Pengaruh Tekanan Transmembran dan Konsentrasi Chemical Cleaning Agent (NaOH) pada Penyisihan Fosfat dari Limbah Laundry dengan Membran Ultrafiltrasi Aliran Cross Flow

Syarfi Daud, Muhammad Reza, Eqiu Alkahfi Tarif

Abstract


The rapid economic development and community activities increasingly crowded cause appearance laundry business that effect on the environment. Ultrafiltration membrane is one of wastewater treatment technologies, but membranes have limitations such as the occurrence of the phenomenon of concentration polarization and fouling. The research objective of this study the effect of variations in transmembrane pressure against the rejection percentage Phosphate and the effect of variations in transmembrane pressure, concentration of washing of the efficiency and effectiveness of washing the membrane. the concentration of the washing of the efficiency and effectiveness of washing the membrane. The process of ultrafiltration membranes and membrane chemical washing wastewater laundry do with variations in pressure of 1 bar , 2 bar , and 3 bar. Variation of chemical cleaning agent concentration of 1%, 1.5% and 2%, rinsing with distilled water for 30 minutes, filtering wastewater laundry for 120 minutes, and washing using chemical cleaning agent (NaOH) for 30 minutes. Results highest percentage of rejection was 82.9% for Phosphate parameters in transmembrane pressure of 3 bar. The highest washing efficiency of the value of Flux Recovery (FR) gained 81.9%, and the value of resistance of Removal (RR) gained 82.59% with a concentration of 2% in the transmembrane pressure of 3 bar. The highest leaching effectiveness obtained at 50.21% with a concentration of 2% and a transmembrane pressure of 3 bar.


Keywords


ultrafiltration membrane;fouling;transmembrane pressure;efficiency of washing;effectiveness of washing

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DOI: https://doi.org/10.29103/jtku.v5i2.84

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