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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 couplingBiogas is frequently utilized as a renewable energy source within small scale combined heat and powerIn this sense, the OCM process allows for the direct conversion of methane into ethylene, which is aBiogas resulting from the anaerobic digestion of vinasse, a liquid effluent from bioethanol industry,The biogas cleaning process is assessed based on literature data, while an experimentally validated simulation

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

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Dehydration of natural gas and biogas streams using solid desiccants: a review

Soheil Bahraminia, Mansoor Anbia, Esmat Koohsaryan

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1050-1074 doi: 10.1007/s11705-020-2025-7

Abstract: Natural gas and biogas are two mixtures that consist of methane as their main component.

Keywords： natural gas     biogas     dehydration     adsorption     solid desiccant    

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Distribution of PCDD/Fs in a food waste anaerobic digestion process with biogas utilization

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 11, doi: 10.1007/s11783-023-1736-7

Abstract:

● The PCDD/F distribution patterns of the FW-AD process were investigated.

Keywords： Biological treatment     MSW classification     Mass balance     Solid digestate    

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Analysis of the large farms biogas projects—take the Beijing Deqingyuan Biogas

Pan Wenzhi

Strategic Study of CAE 2011, Volume 13, Issue 2,   Pages 40-43

Abstract:

Combining the large and medium scale biogas project at home and abroad, taking the Beijing Deqingyuan Biogas Project as an example, the process that can turn the rural wasteCombining with existing problems of biogas project, several recommendations to make the large and mediumbiogas project to be standardization were also put foward.

Keywords： biogas project     Deqingyuan Biogas Project     core technology     prospects and advises    

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Influence of HS and NH on biogas dry reforming using Ni catalyst: a study on single and synergetic effect

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1632-1

Abstract:

● NH3 in biogas had a slight inhibitory effect on dry

Keywords： Biogas     Dry reforming     Sulfur poisoning     Ammonia     Synergetic effect     Hydrogen    

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VALORIZATION OF BIOGAS THROUGH SIMULTANEOUS CO AND HS REMOVAL BY RENEWABLE AQUEOUS AMMONIA SOLUTION IN

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 468-478 doi: 10.15302/J-FASE-2022473

Abstract:

● Simultaneous H2S and CO2 removal from biogas

Keywords： biomethane     biogas purification     CO2 removal     H2S removal     membrane absorption    

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Techno-economic assessment of providing control energy reserves with a biogas plant

Ervin Saracevic, David Woess, Franz Theuretzbacher, Anton Friedl, Angela Miltner

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 763-771 doi: 10.1007/s11705-018-1776-x

Abstract: The storability of the energy carrier enables biogas plants to generate power flexibly.technical and economic effects of providing positive secondary control energy reserves with an Austrian biogasA detailed simulation model of the investigated biogas plant was developed, which is presented in thisThe findings show that the installed biogas storage capacity is sufficient to provide control energy

Keywords： biogas plant     process simulation     control energy reserves     economic assessment     gas storage    

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Biogas and its opportunities—A review

Panagiotis G. Kougias, Irini Angelidaki

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 3, doi: 10.1007/s11783-018-1037-8

Abstract: Biogas production is a well-established technology primarily for the generation of renewable energy andBiogas is the end product of a biological mediated process, the so called anaerobic digestion, in whichNowadays, the biogas sector is rapidly growing and novel achievements create the foundation for constitutingbiogas plants as advanced bioenergy factories.Moreover, a historical retrospective of biogas sector from the early years of its development till its

Keywords： Anaerobic digestion     Biogas     Biowastes     Solid waste     Manure     Industrial waste    

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Hydrogel photocatalysts for efficient energy conversion and environmental treatment

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 577-595 doi: 10.1007/s11708-021-0756-x

Abstract: Moreover, current applications of hydrogel photocatalysts in energy conversion and environmental remediation

Keywords： hydrogel     photocatalysts     energy conversion     environmental treatment    

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Biological conversion pathways of sulfate reduction ammonium oxidation in anammox consortia

Zhen Bi, Deqing Wanyan, Xiang Li, Yong Huang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-019-1217-1

Abstract: AOB and AnAOB are mainly responsible for ammonium conversion.Heterotrophic sulfate reduction mainly contributed to sulfate conversion.Results obtained differed largely for the conversion mole ratios (ammonium/sulfate), and even the intermediateThus, the hypothesis of biological conversion pathways of ammonium and sulfate in anammox consortia isdifferent biomass proportions to verify the SRAO phenomena and identify possible pathways behind substrate conversion

Keywords： Anammox bacteria     Autotrophic     Biological conversion     Sulfate reducing ammonium oxidation (SRAO)    

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Sustainable conversion regenerated cellulose into cellulose oleate by sonochemistry

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8,   Pages 1096-1108 doi: 10.1007/s11705-023-2317-9

Abstract: Derivatization has great potential for the high-value utilization of cellulose by enhancing its processability and functionality. However, due to the low reactivity of natural cellulose, it remains challenging to rapidly prepare cellulose derivatives with high degrees of substitution. The “cavitation effect” of ultrasound can reduce the particle size and crystalline index of cellulose, which provides a possible method for preparing cellulose derivatives. Herein, a feasible method was proposed for efficiently converting regenerated cellulose to cellulose oleate with the assistance of ultrasonic treatment. By adjusting the reaction conditions including ultrasonic intensity, feeding ratios of oleic acid, reaction time, and reaction solvent, a series of cellulose oleates with degrees of substitution ranging from 0.37 to 1.71 were synthesized. Additionally, the effects of different reaction conditions on the chemical structures, crystalline structures, and thermal behaviors were investigated thoroughly. Cellulose oleates with degrees of substitution exceeding 1.23 exhibited amorphous structures and thermoplasticity with glass transition temperatures at 159.8 to 172.6 °C. This study presented a sustainable and practicable method for effectively derivatizing cellulose.

Keywords： regenerated cellulose     cellulose oleate     sonochemistry     degree of substitution     thermoplasticity    

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Dynamic contribution of variable-speed wind energy conversion system in system frequency regulation

Yajvender Pal VERMA, Ashwani KUMAR

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 184-192 doi: 10.1007/s11708-012-0185-y

Abstract: Frequency regulation in a generation mix having large wind power penetration is a critical issue, as wind units isolate from the grid during disturbances with advanced power electronics controllers and reduce equivalent system inertia. Thus, it is important that wind turbines also contribute to system frequency control. This paper examines the dynamic contribution of doubly fed induction generator (DFIG)-based wind turbine in system frequency regulation. The modified inertial support scheme is proposed which helps the DFIG to provide the short term transient active power support to the grid during transients and arrests the fall in frequency. The frequency deviation is considered by the controller to provide the inertial control. An additional reference power output is used which helps the DFIG to release kinetic energy stored in rotating masses of the turbine. The optimal speed control parameters have been used for the DFIG to increases its participation in frequency control. The simulations carried out in a two-area interconnected power system demonstrate the contribution of the DFIG in load frequency control.

Keywords： doubly fed induction generator (DFIG)     load frequency control     inertial control     wind energy conversion    

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time on behavior of antibiotics and antibiotic resistance genes in aerobic granular reactor treating biogas

Jie Liao, Chaoxiang Liu, Lin Liu, Jie Li, Hongyong Fan, Jiaqi Ye, Zhichao Zeng

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 3, doi: 10.1007/s11783-019-1115-6

Abstract:

Longer HRT can enhance degradation rate of sulfamethoxazole in granular reactor.

Longer HRT can reduce accumulated concentrations of TCs and QNs in sludge.

Longer HRT may have increased relative abundances of ARGs in aerobic granules.

Keywords： Aerobic granules     Swine wastewater     Tetracyclines     Fluoroquinolones     Sulfonamides    

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Recent development in biogeotechnology and its engineering applications

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1073-1096 doi: 10.1007/s11709-021-0758-0

Abstract: present, most of the methods can be categorized into three major types, biocementation, bioclogging, and biogas

Keywords： biogeotechnology     biocementation     bioclogging     biogas     strength enhancement     liquefaction mitigation    

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Micro/nanofluidics-enabled energy conversion and its implemented devices

Yang YANG, Jing LIU

Frontiers in Energy 2011, Volume 5, Issue 3,   Pages 270-287 doi: 10.1007/s11708-010-0126-6

Abstract: The fluids in nature serve as the most common carriers and media in the energy conversion process.Following the rapid development of microelectromechanical systems (MEMS) technology, the energy supply and conversionIn this paper, a series of micro/nanofluid-enabled energy conversion devices is reviewed based on theto the establishment of a comprehensive and systematic structure in the relationship between energy conversion

Keywords： micro/nanofluid     different energy forms     energy conversion     medium role    

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Title Author Date Type Operation

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

Dehydration of natural gas and biogas streams using solid desiccants: a review

Soheil Bahraminia, Mansoor Anbia, Esmat Koohsaryan

Journal Article

Distribution of PCDD/Fs in a food waste anaerobic digestion process with biogas utilization

Journal Article

Analysis of the large farms biogas projects—take the Beijing Deqingyuan Biogas

Pan Wenzhi

Journal Article

Influence of HS and NH on biogas dry reforming using Ni catalyst: a study on single and synergetic effect

Journal Article

VALORIZATION OF BIOGAS THROUGH SIMULTANEOUS CO AND HS REMOVAL BY RENEWABLE AQUEOUS AMMONIA SOLUTION IN

Journal Article

Techno-economic assessment of providing control energy reserves with a biogas plant

Ervin Saracevic, David Woess, Franz Theuretzbacher, Anton Friedl, Angela Miltner

Journal Article

Biogas and its opportunities—A review

Panagiotis G. Kougias, Irini Angelidaki

Journal Article

Hydrogel photocatalysts for efficient energy conversion and environmental treatment

Journal Article

Biological conversion pathways of sulfate reduction ammonium oxidation in anammox consortia

Zhen Bi, Deqing Wanyan, Xiang Li, Yong Huang

Journal Article

Sustainable conversion regenerated cellulose into cellulose oleate by sonochemistry

Journal Article

Dynamic contribution of variable-speed wind energy conversion system in system frequency regulation

Yajvender Pal VERMA, Ashwani KUMAR

Journal Article

time on behavior of antibiotics and antibiotic resistance genes in aerobic granular reactor treating biogas

Jie Liao, Chaoxiang Liu, Lin Liu, Jie Li, Hongyong Fan, Jiaqi Ye, Zhichao Zeng

Journal Article

Recent development in biogeotechnology and its engineering applications

Journal Article

Micro/nanofluidics-enabled energy conversion and its implemented devices

Yang YANG, Jing LIU

Journal Article