Abstract
<p><em>The bioremediation technique </em><em>for</em><em> a contaminated liquid waste of heavy metals using indigen</em><em>ous</em> bacteria is a convenient alternative to steps continues to be developed. The research aims to find out the effectiveness of an indigenous bacterial consortium<em></em><em> in bioremediation of contaminated liquid waste </em><em>by</em><em> cadmium </em><em>by</em><em> ex-situ. Experiments </em><em>were</em><em> arranged in RAL made in ex-situ where a liquid waste industry was given five treatments, namely control and four indigen</em><em>ous</em><em> bacterial consortia (A, D, E, and J) obtained from the isolation of bacteria originating from cadmium-contaminated of waste in Pasuruan </em><em>district</em><em>. Furthermore conducted observations of BOD<sub>5</sub>, COD, d.o. and Cd for seven days to find out the effectiveness of bioremediation. The results showed the four </em><em>indigenous </em><em>bacteria consortia have the bioremediation ability to reduce levels of </em><em>cadmium, </em><em>BOD<sub>5</sub>, COD, and increasing levels of DO. Indigen</em><em>ous</em><em> bacterial consortia D </em><em>has</em><em> the </em><em>best </em><em>ability of liquid industrial waste bioremediation </em><em>by</em><em> ex-situ. Indigen</em><em>ous</em><em> bacteria</em><em>l</em><em> consortia J </em><em>has</em><em> the </em><em>best of </em><em>capacity reduction levels of cadmium, </em><em>then the other of </em><em>indigen</em><em>ous</em><em> bacteria</em><em>l </em><em>consortia.</em><em></em></p><strong><em>Keywords:</em><em> indigenous bacterial, bioremediation, ex-situ, cadmium, liquid waste.</em></strong>
Highlights
Keberadaan logam berat di lingkungan dengan konsentrasi tinggi merupakan pencemar dan masalah lingkungan yang sangat penting sehingga dapat menimbulkan permasalahan ekologi yang serius
The results showed the four indigenous bacteria consortia have the bioremediation ability to reduce levels of cadmium, BOD5, COD, and increasing levels of DO
M.R., Khosravan, A., Farmhand, A., Zare, S. (2008.) Application of metal resistant
Summary
Pengambilan Limbah Cair Limbah cair diambil dari berbagai perairan yang tercemar limbah kadmium di Kabupaten Pasuruan pada bulan Maret 2017. Limbah cair sebanyak 200 ml diletakkan dalam botol kaca steril volum 250 ml dan disimpan pada suhu 4 °C sebelum dilakukan proses lanjut di laboratorium. Botol diberi kode sesuai dengan lokasi pengambilan limbah
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