Management of the liquid waste through approach of the eco-efficiency concept

One of the companies that manufacture of soap, cosmetic, and household products in Banten Province has made improvements of Waste Water Treatment Plant (WWTP), however quality of the waste water effluent did not meet the quality standards applied yet with consistently, so that proceeded with implementing the cleaner production program in production area.This study was conducted to analyze correlation between implementation of the cleaner production program on production area and performance of the WWTP and also to calculate the economic benefits and ratio of the eco-efficiency, with involvement of the employee definitely. The study was using a quantitative approach and the mix methods. Result of the analysis shows positive and significant correlation between successfully of the cleaner production program that aligned with improvement of knowledge, attitude, and behavior level of workers by decreasing COD of IPAL by 67%; cost of waste water treatment in the company decreased by 21%; and increased eco-efficiency ratio of water by 2%. Thus, implementing the cleaner production program on production area and optimizing the WWTP performance are part of eco-efficiency approach will deliver economic and environmental benefits to the company. (author)