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机构地区:[1]郑州大学环水学院,河南郑州450002 [2]河南省轻工业设计院,河南郑州450003 [3]河南省环境保护科学研究院,河南郑州450004 [4]黄河水资源保护科学研究所,河南郑州450004
出 处:《环境工程》2008年第S1期54-56,共3页Environmental Engineering
摘 要:介绍在工业化生产条件下爆破制浆产物源强,分析了不同加碱量对产污源强的影响。确定在工业化生产条件下最佳加碱量(石灰)为25 kg/t(折CaO12.5 kg/t),此时可溶性COD产生量为332kg/t。在此条件下,采用生产废水污污分流,提取黑液蒸发浓缩燃烧或综合利用,中段水采用混凝沉淀+水解酸化+好氧生化工艺处理,使废水排放COD浓度达100mg/L。Under the condition of industrialized manufacture,our research studied the blast pulping pollution source intensity was studied and the effect of pollution intensity with different amounts of alkali addition was also analyzed.It was found that under the condition of industrialized manufacture the best alkali addition(lime) was 25 kg per ton of pulp(CaO 12.5 kg per ton of pulp.) Then the amount of soluble COD was 332 kg per ton of pulp.On this condition, the kinds of the pollutants were separated and the black liquor was extracted to evaporate,concentrate and combust.The middle-stage waste water was treated with coagulation flocculation-hydrolytic acidification-SBR process to manage the COD of the effluent waste water to reach the control target 100 mg/L.Experiments proved that the solution was successful and the control target can be fulfilled.
分 类 号:X703[环境科学与工程—环境工程]
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