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Journal : ASEAN Journal of Chemical Engineering

Comparison of Palm Oil Mill Effluent Electrocoagulation by Using Fe-Fe and Al-Al Electrodes: Box-Behnken Design Darmadi Darmadi; Mirna Rahmah Lubis; Hizir Hizir; Aula Chairunnisak; Bastian Arifin
ASEAN Journal of Chemical Engineering Vol 18, No 1 (2018)
Publisher : Department of Chemical Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1120.283 KB) | DOI: 10.22146/ajche.49545

Abstract

This present research aims to compare the COD removal of palm oil mill effluent (POME) by electrocoagulation using iron and aluminum electrodes. Response surface method coupled Box-Behnken design is applicable to investigate the effect of various process parameters (voltage, operating time and electrolyte concentration) and optimum condition. The optimum condition by using iron electrode is in 43 minutes, 20 volts and 0.06 M NaCl with the COD removal of 95.045%. By using electrode aluminum, optimum condition is 40.35 minutes, 19 volts and 0.1 M NaCl with the COD removal of 89.941%. Energy consumption of iron electrode and aluminum electrode are 0.189 and 0.209 kWh/mg decomposed COD with energy costs of Rp. 255 and Rp. 282/mg decomposed COD. This indicates that energy and cost consumption of electrocoagulation by using Al electrode are higher than those by using iron electrode. Based on the investigation during research, iron electrode is better for reducing COD while the aluminum is better in removing color in POME.
Adsorption of Methylene Blue from Aqueous Solutions on Carbon Coated Monolith Darmadi Darmadi; Thomas S.Y Choong; Chuah T.G; Robiah Yunus; Y.H. Taufiq Yap
ASEAN Journal of Chemical Engineering Vol 8, No 1 & 2 (2008)
Publisher : Department of Chemical Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (205.706 KB) | DOI: 10.22146/ajche.50115

Abstract

Carbon coated monolith was used as adsorbent to remove methylene blue from aqueous solution. Adsorption rate and equilibrium parameters of methylene blue were investigated in a batch system. Equilibrium adsorption data were predicted by two isotherms, i.e. the Langmuir and the Freundlich isotherms. The best fit to the data was obtained with the Langmuir isotherm with maximum monolayer adsorption capacity of 191.307 mg/g. Kinetics of adsorption with respect to the initial concentration of dye was described by using both the pseudo-first-order and pseudo-second-order models. It was found that kinetic data fitted well with the pseudo-first-order model.
Co-Authors - Jalaluddin Abrar Muslim Adi Wibowo Adisalamun Adisalamun Adisalamun Adisalamun Adisalamun Adisalamun Adisalamun Adisalamun Adisalamun Adisalamun Agus Suhartono Agustin, Adinda Eka Ahyani, Ahyani Alhuda Anwar Thaib Anwar Thaib Ariska, Maiata Devi Arnentis Arnentis, Arnentis Asiska Permata Dewi Asmara, Josi Farda Khafid Asri Gani Astuti, Indra Puji Aula Chairunnisak Aula Chairunnisak Aula Chairunnisak Aula Chairunnisak Ayu, Giovanni Ayuningtias, Ratih Azhari Azhari Balqist, Tanaya Bastian Arifin Benny Handoyo, Benny Budiono Budiono Budiyono Budiyono Choirunnisa, Nastiti Chuah T.G Cut Meurah Rosnelly Dahnilsyah, Dahnilsyah Daliani, Putri Darmawati Darmawati Debby Widya Kusuma Destiana, Ristian Diva dharma Lindarto, dharma Dhoti, Shofi Ma'rifaturriya Diana Natalia Dianti, Putri Rahma Dipuja, Diah Anugrah Diyah, Anggraeni Donalizarti, Donalizarti Dzikri Hamzah Edi Sudrajat Endang Purwaningsih Ermina Sari Eti Indarti Evi Suryawati Fadhilla, Febriana Nor Fadila, Sarah Farid Farid, Farid Farid Nanda Fatihah, Salsabilla Rima Fatimah, Dafina Febrianty, Rahmatika Feriandi, Yoga Ardian Fitri, Ailsa Fitriana, Elza Fitriana, Nimas Nur Fitriyadi, Enjah Pipit Gaho, Daratul Aini Giovanni, Giovanni Gontar Alamsyah Siregar Guruh, Muhamad Hafit, Muhammad Fairuz Asra Hafni Putri Indriani Indra Halomoan, Yan Kristian Hariyanti, Mariya Keke Hasan, Dedy Haryadi Helmi, Afri Herlina, Sara Hery Widijanto Hesti Meilina Hesti Meilina Hisbullah Hisbullah Hizir Hizir Husni Husin Husni Husin, M.T. Ibrahim, Ishak - Imelda Rey Indah, Erika Irda Sayuti IRWANTO Isa, M Ishak Ishak Jelita, Aulia Vinda Junaedi Abdillah, Junaedi Junizar, Herdya Juwita, Sellia Kamaruzzaman, Suraiya Kustini, Endang Kusuma, Debby Widya Kusuma, Laila Kusuma, Rinda Tri Laila Kusuma lakantina, Sherly Leonardo Basa Dairi M, Iqhramullah M, Irfan M. Yogi Riyantama Isjoni Mahidin Mahidin Mahidin Mahidin Mariani Natalina Mariani Natalina L, Mariani Marwan Marwan Masrul Lubis Medyan Riza Mirna Lubis Mirna Rahmah Lubis Mitri Irianti Muhammad - Muhammad Muhammad Dani Supardan Muhammad Hatta Muhammad Saleh Muhammad Syam, Azhari - Muhammad Zaki Muhammad Zaki Muhammad Zaki Muhammad, Muhammad - Mujiastutik, Dhea Putri Mukramah Yusuf Murtafi’ah, Wasilatul Muslim*, Abrar Musriyani, Iin Muzasti, Riri A. Nabil Nabil, Nabil Napitupulu, Romauli Juliana Nasrullah RCL Nur Aysah, Ervinda Ika Nur, Doni Haidar Nurfarida - Nurfarida Nurfarida, Nurfarida - Nurhazanah Nurhazanah Nurhazanah, Nurhazanah Nursal Nursal, Nursal Opie Azza Shafira Pertiwi, Hernin Diah Permata Pocut Nurul Alam Pratama, Guruh Dwi Pratikso Pratikso Priyandani, Marisa Ayu Purbayani, Dina Rizky Putri, Aldila Rahma Putri, Karisma Anisa Rahmad Setiawan Rahmat, Mudiyono Rahmawati, Alfina Pristya Ramona, Nadia Rasdiansyah Rasdiansyah Rasulyanti, Amalia Rivalino, Ricky Robiah Yunus Robiah Yunus Robiah Yunus Rofi, Latifa Hammimatu Rosyida, Dina Ruka Yulia Saiful Saiful Saiful Saiful Saniya, Saniya Sanusi Sanusi Septiyaningrum, Fina Dwi Putri Serly, Widya Ambar Setiawan Setiawan Setiawan, Johan Siahaan, R. Fanry Silowati, Mintut Siti Mardiana Siti Qomariah, Siti Siti Sarah Siti Sarah, Siti Solihin, Dede Solikah, Nurul Islami Solikin Solikin Sri Adi Widodo Sri Wulandari Suadi Zainal Suraiya Kamaruzzaman Suryani, N Lilis Susanto, Noto Swasti Maharani, Swasti Syatoto, Iman Syavela, Gea Syawaliah Mukhtar T. G. Chuah T. G. Chuah Taufik Rinaldi Taufiq Y.H. Yap Taufiq Y.H. Yap Thomas S.Y Choong Thomas S.Y. Choong Thomas S.Y. Choong Trisna Ningsih Ula, Khayranil Ulfa Rijal Safitri Vera Roni Setiawan Vera Roni Setiawan Wahyu Rinaldi Wahyu, Eka Wahyuni, Liya Tri Wahyuni, Resma Wardani, Yulia Nindi Wasilatul Murtafiah Wiwi Sartika Wulandini, Putri Y.H. Taufiq Yap Yose Rizal Yulia Yesti, Yulia Yulia, Ruka Yulianti, Lia Mustika Novita Yusmadi, Y Yustina Yustina Zamzam, Zamzam Zulfah Zulfah Zulfarina, Zulfarina