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Sheng CHANG, Jianzheng LI, Feng LIU, Ze YU
《环境科学与工程前沿(英文)》 2012年 第6卷 第6期 页码 901-906 doi: 10.1007/s11783-012-0403-1
关键词: batch fermentation hydrogen production biogas releasing hydrogen pressure homoacetogenesis
Ductility loss of hydrogen-charged and releasing 304L steel
Yanfei WANG, Jianming GONG, Yong JIANG, Wenchun JIANG, Wang JIANG
《机械工程前沿(英文)》 2013年 第8卷 第3期 页码 298-304 doi: 10.1007/s11465-013-0265-7
The mechanical properties and fracture behavior of 304L austenitic stainless steel after cathodic hydrogen charging and hydrogen spontaneously releasing are investigated by tensile tests. Flat tensile specimens were cathodic hydrogen charged at various current densities. For each density, two specimens were charged at the same condition. When the charging process completed, one specimen was tensile immediately to fracture and the other was aged to release the hydrogen out of it and then was also tensile to fracture. The resulting tensile properties and micrographs of fracture surfaces of these specimens were evaluated and compared. The results show ductility loss occurred in the hydrogen-charged specimens and the loss increased as the current density increasing. After hydrogen releasing, the specimens recovered a certain extent but not all of its original ductility. Scanning electron microscope (SEM) micrographs of fracture surfaces reveal that irreversible damage had developed in the hydrogen-releasing specimens during the releasing process rather than the charging process. This consequence can be ascribed to the high tensile stress caused by non-uniform hydrogen distribution during hydrogen releasing.
关键词: hydrogen embrittlement ductility loss hydrogen releasing control strategy 304L austenitic stainless steel
Dehydration of natural gas and biogas streams using solid desiccants: a review
Soheil Bahraminia, Mansoor Anbia, Esmat Koohsaryan
《化学科学与工程前沿(英文)》 2021年 第15卷 第5期 页码 1050-1074 doi: 10.1007/s11705-020-2025-7
关键词: natural gas biogas dehydration adsorption solid desiccant
Distribution of PCDD/Fs in a food waste anaerobic digestion process with biogas utilization
《环境科学与工程前沿(英文)》 2023年 第17卷 第11期 doi: 10.1007/s11783-023-1736-7
● The PCDD/F distribution patterns of the FW-AD process were investigated.
关键词: Biological treatment MSW classification Mass balance Solid digestate
《环境科学与工程前沿(英文)》 2023年 第17卷 第3期 doi: 10.1007/s11783-023-1632-1
● NH3 in biogas had a slight inhibitory effect on dry reforming.
关键词: Biogas Dry reforming Sulfur poisoning Ammonia Synergetic effect Hydrogen
Alberto T. Penteado, Mijin Kim, Hamid R. Godini, Erik Esche, Jens-Uwe Repke
《化学科学与工程前沿(英文)》 2018年 第12卷 第4期 页码 598-618 doi: 10.1007/s11705-018-1752-5
This contribution is a preliminary techno-economic assessment of a biogas-based oxidative coupling of methane (OCM) process. Biogas is frequently utilized as a renewable energy source within small scale combined heat and power plants or as a natural gas substitute. The 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 a major building block for the chemical and polymer industries. Biogas resulting from the anaerobic digestion of vinasse, a liquid effluent from bioethanol industry, is treated for contaminant removal and its methane content is converted into ethylene, which is then purified as the main product. The biogas cleaning process is assessed based on literature data, while an experimentally validated simulation model is used to assess the OCM process. A techno-economic evaluation is then performed through a Monte Carlo simulation, wherein uncertain parameters take random values between reasonable bounds. The net present value results positive in 74% of the cases, indicating that the project is profitable under a wide range of scenarios. Some performance improvement opportunities have been identified and highlighted to guide future studies in the topic.
关键词: biogas conversion ethylene production oxidative coupling of methane feasibility study
《农业科学与工程前沿(英文)》 2023年 第10卷 第3期 页码 468-478 doi: 10.15302/J-FASE-2022473
● Simultaneous H2S and CO2 removal from biogas is studied.
关键词: biomethane biogas purification CO2 removal H2S removal membrane absorption
Techno-economic assessment of providing control energy reserves with a biogas plant
Ervin Saracevic, David Woess, Franz Theuretzbacher, Anton Friedl, Angela Miltner
《化学科学与工程前沿(英文)》 2018年 第12卷 第4期 页码 763-771 doi: 10.1007/s11705-018-1776-x
Grid stability is being challenged by the increasing integration of power plants with volatile power generation into the energy system. Power supply fluctuations must be compensated by energy system flexibility. The storability of the energy carrier enables biogas plants to generate power flexibly. In this study, the technical and economic effects of providing positive secondary control energy reserves with an Austrian biogas plant were assessed. The plant’s main focus lies in biomethane production with the option of heat and power generation through combined heat and power (CHP) units. A detailed simulation model of the investigated biogas plant was developed, which is presented in this work. Ex-post simulations of one year of flexible plant operation were conducted with this model. The findings show that the installed biogas storage capacity is sufficient to provide control energy reserves while simultaneously producing biomethane. Profitability of providing control energy reserves largely depends on the prices at the control energy market and on CHP unit start-up costs. A cost efficiency analysis demonstrated that investing in a hot water tank with a volume of 5 m3 for short-term heat storage turned out to be economically viable.
关键词: biogas plant process simulation control energy reserves economic assessment gas storage
Biogas and its opportunities—A review
Panagiotis G. Kougias, Irini Angelidaki
《环境科学与工程前沿(英文)》 2018年 第12卷 第3期 doi: 10.1007/s11783-018-1037-8
关键词: Anaerobic digestion Biogas Biowastes Solid waste Manure Industrial waste
沈旺,俞建群,顾庆华,毛优达
《中国工程科学》 2010年 第12卷 第7期 页码 4-7
介绍了悬索桥主缆单元索股放索时,针对水平收放索技术的一种被动式智能放索装置的设计原理、组装和试验,以及在使用此智能放索装置后,主缆单元索股放索质量的提高。
产氧缝合线介导的氧气全层渗透用于促进移植皮肤的存活 Article
宰文静, 袁雨浓, 康琳, 许加龙, 胡一桥, 康立峰, 吴锦慧
《工程(英文)》 2023年 第29卷 第10期 页码 83-94 doi: 10.1016/j.eng.2023.05.006
全厚皮肤移植对于重建皮肤屏障、促进伤口愈合至关重要,充足的氧气供给与皮肤移植的成功密切相关。然而,全厚皮肤的氧气递送受限于皮肤对氧气的低渗透性。在本篇文章中,构建了产氧缝合线用于促进全厚皮肤的氧气渗透。在皮肤模型的15 mm厚度处,产氧缝合线递送的氧气量是局部气态氧疗的100倍以上。在极端乏氧(< 0.5% O2,v/v)环境下,产氧缝合线可以促进内皮细胞增殖。通过小鼠自体皮瓣移植实验发现,产氧缝合线帮助恢复血液再灌注、促进移植皮肤的存活。产氧缝合线有望在临床中被使用,促进全厚皮肤移植的成功。
Jie Liao, Chaoxiang Liu, Lin Liu, Jie Li, Hongyong Fan, Jiaqi Ye, Zhichao Zeng
《环境科学与工程前沿(英文)》 2019年 第13卷 第3期 doi: 10.1007/s11783-019-1115-6
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.
关键词: Aerobic granules Swine wastewater Tetracyclines Fluoroquinolones Sulfonamides
Recent development in biogeotechnology and its engineering applications
《结构与土木工程前沿(英文)》 2021年 第15卷 第5期 页码 1073-1096 doi: 10.1007/s11709-021-0758-0
关键词: biogeotechnology biocementation bioclogging biogas strength enhancement liquefaction mitigation seepage control
通过厌氧分批处理香蕉皮提高沼气产量 Article
Spyridon Achinas, Janneke Krooneman, Gerrit Jan Willem Euverink
《工程(英文)》 2019年 第5卷 第5期 页码 970-978 doi: 10.1016/j.eng.2018.11.036
废物处置和能源危机是大多数国家面临的重要挑战。水果加工业每天产生数吨废物,其中大部分来自香蕉农场。厌氧消化(AD)技术已被应用于废水、污泥、食物垃圾和农业剩余物的处理,其主要目的是生产能源和消除废物。本研究探讨有机负荷(OL)和牛粪(CM)添加对处理香蕉皮废料(BPW)时AD性能的影响。在OL为每升18 g和22 g挥发性固体(gvs)时,CM含量为10%、20%和30%的香蕉皮(BP)每日最大沼气产量分别为50.20 mL·gvs–1、48.66 mL·gvs–1、62.78 mL·gvs–1和40.49 mL·gvs–1、29.57 mL·gvs–1、46.54 mL·gvs–1。然而,每日沼气产量与OL或CM含量没有明显的相关性。此外,动力学分析表明,一阶模型和锥体模型的动力学参数受工艺参数的影响。
标题 作者 时间 类型 操作
Effect of different gas releasing methods on anaerobic fermentative hydrogen production in batch cultures
Sheng CHANG, Jianzheng LI, Feng LIU, Ze YU
期刊论文
Ductility loss of hydrogen-charged and releasing 304L steel
Yanfei WANG, Jianming GONG, Yong JIANG, Wenchun JIANG, Wang JIANG
期刊论文
Dehydration of natural gas and biogas streams using solid desiccants: a review
Soheil Bahraminia, Mansoor Anbia, Esmat Koohsaryan
期刊论文
Influence of HS and NH on biogas dry reforming using Ni catalyst: a study on single and synergetic effect
期刊论文
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
期刊论文
VALORIZATION OF BIOGAS THROUGH SIMULTANEOUS CO AND HS REMOVAL BY RENEWABLE AQUEOUS AMMONIA SOLUTION IN
期刊论文
Techno-economic assessment of providing control energy reserves with a biogas plant
Ervin Saracevic, David Woess, Franz Theuretzbacher, Anton Friedl, Angela Miltner
期刊论文
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
期刊论文