Abstract
Facing the increasing serious environmentalproblem, it is imminent to carry out the reverselogistics of used batteries. It is a big challenge for government to promotethe enterprises to recovery used batteries effectively. Based on the processesof reverse logistics, the paper creates mixed integer liner programming (SMILP)and designs the best reverse logistics network in different recovery rate whichcan make the enterprises obtain the best economic benefit. Through analyzingthe result, the paper provides an effective basis for government to make the recyclingpolicy and punish policy.
Keywords: reverse logistic,economic benefit,SMILP, used batteries
1.Introduction
Economic development has brought awide range application of batteries and the consequent result is the waste ofresource and environmental pollution because used batteries is processedimproperly. According to estimation, for every 1 billion pieces of batteriesproduced, 16 thousand tons of the metal zinc, 23 thousand tons of manganesedioxide, 210 tons of other metals, 4300 tons of carbon rod, and 7900 tons ofammonium chloride will need to be used(Bai Yunqi, Bai Qingzi, Wu Peng, 2002).Most of these components are valuable metal substances that can be recycled.Although the resource consumption of a piece of battery is not verysignificant, given the massive amount of disposable batteries extensively used,their resource consumption is still very significant (De Freitas et al, 2001)(Juneua et al, 2001). If there are problems with the reverse logistics of usedbatteries, these metal and nonmetal resources will be wasted with the litteringor non-thorough treatment of the used batteries. So the reverse logistics ofused batteries can not only merely protect environment, but also has importanteconomic value for it can make the enterprise assets reply and obtain thevaluable raw materials. How the recovery police can encourage enterprises tocarry out reverse logistics of used batteries effectively, the key is thepolice can make enterprises obtain the corresponding economic benefit throughreverse logistics.
Present, research on reverselogistics of used batteries is relatively few and almost no analysis of itseconomic benefit. Based on the processes of reverse logistics: collection, sorting, processing,distribution, and waste disposal, the paper designs the reverse logisticsrationally. It designs different reverse logistics network according to therecovery rate, which can make enterprises obtain the best economic benefit ofreverse logistics. Finally the paper analyzes the relationship between benefitand recovery rate, giving the basis to formulate a reasonable recovery policyfor government.