Solidification and stabilization of expired chemicals
Journal: International Journal of Advanced Technology and Engineering Exploration (IJATEE) (Vol.5, No. 44)Publication Date: 2018-06-26
Authors : Sharon Ranjitha Paul; C R Ramakrishnaiah;
Page : 201-207
Keywords : Solidification; Stabilization; Hazardous waste; Expired chemicals.;
Abstract
Expired chemicals are treated to be hazardous waste. Not only are expired chemicals useless for an experiment, but they can also be volatile and dangerous when they exceed their date of expiry and become complicated and difficult to dispose. Once these chemicals get disposed into landfill and if there is any leaching, it leads to pollution of the environment and also affecting human health in the near vicinity. Treatment of hazardous waste is done through solidification and stabilization process designed to encapsulate inorganic hazardous wastes (heavy metals) within cement, thereby creating a non-hazardous product. In this project the expired chemicals are solidified and stabilised before their disposal. One of the main objective of the project is to optimize the mix of binders and to ensure safe disposal of chemicals into landfill in an eco-friendly and an economically viable manner and to study the leaching process of heavy metals, to optimize the process of stabilization of hazardous waste using the conventional materials like fly ash, cement & lime which are used as binders to evaluate the quantity of heavy metals that could possibly release and harm the environment and human beings. Efficiency of the mobilization depends on parameters such as curing time, dosage of stabilizer and combination of stabilizer to reach the criteria of hazardous waste and safe disposal of this waste into the landfill.
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Last modified: 2018-10-12 15:36:37