Abstract:
Introduction: Semnan industrial estate with 2000 hectares is located in km 8 of Damghan-Semnan road. At present time, 300 manufacturing units are active in this estate. Some of them are manufacturing of electronic, metal, chemical, textile, non-metallic
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Abstract:
Introduction: Semnan industrial estate with 2000 hectares is located in km 8 of Damghan-Semnan road. At present time, 300 manufacturing units are active in this estate. Some of them are manufacturing of electronic, metal, chemical, textile, non-metallic mineral and lignocelluloses products. The investigations have shown that solid waste production and its improper disposal is one of the main important problems in the industrial estate.
Material: In this study according to the available documents and field studies, solid waste were identified and classified basis on kinds, physical properties, recyclability, production place, offloading periodicity, temporary storage, transferring to the landfill.
Result and discussion: According to the quantitative and qualitative investigation, there are 32 types of recyclable wastes in the estate. Four main types of them are plastic, paper, metal and wood wastes with annual production of 1000, 1400, 8400 and 540 ton, respectively. With consideration of all determinants of recycling complex establishment, the paper wastes recycling plant is only recommended. Transfer of plastic and metal wastes to the neighbor industrial complexes and reuse of wood wastes are also proposed.
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