The Study About Cleaner Production Audit

Cleaner production is a new stratagem of environmental protection and a transformationfrom terminal treatment to process control. It is an effective measure for sustainabledevelopment of industry. In recent years, cleaner production audit has been one of the mostimportant tools for cleaner production. With the development of cleaner production, theproject aiming on small and medium companies is gradually opening out. The paper takesone company as disquisitive objection and makes primal research about the cleanerproduction audit of small and medium companies. On the base of investigation to some small and medium companies, combining with thepractice and state of environmental protection of the company , Jiufeng alcohol Ltd of Siping ischosen as testing company. Through the indagation to the all plants of the company, the workship ofalcohol making is regarded as the key point for audit by weighted ranking method. According to thenormal of cleaner production audit, the paper labors the working process by cleaner productionaudit.In the pre-auditing phase, no/low cost options were produced and the goal of recent-termand medium-term were ensured with the practical investigation, depending on the level ofdomestic and overseas working and environment. In the evaluation phase, material inputs andoutputs was balanced and evaluated, and 30 options were produced in material uses, processinnovation, housekeeping and regular maintenance and reuse of the wastes. Further more , 7medium/high cost options of the upper schemes were evaluated for the feasibility ontechnology, environment and economy, and 3 medium/high cost options were carried intoexecution. With the implementing of these methods ,it can make the company 45 ton watersaved of per ton alcohol,the quantity of waste water reduced 26.86 ten thousand ton ,COD and BODcan be let off in the well-balanced range. The direct benefits will be 3724.5 thousand Yuan, the goal willbe come true mostly.Through the case of the chosen company, combining with the obstruction of practice and someexamples of domestic and overseas, the paper puts forward the questions during cleanerproduction audit of small and medium companies and makes some relevant advices andcountermeasures.