The Risk Assessment System Of Dangerous Discards And The Research Of The Management

This paper collects the situations of Dangerous discards management and dealing in both foreign and county, compares the differences in management and dealing between the European county and our country, describes the characters classify and harm of the risk waste and analyses the problems of management and dealing in our country.This paper establishes the risk assessment system which contains three hierarchies: the object hierarchy, the principle hierarchy and the goal hierarchy. It shows the mechanism of the risk degree representation, and the importance of different factors and different hierarchies are considered.The integrated values of the fourteen factors have been worked out though the analytical hierarchy process. Then takes As, benzene, parathion and waste acid as the examples to calculated their risk degrees.This paper collects the representative discards as waste As, waste acid, and waste alkali, give them qualitative analysis through the method of event tree and explain the different probabilities of bringing harms by the different way the discards entering the environment.At last the best way of the management and dealing of the dangerous discards in Hefei is given out based on these analysis.The research of this paper makes a good sense for the dangerous discards risk assessment in our country, and is helpful for the management and dealing of the dangerous discards...