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All Journal Scientific Contribution Oil and Gas Ketenagalistrikan dan Energi Terbarukan Makara Journal of Technology
Bambang Suryawan, Bambang
Laboratorium Teknik Pendingin dan Pengkondisian Udara, Departemen Teknik Mesin, Fakultas Teknik, Universitas Indonesia, Depok 16424
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Materials Science & Nanotechnology Mechanical Engineering

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METHANE STORAGE PADA KARBON AKTIF PADA TEMPERATUR 27oC, 35oC dan 65oC Martin, Awaludin; Suryawan, Bambang; Alhamid, M. Idrus; Nasruddin, Nasruddin
Ketenagalistrikan dan Energi Terbarukan Vol 9, No 1 (2010): KETENAGALISTRIKAN DAN ENERGI TERBARUKAN
Publisher : P3TKEBTKE

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Abstract

Sistem adsorbed natural gas (ANG) adalah metode distribusi bahan bakar gas yang lebih baik dibandingkan dengan menggunakan compressed natural gas (CNG) hal tersebut dikarenakan ANG menggunakan sistem penyerapan (adsorption system) yang hanya membutuhkan tekananpenyimpanan sekitar 4 MPa. Pada rancangan untuk aplikasi sistem adsorpsi seperti pada penyimpanan gas alam, disamping data karakteristik adsorben seperti luas permukaan dan volume pori, data penyerapan adsorbat pada adsorben juga dibutuhkan. Penelitian ini dilakukan untuk mendapatkan data kapasitas penyerapan CH4 pada karbon aktif sebagai adsorben dengan menggunakan metode volumetrik pada tekanan sampai dengan 3,5 MPa dan pada temperatur 27oC,35oC dan 65oC. Kapasitas penyerapan maksimum pada karbon aktif KT adalah 0.05138 kg/kg pada temperatur 27oC dan tekanan equilibrium 3495,75 kPa. Data eksperimen dianalisis dengan menggunakan model Langmuir dan Toth. Hasil regresi data eksperimen dengan menggunakanmodel Langmuir dan Toth adalah 3,45% dan 2,72% untuk karbon aktif komersial dan 3,95% dan 2,78% untuk karbon aktif KT.
CHARACTERIZATION OF THERMAL PRECIPITATOR IN SMOKE COLLECTOR BY USING PARTICLE COUNTER Hakim, Imansyah Ibnu; Suryawan, Bambang; Kartika D, I Made; Putra, Nandy; Wibowo, Cahyo Setyo
Scientific Contributions Oil and Gas Vol 35, No 1 (2012)
Publisher : PPPTMGB "LEMIGAS"

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.35.1.641

Abstract

Air pollution in major cities in many countries has reaching a very concerning level. One of thecause of air pollution is pollution caused by smoke aerosol. Smoke aerosols that has an averageparticle diameter of 0.1 μm – 1 μm can be found in cigarette smoke, diesel vehicle fume, industrialfume and many else. This condition will be worsen by the increase in the number of smokers, motorvehicles and industry. Therefore we need to pursue the control method for that kind of air pollution.In the literature study, it’s found that the cleaning method of air fi ltration for fi ne particle withdimension of 0.01 – 5 μm are by using thermal precipitator. Thermal precipitator is one method ofair fi ltration based on thermophoretic force, which is if there is a temperature difference betweentwo plates, it will cause the force that will push the particles between the two plates toward theplate that has lower temperature. In the effort to help control and reduce the air pollution, for thisstudy we made a thermal precipitator test equipment to deposit the particles in the air with the useof thermophoretic force. That force is the force applied to the particles that suspended in the fl uidfl ow. The temperature difference between two plates is set at ΔT=5, 10, 15, and 20oC. This studyutilized gas sensors to observe the characterization of thermal precipitator. From the experimentand analysis can be concluded that thermal precipitator can be applied as a smoke collector.
High Pressure Adsorption Isotherm of CO2 on Activated Carbon using Volumetric Method Martin, Awaludin; Suryawan, Bambang; Alhamid, Muhammad Idrus; Nasruddin, Nasruddin
Makara Journal of Technology Vol. 14, No. 2
Publisher : UI Scholars Hub

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Abstract

High Pressure Adsorption Isotherm of CO2 on Activated Carbon using Volumetric Method. Adsorption system is ones of the most effective methods for CO2 separating with other substances that produced from the burning of fossil fuels. In the design for that application, beside of characteristics of porous material (adsorbent) data, CO2 adsorption data on the adsorbent (kinetic and thermodynamic) are also needed. The aim of this research is resulting isothermal adsorption data at pressures up to 3.5 MPa by indirect methods (volumetric method) at isothermal temperature of 300, 308, 318 and 338 K. Adsorbent that used in this research is activated carbon made from East of Kalimantan coals by physical activation method (CO2) which is the surface area of activated carbon is 668 m2/g and pore volume is 0.47 mL/g. Carbon dioxide (CO2) that used in this research is high purity carbon dioxide with a purity of 99.9%. Data from the experiment results then correlated using the Langmuir and Toth equations model. The results showed that the maximum adsorption capacity is 0.314 kg/kg at 300 K and 3384.69 kPa. The results of regression of experiment data using Langmuir and Toth models were 3.4% and 1.7%.
Co-Authors Awaludin Martin Hakim, Imansyah Ibnu Kartika D, I Made M. Idrus Alhamid Muhammad Alhamid, Muhammad Muhammad Idrus Alhamid, Muhammad Idrus Nandy Putra Nasruddin Nasruddin Wibowo, Cahyo Setyo