%0 Journal Article
%T Characteristic Research of Shortcut Denitrification in Synthetic Ammonia Industrial Wastewater Treatment Process<br>合成氨废水短程反硝化特性研究
%A LI Yan
%A LI Ze-bing
%A MA Jia-xuan
%A WANG Xiao-yi
%A ZHAO Bai-hang
%A LI Jun
%A <br>李妍
%A 李泽兵
%A 马家轩
%A 王晓毅
%A 赵白航
%A 李军
%J 环境科学
%D 2012
%I 
%X Active sludge was from a pilot-scale synthetic ammonia industrial wastewater treatment plant with a strengthen anoxic-oxic (A/O) technology. The zero order kinetic model was suit for describing shortcut and complete denitrification process.Experimental results showed that shortcut denitrification could reduce 14.1% carbon source consumption and 55.7% denitrification time, respectively, comparing with complete denitrification. The maximum specific denitrification rate was 0.509 g·(g·d)-1 with an initial NO2--N concentration of 36.82 mg·L-1 and pH 7.5. In the industrial practice, it must be avoided pH higher than 9.0 in anoxic zone for industrial treatment. Replication-selective denitrifying bacteria showed a strong adaptability to methanol and ethanol, but showed maladaptation to other small molecular and easily biodegradable organics, such as glucose and acetic acid.
%K synthetic ammonia wastewater
%K shortcut denitrification
%K specific denitrification rates
%K carbon source<br>合成氨废水
%K 短程反硝化
%K 比反硝化速率
%K 碳源
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=64CD0AA99DD39F69401C615B85F123EF&aid=1D8FDF1D949EE4BA661C48E30285F8E4&yid=99E9153A83D4CB11&vid=27746BCEEE58E9DC&iid=B31275AF3241DB2D&sid=25BD9D96DA3633C5&eid=DDDE8AA7C661A4B3&journal_id=0250-3301&journal_name=环境科学&referenced_num=0&reference_num=25