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Nitrogen removal 4

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Simultaneous saccharification and fermentation of wheat bran flour into ethanol using coculture of amylotic

K. Manikandan, T. Viruthagiri

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 3,   Pages 240-249 doi: 10.1007/s11705-009-0205-6

Abstract: Studies on simultaneous saccharification and fermentation (SSF) of wheat bran flour, a grain millingcarried out with strains of starch digesting and nonstarch digesting and sugar fermenting in batch fermentationand enzyme concentration were found to be 200 g/L, 5.5, 65°C and 7.5 IU, respectively, in the starch saccharification( / ) initial starch concentration gave the highest ethanol concentration of 23.1 g/L after 48 h of fermentationSimultaneous saccharificiation and fermentation of liquefied wheat bran starch to bioethanol was studied

Keywords： simultaneous saccharification and fermentation (SSF)     starch     coculture fermentation     statistical experimental    

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Simultaneous saccharification and fermentation of sweet potato powder for the production of ethanol under

Yinxiu CAO, Hongchi TIAN, Kun YAO, Yingjin YUAN

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 318-324 doi: 10.1007/s11705-010-1026-3

Abstract: Very high gravity (VHG) technology is an effective strategy for improving the efficiency of ethanol fermentationAfter liquefaction and simultaneous saccharification and fermentation (SSF), the final ethanol concentration

Keywords： bioethanol     sweet potato     very high gravity     viscosity reduction     simultaneous saccharification and fermentation    

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Study of simultaneous saccharification and fermentation for steam exploded wheat straw to ethanol

LUO Peng, YANG Chuanmin, LIU Zhong, WANG Gaosheng

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 4,   Pages 447-451 doi: 10.1007/s11705-008-0069-1

Abstract: Although simultaneous saccharification and fermentation (SSF) has been investigated extensively, theThe effects of reaction temperature, substrate concentration, initial fermentation liquid pH value andaffecting factors to ethanol concentration and yield was substrate concentration, enzyme loading, initial fermentationoptimal SSF conditions were: reaction temperature, 35°C; substrate concentration, 100 g·L; initial fermentation

Keywords： optimal SSF     substrate concentration     optimum condition     enzyme loading     ethanol concentration    

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The role of lipids in fermentative propionate production from the co-fermentation of lipid and food waste

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 7, doi: 10.1007/s11783-023-1686-0

Abstract:

● Lipid can promote PA production on a target from food waste.

Keywords： Acidogenic fermentation     Microbial community     Volatile fatty acid     Propionate     Food waste     Lipid    

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Process synthesis with simultaneous consideration of inherent safety-inherent risk footprint

Andreja Nemet, Jiří J. Klemeš, Zdravko Kravanja

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 745-762 doi: 10.1007/s11705-018-1779-7

Abstract:

Process plants should be designed to be economically viable and environmentally friendly, while also being operable and maintainable during process implementation. The safety of processes is among the most important considerations in obtaining results that are more acceptably realistic, as it is linked to the availability and reliability of the process. Inherent safety can effectively be enhanced in the early stages of the design, when the main decisions on process design are made. The aim of this study is to enhance and select the appropriate risk assessment method and to incorporate it into process synthesis, using a mathematical programming approach. A mixed-integer, nonlinear programming (MINLP) model was used for the synthesis of a methanol production process, considering risk assessment during the synthesis. Risk assessment is performed simultaneously with the MINLP process synthesis, where the risk is determined either for the whole process as overall risk, or on a per unit-of-a-product basis. For the latter, a new measurement is proposed: the inherent risk footprint. The results of a case study led to two main conclusions: (i) Significantly safer designs can be obtained at negligible economic expense, and (ii) at higher production capacities, a lower inherent risk footprint can be achieved. The results also indicate that designs obtained using this method can have significantly increased inherent safety, while remaining economically viable.

Keywords： inherent safety     process design     simultaneous risk assessment     risk footprint     methanol process    

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Repeated batch fermentation with water recycling and cell separation for microbial lipid production

Yumei WANG, Wei LIU, Jie BAO

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 453-460 doi: 10.1007/s11705-012-1210-8

Abstract: Large waste water disposal was the major problem in microbial lipid fermentation because of low yieldIn this study, the repeated batch fermentation was investigated for reducing waste water generated inthe lipid fermentation of an oleaginous yeast CX1 strain.The waste fermentation broth was recycled in the next batch operation after the cells were separatedOur method provided a practical option for reducing the waste water generated from microbial lipid fermentation

Keywords： batch fermentation     microbial lipid     Trichosporon cutaneum CX1     flocculation     waste water    

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Biological hydrogen production from organic wastewater by dark fermentation in China: Overview and prospects

Nanqi REN, Wanqian GUO, Bingfeng LIU, Guangli CAO, Jing TANG

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 4,   Pages 375-379 doi: 10.1007/s11783-009-0148-7

Abstract: Biological hydrogen production by dark fermentation is an important part of biological hydrogen productionMoreover, some prospecting coupling processes with dark fermentation of hydrogen production were also

Keywords： biological hydrogen production     dark fermentation     overview     prospects    

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Purification and crystallization of xylitol from fermentation broth of corncob hydrolysates

Jinchao WEI, Qipeng YUAN, Tianxin WANG, Le WANG,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 1,   Pages 57-64 doi: 10.1007/s11705-009-0295-1

Abstract: In our paper, the purification and crystallization of xylitol fermentation broth by biotechnology usingAn initial xylitol fermentation broth was decolored with activated carbon (1% M-1, 60°C, 165tetrahedral shape with purity 95% and crystallization yield 60.2% was obtained from the clarified xylitol fermentationintact, economical and environmental-friendly route of purification and crystallization of xylitol from fermentation

Keywords： ion-exchange     activated     supersaturation     tetrahedral     substitute    

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Evaluating the impact of sulfamethoxazole on hydrogen production during dark anaerobic sludge fermentation

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 1, doi: 10.1007/s11783-023-1607-2

Abstract:

● SMX promotes hydrogen production from dark anaerobic sludge fermentation

Keywords： Sulfamethoxazole     Hydrogen production     Dark anaerobic fermentation     Waste activated sludge    

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Biological pretreatment of corn stover by solid state fermentation of

Jian ZHANG, Xin REN, Wenqun CHEN, Jie BAO

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 2,   Pages 146-151 doi: 10.1007/s11705-012-1220-6

Abstract: Solid state fermentation of corn stover with the white-rot fungus was carried out and the efficiencybiologically pretreated for nine days, and the hydrolysis yield decreased sharply if the solid state fermentation

Keywords： biological pretreatment     Phanerochaete chrysosporium     solid state fermentation     biorecalcitrance    

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Highly effective extraction of oil from soybean by pretreatment of solid-state fermentation with fungi

Xiaojuan NIU, Shuyi QIU, Yuangen WU, Jie YUAN, Yingying XU

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 122-125 doi: 10.1007/s11705-010-0533-6

Abstract: In the same fermentation conditions, the maximum oil yield extracted from substrate prefermented byThe quality of soybean oil was not changed obviously by the pretreatment of fermentation with fungi.

Keywords： soybean     Aspergillus niger     Aspergillus flavus     solid-state fermentation    

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efficiency of nitrogen removing bacterial population to a wide range of C:N ratio (1.5:1 to 14:1) for simultaneous

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1522-y

Abstract:

• Simultaneous C & N removal in Methammox occurs at wide C:N ratio.

Keywords： Methanogens     Biological Nitrogen Removal (BNR)     Simultaneous     Methammox     C:N ratio    

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Detoxification and concentration of corn stover hydrolysate and its fermentation for ethanol production

Qing Li, Yingjie Qin, Yunfei Liu, Jianjun Liu, Qing Liu, Pingli Li, Liqiang Liu

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 1,   Pages 140-151 doi: 10.1007/s11705-018-1714-y

Abstract: Thus the fermentation of glucose from sulfuric acid-hydrolyzed corn stover for the production of bioethanolseparation of the sugars and acids from the acid-catalyzed hydrolysate, the removal of most of the fermentation

Keywords： corn stover     hydrolysate     acid retardation     continuous-effect membrane distillation     ethanol fermentation    

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Strain and process engineering toward continuous industrial fermentation

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1336-1353 doi: 10.1007/s11705-022-2284-6

Abstract: Most current biotechnology industries are based on batch or fed-batch fermentation processes, which oftenTo increase the economic competitiveness of biological processes, continuous fermentation technologiesare being developed that offer significant advantages in comparison with batch/fed-batch fermentationHowever, several key challenges should be addressed for the industrial application of continuous fermentationprocesses, including (1) contamination of the fermentation system, (2) degeneration of strains, and

Keywords： continuous fermentation     productivity     contamination     strain degeneration     metabolic engineering    

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Co-fermentation of waste activated sludge with food waste for short-chain fatty acids production: effect

Leiyu FENG, Yuanyuan YAN, Yinguang CHEN

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 623-632 doi: 10.1007/s11783-011-0334-2

Abstract: Effect of pH ranging from 4.0 to 11.0 on co-fermentation of waste activated sludge (WAS) with food wasteThe SCFAs production at pH 6.0, 7.0, 8.0, and 9.0 and fermentation time of 4 d was respectively 5022.7The influence of pH on the variations of nutrient content was also studied during anaerobic fermentationThe release of increased with fermentation time at all pH values investigated except 4.0, 5.0 and inAmmonia and phosphorus need to be removed before the SCFAs-enriched fermentation liquid from WAS and

Keywords： waste activated sludge (WAS)     food waste     co-fermentation     short-chain fatty acids (SCFAs)     pH     synergistic    

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Title Author Date Type Operation

Simultaneous saccharification and fermentation of wheat bran flour into ethanol using coculture of amylotic

K. Manikandan, T. Viruthagiri

Journal Article

Simultaneous saccharification and fermentation of sweet potato powder for the production of ethanol under

Yinxiu CAO, Hongchi TIAN, Kun YAO, Yingjin YUAN

Journal Article

Study of simultaneous saccharification and fermentation for steam exploded wheat straw to ethanol

LUO Peng, YANG Chuanmin, LIU Zhong, WANG Gaosheng

Journal Article

The role of lipids in fermentative propionate production from the co-fermentation of lipid and food waste

Journal Article

Process synthesis with simultaneous consideration of inherent safety-inherent risk footprint

Andreja Nemet, Jiří J. Klemeš, Zdravko Kravanja

Journal Article

Repeated batch fermentation with water recycling and cell separation for microbial lipid production

Yumei WANG, Wei LIU, Jie BAO

Journal Article

Biological hydrogen production from organic wastewater by dark fermentation in China: Overview and prospects

Nanqi REN, Wanqian GUO, Bingfeng LIU, Guangli CAO, Jing TANG

Journal Article

Purification and crystallization of xylitol from fermentation broth of corncob hydrolysates

Jinchao WEI, Qipeng YUAN, Tianxin WANG, Le WANG,

Journal Article

Evaluating the impact of sulfamethoxazole on hydrogen production during dark anaerobic sludge fermentation

Journal Article

Biological pretreatment of corn stover by solid state fermentation of

Jian ZHANG, Xin REN, Wenqun CHEN, Jie BAO

Journal Article

Highly effective extraction of oil from soybean by pretreatment of solid-state fermentation with fungi

Xiaojuan NIU, Shuyi QIU, Yuangen WU, Jie YUAN, Yingying XU

Journal Article

efficiency of nitrogen removing bacterial population to a wide range of C:N ratio (1.5:1 to 14:1) for simultaneous

Journal Article

Detoxification and concentration of corn stover hydrolysate and its fermentation for ethanol production

Qing Li, Yingjie Qin, Yunfei Liu, Jianjun Liu, Qing Liu, Pingli Li, Liqiang Liu

Journal Article

Strain and process engineering toward continuous industrial fermentation

Journal Article

Co-fermentation of waste activated sludge with food waste for short-chain fatty acids production: effect

Leiyu FENG, Yuanyuan YAN, Yinguang CHEN

Journal Article