ABSTRACT: Multi Soil Layering
(MSL) system is a method of wastewater treatment that increase the soils
function to purify wastewater. In the construction of MSL, soils mixed with the
charcoal and then filled into the box of size 50x14x50 cm in layers structured
like brick pattern. The aims of this research are to determine the
concentration of BOD and COD on textile industrial wastewater before and after
the process by MSL method. It also determines the optimal loading rate of
wastewater on the MSL system, and then it can determine the efficiency of MSL
system on reducing the concentration of BOD and COD on textile industrial
wastewater. The method which used in this research is an experimental method.
The wastewater on the MSL system is loaded on the loading rate variety: 160,
320, 480, 640, and 800 L m-2 day-1. The efficiency of MSL system to removing
BOD and COD on textile industrial wastewater are determined on optimal loading
rate. The research gave result that MSL method could remove BOD and COD on
textile industrial wastewater on the optimal loading rate 320 L m-2 day-1. The
efficiency of MSL system in removing BOD and COD on textile industrial
wastewater are 96.52 and 80.87% respectively. This indicated that the method
MSL serve the purpose of effective alternative method in processing of liquid
waste textile industry.
Keywords: MSL method, textile,
wastewater, BOD, COD
Penulis: Irmanto, Suyata
Kode Jurnal: jpkimiadd080011
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