絮凝

Simultaneously had pointed out flocculant subject matter which and present development direction faces in the aluminum oxide production industrial application.

同时指出了絮凝剂在氧化铝生产工业应用中面临的主要问题和今后发展方向。

In order to decrease the production cost of Microbial Flocculant M-25, the amylum and urea were developped for the cheap substitutes of carbon source and nitrogen source of Charls medium.

为了降低微生物絮凝剂M-25的生产成本，以查氏母液为基础，采用替代碳源和氮源的方法，开发出了廉价的替代碳氮源：淀粉和尿素。

The investigation results indicate that:(1) During the process of waste acid, based on the proposed result of air oxidation flocculent precipitation, arsenic in waste acid can be transformed to high-class white arsenic or arsenic acid copper product.

在前人研究结果的基础上，根据含砷污酸与含砷废渣中主要元素存在形态和性质提出了用空气氧化絮凝沉淀法从污酸制备砷酸铜和白砷新处理工艺；提出了铟生产过程中选择性硫化沉淀除砷，提出了含砷废渣对土壤影响的治理方案。

Spent solutions were finally drained into a mixing trough forneutralization, and subsequently, calcium or barium hydroxide and flocculant were added. Precipitate producedsuch as calcium or barium sulfate, calcium fluoride were separated, and recovered water was obtained after pu-rified by ion-exchange column.

分析了铝合金生产工艺中各步骤的化学成分，根据分析结果将常温脱脂、碱蚀、出光、阳极氧化和封孔等不满足生产要求的溶液排放至混合槽内进行中和，再加入氢氧化钠和絮凝剂分离沉淀后，经离子交换柱，得到的回收水可返回生产槽重复使用。

Lignin decreasing COD values of waste water from brewage was investigated.

采用木质素作为絮凝剂，初步研究了降低白酒、啤酒酿造厂综合污水COD的效果。

Using H2SO4 as acidulant,chromic sulfate with high purity was obtained by crystallization,which was applied to leather industry as chrome tanning agent .

将电镀废水中的六价铬还原成Cr，用化学沉淀法和絮凝法将其转化为Cr3沉淀，通过硫酸酸化，结晶为高纯硫酸铬，作为皮革工业的铬鞣剂。

The resulting microbial floc is settled in a sedimentation vessel called a clarifier or thickener.

生成的微生物絮凝物就沉淀在一个被称为沉淀池或压滤池的沉淀器中。

The experimental results show that the removal of COD_ increases with the increasing of coagulant dosage.

试验结果表明，采用微絮凝-砂滤-超滤的处理工艺，其出水水质明显优于传统处理工艺，而且实现了长期稳定的运行[1-2]。

The optimal coagulator and optimal processing conditions are determined by experiments.

通过试验选择最佳絮凝剂及其使用的工艺条件。

But in the forepassed research, the people all abstracted the colloid in the water as the sphericity and explained it by the known theory of the colloid chemistry.

随着科学技术的不断发展，尤其是计算机技术的完善与普及，对絮凝过程的研究与应用的要求进一步深入。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。