Research on Influential Factors and Trends of the Enterprise to Reduce Emissions in Nanjing City Using Gray Methods

Abstract

In order to answer following two questions, One is the influence factors and the influence degree of Nanjing enterprise emission reduction，Another is in the future five years Nanjing City enterprise COD and SO2 emissions trend prediction. This paper begins with a qualitative analysis of factors affecting enterprise emission reduction in Nanjing City, resulting in the classification of these factors according to their importance and significance by using the Grey Correlation Analysis method; Based on the fact that enterprise emission reduction in Nanjing system is gray, this paper established the Grey forecasting model GM (1, 1), 2011 ~ 2015 Nanjing enterprise COD and SO2 emissions was forecast. This paper studies showed that Nanjing emission reduction is the basic health; As long as continue to strengthen the work of emission reduction, in the next five years, Nanjing enterprise COD and SO2's total emissions will continue to decline.