arsenic compounds

Objctive To summarize the progress for researched of inorganic elements,organochlorine pesticides,organic substances and arsenic compounds in oyster Meihod According to the publiched thesis to summarize the chemical substances,which mentioned above,in oyster.

目的对牡蛎中的无机元素、有机化合物、含氯杀虫药及含砷化合物的研究进行综述。

A combined process of beneficiation and hydrometallurgy for the arsenic-containing gold ores at ambient temperature and pressure was presented,including floatation fine grinding,intensified alkaline leaching pretreatment and cyanidation.

提供了一种微细粒浸染包裹含砷金矿石的选冶联合工艺,包括浮选、碱性常温常压强化碱浸预氧化和氰化。

Disposal of arsenic wastewater by coagulation in power plant;

电厂含砷废水的混凝处理研究

The arsenic forms in gaseous phase, aqueous phase and solid state were studied in treating arsenic wastewater with FeS.

本文对用硫化亚铁处理含砷废水时、在气相、液相和固相中砷的形态进行了研究结果表明,在气相中无AsH_3,但在As(v)废水的液相中有As(v)和As(Ⅲ)共同存在 在固相中有As(0),FeAsO_4(FeAsO_3),As_2S_3(As_2S_5)和吸附砷。

The effect of polysilicate-metal coagulants on arsenic wastewater is investigated as well.

本文以硫酸生产过程中的洗涤废水为研究对象,考察了聚硅酸金属盐类混凝剂对含砷废水的处理效果。

The arsenical sludge clay were mixed up with a defined ratio and were made the brick.

将含砷污泥和粘土按一定比例混合制砖,并对样品砖的毒性浸出进行了研究,结果表明对As、Zn、Pb、Cd离子的固化效果好,浸出毒性低于国家标准。

The arsenic in the sludge is very dangerous, so it is important to find the methods for the treatment and disposal of the arsenical sludge.

废水处理后的污泥含有大量的有害物质 ,其中的砷及其化合物对环境危害极大 ,因此 ,对含砷污泥的安全处理与处置研究 ,有重要的现实意义 。