Reduction of VOC

In Japan, the revised Air Pollution Control Law, which came into force on April 1, 2006, mandates control of release of VOCs, a cause of air pollution. Although Toshiba Group does not have facilities large enough to be covered by this regulation, we have included VOCs in the substances subject to reduction in use and are reducing their use.

Case Study in FY2007

Case Study: Reduction of VOC Release at an LCD Plant

photo of Yoshinori Hashimoto Engineering and Environment Group Administrations Department TFPD Corporation
Yoshinori Hashimoto
Engineering and Environment Group
Administrations Department TFPD Corporation

Ethyl acetate used in the LCD manufacturing process is a VOC. Because it vaporizes when heated, ethyl acetate is released to the atmosphere in exhaust. So, as a measure to reduce its release, we have installed an abatement system at the exhaust outlet. With this system, after adsorptive enrichment of ethyl acetate in the exhaust by active carbon, detached gases are combusted for detoxification. Introduction of the abatement system reduced VOC release by 85%.