EFISIENSI INSTALASI PENGOLAHAN LIMBAH CAIR INDUSTRI BATIK CETAK DENGAN METODE FISIKA-KIMIA DAN BIOLOGI TERHADAP PENURUNAN PARAMETER PENCEMAR (BOD, COD, dan LOGAM BERAT KROM (Cr) (Studi Kasus di Desa Butulan Makam Haji Sukoharjo)

Muljadi Muljadi

Abstract

Population growth and development dynamics is accompained by development of public culture causes requirement of food, clothing and housing also increases. Industrial of printed batik besides yielding printed product which can fulfill requirement in clothing area, but also yields by product most off all in the form of liquid waste having physics characteristic( temperature, turbidity and colours), and chemistry characteristic (COD, BOD, chrome heavy metal (Cr) and exponent hydrogen (pH))) which if when is not managed carefully can generate contamination to environment, so that with the characteristic need to be done processing with method physical-chemistry and biology to reduce parameter in order not to destroy environment and endangers healt before thrown to environment.Purpose of research is to determine level of physics liquid waste pollutant parameter (temperature, turbidity, colour), chemistry parameter (COD,BOD chrome heavy metal (Cr) and exponent hydrogen (pH)). Installation efficiency of waste treatment of printed batik liquid and Freundlich constant for adsorption of zeolit in filtration unit. Research method applied is research of experimental that is by doing watcher, observation, and does attempt in installation unit of wastetreatment of industrial liquid of print batic in countryside Butulan Makam Haji Sub Province Sukoharjo. From research which has been done by result based on data analysis after processing with method physical-chemistry and biology, level physics parameter (temperature 26 oC, density 1.503 gr/ml , viscosity 0,010 cP. While average of chemistry parameter (COD mg/l, BOD mg/l, chrome heavy metal mg/l and hydrogen in exponent (pH)) in Fundamental laboratory Chemical Engineering UNS, and central laboratory UNS each as follow, with wash basin(181, 127, 02258 and 9.7), bar screen (95, 75, 0. 2715, and 8,9), sedimentation basin I( 75 . 63. 0.2715. and 7.6), floculation basin(65. 53.6 . 0.2037.and 7.6) . sedimentation basin II (55 . 44. 0. 2019. and 7.6) . filtration basin( 42. 29. 0.088 and 7.4) and biology basin (29 . 19. 0.086 and 7.4). Level eficiency overall waste treatment of industrial liquid of print batic based on degradation of parameter COD, BOD and chrome heavy metal in the range of 80 – 84 %. Constanta Freundlih based on parameter COD (kF = 5.202 x 10 -5 annalysisd n = 9,990) . based BOD (kF = 3.432 and n = 2.323) Based on inferential data analysis and solution that waste treatment of printed batik liquid with method physical-chemistry and biology to degradation COD, BOD and chrome heavy mttal (Cr) inferential level of efficiency shiffts 80-84 %.

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DOI: https://doi.org/10.20961/ekuilibrium.v8i1.49552

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