Biological removal of methanol from process condensate for the purpose of reclamation

Abstract： The biological removal of methanol from condensate of ammonia manufacturing processes for the purpose of reclamation using contact type reactor was studied. Methanol of 60 mg/L was removed completely under an HRT of 1.12 h. Optimal inorganic nutrient dose was determined on evaluating methanol removal performance and dehydrogenase activities (DHA) under different nutrition doses. The optimal inorganic nutrient dose only gave an increase of conductivity of ca. 10 μs/cm2 in the effluent on treating synthetic condensate containing methanol of 30 mg/L. The results demonstrated that biological removal of methanol was effective for the purpose of recovering the methanol-bearing condensate. 作 者： WANG Yan-ming    YANG Min    ZHANG Yu    GAO Meng-chun    ZHANG Jing   作者單位： WANG Yan-ming(Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China；The Environmental Monitoring Center of Petro-Center of Petro-China,Langfang 065007 China.)

YANG Min,ZHANG Yu,GAO Meng-chun,ZHANG Jing(Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China.) 

期 刊： 環境科學學報(英文版)  ISTICSCI   Journal： JOURNAL OF ENVIRONMENTAL SCIENCES  年，卷(期)： 2004, 16(3)  分類號： X701  Keywords： reclamation    condensate    methanol removal    biological contact reactorIntroduction   

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