STUDI PENDAHULUAN OZONASI (KATALITIK DAN NON KATALITIK) LIMBAH CAIR KARBOFURAN

Enjarlis Enjarlis; S. Bismo; Slamet Slamet; Roekmijati Roekmijati

doi:10.14710/reaktor.10.2.88-95

DOI: https://doi.org/10.14710/reaktor.10.2.88-95

STUDI PENDAHULUAN OZONASI (KATALITIK DAN NON KATALITIK) LIMBAH CAIR KARBOFURAN

*Enjarlis Enjarlis - Departemen Teknik Kimia, Fakultas Teknologi Industri, Institut Teknologi Indonesia, Indonesia

S. Bismo - Departemen Teknik Kimia, Fakultas Teknik, Universitas Indonesia, Depok 16424, Indonesia

Slamet Slamet - Departemen Teknik Kimia, Fakultas Teknik, Universitas Indonesia, Depok 16424

Roekmijati Roekmijati - Departemen Teknik Kimia, Fakultas Teknik, Universitas Indonesia, Depok 16424

Published: 7 Dec 2006.

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Abstract

Karbofuran adalah insektisida yang banyak digunakan oleh petani padi di Indonesia. Di perairan karbofuran berpotensi membentuk organoklorida dengan klor atau turunan klor. Oleh sebab itu, karbofuran digunakan sebagai objek penelitian untuk disisihkan dalam air dengan proses ozonasi. Proses ozonasi mampu menguraikan organik kompleks menjadi sederhana dan meningkatkan sifat biodegradable. Tujuan penelitian yaitu membandingkan penyisihan karbofuran dalam air dengan proses ozonasi non-katalitik dan katalitik menggunakan katalis karbon aktif. Ragam percobaan yaitu pH (2, 7, dan 9) pada suhu kamar selama 60 menit. Analisis konsentrasi karbofuran menggunakan kromatografi gas dan konsentrasi zat organik sebagai Chemical Oxigen Deman (COD) secara titrasi pada satiap10 menit selama 60 menit. Hasil percobaan memperlihatkan proses ozonasi katalitik dan non-katalitik terbaik pada kondisi basa (pH 9) dengan penyisihan karbofuran 100 % dan COD turun dari 134 ppm menjadi 38 ppm untuk ozonasi katalitik, sedangkan pada ozonasi non-katalitik penyisihan karbofuran 46,4 % dan COD turun menjadi 70 ppm. Perubahan suhu dan pH selama proses baik ozonasi katalitik maupun non-katalitik tidak menunjukkan perubahan yang berarti.

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Keywords: Karbofuran; karbon aktif; ozonasi kataliti; ozonasi-non katalitik

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Section: Research Article

Language : EN

In Volume 10, Nomor 2, Desember 2006

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