A method for controlling hydrogen sulfide in water by adding solid phase oxygen

University of Taipei > 理學院 > 地球環境暨生物資源學系(含環境教育與資源碩士班) > 期刊論文 > Item 987654321/6414

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题名:	A method for controlling hydrogen sulfide in water by adding solid phase oxygen
作者:	Chang YJ 張育傑 Chang YT Chen HJ.
贡献者:	臺北市立教育大學地球環境暨生物資源學系
日期:	2007-01
上传时间:	2012-06-28 15:33:40 (UTC+8)
摘要:	This work evaluates the addition of solid phase oxygen, a magnesium peroxide (MgO(2)) formulation manufactured by Regenesis (oxygen-releasing compounds, ORC), to inhibit the production of hydrogen sulfide (H(2)S) in an SRB-enriched environment. The initial rate of release of oxygen by the ORC was determined over a short period by adding sodium sulfite (Na(2)SO(3)), which was a novel approach developed for this study. The ability of ORCs to control H(2)S by releasing oxygen was evaluated in a bench-scale column containing cultured sulfate reducing bacteria (SRB). After a series of batch tests, 0.4% ORC was found to be able to inhibit the formation of H(2)S for more than 40 days. In comparison, the concentration of H(2)S dropped from 20 mg S/L to 0.05 mg S/L immediately after 0.1% hydrogen peroxide (H(2)O(2)) was added, but began to recover just four days later. Thus, H(2)O(2) does not seem to be able to inhibit the production of sulfide for an extended period of time. By providing long-term inhibition of the SRB population, ORC provides a good alternative means of controlling the production of H(2)S in water.
關聯:	Bioresource Technology v.98n.2 P.478-483
显示于类别:	[地球環境暨生物資源學系(含環境教育與資源碩士班)] 期刊論文

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