Carbon Resources Conversion最新文献_第8页

Lipid extraction and CO2 capture with switchable polarity solvent 脂质提取和二氧化碳捕获与切换极性溶剂

IF 6 3区环境科学与生态学

Carbon Resources Conversion Pub Date : 2023-06-05 DOI: 10.1016/j.crcon.2023.05.005

Kejing Wu , Chuandong Tao , Shanjin Zeng , Yingying Liu , Bin Liang , Houfang Lu

引用次数: 0

One-pot glycerol conversion to acrylic acid catalyzed by Cu modified HY zeolite synthesized from natural resources and pro-analytical precursor 天然资源合成Cu修饰HY沸石及前分析前驱体催化甘油一锅制丙烯酸

IF 6 3区环境科学与生态学

Carbon Resources Conversion Pub Date : 2023-06-02 DOI: 10.1016/j.crcon.2023.05.007

Monika Lumongga Putri Tambunan , Iman Abdullah , Yuni Krisyuningsih Krisnandi

{"title":"One-pot glycerol conversion to acrylic acid catalyzed by Cu modified HY zeolite synthesized from natural resources and pro-analytical precursor","authors":"Monika Lumongga Putri Tambunan , Iman Abdullah , Yuni Krisyuningsih Krisnandi","doi":"10.1016/j.crcon.2023.05.007","DOIUrl":"10.1016/j.crcon.2023.05.007","url":null,"abstract":"<div><p>The conversion of glycerol to acrylic acid was carried out by the one-pot process method. The catalyst used in this conversion is Cu-modified HY zeolite synthesized using pro-analytical precursors and alternative precursors from natural resources i.e., Indonesian natural zeolite and kaolin. The crystal structure and physicochemical properties of catalysts were determined by various characterization techniques such as XRD, FTIR, SEM-EDX, TEM, SAA, and TPD-NH<sub>3</sub>. Based on XRD analysis, it shows that HY and CuHY, both from synthetic and alternative precursors, are confirmed to have typical peaks of Y zeolite. EDX mapping images show a uniform distribution of Cu on the HY surface. In addition, the TEM analysis also shows uniform particle size distribution. The results of catalytic glycerol conversion show that Cu-modified HY catalysts give a higher acrylic acid yield than HY. The results also show that the highest yield of acrylic acid was obtained in 27.5% and 25.8% at a dehydration time of 3 h using pro-analytical and natural resources CuHY catalyst, respectively. The Cu-modified HY catalysts having weak acid sites show the best catalytic activity in the conversion of glycerol to acrylic acid.</p></div>","PeriodicalId":52958,"journal":{"name":"Carbon Resources Conversion","volume":"7 1","pages":"Article 100188"},"PeriodicalIF":6.0,"publicationDate":"2023-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2588913323000431/pdfft?md5=a3cbcc72bcf5789ce1978d07d9743556&pid=1-s2.0-S2588913323000431-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45180078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Controlling the reaction network of Ni/silica derived conversion of bio-oil surrogate guaiacol 控制镍/二氧化硅转化生物油替代愈创木酚的反应网络

IF 6 3区环境科学与生态学

Carbon Resources Conversion Pub Date : 2023-06-02 DOI: 10.1016/j.crcon.2023.05.006

Nils Kretzschmar, Oliver Busse, Markus Seifert

{"title":"Controlling the reaction network of Ni/silica derived conversion of bio-oil surrogate guaiacol","authors":"Nils Kretzschmar, Oliver Busse, Markus Seifert","doi":"10.1016/j.crcon.2023.05.006","DOIUrl":"10.1016/j.crcon.2023.05.006","url":null,"abstract":"<div><p>Replacing fossil carbon sources with green bio-oils is a promising route to switch to a sustainable chemical industry, although their high oxygen contents are challenging. Catalytic hydrodeoxygenation is a favored route to upgrade bio-oils to renewable fuels and basic chemicals. In this work, we investigated Ni/SiO<sub>2</sub> catalysts with differing metal dispersity in continuous mode conversion of guaiacol with a statistical experimental design for 250 °C to 400 °C, 2 h up to 5 h time on stream (ToS) and subsequently different residence time besides other parameters. While low temperature (250 °C) promotes cyclohexanol formation from guaiacol, high temperature (400 °C) inhibits hydrogenation, leading to phenol and methane. For medium temperature (340 °C), the selectivity for cyclohexanone increases. Cyclohexanol and cyclohexanone (KA-oil) are the industrial basis for polyamide 6. Furthermore, we clarified the role of 2-methoxycyclohexanol (2MC) in the reaction network towards KA-oil for continuous-mode operation. Statistical analysis was used to predict and optimize product selectivity and yield, leading to the best yield of cyclohexanone/-ol at 327.5 °C, low ToS, medium residence time, high particle dispersity, and medium hydrogen pressure (15 bar(g)).</p></div>","PeriodicalId":52958,"journal":{"name":"Carbon Resources Conversion","volume":"7 1","pages":"Article 100187"},"PeriodicalIF":6.0,"publicationDate":"2023-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S258891332300042X/pdfft?md5=334be81d48d6c8846d0cfd3f6e6bb851&pid=1-s2.0-S258891332300042X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46012027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Outside Back Cover 封底

IF 6 3区环境科学与生态学

Carbon Resources Conversion Pub Date : 2023-06-01 DOI: 10.1016/S2588-9133(23)00034-0

引用次数: 0

Effect of varying hydrothermal temperature, time, and sludge pH on sludge solubilisation 不同水热温度、时间和污泥pH值对污泥溶解的影响

IF 6 3区环境科学与生态学

Carbon Resources Conversion Pub Date : 2023-06-01 DOI: 10.1016/j.crcon.2022.12.001

Reshma Babu, Gustavo Capannelli, Massimo Bernardini, Marcello Pagliero, Antonio Comite

{"title":"Effect of varying hydrothermal temperature, time, and sludge pH on sludge solubilisation","authors":"Reshma Babu, Gustavo Capannelli, Massimo Bernardini, Marcello Pagliero, Antonio Comite","doi":"10.1016/j.crcon.2022.12.001","DOIUrl":"10.1016/j.crcon.2022.12.001","url":null,"abstract":"<div><p>In recent years, hydrothermal treatment has been considered as among the most promising option for sludge solubilisation and carbon recovery in terms of sludge management. In this study, the effect of different individual hydrothermal operating conditions like temperature (110–250 °C), sludge pH (6–13) and reaction time (0.5–3 h) were varied to understand their influence on sludge solubilisation. The most effective hydrothermal conditions (severity factor of 9.7) were found to be at 200 °C, sludge pH of 12 and reaction time of 1 h which solubilised about 1743 mg/g and 131 mg/g of COD and carbohydrates respectively into the aqueous phase. Also, gas chromatography- mass spectrometry (GC–MS) analysis was done that identified the organic compounds in the treated liquid phase to be mainly carboxylic acids, phenols, esters, and their derivatives. Although further studies are required to efficiently separate and recover the different organic compounds present, this work provides more insights for future valorisation of the organic rich hydrothermally treated liquid phase.</p></div>","PeriodicalId":52958,"journal":{"name":"Carbon Resources Conversion","volume":"6 2","pages":"Pages 142-149"},"PeriodicalIF":6.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45430237","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Efficiency analysis of sorption-enhanced method in steam methane reforming process 蒸汽甲烷重整过程中吸附增强法的效率分析

IF 6 3区环境科学与生态学

Carbon Resources Conversion Pub Date : 2023-06-01 DOI: 10.1016/j.crcon.2022.12.004

Yaowei Hu , Lu Liu , Kai Xu , Yuncai Song , Jieying Jing , Huiyan Zhang , Jie Feng

{"title":"Efficiency analysis of sorption-enhanced method in steam methane reforming process","authors":"Yaowei Hu , Lu Liu , Kai Xu , Yuncai Song , Jieying Jing , Huiyan Zhang , Jie Feng","doi":"10.1016/j.crcon.2022.12.004","DOIUrl":"10.1016/j.crcon.2022.12.004","url":null,"abstract":"<div><p>The sorption-enhanced method can change the thermodynamic equilibrium by absorbing CO<sub>2</sub>. However, it also brings about the problems of high regeneration temperature of adsorbent and large regeneration energy consumption. In order to study the impact of enhanced adsorption methods on the overall energy cost of the system in the hydrogen production process, this paper analyzes and compares steam methane reforming and reactive adsorption-enhanced steam methane reforming with the energy consumption of hydrogen production products as the evaluation index. The results showed that the energy consumption per unit hydrogen production decreased from 276.21 MJ/kmol to 131.51 MJ/kmol, and the decomposition rate of H<sub>2</sub>O increased by more than 20% after the addition of adsorption enhancement method. It is proved that the advantage of sorption enhanced method on pre-separation of CO<sub>2</sub> in the product makes up for the disadvantage of energy consumption of adsorbent regeneration. In addition, the ability of the process to obtain H element is improved by the high decomposition rate of H<sub>2</sub>O, which realizes a more rational distribution of the element.</p></div>","PeriodicalId":52958,"journal":{"name":"Carbon Resources Conversion","volume":"6 2","pages":"Pages 132-141"},"PeriodicalIF":6.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44567562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Recent advances in the catalytic production of bio-based diol 2,5-bis(hydroxymethyl)furan 催化制备生物基二醇2,5-双(羟甲基)呋喃的研究进展

IF 6 3区环境科学与生态学

Carbon Resources Conversion Pub Date : 2023-06-01 DOI: 10.1016/j.crcon.2023.01.001

Wenguang Zhao , Feng Wang , Kangyu Zhao , Xianxiang Liu , Xiaoting Zhu , Le Yan , Yuan Yin , Qiong Xu , Dulin Yin

引用次数: 2

Removal of Cr(VI) from aqueous solution by Rice-husk-based activated carbon prepared by Dual-mode heating method 双模加热法制备稻壳基活性炭去除水溶液中的铬(VI

IF 6 3区环境科学与生态学

Carbon Resources Conversion Pub Date : 2023-06-01 DOI: 10.1016/j.crcon.2023.01.003

Xinchi Zhang, Shiliang Wu, Yuan Liu, Ziwei Wang, Huiyan Zhang, Rui Xiao

{"title":"Removal of Cr(VI) from aqueous solution by Rice-husk-based activated carbon prepared by Dual-mode heating method","authors":"Xinchi Zhang, Shiliang Wu, Yuan Liu, Ziwei Wang, Huiyan Zhang, Rui Xiao","doi":"10.1016/j.crcon.2023.01.003","DOIUrl":"10.1016/j.crcon.2023.01.003","url":null,"abstract":"<div><p>Rice husk-based activated carbon was prepared with the help of zinc chloride using microwave and electrical dual-mode heating. The pore characteristics and chemical properties of rice husk-based activated carbon (RH-AC) were characterized by BET, XRD, Raman spectra, FTIR and pH<sub>IEP</sub> (pH of isoelectric point). The specific surface area of RH-AC is 1719.32 m<sup>2</sup>/g with a total pore volume of 1.05 cm<sup>3</sup>/g. The performance of RH-AC for removing Cr(VI) from aqueous solution was examined considering the variation of the contact time (0–120 min), pH value (2.0–9.0), adsorbent dose (0.5–3.0 g/L), initial concentration (28–145 mg/L) and solvent temperature (15–45 °C). The ideal pH for Cr(VI) removal is between 2.0 and 3.0 with the equilibrium time of 90 min, achieving the maximum adsorption capacity of 56.82 mg/g with the pH of 3.0. Comparable study on the established kinetic models and isotherms to simulate the removal of Cr(VI) by RH-AC was carried out to sort out the inherent mechanism of the absorption. Reasonable agreements could be obtained by the pseudo-second-order kinetic model and Langmuir, Freundlich and Tempkin isothermal models. Results from Body model simulation suggest that external mass transfer was the essential cause for rate-controlling in the adsorption process of Cr(VI).</p></div>","PeriodicalId":52958,"journal":{"name":"Carbon Resources Conversion","volume":"6 2","pages":"Pages 76-84"},"PeriodicalIF":6.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43865318","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Application of ionic liquids in CO2 capture and electrochemical reduction: A review 离子液体在CO2捕集和电化学还原中的应用综述

IF 6 3区环境科学与生态学

Carbon Resources Conversion Pub Date : 2023-06-01 DOI: 10.1016/j.crcon.2023.02.003

Xiaowei An , Peifen Wang , Xuli Ma , Xiao Du , Xiaogang Hao , Ziyuan Yang , Guoqing Guan

{"title":"Application of ionic liquids in CO2 capture and electrochemical reduction: A review","authors":"Xiaowei An , Peifen Wang , Xuli Ma , Xiao Du , Xiaogang Hao , Ziyuan Yang , Guoqing Guan","doi":"10.1016/j.crcon.2023.02.003","DOIUrl":"10.1016/j.crcon.2023.02.003","url":null,"abstract":"<div><p>As a new type of green solvent with non-volatility, high thermal stability, high conductivity and various adjustable properties, ionic liquid (IL) has been widely used in the capture and electrochemical reduction of carbon dioxide (CO<sub>2</sub>). To date, many studies have been made to investigate CO<sub>2</sub> capture by using different types of ILs and CO<sub>2</sub> electrochemical reduction (CO<sub>2</sub>ER) with ILs as either electrolyte or other catalytic active components. Some structure–activity relationships between the structure and adsorption or catalytic properties of ILs have been found. Herein, the absorption performances and mechanisms of conventional ILs, amino-functionalized ILs, non-amino functionalized ILs and supported ILs for CO<sub>2</sub> capture, as well as the performances and action mechanisms of ILs as the electrolyte, electrolyte additive, and/or electrode modifier in the process of CO<sub>2</sub>ER are summarized. Many researches indicate that the unique interaction between the anion or cation of IL and CO<sub>2</sub> has a significant contribution to promote the absorption and conversion of CO<sub>2</sub>. However, the ILs used for CO<sub>2</sub> capture and electrochemical reduction should be further explored. Especially, a more in-depth investigation of the adsorption and catalytic mechanisms with the help of quantum chemical calculation, molecular simulation, and <em>in situ</em> characterization techniques is necessary. It is expected to design and develop more efficient ILs used for CO<sub>2</sub> capture and conversion on a large scale.</p></div>","PeriodicalId":52958,"journal":{"name":"Carbon Resources Conversion","volume":"6 2","pages":"Pages 85-97"},"PeriodicalIF":6.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48574776","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 7

Establishment of correlation between reaction kinetics and carbon structures in the char gasification process 煤焦气化反应动力学与碳结构相关性的建立

IF 6 3区环境科学与生态学

Carbon Resources Conversion Pub Date : 2023-06-01 DOI: 10.1016/j.crcon.2023.02.002

Zefeng Ge , Xi Cao , Zhenting Zha , Yuna Ma , Mingxun Zeng , Yuqing Wu , Zenghui Hou , Huiyan Zhang

{"title":"Establishment of correlation between reaction kinetics and carbon structures in the char gasification process","authors":"Zefeng Ge , Xi Cao , Zhenting Zha , Yuna Ma , Mingxun Zeng , Yuqing Wu , Zenghui Hou , Huiyan Zhang","doi":"10.1016/j.crcon.2023.02.002","DOIUrl":"10.1016/j.crcon.2023.02.002","url":null,"abstract":"<div><p>For a gasification process, the char-CO<sub>2</sub> gasification is the controlling step worthwhile to be deeply investigated. The article chosen corn stalk (CS), poplar sawdust (PS) and bagasse residue (BR) as the typical waste species derived from agricultural, forestal and industrial sources. The char-CO<sub>2</sub> gasification behavior, reaction kinetics and carbon structure were studied to reveal the intrinsic factors determining the reaction kinetics. Generally, the carbon conversion and maximum conversion rate were influenced by the feedstocks species and char preparation temperatures, as influenced by ash proportion, potassium content in ash and carbon structure of char. The char-CO<sub>2</sub> reaction for CS was subject more to the catalytic effect of alkali compositions, while pore structure affected more the gasification reaction for PS char. The isoconversional kinetic analysis indicated that the gasification reaction became stable at carbon conversion of 0.5. Subsequently, sectionalized kinetic parameters were calculated for the initial gasification temperature to the temperature reaching 50% conversion. The result showed that high initial gasification temperature increased the char-CO<sub>2</sub> gasification barrier to hardly start the reaction but accelerate the reaction rate. The carbon structure analyses further clarified that the reaction activation energy was highly related to the microcrystalline structure of carbon, while the reaction rate was more determined by carbon pore structure.</p></div>","PeriodicalId":52958,"journal":{"name":"Carbon Resources Conversion","volume":"6 2","pages":"Pages 67-75"},"PeriodicalIF":6.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44050238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4