摘要
企业基础上的生态工业园区建设导致传统的单层面元素流分析不能适应企业向园区的过渡过程。根据某元素在产品生命周期中的流动状况,把元素流分析分为生产单元、回收单元、环境单元三个主要单元,并建立适合跨层面元素流分析的PRE-环境影响模型。分析了某元素在生产单元中的自然资源的利用率、回收单元中的再资源化率和环境单元的再利用率,以及它们对自然资源投入量与废弃物的排放量两个因素的影响。最后,对某氯碱企业入驻园区前后的氯(CL)元素流进行比较研究,提出物质集成方案对企业CL元素流进行改善,结果表明企业在入驻园区后的CL元素利用效率有了很大的提高,CL元素的环境影响也得到明显降低。
With the development and construction of eco-industrial parks,single-level SFA can not adapt itself to the enterprise＇s transition of its role shifting.Element flow analysis contains three main units of production,recovery and environment according to substance flow in the product life cycle.This paper aims to establish an environment impact model based on PRE for cross-level SFA.It also discusses the influence of the utilization of natural resources in production unit,the recycling rate in recycling unit,and the reusing rate in environmental unit,and their impact on the amount of natural resource inputs and waste emissions.Finally,the paper offers a a comparative study of the Cl-flows of aChlor-alkali enterprise before and after its entering into the eco-industrial park,and proposes a material integrated solution to improve the using of Cl-element,and the result shows a big efficiency in using Cl element while its defects on environment significantly reduced.
出处
《北京交通大学学报（社会科学版）》
CSSCI
2011年第3期40-47,共8页
Journal of Beijing Jiaotong University(Social Sciences Edition)
关键词
元素流分析
PRE-环境影响模型
物质集成
CL元素流
element flow analysis
PRE-environment impact model
material integrated solutions（MIS）
Cl-flow
作者简介
赵涛，男，吉林长春人，天津大学管理与绎济学部教授，博士生导师。研究方向：循环经济与低碳经济。
