PENGOLAHAN LIMBAH CAIR INDUSTRI LATEKS PEKAT DENGAN BERBAGAI ADSORBEN LOKAL

Ike Setyorini, Nursamsi Sarengat, Prayitno Prayitno, Sugihartono Sugihartono

Abstract


Berbagai jenis adsorben lokal yaitu sekam bakar, zeolit, arang kayu, dan abu terbang bagas digunakan untuk mengadsorpsi polutan pada limbah cair industri lateks pekat. Karakteristik effluent yang digunakan berasal dari sistem pengolahan limbah terpasang masih keruh dan berbau, dengan nilai pH 5,9-7,9; COD 396,8 – 8594 mg/l; BOD 80,82 – 2384 mg/l; TSS 126 – 12668 mg/l, dan amonia 10,4 – 28,6 mg/l. Effluent dialirkan pada peralatan pengolahan limbah cair sistem adsorpsi dengan variasi jenis adsorben pada berbagai % volume adsorben dengan kecepatan alir tertentu. Limbah cair setelah adsorpsi diuji nilai pH, COD, BOD, TSS, dan amonia. Hasil penelitian menunjukkan adsorben dapat menurunkan nilai COD, BOD, TSS, dan amonia dengan persentase yang bervariasi untuk masing-masing jenis adsorben. Semakin besar volume adsorben yang digunakan menunjukkan kecenderungan penurunan nilai polutan yang lebih baik.

 

Kata kunci:   adsorpsi, adsorben lokal, limbah cair lateks pekat


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