Results 211 to 220 of about 13,726 (266)

Synthetic autotrophic yeast enables high itaconic acid production from CO₂ <i>via</i> integrated pathway and process design.

Green Chem
Ata Ö, Lutz L, Baumschabl M, Mattanovich D.   +3 more
europepmc   +1 more source

Two Autotrophic processes drive plant establishement in a polar desert

, 1999
Daffonchio D., Borin S., Ventura S., Tambone F., Mapelli F., Schubotz F., D'Acqui L. P., Solheim B., Hinrichs K. U., BALDI, Franco, Adani F.   +10 more
openaire   +1 more source

Modeling of Sulfur-Driven Autotrophic Denitrification Coupled with Anammox Process

SSRN Electronic Journal, 2022
While sulfur-driven autotrophic denitrification (SDAD) occurring in the anoxic reactor of the sulfate reduction, autotrophic denitrification and nitrification integrated (SANI) system has been regarded as the main nitrogen removal bioprocess, little is known about the accompanying Anammox bacteria whose presence is made possible by the co-existence of ...
Pengfei, Huo, Xueming, Chen, Linyan, Yang, Wei, Wei, Bing-Jie, Ni   +4 more
core   +4 more sources

Autotrophic Denitrification Processes

, 2017
Effluents coming from anaerobic digesters are characterized by a COD/N ratio between 2 and 10, high ammonia NH4+ concentrations about 500 mg/L and a temperature range of 25-35 ºC. To remove nitrogen from these effluents biological processes as the autotrophic denitrification with sulfur compounds, hydrogen or methane can be applied.
Belmonte, Marisol, Fajardo, Carmen, Toledo Alarcon, Javiera Belen, Valenzuela Heredia, Daniel, Jorquera, Lorena, Mendez, Ramon, Tapia-Venegas, Estela, Ruiz-Filippi, Gonzalo   +7 more
openaire   +3 more sources

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Evaluation of kinetic parameters of a sulfur–limestone autotrophic denitrification biofilm process

Water Research, 2005
In this study, four kinetic parameters of autotrophic denitrifiers in fixed-bed sulfur-limestone autotrophic denitrification (SLAD) columns were evaluated. The curve-matching method was used by conducting 22 non-steady-state tests for estimation of half-velocity constant, K(s) and maximum specific substrate utilization rate, k. To estimate the bacteria
Tian C Zhang
exaly   +3 more sources

Evaluation of simultaneous autotrophic and heterotrophic denitrification processes and bacterial community structure analysis

Applied Microbiology and Biotechnology, 2015
This study demonstrated that a combined heterotrophic and autotrophic denitrification (HAD) process is highly effective for the simultaneous removal of acetate, nitrate, and sulfide at an efficiency of 100, 80, and 100 %, respectively. In the HAD system, simultaneous sulfide, acetate, and nitrate removals were observed, which indicated that ...
Guihua Xu, Jingjing Peng, Cuijie Feng
exaly   +3 more sources

Simultaneous nitrate and perchlorate reduction using sulfur‐based autotrophic and heterotrophic denitrifying processes

Journal of Chemical Technology and Biotechnology, 2016
BACKGROUNDThis study aims at comparing the performances of sulfur-based autotrophic and methanol-based heterotrophic denitrification processes for simultaneous removal of perchlorate and nitrate.
Deniz Uçar, Emine Ubay Çokgör, Erkan Sahinkaya   +2 more
exaly   +2 more sources

Response of Sulfide Autotrophic Denitrification Process and Microbial Community to Oxytetracycline Stress

Chemosphere, 2023
The coexistence of antibiotics with sulfide and nitrate is common in sewage. Thus, this study explored the removal performance of nitrate and sulfide, and the response of extracellular polymer substances (EPS) and the microbial community to the sulfide autotrophic denitrification (SAD) process under oxytetracycline (OTC) stress.
Qiong Yue, Chenxin Tang, Xiaofan Li, Wei Lv, Hong Liu, Hanpeng Yue, Yongzhi Chen   +6 more
openaire   +2 more sources

Biogas desulfurization using autotrophic denitrification process

Applied Microbiology and Biotechnology, 2015
The aim of this study was to evaluate the performance of an autotrophic denitrification process for desulfurization of biogas produced from a chicken manure digester. A laboratory scale upflow fixed bed reactor (UFBR) was operated for 105 days and fed with sodium sulfide or H2S scrubbed from the biogas and nitrate as electron donor and acceptor ...
Alper, Bayrakdar, Ebrahim, Tilahun, Baris, Calli   +2 more
openaire   +3 more sources