Menu Close

Prof. Tjokorde Walmiki Samadhi, Ph.D.

Educations

Doctor of Philosophy (2003), Ceramic Engineering & Materials Science, Alfred University, United Stated of America

Master of Engineering (1997), Chemical Engineering, Institut Teknologi Bandung, Indonesia

Bachelor of Engineering (1994), Chemical Engineering, Institut Teknologi Bandung, Indonesia

Research fields: Valorization of Inorganic Solid Waste Materials; Synthesis of Alkali-Activated Silicate Materials; High-Temperature Thermochemistry of Materials; Statistical Experimental Design and Statistical Process Control; Engineering Curriculum Development and Learning Quality Assurance

Email: twsamadhi@che.itb.ac.id | Google Scholar | Research Gate

Employment & Appointments

  • Criteria Committee Chair | Engineering Independent Accreditation Institution | Institute of Engineers Indonesia (Lembaga Akreditasi Mandiri Keteknikan | Persatuan Insinyur Indonesia) | 2020 – present
  • Criteria Commission Chair | Indonesian Accreditation Board for Engineering Education | 2020 – present
  • Program Assessor | Higher Education Institution National Accreditation Board (Badan Akreditasi Nasional Perguruan Tinggi) | 2019 – present
  • Member | Evaluation & Accreditation Commission | Indonesian Accreditation Board for Engineering Education | 2016 – present
  • Vice Dean of Academic Affairs | Faculty of Industrial Technology | Institut Teknologi Bandung | Indonesia | 2015 – present
  • Undergraduate Chair | Chemical Engineering Program | Faculty of Industrial Technology | Institut Teknologi Bandung | Indonesia | 2012 – 2015
  • Associate Professor | Chemical Engineering Program | Faculty of Industrial Technology | Institut Teknologi Bandung | Indonesia | 2010 – present
  • Postdoctoral Researcher | Department of Chemical & Petroleum Engineering | University of Wyoming | Laramie | Wyoming | United State of America | 2008 – 2009
  • Assistant Professor | Chemical Engineering Program | Faculty of Industrial Technology | Institut Teknologi Bandung | Indonesia | 2003 – 2010
  • Senior Process Engineer | Corning Inc. | Corning | New York | United State of America | 2001 – 2003
  • Lecturer | Department of Chemical Engineering | Institute Teknologi Bandung | Indonesia | 1995 – 2001

Professional Associations & Organizations

  • Member | Chemical Engineering Chapter of the Indonesian Institute of Engineers (BKK-PII) | 2012 – present
  • Curricular Section Coordinator | Indonesian Chemical Engineering Higher Education Association (APTEKIM) | 2012 – 2015

Funded Research Projects

  • Principal Investigator | Research, Community Engagement & Innovation Program (P3MI) | Chemical Engineering Product Design & Development Research Group | Faculty of Industrial Technology | Institut Teknologi Bandung | Oxide Nanoparticle Synthesis Using Plant Extract Reductor | 2020
  • Principal Investigator | Osaka Gas Foundation for International Cultural Exchange Research Grant | Modifications of Natural and Synthetic Fibers for Sorbent Materials in Oil Spill Disaster Response | 2019-2020
  • Principal Investigator | Research, Community Engagement | & Innovation Program (P3MI) | Chemical Engineering Product Design & Development Research Group | Faculty of Industrial Technology | Institut Teknologi Bandung | Synthesis of Geopolymer from Mineral Waste Materials | 2019
  • Investigator | Oil Palm Research Grant | Joint Research between Institut Teknologi Bandung and Universitas Mulawarman | Recovery of Potassium from Oil Palm Processing Waste | 2018-2019
  • Principal Investigator | Republic of Indonesia Ministry of Research, Technology & Higher Education Priority Fundamental Research Program (PDUPT) | Extended Study on the Valorization of Biomass Ash via Geopolymer Synthesis | 2018
  • Principal Investigator | Research, Community Engagement & Innovation Program (P3MI) | Chemical Engineering Product Design & Development Research Group | Faculty of Industrial Technology | Institut Teknologi Bandung | Synthesis of Geopolymer from Mineral Waste Materials | 2018
  • Principal Investigator | Republic of Indonesia Ministry of Research, Technology & Higher Education Priority Research Program (PUPT) | Extended Study on the Valorization of Biomass Ash via Geopolymer Synthesis | 2017
  • Principal Investigator | Research, Community Engagement | & Innovation Program (P3MI) | Chemical Engineering Product Design & Development Research Group | Faculty of Industrial Technology | Institut Teknologi Bandung | Mineralization Characterization of Indonesian Biomass Resources | 2017
  • Principal Investigator | Bandung Institute of Technology Research Group Grant | Valorization of Coal-Biomass Blended Ash Through Geopolymer Material Development | 2016
  • Principal Investigator | Asahi Glass Foundation Research Grant | Application of Glassy Waste Materials for the Synthesis of Eco-Friendly Geopolymers | 2014 – 2015
  • Principal Investigator | Bandung Institute of Technology Research Group Grant | Development of Geopolymer from Inorganic Waste Materials | 2013
  • Principal Investigator | Osaka Gas Foundation for International Cultural Exchange Research Grant | Minimum Miscibility Pressure Evaluation in Enhanced Oil Recovery Using CO2 – Flare Gas – Flue Gas | 2012
  • Principal Investigator | Bandung Institute of Technology Research Group Grant | Application of Flare Gas in Enhanced Oil Recovery by Miscible Gas Flooding | 2011
  • Principal Investigator | Bandung Institute of Technology Research Group Grant | Development of Coated Buton Granular Asphalt Product | 2010
  • Principal Investigator | Bandung Institute of Technology Alumni Foundation Research Grant | Development of Gamma-Alumina Catalyst Support from Indonesian Kaolin | 2010
  • Postdoctoral Researcher | Chemical & Petroleum Engineering Department | University of Wyoming | Minimum Miscibility Pressure Calculation for Enhanced Oil Recovery (EOR) by Miscible Gas Flooding | 2008 – 2009
  • Principal Investigator | Bandung Institute of Technology Research Award | Development of Clay-Based Heterogeneous Catalyst for Biodiesel Synthesis | 2005
  • Principal Investigator | Osaka Gas Foundation for International Cultural Exchange Research Grant | Thermochemistry of Coal Ash Vitrification as an Alternative Waste Remediation Process | 2004
  • Principal Investigator | Asahi Glass Foundation Research Grant | Development of Active Clay Catalyst for Biodiesel Synthesis | 2004
  • Principal Investigator | Bandung Institute of Technology Competitive Research Award | Development of Spent Lubricant Reclamation Process Based on the Adsorption on Active Clays | 2004

Engineering Service Projects

  • Team Leader | PT LAPI ITB | Detailed Feasibility Study of 30,000 kL/yr Bioethanol Plant for Pertamina – RNI – Toyota Consortium | 2019
  • Process & Techno-Economic Sub-Team Leader | PT LAPI Ganeshatama | Feasibility Study of Cement Plant Development in East Kalimantan for PT Semen Kaltim | 2018
  • Materials Engineer | Asian Management Consulting | Development of Best Available Technology/Best Environmental Practices Guide for PBDE-Containing Plastics from Electronic Waste for UNDP | 2018
  • Team Leader | PT LAPI ITB | Shallow Gas Outbreak Incident Study in Indramayu Regency for PT Pertamina EP – Asset III Jatibarang | 2018
  • Team Leader | PT LAPI ITB | Detailed Feasibility Study on Lignocellulosic Bioethanol Plant for Pertamina – RNI – Toyota Consortium | 2017 – 2018
  • Process Sub-Team Leader | LAPI ITB | Study on Ferronickel Oxide Waste Stockpiling & Reuse for Harita Nickel Group | Obi Island | North Maluku | 2017
  • Team Leader | RH Petrogas Basin | Assessment of Crude Pumping Station Greenhouse Gases Emission in Arar Field | West Papua | 2016
  • Lead Process Consultant | Republic of Indonesia Ministry of Industry | Feasibility Study of Semen Kupang III Cement Plant Expansion | Kupang | 2015
  • Team Leader | SKK MIGAS & LAPI ITB | Evaluation of Front End Engineering Design Bid Package of Tangguh LNG Train-3 Facility | 2014
  • Senior Process Engineer | PT PLN & LETMI ITB | Pre-Feasibility Study of LNG Regasification Station Development for Peak-Shaving Power Stations | 2014
  • Team Leader | PT Surveyor Indonesia | Greenhouse Gases Emission, Turbine NOx Emission, and Aromatics in Condensate Studies for Donggi-Senoro LNG Plant | 2013 – 2014
  • Process Engineer | Pertamina – Petrochina East Java JOB & PT Aimtopindo Nuansa Kimia | Greenhouse Gases Emissions Assessment of Mudi & Sukowati Oil Production Facilities | 2013
  • Process Engineer | Chevron Geothermal – PT Aimtopindo Nuansa Kimia | Evaluation & Redesign of Caustic Injection System at Garut Geothermal Power Plant | 2012
  • Process Subteam Leader | PT Surveyor Indonesia | Development of Greenhouse Gas Calculation Manual for Donggi Senoro LNG Plant | 2012
  • Process Safety Engineer | Pertamina – Petrochina East Java JOB – PT Aimtopindo Nuansa Kimia | Fire Hazard Analysis of Mudi Wellpad Facilities | 2012
  • Team Leader | PT Pertamina Hulu Energi – PT LAPI ITB | Conceptual Redesign of Condensate Stabilization Plant | 2011
  • Process Safety Engineer | Pertamina – Petrochina JOB – PT Aimtopindo Nuansa Kimia | Fire Hazard Analysis of Mudi CPA | 2010
  • Team Leader | PT Oiltanking Merak – PT LAPI ITB | Investigation of Filter Blocking Tendency (FBT) Failure of Diesel Fuel Products in Onshore Storage Facility | 2010
  • Team Leader | PT Pertamina EP – PT LAPI ITB | Sensitivity Study of Merbau Gas Production Facility Process Design in South Sumatra Region | 2009
  • Team Leader | PT Pertamina EP | Preliminary Site Survey and Inspection Planning of Manifold Piping Deformation due to Overpressure at Merbau Gas Production Facility in South Sumatra Region | 2009
  • Team Leader | PT Pertamina EP – PT LAPI ITB | Process Design Modification of Merbau Gas Production Facility in South Sumatra Region | 2008
  • Sub-Project Team Leader | PT LAPI ITB – Banten Bay Refinery Co. – Axens | Preliminary Environmental Impact Analysis Revision for a Petroleum Refinery in the Banten Bay Area | 2008
  • Team Leader | Bandung Institute of Technology Institute for Industrial Affiliation – PT Pertamina EP | Review of Front End Engineering Design of Matindok Surface Production Facilities in Central Sulawesi | 2008
  • Team Leader | Executive Board for Upstream Oil & Gas Production Operations of the Republic of Indonesia (BPMIGAS) | Reliability Assessment of Existing LNG Plants in Indonesia | 2008
  • Team Leader | PT Pertamina EP – LPPM ITB | FEED Re-Engineering of PPGJ Natural Gas Production Facility in Blora Area in Central Java | 2007 – 2008
  • Sub-Project Team Leader | PT LAPI ITB – PT Elnusa – Axens | Preliminary Environmental Impact Analysis of a Grassroot Petroleum Refinery in the Banten Bay Area in Java | 2006 – 2007
  • Ceramic Specialist | Ministry of Industry of the Republic of Indonesia & PT Kalam Kalijaga | Assessment of Technological Capabilities of Indonesian Ceramic Industries | 2006
  • Team Leader | PT LAPI ITB – Chevron Indonesia Co. | Improvement of Laboratory Standard Operating Procedures according to ISO 17025 | 2005 – 2006

Research Grants

  • Asahi Glass Foundation | Application of Glassy Waste Materials for the Synthesis of Eco-Friendly Geopolymers | 2015 – 2016
  • Program Riset dan Inovasi KK ITB 2013 | Rekayasa Geopolimer sebagai Bahan Konstruksi Rendah Energi yang Memanfaatkan Limbah Aluminosilikat
  • Osaka Gas Foundation 2012 | Evaluasi Minimum Miscibility Pressure pada Proses Enhanced Oil Recovery dengan Injeksi CO2 – Flare Gas Flue Gas untuk Peningkatan Produksi Minyak & Pengendaliaan Emisi Gas Rumah Kaca
  • Program Riset dan Inovasi KK ITB 2011 | Evaluasi Minimum Miscibility Pressure sebagai Elemen Rekayasa Enhanced Oil Recovery dan Upaya Pengelolaan Flare Gas
  • Ikatan Alumni ITB 2010 | Utilization of Indonesian Kaolin as a Precursor for Hydrocarbon Processing Catalyst Support

Facilitator in Industrial Short Courses

  • Process Safety Course for PT Pupuk Kujang Plant Operators | 2014
  • Fundamentals in Process Engineering for Non-Process Engineers Course for PT Conoco Phillips Indonesia | 2014
  • Process Troubleshooting Course in Master Degree Program for PT Badak NGL | 2012
  • Fundamentals of Process Engineering Course for BP Tangguh Operators via PT LAPI ITB | 2012
  • Statistical Process Control In-House Training for PT Unilever Indonesia | Cikarang Plant | 2011
  • Industrial Statistics In-House Training for PT Newmont Nusa Tenggara | Batu Hijau | Sumbawa | 2011
  • Chemical Process Technology D-1 Course Program for Fresh Operators for PT Petrokimia Gresik | 2010
  • Gas Processing Technology Course for Premier Oil FPSO Operators | 2010
  • Basic Gas Processing Technology Course I & II for PT Badak NGL Plant Operators | 2006 | 2010

Facilitator in Academic Short Courses

  • Workshop on Outcomes-Based Curriculum | Faculty of Veterinary Science | Universitas Brawijaya | December 2019
  • Curriculum Workshop on Outcomes-Based Assessment | Faculty of Agricultural Technology | Universitas Brawijaya | March 2019
  • Workshop on Outcomes-Based Education in National Framework | Chemical Engineering Department | Institut Teknologi Nasional | Malang | October 2018
  • Workshop on Curriculum Revitalization | National & International Accreditation | Industrial Engineering Higher Education Institution Collaboration Board (Badan Kerjasama Penyelenggara Pendidikan Tinggi Teknik Industri) | August 2018
  • Workshop on the Development of Curriculum Based on Indonesian National Competence Framework (KKNI) | Chemical Engineering & Mechanical Engineering Departments | Universitas Sumatera Utara | October 2017
  • Curriculum Workshop in Preparation for Outcomes-Based Accreditation | Faculty of Agricultural Technology | Universitas Gadjah Mada | Yogyakarta | August 2017
  • Curriculum Workshop | Implementation of Learning Outcomes in Course Syllabi | Chemical Engineering Department | Universitas Brawijaya | Malang | July 2019
  • Workshop on ABET Visitation Preparation for Mechanical Engineering, Geodetic Engineering, Civil Engineering, & Agricultural Industrial Technology Programs | Universitas Gadjah Mada | June 2017
  • Workshop on the Development of Curriculum Based on Indonesian National Competence Framework (KKNI) | Chemical Engineering Department | Universitas Jenderal Achmad Yani | Cimahi | May 2017
  • Workshop for ABET International Accreditation Preparation | Mechanical Engineering Program | Universitas Gadjah Mada | Yogyakarta | April 2017
  • Workshop on Outcomes – Based Education & International Accreditation Preparation | Universitas Gadjah Mada | February 2017
  • Workshop on Outcomes – Based Assessment | School of Pharmacy | Institut Teknologi Bandung | August 2015
  • Technical Assistance in Preparation of Self-Study Report for ABET Accreditation | Environmental Engineering Program | Universitas Islam Indonesia | Yogyakarta | August 2015
  • Workshop on Elements of Outcomes – Based Curriculum | Chemical Engineering Department | Universitas Muhammadiyah Surakarta | May 2015
  • Training to Develop the Courses Syllabus and Lesson Plan | Universitas Negeri Semarang | June 2014

Honors & Awards

  • Institut Teknologi Bandung World Class University Summer School Scholarship 2018 | Competitive Grant for Organizing Joint Summer Short Course with Overseas Universities | Program Name is Singapore Polytechnic | ITB Learning Express 2018
  • Satyalancana Karya Satya XX | 2018
  • Institut Teknologi Bandung World Class University Visiting Professor Scholarship 2017 | Competitive Grant to Invite Visiting Professor from World-Renowned Universities for Teaching and Curriculum Development | Visiting Professor: Mukund V. Karwe | School of Environmental & Biological Sciences | Rutgers University | USA | 2017
  • Best Session Presentation | 2016 International Conference on Materials Engineering & Nanotechnology | Taipei | Taiwan | for presentation: T.W. Samadhi, W. Wulandari, F.G. Gumilar, & K.F. Ramadani | Thermomechanical Characterization of Blended Biomass-Coal Ash Waste Materials | 2016
  • Institut Teknologi Bandung Internationalization Scholarship 2014-2015 | Competitive Grant to Establish International Academic Partnership in Preparation for the Establishment of Chemical Engineering Undergraduate International Class
  • 3rd Place Winner | National Distinguished Program Chair 2013 | Republic of Indonesia Ministry of National Education | for Leading the Initial International ABET Accreditation Achievement of the Chemical Engineering Undergraduate Program at ITB
  • Best Paper 2011 | ITB Journal of Engineering Sciences (Journal of Engineering & Technological Sciences) for Paper | T.W. Samadhi, Subagjo, Kevin R. Lismana & Khasin Fuadi | Synthesis of γ-Al2O3 Catalyst Support from Kaolin of Indonesian Origin | ITB Journal of Engineering Science | Vol. 43 No. 2 | pp. 113-126 | July 2011
  • Visiting Researcher at the National Institute of Advanced Industrial Science & Technology (AIST) | Tsukuba | Japan | via the 2010 Japan National Energy Foundation (NEF) Biomass Researcher Invitation Program | November – December 2010
  • Satyalancana Karya Satya X | 2010
  • Visiting Lecturer in Master-Level Statistical Experimental Design Course at the Chemical Engineering Department | University of Borås | Sweden | via the 2009 Linnaeus-Palme Exchange Program | November 2009

Key Publications

  • Samadhi, T. W., Purbasari, A., & Wulandari, W. (2020). Geopolymer preparation from bamboo ash containing kaolin as ash fusion control agent. Materials Science Forum, 982, 189-194. Trans Tech Publications Ltd.
  • Purbasari, A., Samadhi, T. W., & Bindar, Y. (2020). Prediction of high temperature behavior of geopolymer from solid wastes using gibbs energy minimization approach. Journal of Engineering Science and Technology Review, 13(2), 185-190.
  • Shofinita, D., Bindar, Y., Samadhi, T. W., Jaelawijaya, A. A., & Fawwaz, M. (2020). Reducing the stickiness of dragon fruit skin extract powder as food colorant by addition of maltodextrin during freeze drying. AIP Conference Proceedings, 2219(1), 070011. AIP Publishing LLC.
  • Rahayu, E., Wonoputri, V., & Samadhi, T. W. (2020). Plant extract-assisted biosynthesis of zinc oxide nanoparticles and their antibacterial application. IOP Conference Series: Materials Science and Engineering, 823, 012036.
  • Samadhi, T. W., Wulandari, W., & Tirtabudi, K. R. (2020). Oil palm empty fruit bunch ash valorization through potassium extraction. IOP Conference Series: Materials Science and Engineering, 823, 012035.
  • Samadhi, T. W., Wulandari, W., Amalia, R. A., & Khairunnisah, R. (2019). Potassium recovery from tropical biomass ash. AIP Conference Proceedings, 2085(1), 020003. AIP Publishing LLC.
  • Purbasari, A., Samadhi, T. W., Bindar, Y., & Wulandari, W. (2019). Thermal characteristics of geopolymer from co-combustion residuals of bamboo and kaolin. In Journal of Physics: Conference Series, 1295(1), 012069. IOP Publishing.
  • Samadhi, T. W., Wulandari, W., Suroto, A., & Agung, D. S. (2019). Synthesis of geopolymer from blends of tropical biomass ashes. IOP Conference Series: Materials Science and Engineering, 622(1), 012034. IOP Publishing.
  • Purbasari, A., & Samadhi, T. W. (2019). Sintesis geopolimer dari metakaolin dan abu bambu untuk aplikasi semen: Kajian waktu ikat dan mikrostruktur. Jurnal Inovasi Teknik Kimia, 4(2).
  • Samadhi, T. W., Narcia, F., & Amril, H. (2018). Preliminary evaluation of potassium extraction from bamboo ash. MATEC Web of Conferences, 156, 03027. EDP Sciences.
  • Purbasari, A., Samadhi, T. W., & Bindar, Y. (2018). The effect of alkaline activator types on strength and microstructural properties of geopolymer from co-combustion residuals of bamboo and kaolin. Indonesian Journal of Chemistry, 18(3), 397-402.
  • Purbasari, A., Samadhi, T. W., & Bindar, Y. (2018). Sulfuric acid resistance of geopolymer mortars from co-combustion residuals of bamboo and kaolin. ASEAN Journal of Chemical Engineering, 18(2), 22-30.
  • Samadhi, T. W., Wibowo, N. T., & Athaya, H. (2017). Reuse of aluminosilicate waste materials to synthesize geopolymer. Materials Research Express, 4(8), 084001.
  • Purbasari, A., Samadhi, T. W., & Bindar, Y. (2017). Synthesis and Characterization of Bamboo Ash Based Geopolymer Cement. Advanced Science Letters, 23(6), 5723-5725.
  • Samadhi, T. W., Hirotsu, T., & Goto, S. (2017). Measurement of antioxidant effects on the auto-oxidation kinetics of methyl oleate–methyl laurate blend as a surrogate biodiesel system. Bulletin of Chemical Reaction Engineering & Catalysis, 12(2), 157-166.
  • Samadhi, T. W. (2017). Thermochemical analysis of laterite ore alkali roasting: Comparison of sodium carbonate, sodium sulfate, and sodium hydroxide. AIP Conference Proceedings, 1805(1), 040008. AIP Publishing LLC.
  • Samadhi, T. W., Wulandari, W., Prasetyo, M. I., Fernando, M. R., & Purbasari, A. (2017). Synthesis of geopolymer from biomass-coal ash blends. AIP Conference Proceedings, 1887(1), 020031. AIP Publishing LLC.
  • Manullang, R. J., Samadhi, T. W., & Purbasari, A. (2017). Formulation of portland composite cement using waste glass as a supplementary cementitious material. AIP Conference Proceedings, 1887(1), 020040. AIP Publishing LLC.
  • Samadhi, T. W., Wulandari, W., Prasetyo, M. I., & Fernando, M. R. (2017). Reuse of coconut shell, rice husk, and coal ash blends in geopolymer synthesis. IOP Conference Series: Materials Science and Engineering, 248(1), 012008.
  • Purbasari, A., Samadhi, T. W., & Bindar, Y. (2016). Thermal and ash characterization of Indonesian bamboo and its potential for solid fuel and waste valorization. International Journal of Renewable Energy Development, 5(2), 95-100.
  • Samadhi, T. W., Wulandari, W., Gumilar, F. G., & Ramadani, K. F. (2016). Thermomechanical characterization of blended biomass-coal ash waste materials. Key Engineering Materials, 709, 38-41. Trans Tech Publications Ltd.
  • Samadhi, T. W., & N. Muan. (2015). Development of geopolymer from fly ash and metallurgical slag. Advanced Materials Research, 1123, 127-130. Trans Tech Publications Ltd.
  • Subagjo, S., Rahayu, E. S., Samadhi, T. W., & Gunawan, M. L. (2015). Synthesis of NaY zeolite using mixed calcined kaolins. Journal of Engineering and Technological Sciences, 47(6), 633-639.
  • Samadhi, T. W., Jatiningrum, M., & Arisiani, G. (2015). Effect of fly ash calcination in geopolymer synthesis. AIP Conference Proceedings, 1699(1), 060015. AIP Publishing LLC.
  • Sarosa, A. H., Samadhi, T. W., & Budiyanto. (2015). Study of spray drying process for the production of petroleum cracking catalyst. Reaktor, 15(4), 241-247.
  • Samadhi, T. W., Wulandari, W., Gumilar, F. G., & Ramadani, K. F. Thermal characteristics of coal and biomass ash. Proceedings of Indonesian Chemical Engineering National Seminar 2015, Yogyakarta, 12-13 October 2015.
  • Purbasari, A., Samadhi, T. W., & Bindar, Y. Solidus and liquidus temperatures prediction of geopolymer from solid wastes using gibbs energy minimization approach. Proceedings of Indonesian Chemical Engineering National Seminar 2015, Yogyakarta, 12-13 October 2015.
  • Samadhi, T. W., Rasrendra, C. B., Gunawan, M. L., Harimawan, A., Budhi, Y. W., & Zunita, M. Data measurement and analysis competence learning roadmap at the Chemical Engineering Undergraduate Program in Institut Teknologi Bandung. Proceedings of Indonesian Chemical Engineering National Seminar 2015, Yogyakarta, 12-13 October 2015.
  • Rahayu, E. S., Samadhi, T. W., Subagjo, & Gunawan, M. L. (2014). Development of hydrocracking catalyst support from kaolin of Indonesian origin. Advanced Materials Research, 896, 532-536. Trans Tech Publications Ltd.
  • Samadhi, T. W., Pratama, P. P., & Muan, N. (2014). Development of geopolymer utilizing inorganic waste materials. Advanced Materials Research, 896, 553-556. Trans Tech Publications Ltd.
  • Samadhi, T. W., & Pratama, P. P. Synthesis of geopolymer from indonesian kaolin and fly ash as a green construction material. Proceedings of the AUN-SEED 5th Regional Conference on Chemical Engineering, AUN-SEED & Burapha University, Pattaya, Thailand, 7-8 February 2013.
  • Samadhi, T. W., Siagian, U. W. R., & Budiono, A. P. (2012). Miscibility development computation in enhanced oil recovery by flare gas flooding. Journal of Engineering and Technological Sciences, 44(3), 270-286.
  • Samadhi, T. W., Sutoko, S. L. U., & Siagian, U. W. R. Simulation of flare gas application in eor process by miscible gas flooding (in Indonesian). Proceedings of the 2012 National Seminar on Chemical Engineering, Aptekindo – University of Indonesia Chemical Engineering Department, Depok, 20-21 September 2012.
  • Samadhi, T. W., Saribhawani, Y., & Nafiani, I. Development of microspheroidal kaolin for cracking catalyst support (in Indonesian). Proceedings of the 2012 National Seminar on Chemical Engineering, Aptekindo – University of Indonesia Chemical Engineering Department, Depok, 20-21 September 2012.
  • Samadhi, T. W. Fundamental references in ABET-oriented chemical engineering curriculum (in Indonesian). Proceedings of the 2012 National Seminar on Chemical Engineering, Aptekindo – University of Indonesia Chemical Engineering Department, Depok, 20-21 September 2012.
  • Samadhi, T. W., Sutoko, S. L. U., & Siagian, U. W. R. Miscibility development calculation in model oil injection by flare-flue gas mixtures. Proceedings of the 2012 Regional Symposium on Chemical Engineering, 10th November Institute of Technology Chemical Engineering Department, Bali, 7-8 November 2012.
  • Samadhi, T. W., Futaqi, H. A., & Nugraheni, N. D. P. Validation of a base-extraction γ-Al2O3 catalyst support synthesis route. Proceedings of the 2012 Regional Symposium on Chemical Engineering, 10th November Institute of Technology Chemical Engineering Department, Bali, 7-8 November 2012.
  • Samadhi, T. W., Putrawan, I. D. G. A., Prabowo, B. E., & Dwitawidi, A. (2011). Statistical evaluation of non-agglomerating coating for granulated natural asphalt. Journal of Engineering and Technological Sciences, 43(1), 41-56.
  • Samadhi, T. W., Subagjo, S., Lismana, K. R., & Fuadi, K. (2011). Synthesis of g-Al2O3 catalyst support from kaolin of indonesian origin. Journal of Engineering and Technological Sciences, 43(2), 113-126.
  • Samadhi, T. W., Siagian, U. W. R., & Budiono, A. P. Simulation of miscibility development between oil and flare gas for enhanced oil recovery. Proceedings of the 2011 Regional Symposium on Chemical Engineering, Ho Chi Minh University of Technology, Ho Chi Minh City, Vietnam, 27-28 October 2011.
  • Samadhi, T. W., Budiono, A. P., & Siagian, U. W. R. Binary equilibria simulation in oil production enhancement by flare gas injection (in Indonesian). Proceedings of the 2011 National Seminar in Chemical & Process Engineering, Chemical Engineering Department, Diponegoro University, 26 July 2011.
  • Samadhi, T. W., Adidharma, H., & Tan, S.P. Purely predictive application of statistical associating fluid theory for enhanced oil recovery by miscible gas flooding. Proceedings of the 2009 Regional Symposium on Chemical Engineering, University of Santo Tomas, Philippines, November 2009.
  • Samadhi, T. W., Setiadi, T., Daulay, T. T., & Firmansyah, M. Statistical analysis of the formulation of coal bottom ash briquette as an alternative fuel. Proceedings of the 2008 Process & Chemical Engineering Seminar, Diponegoro University, Semarang, Indonesia, August 2008.
  • Purbasari, A., Samadhi, T. W., & Muslim, A. (2005). Development of porous ceramic products on a laboratory scale extruder. Indonesian Chemical Engineering Journal, 4(2) 227-233.
  • Samadhi, T. W., Purbasari, A., & Muslim, A. Development of extruded porous ceramic monolith for separation process applications. Proceedings of the Regional Symposium on Chemical Engineering 2005, Hanoi, Vietnam, December 2005.
  • Baramuni, L. I., Bindar, Y., Prakoso, T., & Samadhi, T. W. Thermochemistry evaluation of zero reformer technology in direct reduction reactor transfer line. Proceedings of the Regional Symposium on Chemical Engineering 2005, Hanoi, Vietnam, December 2005.
  • Nurfahmiawati, T., Samadhi, T. W., & Subagjo. Synthesis of g-alumina as catalyst support. Proceedings of the Soehadi Reksowardojo Memorial Chemical Engineering Seminar 2005, Bandung Institute of Technology, Bandung, Indonesia, December 2005.
  • Samadhi, T. W. Characterization of coal ash waste: Softening temperature estimation using thermochemical method. Proceedings of the 2005 Tjipto Utomo Memorial Seminar, Department of Chemical Engineering, National Institute of Technology, Bandung, Indonesia, August 2005.
  • Samadhi, T. W., Jones, L. E., Kropachev, A. V., & Clare, A. G. (2004). Fourier‐transform infrared spectrometry measurement of emissions concentration from glass manufacturing. Journal of the American Ceramic Society, 87(7), 1210-1215.
  • Samadhi, T. W. Vitrification thermochemistry of indonesian coal ashes. Proceedings of the Regional Symposium on Chemical Engineering 2004, Bangkok, Thailand, December 2004.