Search Results - "Zeng, Raymond Jianxiong"

Free acetic acid as the key factor for the inhibition of hydrogenotrophic methanogenesis in mesophilic mixed culture fermentation by Zhang, Wei, Dai, Kun, Xia, Xiu-Yang, Wang, Hua-Jie, Chen, Yun, Lu, Yong-Ze, Zhang, Fang, Zeng, Raymond Jianxiong

“…[Display omitted] •Inhibition of hydrogenotrophic methanogens in anaerobic fermentation is analyzed.•The free acetic acid (FAA) concentration is the key factor…”
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Bidirectional extracellular electron transfers of electrode-biofilm: Mechanism and application by Jiang, Yong, Zeng, Raymond Jianxiong

“…•Comprehensive analysis of the bidirectional EET of a single electrode-biofilm.•Summary of current study using pure culture capable of bidirectional…”
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Expanding the product spectrum of value added chemicals in microbial electrosynthesis through integrated process design—A review by Jiang, Yong, Jianxiong Zeng, Raymond

“…[Display omitted] •Recent research efforts to improve acetate production are summarized.•Future research paths for higher value chemicals production are…”
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Microbial electrochemical stimulation of caproate production from ethanol and carbon dioxide by Jiang, Yong, Chu, Na, Qian, Ding-Kang, Jianxiong Zeng, Raymond

“…[Display omitted] •Electro-stimulation of microbial chain elongation for ethanol and CO2 conversion.•Caproate was produced at 2.41 ± 0.69 g L−1 d−1, and…”
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Iron-carbon composite from carbonization of iron-crosslinked sodium alginate for Cr(VI) removal by Wu, Jun, Zheng, Hao, Zhang, Fang, Zeng, Raymond Jianxiong, Xing, Baoshan

“…[Display omitted] •Fe-crosslinked sodium alginate was carbonized to synthesize Fe/C composite.•Fe/C composite with high content of reductive Fe was…”
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Submersible probe type microbial electrochemical sensor for volatile fatty acids monitoring in the anaerobic digestion process by Jiang, Yong, Chu, Na, Zeng, Raymond Jianxiong

“…Microbial electrochemical sensor with a more simplified architecture is required in the anaerobic digestion (AD) process for in situ on-line volatile fatty…”
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Electro-fermentation regulates mixed culture chain elongation with fresh and acclimated cathode by Jiang, Yong, Chu, Na, Zhang, Wei, Zhang, Lixia, Jianxiong Zeng, Raymond

“…[Display omitted] •A fresh and acclimated cathode regulates mixed culture chain elongation process.•Tunable products (propionate, butyrate, valerate, and…”
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Combined use of inorganic coagulants and cationic polyacrylamide for enhancing dewaterability of sewage sludge by Wang, Hou-Feng, Hu, Hao, Wang, Hua-Jie, Zeng, Raymond Jianxiong

“…Coagulation or flocculation of waste sludge by coagulants or flocculants is often used alone or in hybrid conditioning with other preconditioning for sludge…”
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Nitrification plays a key role in N2O emission in electric-field assisted aerobic composting by Tang, Jiahuan, Li, Xiang, Cui, Peng, Lin, Jiayang, Jianxiong Zeng, Raymond, Lin, Hao, Zhou, Shungui

“…[Display omitted] •Electric field applications inhibited nitrification in composting.•Electric-field assisted composting promoted nosZ expression.•N2O was…”
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Facilitated extracellular electron transfer of Geobacter sulfurreducens biofilm with in situ formed gold nanoparticles by Chen, Man, Zhou, Xiaofang, Liu, Xing, Zeng, Raymond Jianxiong, Zhang, Fang, Ye, Jie, Zhou, Shungui

“…The conductivity of a biofilm is the key factor for the high current density of a bioelectrochemical system (BES). Most previous works have focused on…”
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Mechanisms of extracellular photoelectron uptake by a Thiobacillus denitrificans-cadmium sulfide biosemiconductor system by Zhou, Xiaofang, Huang, Shaofu, Chen, Xiangyu, Jianxiong Zeng, Raymond, Zhou, Shungui, Chen, Man

“…[Display omitted] •A periplasmic protein Cyt c4 is targeted to play a role in photoelectron transfer.•An ITO-bottom electrochemical reactor records the…”
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Efficient production of medium chain fatty acids in microbial electrosynthesis with simultaneous bio-utilization of carbon dioxide and ethanol by Li, Zhigang, Cai, Jiayi, Gao, Yu, Zhang, Lixia, Liang, Qinjun, Hao, Wen, Jiang, Yong, Jianxiong Zeng, Raymond

“…[Display omitted] •Three-chamber MES were constructed with different methods of chain elongation.•Caproate of 11.9 ± 0.6 g L-1 and C6 Specificity of 78.7% ±…”
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Caproate production from xylose by mesophilic mixed culture fermentation by Qian, Ding-Kang, Geng, Zi-Qian, Sun, Ting, Dai, Kun, Zhang, Wei, Jianxiong Zeng, Raymond, Zhang, Fang

“…[Display omitted] •Converting xylose to caproate (C6) by mixed culture fermentation was verified.•The maximum concentration of caproate was 2.06 g/L in a batch…”
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No difference in inhibition among free acids of acetate, propionate and butyrate on hydrogenotrophic methanogen of Methanobacterium formicicum by Zhang, Wei, Zhang, Fang, Li, Yong-Xin, Jiang, Yong, Zeng, Raymond Jianxiong

“…[Display omitted] •The inhibitions of volatile fatty acids on M. formicicum activities are revealed.•The free acids of FAA, FPA and FBA are key inhibiting…”
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Conversion of syngas (CO and H2) to biochemicals by mixed culture fermentation in mesophilic and thermophilic hollow-fiber membrane biofilm reactors by Shen, Nan, Dai, Kun, Xia, Xiu-Yang, Zeng, Raymond Jianxiong, Zhang, Fang

“…Syngas (CO/H2) fermentation provides an alternative method for organics utilization. The hollow-fiber membrane biofilm reactor (HfMBR) offers a potential way…”
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Impact of dosing order of the coagulant and flocculant on sludge dewatering performance during the conditioning process by Wang, Hou-Feng, Hu, Hao, Wang, Hua-Jie, Zeng, Raymond Jianxiong

“…The combined use of coagulant and flocculant can achieve excellent dewatering performance. In this study, we investigated the impact of dosing order of the…”
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Inhibitory effects of free propionic and butyric acids on the activities of hydrogenotrophic methanogens in mesophilic mixed culture fermentation by Zhang, Wei, Zhang, Fang, Li, Yong-Xin, Jianxiong Zeng, Raymond

“…[Display omitted] •The inhibition of butyrate and propionate on methanogenesis is investigated.•Free propionic acid (FPA) and free butyric acid (FBA) are the…”
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Degradation of organic pollutants by anaerobic methane-oxidizing microorganisms using methyl orange as example by Fu, Liang, Bai, Ya-Nan, Lu, Yong-Ze, Ding, Jing, Zhou, Dandan, Zeng, Raymond Jianxiong

“…[Display omitted] •Degradation of organic contaminant by AOM microbes is first investigated.•High MO concentration inhibits its degradation in the AOM…”
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Enrichment of hydrogen-oxidizing bacteria with nitrate recovery as biofertilizers in the mixed culture by Zhang, Wei, Niu, Yun, Li, Yong-Xin, Zhang, Fang, Jianxiong Zeng, Raymond

“…[Display omitted] •HOB as biofertilizers are successfully enriched with nitrate at HRT of 10 h.•Azospirillum as a reported biofertilizing HOB dominates in…”
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Delineating cathodic extracellular electron transfer pathways in microbial electrosynthesis: Modulation of polarized potential and Pt@C addition by Wang, Yue, Yu, Siyang, Zheng, Xue, Wu, Xiaobing, Pu, Ying, Wu, Gaoying, Chu, Na, He, Xiaohong, Li, Daping, Jianxiong Zeng, Raymond, Jiang, Yong

“…[Display omitted] •Cathodic potential of −1.05 V showed superior catalytic ability than −0.85 V.•H2-mediated cathodic extracellular electron transfer (CEET)…”
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