絮凝

Organic our country high polymer flocculant already has commercialized at present having several breeds such as PAM , polypropylene acidamides and carboxyl methyl cellulose only , studies innocuous high-effect organic synthesis high polymer flocculant (the ammonium equality gathers the sum copolymer kind if alkyl alkene propyl group halogenates waiting), optimizes it's the cost reduction composing handicraft.

目前我国有机高分子絮凝剂已商品化的仅有PAM、聚丙烯酰胺和羧甲基纤维素等几个品种，研究高效无毒的有机合成高分子絮凝剂(如烷基烯丙基卤化铵的均聚和共聚物类等)，优化其合成工艺降低成本。

The results show that the dosage and cost of their triturated cogulator are the lowest, COD removal rate is over 86%, SS removal rate is over 90%,and the end effluent meets the discharge standard.

结果表明，使用该所研制的KN—Ⅰ絮凝剂处理厌氧出水，絮凝剂的用量、费用最低，COD去除率达到86%以上，SS去除率达到90%以上，最终出水达到国家排放标准。

The experimental conditions of decoloration disposal for printing and dyeing waste water with Cr~(3+) and litmusless dyes are optimized utilizing chitosan with 70% acetyl removed, aluminum sulphate or polyaluminum chloride for flocculation.

以脱乙酰度为70%的壳聚糖、硫酸铝和聚铝作为絮凝剂对含Cr3+和中性染料的印染废水絮凝脱色进行了处理条件的优化，对试验结果作了对比分析。

Ferric-polysilicate coagulant is a new type of inorganic polymer flocculants; its made up by adding ferric to polysilicate-sulfate, and it has not only the property of electricity neutralization of iron, but also the property of adsorption and framing of polysilicate-sulfate. It is more efficient than traditional flocculants in depurating wastewater.

聚硅酸铁是一种新型的无机高分子絮凝剂，是把金属铁盐引入到聚硅酸中复制而成，兼有铁盐的电中和能力及聚硅酸的吸附架桥能力，净水能力高于传统的絮凝剂。

Settlement characteristics are studied based on formula of suspended sediment settling velocity and previous research results. Results show that the suspended sediment flux quickly decreases from the Hangzhou Bay to the offshore area. Although the suspended sediments are primarily transported towards the offshore area, net transport towards the Hangzhou Bay is also found in the study area. The study area is basically located in hydrodynamic balance belt, and the suspended sediment transport is characteristics of reciprocating movement and small amount of net sediment discharge. The net suspended sediment transport is mainly controlled by average current transport, Stokes drift-induced transport and gravitational circulation transport. The advection transport effect gradually weakens and gravitational circulation transport evidently intensifies from Hangzhou Bay to the offshore area. Settling velocity of single particles is far smaller than that of floccules, so, influence of flocculation of suspended sediments must be taken into the consideration.

结果表明，研究区净悬沙通量自杭州湾内向外海迅速变小，悬沙总体由杭州湾向外海输运，但同时存在向杭州湾方向的净输沙；研究区基本处于水动力平衡带，悬沙输运具有往复搬运、净输沙量小的特点；平均流输运、Stokes漂移输运和垂向净环流输运是引起悬沙泥沙净输运的主要作用机制，自口门至外海，平流输运作用逐渐减弱，垂向净环流输沙在悬沙净输运中所占比例逐渐增加；舟山群岛海域既是杭州湾向东海输运泥沙的重要通道，也是东海沿岸流携带泥沙向南输运的过渡地带；研究区单颗粒泥沙沉降速度很小，远小于絮凝沉降速度，在研究本区悬沙沉降时必须考虑絮凝的影响。

The study area is basically located in hydrodynamic balance belt, and the suspended sediment transport is characteristics of reciprocating movement and small amount of net sediment discharge. The net suspended sediment transport is mainly controlled by average current transport, Stokes drift-induced transport and gravitational circulation transport. The advection transport effect gradually weakens and gravitational circulation transport evidently intensifies from Hangzhou Bay to the offshore area. Settling velocity of single particles is far smaller than that of floccules, so, influence of flocculation of suspended sediments must be taken into the consideration.Incipient velocity and transport flux of surface sediments are analyzed using formulas of incipient velocity and transport flux. Transport trend and controlling factors of surface sediments are studied by the method of grain size trend analysis.

结果表明，研究区净悬沙通量自杭州湾内向外海迅速变小，悬沙总体由杭州湾向外海输运，但同时存在向杭州湾方向的净输沙；研究区基本处于水动力平衡带，悬沙输运具有往复搬运、净输沙量小的特点；平均流输运、Stokes漂移输运和垂向净环流输运是引起悬沙泥沙净输运的主要作用机制，自口门至外海，平流输运作用逐渐减弱，垂向净环流输沙在悬沙净输运中所占比例逐渐增加；舟山群岛海域既是杭州湾向东海输运泥沙的重要通道，也是东海沿岸流携带泥沙向南输运的过渡地带；研究区单颗粒泥沙沉降速度很小，远小于絮凝沉降速度，在研究本区悬沙沉降时必须考虑絮凝的影响。

After flocculation the cells of Klebsiella pneumoniae in the floes grew well(OD 13.5)and were used repeatedly.

絮凝细胞再发酵实验表明：絮凝沉淀中的菌体仍然可以重复利用。

Of adsorbed water, do not influence this density of bottom of the natural water body , and restrain funguses , sterilization function , it is the ideal absorbent which drinks aqueous cleaning.

考虑到壳聚糖的生产成本及我国给水水质的实际情况，将无机高分子絮凝剂和壳聚糖天然絮凝剂复配，是我国水处理剂发展的趋势。

Of adsorbed water, do not influence this density of bottom of the natural water body , and restrain funguses , sterilization function , it is the ideal absorbent which drinks aqueous cleaning.

思量到壳聚糖的生产资本及我国给水水质的现真相况，将无机高分子絮凝剂和壳聚糖自然絮凝剂复配，是我国水处置惩罚剂生长的趋向。

Focculabilities of PSF on kaoline soliquoid and wastewater from sugar/leather factory were detected.

探讨了PSF对高岭土悬浊液及工厂排泄废水的絮凝作用，以及投药量、体系pH值对絮凝效果的影响。

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