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1,858 Newest Publications in journal of chemical technology & biotechnology

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Heavy gas oil biodesulfurization using a low‐cost bacterial consortium

20-Jan-2018 | Bruna Porto, Danielle Maass, J. Vladimir Oliveira, Débora de Oliveira, Carlos Itsuo Yamamoto, Antônio A. Ulson de So ..., Journal of Chemical Technology & Biotechnology, 2018

Abstract BACKGROUND Petroleum and its derivatives usually containing great amounts of sulfur. During the combustion of fossil fuels, sulfur it is liberated to the atmosphere as one of the most noxious pollutant form: the sulfur dioxide (SOx). The removal of sulfur content to the ultralow ...

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NIR‐responsive Nanomaterials and Their Applications : Upconversion nanoparticles and Carbon dots : A Perspective

20-Jan-2018 | Yi‐Hsin Chien, Kok Ken Chan, Stephanie Hui Kit Yap, Ken‐Tye Yong, Journal of Chemical Technology & Biotechnology, 2018

Abstract Near‐infrared (NIR) light responsive materials have drawn much attention for diverse applications due to its excellent optical properties. This type of material exhibits upconverted luminescence, a non‐linear optical process where two or more low energy photons, usually from NIR light ...

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Immobilization of glycerol dehydrogenase and NADH oxidase for enzymatic synthesis of 1,3‐dihydroxyacetone with in situ cofactor regeneration

13-Jan-2018 | Meng‐Yao Zhuang, Xiao‐Ping Jiang, Xiao‐Min Ling, Meng‐Qiu Xu, Yi‐Hao Zhu, Zhang Ye‐Wang, Journal of Chemical Technology & Biotechnology, 2018

Abstract BACKGROUND Nicotinamide cofactor‐dependent oxidoreductases have been widely applied to the bioproduction of varieties of useful compounds. Efficient cofactor regeneration is often required for these oxidoreductases catalyzed reactions. Herein, enzymatic production of 1, ...

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Responses of flocculent and granular sludge in anaerobic sequencing batch reactor (ASBR) to azithromycin wastewater and its impact on microbial communities

13-Jan-2018 | Peng‐yu Liu, Jia‐rong Chen, Lei Shao, Jun Tan, Dai‐jie Chen, Journal of Chemical Technology & Biotechnology, 2018

Abstract BACKGROUND Azithromycin (AZM), a 15‐member macrolide antibiotic, has caused widespread pollution in China, where anaerobic digestion is the predominant wastewater treatment technology. However, the type of anaerobic sludge more suitable to treating antibiotic wastewater is unclear. ...

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Preparation of metal‐organic frameworks hybridizing with attapulgite and adsorption behaviors for glutathione reduced

13-Jan-2018 | Yi Liu, Yongfeng Liu, Hao Wang, Ling Dong, Duolong Di, Journal of Chemical Technology & Biotechnology, 2018

Abstract BACKGROUND A series of metal organic frameworks (MOFs) hybrid materials resulting from the hybridization of MOFs and attapulgite were constructed using a facile reflux route under relatively low reaction temperature and characterized by FTIR spectra, nitrogen adsorption‐desorption ...

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Fluid dynamic characterization of a fluidized‐bed perfusion bioreactor with CFD‐DEM simulation

09-Jan-2018 | Zheqing Huang, Akinlolu Oyekunle Oluseun Odeleye, Hua Ye, Zhanfeng Cui, Aidong Yang, Journal of Chemical Technology & Biotechnology, 2018

Abstract BACKGROUND In the recent development of regenerative medicine, the low yields of progenitor cells have limited the large‐scale clinical applications. To overcome the limitation, a novel fluidized bed bioreactor has emerged. However, a detailed understanding of the fluid dynamics is ...

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A Model for Reaction Kinetics of Main and Side Reactions during Industrial Production of Trioxane and Its Applications

05-Jan-2018 | Xianming Zhang, Yufeng Hu, Weiting Ma, Journal of Chemical Technology & Biotechnology, 2018

Abstract BACKGROUND Trioxane is industrially synthesized by cyclotrimerization of formaldehyde in [formaldehyde–H2SO4(catalyst)–H2O]. A rapid expansion of trioxane production facilities has occurred worldwide, which requires a reliable model for reaction kinetics of main and side reactions ...

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Effect of Packing Material Configuration and Liquid Recirculation Rate on the Performance of a Biotrickling Filter treating VOCs

05-Jan-2018 | Francisco Caicedo, José M. Estrada, Juan P. Silva, Raúl Muñoz, Raquel Lebrero, Journal of Chemical Technology & Biotechnology, 2018

Abstract BACKGROUND Gas‐liquid mass transfer still constitutes an important constraint for hydrophobic volatile organic compounds (VOCs) removal in biotrickling filters (BTFs), packing material and liquid recirculation rate being two key parameters governing this mass transfer. The combined ...

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New surface cross‐linking method to fabricate positively charged nanofiltration membranes for dye removal

04-Jan-2018 | Xiao Wang, Xiaohui Ju, Tian‐Zhi Jia, Qian‐Cheng Xia, Jia‐Lin Guo, Chen Wang, Zhaoliang Cui, Yong Wang, Weihong Xing, ..., Journal of Chemical Technology & Biotechnology, 2018

Abstract BACKGROUND At present, most commercial nanofiltration (NF) membranes are negatively charged. An effective way to prepare positively charged NF membrane is to cross‐link polyimide (PI) substrate with polyethyleneimine (PEI). However, lacking of an efficient process for selecting ...

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A Full‐Scale Thermophilic Biofilter in the Treatment of Sludge Drying Exhaust: Performance, Microbial Characteristics and Bioaerosol Emission

03-Jan-2018 | Kaixiong Yang, Lin Li, Wenjie Ding, Junxin Liu, Song Xue, Journal of Chemical Technology & Biotechnology, 2018

ABSTRACT BACKGROUND Volatile organic compounds (VOCs), NH3, and SO2 generated from sludge drying process were treated by a full‐scale thermophilic biofilter (FTB). The correlation of gaseous pollutants removal and the microbial community structure in the FTB were studied. Bioaerosols ...

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