Chromium removal in synthetic wastewater by Flame tree -activated carbon | เธเธฒเธฃเธเธณเธเธฑเธเนเธเธฃเนเธกเธตเธขเธกเนเธเธเนเธณเนเธชเธตเธขเธชเธฑเธเนเธเธฃเธฒเธฐเธซเนเนเธเธขเธเนเธฒเธเธเธฑเธกเธกเธฑเธเธเนเธเธฒเธเธเธฑเธเธเนเธเธซเธฒเธเธเธเธขเธนเธ
2007
Sumpan Soiklom(King Mongkut's Institute of Technology North Bangkok, Bangkok (Thailand). Faculty of Applied Science. Department of chemistry.) E-mail:[email protected]
Chromium removal in synthetic wastewater by flame tree-activated carbon was studied. The optimum ratio to produce flame tree-activated carbon of carbon and 60 percent v/v phosphoric acid was1:3. The temperature to activate carbon was 500 deg C under reduction atmosphere for 120 minutes. The 1.5 g of activated carbon removed chromium from synthetic wastewater. The results showed that it could remove chromium at 20 ppm which the absorption time 10 minutes and the percentage of removal chromium was 79 percent.
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