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Journal : prosiding

BIOSURFAKTAN BAKTERI HIDROKARBONOKLASTIK DALAM PROSES BIOTRANSFORMASI POLYAROMATIC HYDROCARBONS (PAHS) : POTENSI AKSELERASI BIODEGRADASI PAHS Hidayati, Nuning Vita; Syakti, Agung Dhamar; Darmayati, Yeti
Prosiding Vol 3, No 1 (2012)
Publisher : Prosiding

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Abstract

Capability of Rhodobacterium bacteraceae in producing biosurfactant were investigated. Biosurfactant has been produced using medium of Mineral Salt Medium with two sources of carbon, which is crude oil (RB-CO) and waste coconut oil (RB-WCO) as carbon sources. Biosurfactant extent was determined by the yield of biosurfactant and the surface tension reduction. Biosurfactant were investigated for their efectiveness on PAHs biodegradation. The results showed that R. bacteraceae can produce biosurfactant, and showed the highest biosurfactant yield (2,791 g/l) when grown on RB-WCO, while we found 2,122 g/l yield on MSM-CO after 72 hours. The best biosurfactant activity was obtained when using waste coconut oil as carbon source, resulted in surface tension reduction up to 29,17 mN/m. Addition of 50 mg of biosurfactant per 200 ml of the mineral salt medium containing 50 ppm PAHs significantly enhanced the PAHs degradation indicating that the organism utilized crude oil as carbon source. Our concluding remarks suggest that biosurfactant from R. bacteraceae when grown on waste coconut oil substrate can be used as an effective agent to be applied on site contaminated with PAHs by enhancing biodegradation rate.
Co-Authors ABDUL JABARSYAH IBRAHIM Aditya Hikmat Nugraha AGUS INDARJO Amir, Amriansyah Amriansyah Amir Ani Suryanti Ani Suryanti Anugrah, Septian Apdillah, Donny Aras Mulyadi Arief Pratomo Asrul Sahri Siregar Asrul Sahri Siregar Chandra Joei Koenawan Charlena Dermawati Sihite Desryati Desryati Devia Hartono Puteri Dewi Haryanti Diah Alviana Diana Azizah Doni Apdillah Dony Apdillah Endang Hilmi Fadhliyah Idris Febrianti Lestari Feri Susanto Gazali Salim Ibnu Kahfi Bachtiar Iswandi Anas Ita Karlina Jaaman, Saifullah Arifin Jelita Rahma Hidayati JULIAN RANSANGAN Jumsurizal Jumsurizal Kadarwan Soewardi Khairil Anam Khodijah Ismail KUN RETNO HANDAYANI Lily Viruly Lovina, Ronaldy Mario Putra Suhana Mas?ud, Zainal Alim Melody Virginia Meris Rahmawati Moh. Yani Mubarak Mubarak Muhammad Abdul Aziz Muhammad Abrar Muhammad Abrar Muhammad Yudhistira Azis, Muhammad Yudhistira Mukti Trenggono Nadya Adharani Nancy Willian Nevrita Nevrita Ni Wayan Purnama Sari Ni Wayan Purnamasari Nofrizal Nofrizal Noviana Nurfarida Nuning Vita HIDAYATI Nuning Vita Hidayati Nuning Vita Hidayati Ocky Karna Radjasa Oksto Ridho Sianturi Prakoso, Lukman Yudho Rika Anggraini Rika Kurniawan Rikoh Manogar Siringoringo Rikoh Manogar Siringoringo Risandi Dwirama Putra Riyanti Riyanti Rizki Aulia Ansari RR. Ella Evrita Hestiandari Satria Agust Sigid Hariyadi Suryati Suryo Gandasasmita SUTRISNO ANGGORO Tengku Said Raza'i Thamrin Thamrin Tri Apriadi Tri Nur Cahyo Try Febrianto Viktor Amrifo Vitasari Vitasari, Vitasari Wahyudin Wahyudin Wan, Ahmad Lutfi Wirayuhanto, Harish Yadi Setiadi Yadi Setiadi yayuk yuliati Yeti Darmayati Yeti Darmayati Yusni Ikhwan Siregar Zainal Alim Mas’ud