我国橡胶制品行业VOCs末端减排技术评估
Evaluation on VOCs terminal emission reduction technologies in rubber products industry in China
-
摘要: 橡胶制品行业生产过程中炼胶、压延和硫化等工艺都会产生含挥发性有机物(VOCs)废气,其排放量大,非甲烷总烃含量高,会对周边环境造成严重污染,因此,急需针对橡胶制品行业VOCs的排放进行有效控制。然而,目前针对橡胶制品行业VOCs减排技术评估尚不完善,无法确切了解VOCs末端减排技术的效益。通过分析橡胶制品行业VOCs的产排污环节、排放特征,调研不同末端减排技术的应用现状,以技术性能、经济效益、资源能源、环境污染为一级指标,构建橡胶制品行业VOCs末端减排技术评估指标体系,采用模糊综合评估法对VOCs末端减排技术进行评估,旨在筛选出最佳可行的VOCs末端减排技术,为橡胶制品行业VOCs减排提供评估依据与技术支持。结果表明:碳纤维吸附脱附法具有良好的减排综合性能,是橡胶制品行业最佳可行的VOCs末端减排技术。Abstract: Rubber refining, calendaring, vulcanization and other processes in the production process of rubber products industry can produce waste gases containing volatile organic compounds (VOCs), with large emissions and high non-methane hydrocarbon contents, which can cause serious pollution to the surrounding environment. Therefore, it is urgent to effectively control VOCs emissions in rubber products industry. However, at present, the assessment of VOCs emission reduction technologies in rubber products industry is not perfect, and the benefits of VOCs terminal emission reduction technologies cannot be fully understood. By analyzing VOCs generation and emission characteristics of rubber products industry, and investigating the application status of different terminal emission reduction technologies, the evaluation index system with technical performance, economic benefits, resources and energy, environmental pollution as the primary indexes was established, and the fuzzy comprehensive evaluation method used to evaluate VOCs terminal emission reduction technologies. The aim was to screen out the best feasible VOCs terminal emission reduction technologies and provide evaluation basis and technical support for VOCs emission reduction in rubber products industry. The results showed that the carbon fibre adsorption-desorption method had good comprehensive emission reduction performance and was the optimal terminal control technology for VOCs emission reduction in rubber products industry.