نتایج جستجو برای: using electrolysis can upgrade anaerobic units appropriately

تعداد نتایج: 5346362  

2015
Lijun Hou Yanling Zheng Min Liu Xiaofei Li Xianbiao Lin Guoyu Yin Juan Gao Fengyu Deng Fei Chen Xiaofen Jiang

Over the past several decades, human activities have caused substantial enrichment of reactive nitrogen in China's coastal wetlands. Although anaerobic ammonium oxidation (anammox), the process of oxidizing ammonium into dinitrogen gas through the reduction of nitrite, is identified as an important process for removing reactive nitrogen, little is known about the dynamics of anammox and its con...

Journal: :Biochemical Society transactions 2005
M S M Jetten I Cirpus B Kartal L van Niftrik K T van de Pas-Schoonen O Sliekers S Haaijer W van der Star M Schmid J van de Vossenberg I Schmidt H Harhangi M van Loosdrecht J Gijs Kuenen H Op den Camp M Strous

The obligately anaerobic ammonium oxidation (anammox) reaction with nitrite as primary electron acceptor is catalysed by the planctomycete-like bacteria Brocadia anammoxidans, Kuenenia stuttgartiensis and Scalindua sorokinii. The anammox bacteria use a complex reaction mechanism involving hydrazine as an intermediate. They have a unique prokaryotic organelle, the anammoxosome, surrounded by lad...

F. Aminifar, M. Fotuhi-Firuzabad,

From the optimization point of view, an optimum solution of the unit commitment problem with reliability constraints can be achieved when all constraints are simultaneously satisfied rather than sequentially or separately satisfying them. Therefore, the reliability constraints need to be appropriately formulated in terms of the conventional unit commitment variables. In this paper, the reli...

2004
N. Stahl

The operation of an activated sludge process at a paper mill (AIPM) in Hedera, Israel, was often characterized by disturbances. As part of a research and development project, a study on new biological treatment was initiated. The study included the operation of three pilot units: a. anaerobic treatment by upflow anaerobic sludge blanket (UASB); b. aerobic treatment by two pilot units including ...

Journal: :Bioresource technology 2014
Fang Zhang Yongtae Ahn Bruce E Logan

The effectiveness of refinery wastewater (RW) treatment using air-cathode, microbial fuel cells (MFCs) was examined relative to previous tests based on completely anaerobic microbial electrolysis cells (MECs). MFCs were configured with separator electrode assembly (SEA) or spaced electrode (SPA) configurations to measure power production and relative impacts of oxygen crossover on organics remo...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده هنر 1391

now-a-days graphic design plays a major role in influencing culture, society, business, and customers, in such a way that one could look upon every individual as a potential customer. graphic designers seek to identify customers needs and find an intelligent solution for them. correct identification and understanding of those needs is the first step towards achieving ones goals. marketing knowh...

Journal: :Current opinion in green and sustainable chemistry 2023

Hydrogen is a colorless compound to which symbolic colors are attributed classify it according the resources used in production, production processes, such as electrolysis, and energy vectors, solar radiation. Green hydrogen produced mainly by electrolysis of water using renewable electricity from an grid powered wind, geothermal, or hydroelectric power plants. For grid-powered electrolyzers te...

Journal: :Environmental science & technology 2014
Krishna P Katuri Craig M Werner Rodrigo J Jimenez-Sandoval Wei Chen Sungil Jeon Bruce E Logan Zhiping Lai Gary L Amy Pascal E Saikaly

A new anaerobic treatment system that combined a microbial electrolysis cell (MEC) with membrane filtration using electrically conductive, porous, nickel-based hollow-fiber membranes (Ni-HFMs) was developed to treat low organic strength solution and recover energy in the form of biogas. This new system is called an anaerobic electrochemical membrane bioreactor (AnEMBR). The Ni-HFM served the du...

Journal: :Reviews In Environmental Science And Bio/technology 2021

Abstract Power-to-methane technology is a promising solution to facilitate the use of excess variable renewable energy for biomethane production. In this approach, hydrogen produced via electrolysis used upgrade raw biogas, which can be subsequently as fuel or stored in gas grid. Ex-situ biomethanation an emerging that could potentially replace conventional energy-intensive biogas upgrading met...

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