Simultaneous treatment of PVC and oyster-shell wastes by mechanochemical means

W. Tongamp; J. Kano; Q. Zhang; F. Saito

doi:10.1016/j.wasman.2007.01.022

Simultaneous treatment of PVC and oyster-shell wastes by mechanochemical means

W. Tongamp, J. Kano, Q. Zhang, F. Saito

IMRAM - Center for Mineral Processing and Metallurgy (CMPM)

Tohoku University

Research output: Contribution to journal › Article › peer-review

50 Citations (Scopus)

Abstract

This work presents a new process for dechlorinating poly-vinyl chloride (PVC) by the use of oyster-shell waste. The process consists of milling of PVC waste with oyster-shell waste, followed by washing the milled sample with water. The milling of PVC and oyster-shell mixture results in size reduction and rupture in bonds, leading to mechanically induced reactions between the two to form CaCl₂ and hydrocarbon with C{double bond, long}C bonds. Washing the milled mixtures with water at room temperature allows complete removal of chlorine from the milled sample. More than 95% of chlorine in PVC was removed when 2 h grinding is conducted for the mixture. The present process could offer a potential route to the handling and disposal of oyster-shell and PVC wastes.

Original language	English
Pages (from-to)	484-488
Number of pages	5
Journal	Waste Management
Volume	28
Issue number	3
DOIs	https://doi.org/10.1016/j.wasman.2007.01.022
Publication status	Published - 2008

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10.1016/j.wasman.2007.01.022

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abstract = "This work presents a new process for dechlorinating poly-vinyl chloride (PVC) by the use of oyster-shell waste. The process consists of milling of PVC waste with oyster-shell waste, followed by washing the milled sample with water. The milling of PVC and oyster-shell mixture results in size reduction and rupture in bonds, leading to mechanically induced reactions between the two to form CaCl2 and hydrocarbon with C{double bond, long}C bonds. Washing the milled mixtures with water at room temperature allows complete removal of chlorine from the milled sample. More than 95% of chlorine in PVC was removed when 2 h grinding is conducted for the mixture. The present process could offer a potential route to the handling and disposal of oyster-shell and PVC wastes.",

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AU - Tongamp, W.

AU - Kano, J.

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AU - Saito, F.

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AB - This work presents a new process for dechlorinating poly-vinyl chloride (PVC) by the use of oyster-shell waste. The process consists of milling of PVC waste with oyster-shell waste, followed by washing the milled sample with water. The milling of PVC and oyster-shell mixture results in size reduction and rupture in bonds, leading to mechanically induced reactions between the two to form CaCl2 and hydrocarbon with C{double bond, long}C bonds. Washing the milled mixtures with water at room temperature allows complete removal of chlorine from the milled sample. More than 95% of chlorine in PVC was removed when 2 h grinding is conducted for the mixture. The present process could offer a potential route to the handling and disposal of oyster-shell and PVC wastes.

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Simultaneous treatment of PVC and oyster-shell wastes by mechanochemical means

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