查询词典 flocculant

Polysilicate aluminum chloride flocculants of various molar ratio of Al to Si are prepared. The influence of ingredient molar ratio, pH value of waste water and the adding amount of flocculant is investigated in treating simulant rolling emulsion.

制备了不同Al/Si摩尔比的聚硅氯化铝，实验考察了成分摩尔比、废水pH值、药剂投加量对除油效果的影响。

ABSTRACT Polysilicate aluminum and ferric saltflocculant was prepared from coal refuse and pyrite slag, and was used as flocculant in the treatment of dyeing wastewater for removing turbidity and COD and decolorizing.

摘 要 研究利用煤矸石及硫铁矿烧渣作原料制备PSAAF并用于印染废水的处理。结果表明，PSAAF有良好的除浊、脱色和除COD性能；尤其对亲水性染料，具有独特的去除效果。

Technical conditions for preparing polysilicic acid and application characteristics were studied. On the basis of polysilicic acid, PSAZ flocculant was prepared with adding zinc sulfate and aluminum sulfate (or magnesium sulfate and zinc sulfate).

在研究制备特性聚硅酸工艺和技术条件的基础上，经过实验对比和筛选，引入硫酸锌和硫酸铝或者硫酸锌和硫酸镁，制备了PSAZ和PSMZ。

By knowing development situation domestically and abroad of coagulant, we have prepared two kinds of inorganic polymer flocculant which is polysilicic-acid containing aluminum sulfate and zinc sulfate and Polysilicic acid containing magnesium sulfate and zinc sulfate on the basis of preparing the polysilicic acid.

本文通过较全面的分析国内外絮凝剂的发展情况，在制备聚硅酸的基础上，制备了两种新型的锌系无机高分子絮凝剂(聚硅酸铝锌和聚硅酸锌镁)。

The novel inorganic ion-flocculant poly-nucleate aluminum hydroxy silicate-sulphate was prepared from aluminum sulfate and polysilicic acid under non-high shear condition.

在非高剪切力条件下，将硫酸铝引入到聚合硅酸中合成了新型聚硅酸硫酸铝絮凝剂。

The decolorization mechanism,which comprises the formation of unstable compunds with hydrolytic aluminium ions and ferric ions and conglomerating with polysilicic acid in the flocculant,was proposed.8figs.,1tab.,12refs.

PSAAF的脱色机理是水合铝、铁离子的凝聚作用和聚硅酸的絮凝而产生的共沉淀。图8，表1，参12。

By using the hydrochloric acid pickling wastewater and scrap iron asraw materials ,the polysilicic acid - polyferric chloride flocculant isprepared under different conditions.

以盐酸酸洗废液和废铁屑为原料，制备了聚硅酸聚合氯化铁复合型絮凝剂，研究了聚铁中铁浓度、聚合硅酸浓度、聚合硅酸pH值、n∶n及复合熟化时间等因素对絮凝性能的影响。

Among them,a strain saccharomycete Dfjm-1 with high flocc ulating activity was obtained.The microbial flocculant of Dfjm-1 produce is na med Dtjm-1.In this paper,time course of flocculants production including growt h,flocculating activity,and pH were studied.

本文研究了&Dfjm-1&在不同培养时间的生长情况、培养液中pH值变化情况及絮凝活性变化情况，得出絮凝活性与菌生长量呈正相关关系，絮凝剂&Dtjm-1&在菌生长稳定后期达到稳定活性的最高值。

A new type of flocculant named quaternary ammonium cationic sesbania gum was optimized from susbania gum series,and flocculation effects of QACSG and polyacrylamide for treating domestic wastewater were compared.

从田菁胶及其衍生物系列中优选出了一种新型高分子絮凝剂-季铵型阳离子田菁胶，并对QACSG和聚丙烯酰胺在处理生活污水中的絮凝效果作了系统比较。

In the first place, the effect of acid on stability of waste drilling mud and inorganic flocculant was studied , which also was analysed theorically.

研究了酸对废弃钻井泥浆的脱稳作用和PH值对无机混凝剂的影响，并从理论上进行了探讨。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失