Hwankyungkyoyuk (한국환경교육학회지:환경교육)
- Volume 2 Issue 1
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- Pages.92-99
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- 1991
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- 1225-1259(pISSN)
A Study on the Method of Science Laboratory Waste Water by Absorbent at the Secondary School
학교 실험 폐수 처리 방안
Abstract
According to our secondary school curriculum for natural science and technical circles, there be used 353 of chemical reagents including 24 kinds of harmful and toxicant components. At present, most school are discharging their school laboratory waste water without any chemical and physical treatments. So as to solve the environmental problem for water pollution, this study tried to research a kind of adsorbant utilizing saw dust, wasted wood sources and designed the simple processing system using the adsorbent. This adsorbent was made by extracting lignin substances from raw saw dust under the solution of 0.5N-NaOH at the temperature of
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