The current situation of construction of the ecoindustrial park in China and the practical mode of construction of the eco-industrial park is discussed using the analytic hierarchy process(AHP).The purpose of zero emission in a park system can be realized by the cooperation of every company in the park,the exchange of byproduct,energy and information and the establishment of necessary ecologic cooperation link or net with companies out of the park.

详细解析了生态工业园区的类型,在此基础上讨论了实体改造型综合园区生态再造的生态工业链方法的内容及原理,并结合天津经济技术开发区国家生态工业示范园区建设的案例予以论证。

本文阐述了保持经济社会可持续发展必须走发展循环经济之路的理念.通过环境保护与经济发展密不可分的关系,论述了循环经济的内涵.在天津循环经济发展实践的基础上,制定了发展循环经济行动战略.为实现这一战略,提出了发展循环经济的具体步骤和保证措施.

Alternate in EIA mainly includes the alternate of the technology, site-selection and environmental protection countermeasures. The content in the EIA of municipal sewage treatment plant has its own specific characteristics. In view of a lot of experience, discussion and case analysis of alternate was made by the example of several large municipal sewage treatment plants.