Development of environmental friendly dry cleaning system with water/ethanol solution used as the washing solvent

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Safe and relieved dry cleaning solvent for the human body and the environment is aspired in dry cleaning industry. In this study, the development of new washing system using water/ethanol solution as the dry cleaning solvent was investigated. As the results, (1) the cloth shrinkage in case of washing which used water/ethanol solution is occurred by the water abundance, it was cleared the relation between the cloth shrinkage and the water volume. (2) Water-soluble silicon is effective in the recovery of cloth shrinkage. The cloth shrinkage can be recovered to permissible range by iron press finishing. (3) The washing waste fluid which used water/ethanol solvent is regenerated by adsorption with active carbon, and it grasped a specific condition for the regeneration in actual washing machine size.