The problem of anionic trash at the wet end and its countermeasure;

The trouble-shooting of the anionic trash for waste coated paper and broke;

PEI with high cationic charge density could neutralize the anionic trash in DCS and improve the efficiency of CPAM.

The synthesis method which is new and high efficient in anionic trash catchers made with dimethylamine and epichlorohydrin is introduced in the article.

Present situation and counter-measures of the electronic waste;

Effects of the electronic waste pollution on the levels of thyroid hormone and its receptor expression in the parturient woman and the newborn;

Screening of Soil Genotoxicity at an E-waste Processing Area Using SOS/umu Test;

PBDEs Pollution in the Atmosphere of a Typical E-waste Dismantling Region;

Research Advance on Effect of E-waste on Environment and Health;

With the development of economy,the contradiction between the economy development and environment deterioration brought out is becoming acute,especially the electronic wastes becomes more and more serious,which arouses broad concern in the society.

This paper gives an brief outline of the generation and pollution of electronic wastes,the laws and regulations for management as well as the present situation of disposal technique both at home and aboard.

With the development of economy,the contradiction between the economy development and environmental deterioration becomes acute,especially the serious electronic wastes,which arouse great concern in the society.