Using molasses as carbon source,Na\-2So\-4\+\{2-\} as sulfate source,chemical fertilizer as N,P source,the main ecological factor affecting sulfate removal rate by SRB pH,ALK and ORP was studied in Cstr.The optimum pH...Using molasses as carbon source,Na\-2So\-4\+\{2-\} as sulfate source,chemical fertilizer as N,P source,the main ecological factor affecting sulfate removal rate by SRB pH,ALK and ORP was studied in Cstr.The optimum pH,ALK and ORP proved to be 6.57.0,500\{1 000\}mg/L,and -350-450 mV respectively.All the ecological factors affecting activity of SRB is related,the ecological effect is the integrated function results of factors.展开更多
为提高糖蜜酒精废水的厌氧发酵效率,实现其资源化再利用,本文研究了添加一定量Fe^(2+)对糖蜜酒精废水厌氧发酵处理过程的影响。结果表明:添加Fe^(2+)后发酵液中SO_4^(2-)的去除率由77.12%提高至90.79%;COD去除率由57.34%提高至81.14%;...为提高糖蜜酒精废水的厌氧发酵效率,实现其资源化再利用,本文研究了添加一定量Fe^(2+)对糖蜜酒精废水厌氧发酵处理过程的影响。结果表明:添加Fe^(2+)后发酵液中SO_4^(2-)的去除率由77.12%提高至90.79%;COD去除率由57.34%提高至81.14%;累积沼气产量由386 m L·g-1 VS提高至475 m L·g-1 VS;产气周期由29天缩短为26天;其氧化还原电位(ORP)升高,p H值降低。展开更多
文摘Using molasses as carbon source,Na\-2So\-4\+\{2-\} as sulfate source,chemical fertilizer as N,P source,the main ecological factor affecting sulfate removal rate by SRB pH,ALK and ORP was studied in Cstr.The optimum pH,ALK and ORP proved to be 6.57.0,500\{1 000\}mg/L,and -350-450 mV respectively.All the ecological factors affecting activity of SRB is related,the ecological effect is the integrated function results of factors.
文摘为提高糖蜜酒精废水的厌氧发酵效率,实现其资源化再利用,本文研究了添加一定量Fe^(2+)对糖蜜酒精废水厌氧发酵处理过程的影响。结果表明:添加Fe^(2+)后发酵液中SO_4^(2-)的去除率由77.12%提高至90.79%;COD去除率由57.34%提高至81.14%;累积沼气产量由386 m L·g-1 VS提高至475 m L·g-1 VS;产气周期由29天缩短为26天;其氧化还原电位(ORP)升高,p H值降低。
