Pengaruh Ukuran Partikel Dan Waktu Kontak Adsorben Arang Aktif Kulit Kakao (T…

ABSTRACT Water and soil are generally susceptible to environmental pollution, one of the causes of pollution is the iron compound Fe2+. If the concentration of dissolved iron in the water exceeds the limit, it will cause problems such as pipes becoming corrosive. Fe metal contamination can be handled by the adsorption process using activated charcoal as an adsorbent. Cocoa rind contains high e…