qualitative and quantitative properties and management of yazd industrial township waste

industrial waste management is one of the most properly approaches which make industry and environment collaborating and coacting as well as reduce impacts of industry on environment. in this study, present management of yazd industrial township located in yazd province was studied. in order to properly manage and control waste production, questionnaires were used to collect data regarding types, composition of industrial waste and the methods of waste management used in 117 of the 252 business in the study area. the industries can be classified as: food, tire and plastic, chemical, metal, nonmetal mineral, wood, paper, textile and car and mobilizations industries. the collected data were analyzed using spss software. the results indicated that waste component include 32% miscellaneous wastes, 21% metallic waste, 17% polymerized matters, 7% animal wastes, 5% non organic matters such as sludge, 3.5% organic compounds, 3% chemical matters, 2.5% non organic acids, 2% compounds of toxic metals, 2% waste of tars, 1.2% filtered matters and 0.8% non organic compounds. about 76.8% of the waste was solid, 14.2% liquid and 9% semi solid. considering the results in this study, it is seen none of the industries use suitable methods for maintaining the waste. in most cases, they were disposed off the waste by dumping and in very rarely cases the resorted it for reuse and recycling. in the first, step in order to manage of waste in a properly way, it is necessary to constitute a network information of hazardous waste in industrial management system. it is also recommended to keep sitting studies prior to disposal and burying of waste.