Keefektifan Em-4 (Effective Microorganism-4) Dalam Menurunkan Chemical Oxygen Demand (Cod) Limbah Cair Industri Batik

Ramlan, Muh and , Dwi Astuti, M. Kes. (2017) Keefektifan Em-4 (Effective Microorganism-4) Dalam Menurunkan Chemical Oxygen Demand (Cod) Limbah Cair Industri Batik. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Based on the results of examination of COD in industrial waste water Nggemblegan Village sub district Kalikotes batik Klaten exceeds standard quality raw wastewater Perda Jateng No. 5 in 2012 that is 482.5 mg/l. purpose of this research is to analyse the effectiveness of EM-4 in lowering levels of COD of waste liquid batik industry. Experimental method used with pretest-posttest design with control group. The number of samples used is 12 litres, each treatment takes 1 liter of waste with 3 repetitions. The results of the laboratory test on the levels of COD, controls an average of 447.3 mg/l, and in the treatment group 1 ml/l, 2 l, and ml/3 ml/l COD levels an average of 393.2 mg/l, 302.6/l, mg 280.2 mg/l. dose effect on the decline of COD in the dose of 3 ml/l of 72,5%. The results of the anova statistical test shows (p < 0.01) there is the influence of the EM-4 against a decline in the levels of COD of waste batik.

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	COD, Batik, liquid waste EM-4
Subjects:	R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine
Divisions:	Fakultas Ilmu Kesehatan > Kesehatan Masyarakat
Depositing User:	MUH RAMLAN
Date Deposited:	20 Apr 2017 04:02
Last Modified:	20 Apr 2017 04:02
URI:	http://eprints.ums.ac.id/id/eprint/52082

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