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All Journal Reaktor Jurnal Teknik Kimia USU Prosiding Semnastek Sriwijaya International Seminar on Energy-Environmental Science and Technology Communications in Science and Technology Jurnal Purifikasi Jurnal Teknik Kimia Indonesia Jurnal Teknik Kimia USU Makara Journal of Science Makara Journal of Technology

Tania Surya Utami

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

Author-ID : 408850

Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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MODEL ADSORPSI LANGMUIR GAS DINITROGEN MONOKSIDA DALAM SISTEM BIOFILTER DENGAN MEDIUM PUPUK KOMPOS Tania Surya Utami; Josia Simanjuntak; Heri Hermansyah; Mohamad Nasikin
Reaktor Volume 13, Nomor 3, Juni 2011
Publisher : Dept. of Chemical Engineering, Diponegoro University

LANGMUIR ADSORPTION MODEL FOR DINITROGEN MONOXIDE IN BIOFILTER SYSTEM USING COMPOST FERTILIZER MEDIUM. Nitrous oxide (N2O) is mostly emitted from various industrial processes and agricultural activities. This gas causes serious environmental problems and is considered as a dangerous pollutant. In the past, traditional control technologies, such as Selective Catalytic Reduction (SCR) and Selective Non-Catalytic Reduction (SNCR), were applied to control N2O emissions in some industries. However, these two processes required high temperatures and the use of catalysts. Economic and technical constraints in SCR and SNCR methods motivated researchers to develop new, cost-effective processes to remove N2O. Biofiltration is an emerging technology that offers a number of advantages over traditional methods of air pollution control. The purpose of this research is to modelise the biofiltration experimental results into the Langmuir adsorption model. This research is conducted in laboratory scale biofilter column, with parameters studied are effect of biofilter length and N2O gas flowrate. The result of the model is simulated into sensitivity analysis. The average Langmuir constant obtained in the model of the research is 16.006 liter/mol. Dinitrogen Monoksida (N2O) merupakan emisi dari proses industri dan kegiatan pertanian. Gas tersebut merupakan gas polutan berbahaya dan menyebabkan masalah lingkungan yang serius. Sebelumnya, teknologi kontrol tradisional seperti Selective Catalytic Reduction (SCR) dan Selective Non-Catalytic Reduction (SNCR) digunakan untuk mengontrol emisi N2O pada kegiatan-kegiatan industri. Akan tetapi, kedua proses ini membutuhkan suhu yang tinggi dan penggunaan katalis. Adanya masalah dari segi ekonomi dan teknis memotivasi peneliti untuk mengembangkan teknologi baru yang lebih murah dan efisien untuk menghilangkan N2O dari gas buangan. Pengolahan N2O secara biologis dalam proses biofiltrasi adalah salah satu alternatif ramah lingkungan yang dapat digunakan dalam pengelolaan emisi industri. Penelitian ini bertujuan untuk menggambarkan hasil biofiltrasi gas N2O dengan medium pupuk kompos dalam bentuk model adsorpsi Langmuir. Penelitian dilakukan dalam kolom biofilter skala laboratorium, dan parameter-parameter yang diteliti adalah pengaruh dari ketinggian biofilter dan laju alir gas N2O. Hasil dari pemodelan kemudian disimulasikan dalam analisis sensitivitas. Nilai konstanta Langmuir rata-rata yang didapatkan dari pemodelan penelitian ini adalah 16,006 liter/mol.

The effects of biofilm and selective mixed culture on the electricity outputs and wastewater quality of tempe liquid waste based microbial fuel cell Tania Surya Utami; Rita Arbianti; M Mariana; Nathania Dwi Karina; Vifki Leondo
Reaktor Volume 18 No. 2 June 2018
Publisher : Dept. of Chemical Engineering, Diponegoro University

Microbial Fuel Cell (MFC) technology is highly prospective to be developed because it could be utilized as the alternative electricity sources and simultaneously as the wastewater treatment unit using microorganism as catalyst. Industrial Tempe wastewater has the potential to be used as MFC substrate since it still contains high nutrition for microbe and could pollute the environment if it disposed before being processed first. This study focused on investigating the effect of selective mixed culture addition and biofilm formation on the electricity production and the wastewater treatment aspects with tubular single chamber membranless reactor and industrial Tempe wastewater substrate. The result showed that, with the addition of selective mixed culture, the optimum electricity production obtained with addition of 1 ml gram-negative bacteria with increase in electricity production up to 92.14% and average voltage of 17.91 mV, while the optimum decreased levels of COD and BOD obtained with addition of 5 ml gram-negative bacteria which are 29.32% and 51.32%. On the biofilm formation experiment, optimum electricity production obtained from biofilm formation time for 14 days with increase in electricity production up to 10-folds and average voltage of 30.52 mV, while the optimum decreased levels of COD and BOD obtained from biofilm formation time for 7 days which are 18.2% and 35.9%.Keywords : biofilm, Microbial Fuel Cell, selective mixed culture, Tempe wastewater, tubular reactor

Co-Authors Adinda Putri Wisman, Adinda Agustina Siahaan Agustina Siahaan, Agustina Anandho Wijanarko Angelina Annisa Kurnia, Annisa Anondho Wijanarko Anondho Wijanarko Astri Nugroho Astri Nugroho Beta Nadia Manaf, Beta Deni Novitasari, Deni Dianursanti Diki Firdaus, Diki Eki Listya Rini Ester Kristin, Ester Fadilah Putri, Najah Fajar Achmadi Prianto Guruh Mehra Mulyana Hanung Adi Nugroho Heri Hermansyah Ira Setiawati Ira Trisnawati, Ira Josia Simanjuntak Kitakawa, Naomi Shibasaki M Mariana Maemonah, Maemonah Misri Gozan Mohamad Nasikin Mohammad Nasikin Mohammad Nasikin Momoji Kubo Momoji Kubo, Momoji Naomi Shibasaki-Kitakawa Naomi Shibasaki-Kitakawa, Naomi Nathania Dwi Karina Naufal Azrizal Prasetyo Praswasti P. D.K Wulan Praswasti P. D.K Wulan, Praswasti P. D.K Prianto, Fajar Achmadi Purwati Latifah, Linatri Randi Sitorus Rita Arbianti Roekmijati W. Soemantojo Roekmijati W. Soemantojo, Roekmijati W. Septian Marno Siahaan, Agustina TP Slamet Sri Amini Suryapranata, Bryan Toshiy Yonemoto Toshiy Yonemoto, Toshiy Vifki Leondo Wijanarko, A. Yuliusman Yuliusman Yuswan Muharam

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