Investigation of Chemical Laboratory Waste Liquid Category in Universities

In view of the collection of waste liquid problems exist in the chemical laboratory in universities currently,(according) to relevant laws in our country,in collaboration with the characteristics of the waste liquid chemical laboratory in universities,an analysis of the necessity for collection of waste liquid in different category was given,and the principle of waste liquid category was proposed.On the basis of referred chemical waste liquid category method in some countries and regions' universities,the suggestion of waste liquid category method for chemical laboratory in colleges and(universities was given.)