Kamis , 1 Oktober 2020
Home / Penelitian / 2010 / PEMANFAATAN BIOFLOKULAN DARI PATI KETELA (Manihot utilissima) DAN KENTANG (Solanum tuberosum L) UNTUK MENINGKATKAN KUALITAS LIMBAH CAIR PROSES BEAM HOUSE

PEMANFAATAN BIOFLOKULAN DARI PATI KETELA (Manihot utilissima) DAN KENTANG (Solanum tuberosum L) UNTUK MENINGKATKAN KUALITAS LIMBAH CAIR PROSES BEAM HOUSE

PRASETYO HERMAWAN1), dan SUHARYANTO


ABSTRACT

The concern for environmental and ecological issues encourages the use of the biodegradable flocculants in waste water and industrial effluent treatments. Bio-flocculants from natural polysaccharides such as starch are preferred because of their safe, easy handling and more economical alternative for countries where the plant is available. Bio-flocculants from tuber of cassava (manihot utilissima) and potato (solanum tuberosum L) have been investigated to treat water effluent from beam house processes. A series of jar tests were conducted to determine the parameters involved during coagulation-flocculation process. The operating parameters were the effects of bioflocculant dosage and pH of water waste. The different operating parameters influence the reduction of the turbidity, decreasing of the pH and sludge volume of waste water. The treatment using 2 ml (40 mg/L) dosage bioflocculant from cassava and 1 ml (20 mg/l) bioflocculant from potato with 12,5 ml (25 mg/l) of coagulant PAC at pH 8,26 as a natural of beam house waste water resulted in 117 NTU (70,9%) turbidity reduction, 0,29 unit decreasing of pH and 4 ml volume of sludge.

Keywords: bio-flocculants, starch, manihot utilissima, solanum tuberosum L, beam house

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