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INDONESIA
CHEMISTRY PROGRESS
Published by Universitas Sam Ratulangi
ISSN : 19795920     EISSN : 27158365     DOI : -
Core Subject : Science,
Chemistry
Majalah Ilmiah Chemistry Progress merupakan media untuk menyebarkan informasi ilmiah dan sarana komunikasi bagi para ilmuan dan cendekiawan melalui tulisan-tulisan ilmiah. Majalah Ilmiah Chemistry Progress terbit dua nomor dalam satu tahun (Mei dan November) berisi kajian penelitian dalam lingkup ilmu kimia (organik, anorganik, analitik, biokimia, fisika, bahan alam, lingkungan, pangan, kelautan, pertambangan, farmasi dan komputasi). Jumlah halaman pervolume adalah 55-65 halaman.
Arjuna Subject : -
Articles 11 Documents
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Search results for , issue "Vol 2, No 2 (2009)" : 11 Documents clear
PROFIL KELARUTAN LIMBAH MINYAK BUMI DALAM AIR AKIBAT PENGARUH SURFAKTAN NONIONIK DAN LAJU PENGADUKAN Charlena, Charlena
CHEMISTRY PROGRESS Vol 2, No 2 (2009)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/cp.2.2.2009.4964

Abstract

Petroleum waste is classified as a dangerous waste that cause pollution and damage the environtment.The remediation of petroleum polluted soil could be done by microorganism capability. Additional ofnonionic surfactant and stirring rate would make soil dispersed well in water, facilitating good contactbetween microorganism and petroleum carbon as its feed. In this research, Tween 80 and Brij 35 wereused as surfactants. The observed parameters were concentrations and stirring rates. Surfactantconcentration was selected based on surface tension value and emulsion stability. The highest emulsionstability for Tween 80 observed was 0.24% at concentration 0.0175%, while for Brij 35 equal to 0.22% atconcentration 0.0150%. Stirring rates were applied 100, 120, and 140 rpm, successively based on liquidTotal Petroleum Hydrocarbon (TPH) value. Liquid TPH value at 100, 120, and 140 rpm for Tween 80 andBrij 35 were 0.25, 0.32, 0.40 and 0.36, 0.55, 0.74%, successively. Liquid TPH depicted amount of oil thatwas dispersed into the water. The other parameters such as solid TPH and Chemical Oxygen Demand(COD) obtained for 140 rpm were 15.56% and 41235 mg/L for Tween 80 while for Brij 35 equal to 16.55%and 41717 mg/L Keywords : petroleum waste, nonionic surfactant, stirring rate

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