PENGURANGAN KADAR N, P dan Cr6+ PADA LIMBAH CAIR LABORATORIUM SECARA FITOREMEDIASI MENGGUNAKAN ENCENG GONDOK (Eichornia crassipes): STUDI KASUS LIMBAH LABORATORIUM JURUSAN TEKNIK KIMIA UNIVERSITAS GADJAH MADA

Abstract

Laboratory is one of the unit which produce waste with relatively high hazardous content. Based on data of survey in 2009 -2010, waste water from laboratory of Chemical Engineering Department Gadjah Mada University(CED UGM) contain several dominant harzardous compund such as Cr6+, Cd2+, Zn2+, Hg+, Fe2+, Cu2+, Mn2+, NH4+, NO3-, PO43- and SO42. The dominant and frequently found compound is Cr in a form of Cr6+. CED UGM has had Waste Water Treatment Plant (WWTP) to overcome environmental pollution problem from the waste of each laboratory. This WWTP has 3 steps of processes, those ar