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All Journal Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri
Ulet Putri Hayati
Teknik Lingkungan, Sekolah Tinggi Teknologi Industri Padang
Computer Science & IT Engineering Industrial & Manufacturing Engineering

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PEMANFAATAN LIMBAH KULIT BUAH KAKAO SEBAGAI ADSORBEN UNTUK PENYERAPAN ION LOGAM KROMIUM (VI) PADA LIMBAH ELEKTROPLATING DI BUKITTINGGI Ulet Putri Hayati; Hendri Sawir
Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri Vol 17, No 1 (2017): JURNAL SAINS DAN TEKNOLOGI
Publisher : Sekolah Tinggi Teknologi Industri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (70.071 KB) | DOI: 10.36275/stsp.v17i1.63

Abstract

The ability of cacao (Theobroma cacao) peels to remove metal ions chromium (VI) from waste water has been investigated. Effect of pH, initial concentration of metal ions solution, contact time, adsorbent mass and particle size of adsorbent with batch method has been studied. The optimum conditions for metal ions chromium (VI) was found at pH 6 with initial concentration of 750 mg/L, contanct time 15 minutes, adsorbent mass 0,1 gram and particle size 32 µm. This optimum conditions have been applied to electroplating waste in Jirek – Bukittinggi, gave capacity of adsorption metal ions chromium (VI) about 0,0776 mg/g and efficiency of adsorption about 84,07 %. Keywords : Cacao (Theobroma cacao) peels, metal ions chromium (VI), adsorbent and adsorption
Co-Authors Hendri Sawir