Sulfur-based autotrophic denitrification
Web1 Dec 2024 · This study focuses on the performances of autotrophic denitrification with different sulfur species (S 2−, S 0, and S 2 O 32−) as electron donors, and with NO 3− or … Web1 Apr 2024 · The hydrolysis of elemental sulfur (S 0) coupled to S 0-based denitrification and denitritation was investigated in batch bioassays by microbiological and modeling …
Sulfur-based autotrophic denitrification
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Web22 Jun 2024 · The performance and process of the constructed pyrite-based mixotrophic denitrification (POMD) system using pyrite and residual organic matters as the co-electron donors were investigated for simultaneous removal of N and P from secondary effluent. After the batch experiments, 61.80 ± 3.26% of phosphate and 99.99 ± 0.01% of nitrate … Web17 Dec 2024 · Anthropogenic emissions of nitrogen- (N) and sulfur (S)-containing pollutants have declined across China in recent years. However, the responses of N and S depositions and dynamics in soil remain unclear in subtropical forests. In this study, the wet and throughfall depositions of dissolved inorganic N (DIN) and SO42− were continuously …
Web李维维,张永显,袁忠玲,吴河龙,陈永志* 硫自养短程反硝化探究及响应面法回收单质硫. 李维维1,2,张永显2,袁忠玲1,吴河龙2,陈永志1* Web12 Dec 2024 · Elemental sulfur (S0)-based autotrophic denitrification (SAD) has gained intensive attention in the treatment of secondary effluent for its low cost, high efficiency, and good stability. However, in practice, the supplementary addn. of limestone is necessary to balance the alky. consumption during SAD operation, which increases water hardness and …
Web1 Nov 2010 · Sulfur-driven autotrophic denitrification refers to the chemolithotrophic process coupling denitrification with the oxidation of reduced inorganic sulfur compounds. Web27 Mar 2024 · Denitrification and anaerobic ammonium oxidation (anammox) are the key processes to quantitatively remove nitrate (NO3-) and balance the nitrogen (N) budget of the ecosystem. In this paper, a slurry-based 15N tracer approach was used to study the correlation and quantitative relation of substrate consumption and pH with rates of …
WebDuring the sulfur-driven autotrophic denitrification (SADN) process, NO 3 –-N and sulfur compounds acting as electron acceptor and donor, respectively, were converted to N 2 …
WebAutotrophic denitrification with the sulfur compound as electron donor was investigated in the biofilter reactors. Through the lab-scale experiment, it was found that different sulfur … map directions on footWeb1 Apr 2024 · A full scale sulfur-based autotrophic denitrification process with a S/L ratio of 1/1 was set up for the denitrification of an activated sludge process effluent with a flow … map directions in tagalogWebSulfur-oxidizing autotrophic denitrification process has drawn significant attention due to its high efficiency, elimination of carbon requirement and the effluent contamination by organic compounds. In the process, nitrate and sulfur are used as electron acceptor, and electron donor, respectively. In the present study, a novel sulfur based autotrophic … map directions irelandWeb11 Apr 2024 · Storing manure is an essential aspect of nutrient management on dairy farms. It presents the opportunity to use manure efficiently as a fertilizer in crop and pasture production. Typically, the manure storages are constructed as earthen, concrete, or steel-based structures. However, storing manure can potentially emit aerial pollutants to the … map directions to multiple locationsWebFor the maximum performance of sulfur-based autotrophic denitrification with minimum operational problems, the column materials, alkalinity source, and sulfur type should be optimized (Sahinkaya et al. 2015; Zou et al. 2016). In hydrogenotrophic denitrification, hydrogen and nitrate serve as the electron donor and acceptor, respectively. map directions to 809 n. 70thWebDuring the sulfur-driven autotrophic denitrification (SADN) process, NO 3 –-N and sulfur compounds acting as electron acceptor and donor, respectively, were converted to N 2 and sulfate (SO 4 2−) by microorganism metabolism under anoxic environment (Zeng et al., 2024, Chen et al., 2024b). SADN process has been widely applied to treat nitrate … map directions north south east westWeb11 Apr 2024 · The end-products of thiosulfate oxidation differ between different bacteria, as certain obligate organotrophic bacteria (e.g., Pseudomonas stutzeri and Catenocossus thiosyclus) oxidize thiosulfate ... map directions rand mcnally