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Enhanced methane production during long-term UASB operation at high organic loads as enabled by the immobilized

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-021-1505-4

Abstract:

• Fungi enable the constant UASB operation even at OLR of 25.0 kg/(m3×d).

Keywords： Anaerobic digestion     Fungi     Methane production     High OLR     Microbial community    

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propionate-oxidizing microflora and its bioaugmentation on anaerobic wastewater treatment for enhancing methaneproduction and COD removal

Chong Liu, Jianzheng Li, Shuo Wang, Loring Nies

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0856-8

Abstract: Methane yield and COD removal were enhanced by bioaugmentation of microflora B83.Hydrogen-producing acetogensis was a rate-limiting step in methane fermentation.To enhance anaerobic wastewater treatment process for methane production and COD removal, a syntrophicproduction from glucose by 2.5 times.production by COD removal was increased by 2.7 times.

Keywords： Anaerobic wastewater treatment     Methane production     Hydrogen-producing acetogenesis     Methanogenesis     Rate-limiting    

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ALKALINE PRETREATMENT AND AIR MIXING FOR IMPROVEMENT OF METHANE PRODUCTION FROM ANAEROBIC CO-DIGESTION

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 424-436 doi: 10.15302/J-FASE-2023506

Abstract:

● Integration of alkaline pretreatment and air mixing for co-digestion was validated.

Keywords： sodium hydroxide     air injection     cumulative methane yield     kinetic modeling analysis     digestate    

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Production of hydrogen from fossil fuel: A review

Frontiers in Energy 2023, Volume 17, Issue 5,   Pages 585-610 doi: 10.1007/s11708-023-0886-4

Abstract: Production of hydrogen, one of the most promising alternative clean fuels, through catalytic conversionHowever, using noble metals as a catalyst is costly for hydrogen production, thus mandating non-nobleThis paper reviews the various hydrogen production methods from fossil fuels through pyrolysis, partialreforming of methane.To avoid carbon emission, this method of hydrogen production from methane should be integrated with carbon

Keywords： methane     catalytic conversion     natural gas     hydrogen production     CCUS    

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Degradation of polyacrylamide (PAM) and methane production by mesophilic and thermophilic anaerobic digestion

Mona Akbar, Muhammad Farooq Saleem Khan, Ling Qian, Hui Wang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 6, doi: 10.1007/s11783-020-1277-2

Abstract: . • Enhanced methane yield in presence of PAM during thermophilic and mesophilic AD. • PAM degradationFurthermore, it degrades slowly and can deteriorate methane yield during anaerobic digestion (AD).This study mainly focuses on PAM degradation and enhanced methane production from PAM-added sludge duringThe methane yield was almost 230 to 238.4 mL/g VSS on the 8th day in thermophilic AD but was 115.2 toPAM degradation but also boosted the organics release from the sludge with added PAM and gave higher methane

Keywords： Polyacrylamide (PAM) degradation     Acrylamide (AM)     Mesophilic anaerobic digestion     Thermophilic anaerobic digestion     Methaneproduction    

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Impact of food to microorganism ratio and alcohol ethoxylate dosage on methane production in treatment

Yulun Nie, Xike Tian, Zhaoxin Zhou, Yu-You Li

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 6, doi: 10.1007/s11783-017-0947-1

Abstract: The effects of food to microorganism (F/M) ratio and alcohol ethoxylate (AE) dosage on the methane productionThe results indicated that AE had an inhibitory effect to methane production potential (lag-time dependson the AE dosage) and the negative effect attenuated subsequently and methane production could recoverHowever, the methane production potential was considerably decreased when AE was present in wastewaterproduction activity of sludge and methane production potential.

Keywords： Anaerobic membrane bioreactor AnMBR     F/M ratio     Surfactant     Wastewater     Methane production     Influence    

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Thermochemical pretreatment of meat and bone meal and its effect on methane production

Guangxue WU , Zhenhu HU , Mark G. HEALY , Xinmin ZHAN ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 300-306 doi: 10.1007/s11783-009-0031-6

Abstract: The study on the methane (CH) production potential of pretreated MBM shows that the addition of NaOHat 55°C did not cause the inhibition of the succeeding CH production process.However, CH production was inhibited by the addition of NaOH at 131°C.The CH production potential was in the range of 389 to 503mL CH/g VS MBM and 464 to 555

Keywords： thermochemical pretreatment     meat and bone meal     solid reduction     solid solubilization     methane production    

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Optimization of microwave pretreatment of lignocellulosic waste for enhancing methane production: Hyacinth

Bai-Hang Zhao, Jie Chen, Han-Qing Yu, Zhen-Hu Hu, Zheng-Bo Yue, Jun Li

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 6, doi: 10.1007/s11783-017-0965-z

Abstract: The yield of methane per gram of the microwave-irradiated substrate increased by 38.3% as compared toA maximum methane production rate of 0.76 mL·h ·g-sub was obtained by applying PSC= 9.5 g·L and PT=Interactive item coefficient analysis showed that methane production was dependent on the PSC and PT,separately, whereas the interactive effect of the PSC and PT on methane production was not significantThe same trend was also observed for the methane production rate.

Keywords： Microwave pretreatment     Response surface methodology     Methane production     Hyacinth     Anaerobic digestion    

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Theory and practice of integrated pillarless coal production and methane extraction in multiseams of

Yuan liang

Strategic Study of CAE 2009, Volume 11, Issue 5,   Pages 72-80

Abstract:

This thesis, based on innovations and practices of methane drainage inmining district, systematically describes theories and key technologies of integrated pillarless coal productionand methane extraction with "Y"  type ventilation system in multiseams of low permeabilityThrough analyses of deformation, fracturing and failure of rocks around goaf, methane movement and accumulationgoaf edge roadways with innovative fill technologies are developed, and technological innovations in methane

Keywords： coal seams of low-permeability     integrated pillarless     retained roadway     methane     coal production andmethane extraction    

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High-solid anaerobic digestion of sewage sludge: achievements and perspectives

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1364-4

Abstract:

• High-solid anaerobic digestion (HS-AD) of sewage sludge (SS) is overviewed.

Keywords： High-solid effect     Anaerobic fermentation     Methane production     Biodegradability     Sludge treatment    

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Enhanced methane recovery and exoelectrogen-methanogen evolution from low-strength wastewater in an up-flow

Zechong Guo, Lei Gao, Ling Wang, Wenzong Liu, Aijie Wang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 4, doi: 10.1007/s11783-018-1074-3

Abstract:

Methane yield increased 22 times from low-strength wastewater by

Keywords： Low-strength wastewater     Methane production     Conductive filler     Microbial community structure    

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Techno-economic evaluation of a biogas-based oxidative coupling of methane process for ethylene production

Alberto T. Penteado, Mijin Kim, Hamid R. Godini, Erik Esche, Jens-Uwe Repke

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 598-618 doi: 10.1007/s11705-018-1752-5

Abstract: This contribution is a preliminary techno-economic assessment of a biogas-based oxidative coupling of methaneThe activation of methane also enables its utilization as a feedstock to produce chemicals.In this sense, the OCM process allows for the direct conversion of methane into ethylene, which is aof vinasse, a liquid effluent from bioethanol industry, is treated for contaminant removal and its methane

Keywords： biogas conversion     ethylene production     oxidative coupling of methane     feasibility study    

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Dissolved methane in anaerobic effluent: Emission or recovery?

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-022-1537-4

Abstract: However, dissolved methane in anaerobic effluent appears to be a barrier towards the energy and carbonAlthough several dissolved methane recovery methods have been developed, their engineering feasibilityIn this perspective, we thus intend to offer additional insights into the cost-benefit of dissolved methane

Keywords： Anaerobic treatment     Municipal wastewater     Dissolved methane     Methane recovery     Carbon emission    

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Study on Landfill Biogas Generation Model

Huang Wenxiong,Peng Xuya,Yan Li

Strategic Study of CAE 2006, Volume 8, Issue 9,   Pages 74-79

Abstract:

Recovery and utilization of landfill biogas can not only reduce greenhouse effect but recover energy. This article presents the principle and process of landfill biogas generation, and classifies reported models on biogas generation from landfills. Systematic summary and analysis of methodologies, advantages, disadvantages and application conditions, which will provide credible methods for biogas recovery, are put forward also.

Keywords： landfill gas     model     generation rate     gas production     methane    

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USING NUTRITIONAL STRATEGIES TO MITIGATE RUMINAL METHANE EMISSIONS FROM RUMINANTS

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 390-402 doi: 10.15302/J-FASE-2023504

Abstract:

● Microbial fermentation in the rumen is a main source of methane

Keywords： nutritional strategy     mitigation     microbe     methane     ruminant    

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Title Author Date Type Operation

Enhanced methane production during long-term UASB operation at high organic loads as enabled by the immobilized

Journal Article

propionate-oxidizing microflora and its bioaugmentation on anaerobic wastewater treatment for enhancing methaneproduction and COD removal

Chong Liu, Jianzheng Li, Shuo Wang, Loring Nies

Journal Article

ALKALINE PRETREATMENT AND AIR MIXING FOR IMPROVEMENT OF METHANE PRODUCTION FROM ANAEROBIC CO-DIGESTION

Journal Article

Production of hydrogen from fossil fuel: A review

Journal Article

Degradation of polyacrylamide (PAM) and methane production by mesophilic and thermophilic anaerobic digestion

Mona Akbar, Muhammad Farooq Saleem Khan, Ling Qian, Hui Wang

Journal Article

Impact of food to microorganism ratio and alcohol ethoxylate dosage on methane production in treatment

Yulun Nie, Xike Tian, Zhaoxin Zhou, Yu-You Li

Journal Article

Thermochemical pretreatment of meat and bone meal and its effect on methane production

Guangxue WU , Zhenhu HU , Mark G. HEALY , Xinmin ZHAN ,

Journal Article

Optimization of microwave pretreatment of lignocellulosic waste for enhancing methane production: Hyacinth

Bai-Hang Zhao, Jie Chen, Han-Qing Yu, Zhen-Hu Hu, Zheng-Bo Yue, Jun Li

Journal Article

Theory and practice of integrated pillarless coal production and methane extraction in multiseams of

Yuan liang

Journal Article

High-solid anaerobic digestion of sewage sludge: achievements and perspectives

Journal Article

Enhanced methane recovery and exoelectrogen-methanogen evolution from low-strength wastewater in an up-flow

Zechong Guo, Lei Gao, Ling Wang, Wenzong Liu, Aijie Wang

Journal Article

Techno-economic evaluation of a biogas-based oxidative coupling of methane process for ethylene production

Alberto T. Penteado, Mijin Kim, Hamid R. Godini, Erik Esche, Jens-Uwe Repke

Journal Article

Dissolved methane in anaerobic effluent: Emission or recovery?

Journal Article

Study on Landfill Biogas Generation Model

Huang Wenxiong,Peng Xuya,Yan Li

Journal Article

USING NUTRITIONAL STRATEGIES TO MITIGATE RUMINAL METHANE EMISSIONS FROM RUMINANTS

Journal Article