1) secondary flocculation
![点击朗读](/dictall/images/read.gif)
二次絮凝
2) quadratic micro-flocculation
![点击朗读](/dictall/images/read.gif)
二次微絮凝
1.
Researches were conducted on turbidity control by conventional treatment process from feeding optimization of inorganic coagulant,enhanced coagulation of high polymer coagulant aid,enhanced filtration of quadratic micro-flocculation in jar test,pilot test and full-scale test.
借助烧杯试验、中试和生产试验,从无机混凝剂投加量优化、高分子助凝剂强化混凝、二次微絮凝强化过滤等方面开展了常规净水工艺浊度控制技术研究,确定了其中的最佳工艺运行条件和技术参数。
3) two step flocculation
![点击朗读](/dictall/images/read.gif)
二极絮凝
4) secondary gel
![点击朗读](/dictall/images/read.gif)
二次凝胶
1.
Metal nitrates were used as reactants with ethylenediaminetetracetic acid(EDTA) used as complexant to prepare primary gel,and the secondary gel was prepared via heating further the primary one.
以金属硝酸盐为反应物,以乙二胺四乙酸(EDTA)为络合剂制备了一次凝胶,并在此基础上进一步加热制备了二次凝胶。
5) secondary coagulation
![点击朗读](/dictall/images/read.gif)
二次凝聚
1.
Experimental study on the treatment technology of contaminated original water by secondary coagulation;
二次凝聚工艺处理微污染原水的试验研究
6) second coagulation
![点击朗读](/dictall/images/read.gif)
二次混凝
1.
Although the canal water quality is very complicated, it can be turned into influent of the reverse osmosis by second coagulation and enhanced coagulation successfully.
运河水水质随季节改变变化复杂,采用二次混凝和强化混凝技术成功的将其处理为合格的反渗透进水(SDI<4)。
补充资料:ST絮凝剂
分子式:
CAS号:
性质:又称聚氯化二烯丙基二甲基铵,ST絮凝剂。浅黄色透明黏稠液体。易溶于水,无毒,不燃烧,不爆炸,凝聚力强。为强阳离子聚电解质,对pH值变化不敏感,抗氯性强,水解稳定性好,不成凝胶。以烯丙基氯和二甲胺为原料制成氯化二烯丙基二甲基铵单体,再经聚合即得成品。在水和污水处理中用作絮凝剂,特别适用于处理高浊度原水,为美国公共卫生署批准的惟一用于饮水净化处理的合成阳离子季铵聚电解质。还可用作制取电传纸的电导涂料以及采矿和矿物加工过程的脱水凝聚剂。
CAS号:
性质:又称聚氯化二烯丙基二甲基铵,ST絮凝剂。浅黄色透明黏稠液体。易溶于水,无毒,不燃烧,不爆炸,凝聚力强。为强阳离子聚电解质,对pH值变化不敏感,抗氯性强,水解稳定性好,不成凝胶。以烯丙基氯和二甲胺为原料制成氯化二烯丙基二甲基铵单体,再经聚合即得成品。在水和污水处理中用作絮凝剂,特别适用于处理高浊度原水,为美国公共卫生署批准的惟一用于饮水净化处理的合成阳离子季铵聚电解质。还可用作制取电传纸的电导涂料以及采矿和矿物加工过程的脱水凝聚剂。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条