RECYCLING OF WASTE WATER PACKETS BY USING CRYOGENIC PROCESS

MECHANICAL ENGINEERING

Recycling of plastics is a big issue in terms of environmental sustainability and of waste management. The development of proper technologies for plastic recycling is recognised as a priority. Cryogenic grinding is one of the means to a useful and cost-effective solution for recycling of plastics. Powdering the products at sub-zero temperatures ranging from 0°C to -196°C is done by cryogenic grinding process. The products are cooled down with liquid nitrogen before they are ground. This process does not damage or alter the chemical composition of the products in any way.While cooling the material to below the glass transition point; thus embrittling the material before grinding. Cryogenic grinding is suitable for materials such as thermoplastics, elastomers, waxes, paint additives and even some metals.In this project we going to deal about sub-zero treated plastic waste pocket and epoxy resin composite rod and to analysis the mechanical property and behaviour of the composite. The main goals of the research are to establish mechanical properties of plastic composites and to identify attractive applications for the composites by involving the plastic resin composite to cryogenic environment. The sub-zero treatment was done by liquid nitrogen gas. In this project recycling of waste water packets by using cryogenic process. Now a days, we are using plastics in all over the world. On behalf of that we are planned to recycle the plastics. The plastics can be recycled in many ways among those we have chosen to make as a plastic pipe instead of PVC (polyvinyl chloride) pipes by using cryogenic process. In this project waste water packets are mixed with epoxy resins and made into a semi-solid. Then the semisolid is poured into the die making and then the cryogenic process with liquid nitrogen is implemented to the specimen obtained. After that the following tests are taken (i.e, tensile test, hardness test, impact test). The main scope of our project is to improve the solid waste management by recycling of plastics.

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