Department of Environmental Engineering, Marwadi University, Rajkot, Gujarat, 360-003, India.
Department of Environmental Engineering, Marwadi University, Rajkot, Gujarat, 360-003, India; Department of Environmental Science & Engineering, Marwadi Education Foundation, Rajkot, Gujarat, 360-003, India.
J Environ Manage. 2019 Oct 15;248:109238. doi: 10.1016/j.jenvman.2019.07.009. Epub 2019 Jul 15.
Open dumping is a common practice for MSW disposal in most of the Indian cities, apart from the metro-cities. This practice poses significant environmental and health risks due to toxic and greenhouse gases (GHGs) emission through direct combustion and/or decay of wastes. Therefore, integrated solid waste management (ISWM) using different methods viz., incineration, composting, anaerobic digestions, refuse derived fuel, material recovery facility and sanitary landfilling, is much needed. Accordingly, three waste management case scenarios were studied for year 2001-2051 by keeping weightage of sustainable development goals 2030 of India. Case I depicts Indian present scenario of waste management where 164-735 tonnes/year of wastes would be generated for year 2001-2051. Further, 60% of waste can be treated in case II that help in reducing the land requirement up to 40% from estimated conditions of 2031 i.e., 83.8 × 10 m. The case III is most ideal waste management condition for year 2031 to reduce 80% waste hence landfill requirement would minimize up to 16.76 × 10 m where population is at controlled conditions. This article concludes the formal handling and treatment of ISWM would minimize the landfilling, where LCA can be an antidote to achieve sustainable development goals.
在印度大多数城市，露天倾倒是城市固体废物处理的常见做法，除了大都市。这种做法由于通过直接燃烧和/或废物腐烂排放有毒和温室气体 (GHG)，因此存在重大的环境和健康风险。因此，需要使用不同的方法（例如焚烧、堆肥、厌氧消化、垃圾衍生燃料、材料回收设施和卫生填埋场）进行综合固体废物管理 (ISWM)。相应地，根据印度 2030 年可持续发展目标的权重，研究了三个废物管理案例情景，以 2001-2051 年为时间范围。案例 I 描述了印度目前的废物管理情况，其中 2001-2051 年每年将产生 164-735 吨废物。此外，在案例 II 中可以处理 60%的废物，这有助于将土地需求减少到 40%，从 2031 年的估计条件减少 83.8 × 10 m。案例 III 是 2031 年最理想的废物管理情况，可以减少 80%的废物，因此垃圾填埋的需求将减少到最低限度，达到 16.76 × 10 m，其中人口处于控制条件下。本文得出结论，ISWM 的正式处理和处理将最大限度地减少垃圾填埋，而生命周期评估可以成为实现可持续发展目标的解毒剂。
