014): 156–63. http://dx.doi.org/10.1016/s2095-4956(14)60130-3.

Full text
APA, Harvard, Vancouver, ISO, and other styles
27

MO, X., D. LOPEZ, K. SUWANNAKARN, Y. LIU, E. LOTERO, J. GOODWINJR, and C. LU. "Activation and deactivation characteristics of sulfonated carbon catalysts." Journal of Catalysis 254, no. 2 (March 10, 2008): 332–38. http://dx.doi.org/10.1016/j.jcat.2008.01.011.

Full text
APA, Harvard, Vancouver, ISO, and other styles
28

Duyckaerts, Nicolas, Ioan-Teodor Trotuş, Valentina Nese, Ann-Christin Swertz, Sebastian Auris, Hartmut Wiggers, and Ferdi Schüth. "Mesoporous Sulfonated Carbon Materials Prepared by Spray Pyrolysis." ChemCatChem 7, no. 18 (August 25, 2015): 2891–96. http://dx.doi.org/10.1002/cctc.201500483.

Full text
APA, Harvard, Vancouver, ISO, and other styles
29

Yan, Pengqiang, Zailai Xie, Siyuan Tian, Fan Li, Dan Wang, Dang Sheng Su, and Wei Qi. "Hydration of phenylacetylene on sulfonated carbon materials: active site and intrinsic catalytic activity." RSC Advances 8, no. 67 (2018): 38150–56. http://dx.doi.org/10.1039/c8ra07966h.

Full text
APA, Harvard, Vancouver, ISO, and other styles
30

Zhou, Weihua, Jichun Xiao, Yiwang Chen, Rong Zeng, Shuqin Xiao, Huarong Nie, Fan Li, and Caisheng Song. "Sulfonated carbon nanotubes/sulfonated poly(ether sulfone ether ketone ketone) composites for polymer electrolyte membranes." Polymers for Advanced Technologies 22, no. 12 (February 3, 2010): 1747–52. http://dx.doi.org/10.1002/pat.1666.

Full text
APA, Harvard, Vancouver, ISO, and other styles
31

Kasprzak, Artur, Michał Bystrzejewski, and Magdalena Poplawska. "Sulfonated carbon-encapsulated iron nanoparticles as an efficient magnetic nanocatalyst for highly selective synthesis of benzimidazoles." Dalton Transactions 47, no. 18 (2018): 6314–22. http://dx.doi.org/10.1039/c8dt00677f.

Full text
APA, Harvard, Vancouver, ISO, and other styles
32

ZHANG, DONGYANG, HAN ZHOU, JIN LIANG, and SHUJIANG DING. "SYNTHESIS OF SUB-MICROMETER CARBON SUPPORTED Fe3O4 HOLLOW SPHERES WITH ENHANCED LITHIUM STORAGE PROPERTIES." Journal of Molecular and Engineering Materials 01, no. 04 (December 2013): 1340018. http://dx.doi.org/10.1142/s2251237313400182.

Full text
Abstract:
In this paper, we report an interesting approach for efficient synthesis of uniform sub-micrometer carbon supported Fe 3 O 4 hollow spheres. Fe 3 O 4 precursor was first coated on the surface of sulfonated polystyrene hollow microspheres. Then, the precursor and sulfonated polystyrene hollow microspheres were converted into Fe 3 O 4 and carbon hollow spheres when heated at 550°C in N 2 atmosphere. The obtained Fe 3 O 4 @ carbon hollow microspheres exhibit enhanced lithium storage properties compared with Fe 2 O 3 hollow spheres as anode materials, delivering a reversible capacity of 612 mA hg−1 after 50 cycles at a high current density of 400 mA g−1.
APA, Harvard, Vancouver, ISO, and other styles
33

Vu, Thu Ha Thi, Manh Ha Nguyen, and Minh Dang Nguyen. "Synthesis of Acidic Heterogeneous Catalysts with High Stability Based on Graphene Oxide/Activated Carbon Composites for the Esterification of Lactic Acid." Journal of Chemistry 2019 (June 4, 2019): 1–7. http://dx.doi.org/10.1155/2019/7815697.

Full text
Abstract:
In this article, acidic heterogeneous catalysts based on graphene oxide and sulfonated biochar were prepared, characterized, and used for lactic acid esterification to form ethyl lactate. Graphene oxide was supported on activated carbon (GO/AC) to more easily filter the catalyst from the reactants. The catalysts were characterized by such methods as XRD, FT-IR, SEM, BET, and the acid-base titration. Catalytic activity was evaluated through the esterification of lactic acid. As a result, the activity of the catalysts decreased in the following order: graphene oxide > sulfonated biochar ≈ GO/AC >> activated carbon. In addition, the GO/AC catalyst showed good stability with an unchanged yield from the 3rd to the 6th recycling test. These results suggest potential applications for new acidic heterogeneous catalysts based on graphene oxide and sulfonated biochar that could replace homogeneous acids in the future.
APA, Harvard, Vancouver, ISO, and other styles
34

Zainol, Muzakkir Mohammad, Mohamad Nor Fitri Roslan, Mohd Asmadi, and Nor Aishah Saidina Amin. "Preparation and Characterization of Sulfonated Carbon Cryogel Doped Zinc as a Catalyst for Glucose Ethanolysis to Ethyl Levulinate." ASEAN Journal of Chemical Engineering 21, no. 1 (June 30, 2021): 1. http://dx.doi.org/10.22146/ajche.59865.

Full text
Abstract:
In this study, sulfonated carbon cryogel (CC) doped with zinc was prepared and used as a solid catalyst. Carbon cryogel was prepared by mixing urea and furfural, freeze-drying, and calcination. The CC was then sulfonated and impregnated with zinc (II) nitrate for ethyl levulinate production from ethanolysis of glucose. Experiment results showed that different types of catalyst prepared from CC precursor had different catalytic effects on the ethanolysis of glucose. Sulfonated carbon cryogel doped with zinc (SCC-Zn) which prepared at a calcination temperature of 300 °C showed better performance as a catalyst for the ethanolysis reaction of glucose. In addition, the 10 wt.% of Zn was recommended as optimum loading for the impregnation on the catalyst. The ethyl levulinate yield of 19.6 mol% was obtained at 180 °C for 6 h with 0.15 g catalyst loading and 0.4 g of glucose feed. The selected SCC-Zn catalyst was further characterized by using FTIR, TGA XRD, and SEM-EDX to evaluate its physical and chemical properties as a catalyst.
APA, Harvard, Vancouver, ISO, and other styles
35

Fu, Yanyi, Qinglin Sheng, and Jianbin Zheng. "The novel sulfonated polyaniline-decorated carbon nanosphere nanocomposites for electrochemical sensing of dopamine." New Journal of Chemistry 41, no. 24 (2017): 15439–46. http://dx.doi.org/10.1039/c7nj03086j.

Full text
APA, Harvard, Vancouver, ISO, and other styles
36

Nata, Iryanti Fatyasari, Chairul Irawan, Meilana Dharma Putra, and Cheng-Kang Lee. "The green synthesis of a palm empty fruit bunch-derived sulfonated carbon acid catalyst and its performance for cassava peel starch hydrolysis." RSC Advances 11, no. 12 (2021): 6449–55. http://dx.doi.org/10.1039/d1ra00019e.

Full text
Abstract:
A sulfonated carbon acid catalyst (C–SO3H) was successfully generated from palm empty fruit bunch (PEFB) carbon via hydrothermal sulfonation via the addition of hydroxyethylsulfonic acid and citric acid.
APA, Harvard, Vancouver, ISO, and other styles
37

Gopalakrishnan, Arthi, and Sushmee Badhulika. "Facile sonochemical assisted synthesis of a hybrid red–black phosphorus/sulfonated porous carbon composite for high-performance supercapacitors." Chemical Communications 56, no. 52 (2020): 7096–99. http://dx.doi.org/10.1039/d0cc02806a.

Full text
APA, Harvard, Vancouver, ISO, and other styles
38

Lu, Yijiang, Jing Li, and Haiping Hong. "Electrical Resistivity of Pristine and Functional Single-Wall Carbon Nanotubes." Journal of Nanomaterials 2013 (2013): 1–5. http://dx.doi.org/10.1155/2013/635673.

Full text
Abstract:
The resistance of several pristine and functional single-wall carbon nanotubes (SWNTs) deposited and dried on interdigitated electrode (IDE) chips was investigated to better understand how functional groups influence their resistivity. Without the external electrical field, the resistance was generally increased for the sulfonated and fluorinated SWNTs but not for COOH-SWNTs. With a 3 V electric field applied during depositing, while no change in resistance was found for the purified pristine SWNTs, fluorinated SWNTs, COOH SWNTs, and Ni-SWNTs, a significant decrease in resistance was observed in sulfonated SWNTs and unpurified pristine SWNTs, which could be due to the alignment of SWNTs in an electric field. The alignment of the sulfonated SWNTs is most likely due to the charge of the sulfate functional group. It is interesting to note that the alignment was found in the unpurified pristine SWNTs but not in the purified pristine ones which have lessened resistivity. The lower resistivity in the purified pristine SWNTs may be due to the smaller number (<5%) of impurities. The significance of this research is that hydrophilic COOH-SWNTs could be a better candidate than the hydrophobic pristine SWNTs for being used in many applications, especially in polymer nanocomposites.
APA, Harvard, Vancouver, ISO, and other styles
39

Na, Sun, Zhang Minhua, Dong Xiuqin, and Wang Lingtao. "Preparation of sulfonated ordered mesoporous carbon catalyst and its catalytic performance for esterification of free fatty acids in waste cooking oils." RSC Advances 9, no. 28 (2019): 15941–48. http://dx.doi.org/10.1039/c9ra02546d.

Full text
APA, Harvard, Vancouver, ISO, and other styles
40

Konwar, Lakhya Jyoti, Päivi Mäki-Arvela, Ashim Jyoti Thakur, Narendra Kumar, and Jyri-Pekka Mikkola. "Sulfonated carbon as a new, reusable heterogeneous catalyst for one-pot synthesis of acetone soluble cellulose acetate." RSC Advances 6, no. 11 (2016): 8829–37. http://dx.doi.org/10.1039/c5ra25716f.

Full text
Abstract:
A sulfonated carbon (SO3H/PhSO3H-carbon) catalyzed process was developed for the one-pot synthesis of acetone soluble-cellulose acetate (CA) via acetylation of cellulose with acetic anhydride.
APA, Harvard, Vancouver, ISO, and other styles
41

Maneechakr, Panya, Jittima Samerjit, and Surachai Karnjanakom. "Ultrasonic-assisted biodiesel production from waste cooking oil over novel sulfonic functionalized carbon spheres derived from cyclodextrin via one-step: a way to produce biodiesel at short reaction time." RSC Advances 5, no. 68 (2015): 55252–61. http://dx.doi.org/10.1039/c5ra09499b.

Full text
APA, Harvard, Vancouver, ISO, and other styles
42

Luo, Qinghua, Haizhen Ding, Xiaolong Hu, Jiahui Xu, Anwar Sadat, Mingsheng Xu, Fernando Lucas Primo, Antonio Claudio Tedesco, Haiyuan Zhang, and Hong Bi. "Sn4+ complexation with sulfonated-carbon dots in pursuit of enhanced fluorescence and singlet oxygen quantum yield." Dalton Transactions 49, no. 21 (2020): 6950–56. http://dx.doi.org/10.1039/d0dt01187h.

Full text
APA, Harvard, Vancouver, ISO, and other styles
43

Zhang, Hui, Hong X. Li, and Hui M. Cheng. "Water-Soluble Multiwalled Carbon Nanotubes Functionalized with Sulfonated Polyaniline." Journal of Physical Chemistry B 110, no. 18 (May 2006): 9095–99. http://dx.doi.org/10.1021/jp060193y.

Full text
APA, Harvard, Vancouver, ISO, and other styles
44

Lynam, Carol, Gordon G. Wallace, and David L. Officer. "Electrodeposition and Characterisation of Polypyrroles Containing Sulfonated Carbon Nanotubes." Journal of Nanoscience and Nanotechnology 7, no. 10 (October 1, 2007): 3487–94. http://dx.doi.org/10.1166/jnn.2007.825.

Full text
APA, Harvard, Vancouver, ISO, and other styles
45

Peng, Feng, Lei Zhang, Hongjuan Wang, Ping Lv, and Hao Yu. "Sulfonated carbon nanotubes as a strong protonic acid catalyst." Carbon 43, no. 11 (September 2005): 2405–8. http://dx.doi.org/10.1016/j.carbon.2005.04.004.

Full text
APA, Harvard, Vancouver, ISO, and other styles
46

Min, Byeong Ho, Jae-Hwan Choi, and Kyeong Youl Jung. "Improved capacitive deionization of sulfonated carbon/titania hybrid electrode." Electrochimica Acta 270 (April 2018): 543–51. http://dx.doi.org/10.1016/j.electacta.2018.03.079.

Full text
APA, Harvard, Vancouver, ISO, and other styles
47

Liu, Rui, Xiqing Wang, Xiang Zhao, and Pingyun Feng. "Sulfonated ordered mesoporous carbon for catalytic preparation of biodiesel." Carbon 46, no. 13 (November 2008): 1664–69. http://dx.doi.org/10.1016/j.carbon.2008.07.016.

Full text
APA, Harvard, Vancouver, ISO, and other styles
48

Zheng, Qingxin, Takuma Kato, Yuko Ito, Masayoshi Wagatsuma, Yuya Hiraga, and Masaru Watanabe. "Sulfonated carbon-catalyzed deamination of alanine under hydrothermal conditions." Journal of Supercritical Fluids 175 (September 2021): 105275. http://dx.doi.org/10.1016/j.supflu.2021.105275.

Full text
APA, Harvard, Vancouver, ISO, and other styles
49

Meng, Si Wei, Jin Zhang, Gui Wu Lu, Xiao Tong Li, Li Jia Xiao, Teng Fei Hou, Peng Feng Chen, and Rong Zhang. "Thickening Carbon Dioxide by Designing New Block Copolymer." Advanced Materials Research 1021 (August 2014): 20–24. http://dx.doi.org/10.4028/www.scientific.net/amr.1021.20.

Full text
Abstract:
In a previous work researchers found that fluorinated acrylate (PHFDA)/styrene (PSt)/ sulfonated styrene (S) copolymer can enhance the viscosity of carbon dioxide (CO2) by factors greater than 100 at concentrations of 5 wt %. To further improve the efficiency of this copolymer, we apply the dissipative particle dynamics (DPD) method to investigate the link between copolymer molecular structure and the solution rheology. Results show that sulfonated copolymer molecules combine with each other and create self-assembly structures, which greatly thicken liquid CO2. We conclude that we should increase the sulfonation degree on the premise of a reasonable solubility. Using a further dissolving experiment, we finally fix the mole fraction of PHFDA, PSt and S on 60%, 24% and 16%, respectively. We test the viscosity of the improved copolymer with rheometer, results show that it can increase the solution viscosity 180-fold relative to neat CO2 at 334K and 28 MPa with a concentration of 2.5 wt %.
APA, Harvard, Vancouver, ISO, and other styles
50

Ji, Ting, Licheng Tan, Xiaotian Hu, Yanfeng Dai, and Yiwang Chen. "A comprehensive study of sulfonated carbon materials as conductive composites for polymer solar cells." Physical Chemistry Chemical Physics 17, no. 6 (2015): 4137–45. http://dx.doi.org/10.1039/c4cp04965a.

Full text
APA, Harvard, Vancouver, ISO, and other styles
You might also be interested in the bibliographies on the topic 'Sulfonated carbon' for other source types:
Dissertations / Theses
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!

To the bibliography