GOALI: Boosting granulation and performance of upflow anaerobic sludge blanket reactor: Significance of direct interspecies electron transfer
目标:提高上流式厌氧污泥床反应器的颗粒化和性能:直接种间电子转移的意义
基本信息
- 批准号:1706889
- 负责人:
- 金额:$ 29.72万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2017
- 资助国家:美国
- 起止时间:2017-08-15 至 2022-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
PI Name: Haluk BeyenalProposal Number: 1706889 Upflow anaerobic sludge blanket (UASB) reactors are used commercially in the conversion of high-strength organic wastes to methane. Despite their success, UASB reactors still suffer from long start-up times, incomplete substrate removal, and impurity of the produced biogas. Most of the biological reactions in UASB reactors happen at the sludge granules. There is limited knowledge of the microscale biological and electron transfer processes in granules, and it is currently difficult to control electron transfer processes to improve granulation and substrate conversion to methane in the UASB reactor. The PIs will focus on understanding electron transfer processes in granules using unique research tools and techniques developed by their research group in addition to environmental microbiology and electrochemical techniques. The project will involve undergraduate and graduate students in research and prepare them for careers in the fields of microbioelectrochemistry and anaerobic digestion. The goals of this project are to quantify the electron transfer rates and determine the electron transfer mechanisms in granules using novel techniques. The PIs will use this knowledge to improve performance of microbial communities in granules and to develop innovative bioelectrochemical anaerobic digesters. They plan to use microelectrodes capable of spatially quantifying the microscale chemical gradients, conductivity, and extracellular electron transfer rates within granules, and they will use electrochemical techniques to enrich and qualify electrogenic organisms for the UASB reactors. To achieve these goals, they will 1) determine the electron transfer mechanisms in anaerobic methanogenic granules by quantifying and spatially mapping conductivity and chemical gradients and identifying the role of microbial populations, 2) evaluate the contribution of conductive material in the electron transfer processes and performance of UASB reactors, and 3) develop a novel integrated bioelectrochemical reactor/UASB reactor. The knowledge gained from the successful completion of the project will have an immediate impact on the biogas yields and sustainability of the UASB reactors and will be applicable to new and existing anaerobic digester technology. The PIs plan to disseminate their research to industry through a collaborating company, which will provide internships for undergraduate and graduate students. Interaction with the industrial partner will help promote commercialization of the bioelectrochemical digester technology.
PI名称:Haluk Beyenal建议编号:1706889上流式厌氧污泥床(UASB)反应器用于将高强度有机废物转化为甲烷。尽管UASB反应器取得了成功,但它们仍然存在启动时间长、底物去除不彻底以及产生的沼气杂质等问题。UASB反应器中的大部分生物反应发生在污泥颗粒中。对颗粒中的微尺度生物和电子转移过程的了解有限,目前很难控制电子转移过程来改善UASB反应器中的颗粒化和基质向甲烷的转化。除了环境微生物学和电化学技术外,PI还将专注于使用他们的研究小组开发的独特研究工具和技术来了解颗粒中的电子转移过程。该项目将让本科生和研究生参与研究,并为他们在微生物电化学和厌氧消化领域的职业生涯做好准备。这个项目的目标是量化电子转移速率,并使用新技术确定颗粒中的电子转移机制。PIS将利用这一知识来改善颗粒中微生物群落的性能,并开发创新的生物电化学厌氧消化器。他们计划使用能够在空间上量化颗粒内微尺度化学梯度、电导率和细胞外电子转移速率的微电极,并将使用电化学技术来丰富和鉴定UASB反应器的生电微生物。为了实现这些目标,他们将1)通过量化和空间绘制电导率和化学梯度以及确定微生物种群的作用来确定厌氧产甲烷颗粒污泥中的电子传递机制,2)评估导电材料在UASB反应器电子传递过程和性能中的贡献,以及3)开发一种新型的一体化生物电化学反应器/UASB反应器。从该项目的成功完成中获得的知识将对UASB反应器的沼气产量和可持续性产生直接影响,并将适用于新的和现有的厌氧消化池技术。PIS计划通过一家合作公司向业界传播他们的研究成果,该公司将为本科生和研究生提供实习机会。与工业伙伴的互动将有助于促进生物电化学消化池技术的商业化。
项目成果
期刊论文数量(11)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Enhanced bioelectrochemical nitrogen removal in flow through electrodes
- DOI:10.1016/j.seta.2021.101507
- 发表时间:2021-10
- 期刊:
- 影响因子:8
- 作者:Secil Tutar Oksuz;H. Beyenal
- 通讯作者:Secil Tutar Oksuz;H. Beyenal
Electrochemically Active Biofilms as an Indicator of Soil Health
- DOI:10.1149/1945-7111/ac1e56
- 发表时间:2021-08
- 期刊:
- 影响因子:3.9
- 作者:A. Mohamed;E. Sanchez;Natalie Sanchez;M. Friesen;H. Beyenal
- 通讯作者:A. Mohamed;E. Sanchez;Natalie Sanchez;M. Friesen;H. Beyenal
Biofilm matrix and artificial mediator for efficient electron transport in CO2 microbial electrosynthesis
- DOI:10.1016/j.cej.2021.131885
- 发表时间:2022
- 期刊:
- 影响因子:15.1
- 作者:Y. Song;A. Mohamed;Changman Kim;Min‐Soo Kim;Shuwei Li;E. Sundstrom;H. Beyenal;J. R. Kim
- 通讯作者:Y. Song;A. Mohamed;Changman Kim;Min‐Soo Kim;Shuwei Li;E. Sundstrom;H. Beyenal;J. R. Kim
Effect of electrode spacing on electron transfer and conductivity of Geobacter sulfurreducens biofilms
电极间距对硫还原地杆菌生物膜电子传递和电导率的影响
- DOI:10.1016/j.bioelechem.2019.107395
- 发表时间:2020
- 期刊:
- 影响因子:5
- 作者:Liu Panpan;Mohamed Abdelrhman;Liang Peng;Beyenal Haluk
- 通讯作者:Beyenal Haluk
In situ enrichment of microbial communities on polarized electrodes deployed in alkaline hot springs
碱性温泉中部署的极化电极上微生物群落的原位富集
- DOI:10.1016/j.jpowsour.2019.01.027
- 发表时间:2019
- 期刊:
- 影响因子:9.2
- 作者:Mohamed, Abdelrhman;Ha, Phuc T.;Peyton, Brent M.;Mueller, Rebecca;Meagher, Michelle;Beyenal, Haluk
- 通讯作者:Beyenal, Haluk
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Haluk Beyenal其他文献
Dual roles of the conditional extracellular vesicles derived from emPseudomonas aeruginosa/em biofilms: Promoting and inhibiting bacterial biofilm growth
铜绿假单胞菌生物膜来源的条件性细胞外囊泡的双重作用:促进和抑制细菌生物膜生长
- DOI:
10.1016/j.bioflm.2024.100183 - 发表时间:
2024-06-01 - 期刊:
- 影响因子:4.900
- 作者:
Marwa Gamal Saad;Haluk Beyenal;Wen-Ji Dong - 通讯作者:
Wen-Ji Dong
Entrapment of Urease in glycol-containing polymeric matrices and estimation of effective diffusion coefficient of urea
- DOI:
10.1016/0032-3861(95)90989-f - 发表时间:
1995-01-01 - 期刊:
- 影响因子:
- 作者:
Hüsniye Demiriciogˇlu;Haluk Beyenal;Abdurrahman Tanyolaç;Nesrin Hasirci - 通讯作者:
Nesrin Hasirci
Extracellular electron transfer mechanisms between microorganisms and minerals
微生物与矿物之间的胞外电子转移机制
- DOI:
10.1038/nrmicro.2016.93 - 发表时间:
2016-08-30 - 期刊:
- 影响因子:103.300
- 作者:
Liang Shi;Hailiang Dong;Gemma Reguera;Haluk Beyenal;Anhuai Lu;Juan Liu;Han-Qing Yu;James K. Fredrickson - 通讯作者:
James K. Fredrickson
Microbial diversity in active and abandoned desert kangaroo rat burrows and from proximal surface sand
活跃和废弃的沙漠袋鼠鼠洞以及附近地表沙中的微生物多样性
- DOI:
10.1128/spectrum.01388-24 - 发表时间:
2025-03-31 - 期刊:
- 影响因子:3.800
- 作者:
Duygu Aydin;Janice M. Parks;Sera Tirkes;Clint E. Collins;Idil Deniz Akin;Maren L. Friesen;Douglas R. Call;Haluk Beyenal - 通讯作者:
Haluk Beyenal
Review: can bioelectrochemical sensors be used to monitor soil microbiome activity and fertility?
- DOI:
10.1016/j.copbio.2024.103222 - 发表时间:
2024-12-01 - 期刊:
- 影响因子:
- 作者:
Christina F Webster;Won-Jun Kim;Gemma Reguera;Maren L Friesen;Haluk Beyenal - 通讯作者:
Haluk Beyenal
Haluk Beyenal的其他文献
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{{ truncateString('Haluk Beyenal', 18)}}的其他基金
SitS: Electrochemical signals to monitor soil microbiome structure and function
SitS:监测土壤微生物组结构和功能的电化学信号
- 批准号:
2226680 - 财政年份:2023
- 资助金额:
$ 29.72万 - 项目类别:
Standard Grant
Planning Grant: Engineering Research Center for Electrosymbiotic Engineering, Design, and Technology (CEED-TECH)
规划资助:电共生工程、设计和技术工程研究中心(CEED-TECH)
- 批准号:
2124088 - 财政年份:2021
- 资助金额:
$ 29.72万 - 项目类别:
Standard Grant
CAREER: Electrochemically Active Biofilms
职业:电化学活性生物膜
- 批准号:
0954186 - 财政年份:2010
- 资助金额:
$ 29.72万 - 项目类别:
Standard Grant
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