The results showed that,compared with conventional treatment process,prechloramination process could apparently decrease the turbidity of settled water(or dissolved air f.
试验结果表明,采用预氯胺化工艺以后,沉淀出水(或气浮出水)以及过滤出水浊度明显降低;通过提高氯氮比可改善其助凝效果;同时滤后水中的颗粒总数大幅降低,过滤周期延长。
Analysis on characteristics of prechlorination of algae-laden raw water;
预氯化处理高藻原水的特性分析
Effect of ammonia-nitrogen on prechlorination process and optimization approach thereof;
氨氮对预氯化工艺的影响及优化对策
Based on the pilot test, study was on treatment effectiveness of permanganate composite chemicals(PPC)’s enhanced coagulation and filtration, and comparison was made between PPC pretreatment and prechlorination.
通过中试试验考察了高锰酸盐复合药剂(PPC)安全强化低温低浊水的处理效能,对其强化混凝,强化过滤效果与预氯化处理进行了对比试验表明,PPC预处理技术在助凝、助滤、去除水体中有机污染物等方面都具有比预氯化更好的处理效果,该项技术对于低温低浊期的水处理具有很好的应用前
Comparisons between enhanced effect of ultraviolet light C pretreatment and pre-chlorination on algae removal;
紫外光预处理与预氯化强化除藻的作用比较
This paper describes an experiment concerning chlorine disinfection of raw water samples from the micro-polluted branches of Huangpu River in Shanghai in order to investigate the effect of permanganate addition for pre-oxidation in place of the conventional pre-chlorination.
目前国内大部分净水处理厂都是采用预加氯消毒工艺,但在预氯化的过程中易生成致癌、致畸、致突变的“三致”物质,降低了出厂水的安全性。
Removal of AOC and BDOC in source water using pre-chlorination + conventional treatment process(coagulation-sedimentation-sand filtration) was investigated through the test.
试验研究了预氯化+常规处理工艺(混凝-沉淀-砂滤)对某水源水中AOC和BDOC的去除,结果表明:水源水中AOC和BDOC占总有机碳(以NPOC计)的比值都在9。
And investigation shows that the technical parameters of the NaClO pretreatment of hemp chemical degumming have effect to the quality of the hemp technical fiber.
确定了大麻脱胶的主要去除对象为木质素 ,探讨了预氯处理工艺参数对大麻工艺纤维品质的影响 ,得到了大麻最佳预氯工艺参数 :有效氯浓度为 1。