Prof. Ir. Ronny Purwadi, M.T., Ph.D.

• Investigation of process variable effects on palm kernelamidopropyl betaine production
  ANN Fatihah, M Pratiwi, AN Istyami, R Purwadi, D Lestari
  Tenside Surfactants Detergents 60 (5), 419-425 (2023)
• Strategies for Restoration and Utilization of Degraded Lands for Sustainable Oil Palm Plantation and Industry
  R Purwadi, S Adisasmito, D Pramudita, A Indarto
  Agroecological Approaches for Sustainable Soil Management, 373-408 (2023)
• Evaluation of Biosurfactant Production by Bacillus Species Using Glucose and Xylose as Carbon Sources
  RS Adiandri, R Purwadi, H Hoerudin, T Setiadi
  Current Microbiology 80 (8), 250 (2023)
• IDENTIFYING OF THE COMPOSITIONS OF THE BLENDED FUELS OF THE BUTANOL, GASOLINE, AND WATER STABILIZED AT LOW TEMPERATURES.
  HF Sangian, D Lestari, G Pasau, GH Tamuntuan, A Widjaja, R Purwadi, ...
  Eastern-European Journal of Enterprise Technologies 124 (6) (2023)
• Komposisi Bahan Bakar Campuran Bensin Pertalite/Pertamax, Etanol dan Air dalam Larutan Satu Fasa
  HF Sangian, AR Ibrahim, R Purwadi, GF Neonufa (2023)
• Study of composition of the aqueous ethanol-kerosene in a single phase
  HF Sangian, N Rawung, G Pasau, Gerald Tamuntuan, SH Tongkukut, A As’ari, MD Bobanto, DP Pandara, A Tanauma, F Ferdy, HS Kolibu, VA Suoth, FS Sagai, C Wuwungan, HIR Mosey, Messiah C Sangian, R Purwadi, Z Zulnazri, A Tuhuloula, R Thahir, T Sriana, Z Furqon, SY Agnesty, Tri Dianpalupidewi, Arif Nurrahman, Hans F Wowor, Arief Widjaja
  AIP Conference Proceedings 2694 (1) (2023)
• Komposisi Etanol Berair, Biodiesel (COME) dan Diesel dalam Emulsi Stabil
  HF Sangian, R Purwadi, GF Neonufa, BA Sadjab, VAJ Masinambow, ... Water 15 (7), 1339 (2023)
• Effects of Nutrients on the Performance of the Biological Sulfur Recovery Unit for Sulfur Removal from Water
  R Purwadi, DAEB Ginting, A Anbibie, WHMW Mohtar, Y Ramli, A Indarto
  Water 15 (3), 530 (2023)
• ANALYSIS OF COMPOSITIONS AND FUEL SPECIFICATIONS OF THE AQUEOUS EMULSION FUELS OF GASOLINE (RON 90)-ETHANOLWATER IN STABLE EMULSIONS AT LOW TEMPERATURES.
  HF Sangian, G Pasau, GH Tamuntuan, A Widjaja, R Purwadi, SY Agnesty, ...
  Eastern-European Journal of Enterprise Technologies 121 (6) (2023)
• Large-scale pyrolysis of oil palm frond using two-box chamber pyrolyzer for cleaner biochar production
  Y Bindar, S Steven, SW Kresno, P Hernowo, E Restiawaty, R Purwadi, ...
  Biomass Conversion and Biorefinery, 1-14 (2022)
• Study of Aqueous Ethanol-Diesel-Biodiesel Prepared by Near-Isochoric Sub Critical Trans-Esterification
  Sangian, H.F., Paendong, M.P., Rombang, J.R., R Purwadi, ...Agnesty, S.Y., Widjaja, A.
  WSEAS Transactions on Environment and Development (2022)
• Recent Methods in the Pretreatment of Corncob Wastes for Value-Added Bioproducts Carbon Sources
  RS Adiandri, R Purwadi, T Setiadi
  IOP Conference Series: Earth and Environmental Science 1024 (1), 012032 (2022)
• The effect of Ca/Mg/Zn mixing ratio on the research octane number of bio-gasoline during basic soap pyrolysis
  E Puspawiningtiyas, M Pratiwi, R Purwadi, AN Istyami, L Elizabeth, ...
  Heliyon 7 (11), e08314 (2021)
• Evaluation of Biological Degraded Keratin for Biogas Production Using Dry Anaerobic Digestion System
  S Setyaningrum, RJ Patinvoh, R Purwadi, M Taherzadeh
  International Journal Applied Technology Research 2 (2), 81-89 (2021)
• Study of the compositions and fuel parameters of the emulsion fuels biodiesel-aqueous ethanol and biodiesel-aqueous ethanol-diesel
  SANGIAN, H.F., PAENDONG, M.P., R Purwadi, ROMBANG, J.R., ...FURQON, Z., AGNESTY, S.Y.
  Journal of Engineering Science and Technology (2021)
• Variasi Antioksidan dalam Pembuatan Protected Active Dried Yeast
  R Purwadi, V Wonoputri, FU Fitriana, NS Choliq
  Jurnal Teknik Kimia Indonesia 19 (1), 1-9 (2021)
• Comparison of Liquid Product Characteristics of PFAD Metal Soap Decarboxylation by Batch and Continuous Process.
  Lidya Elizabeth, Godlief F Neonufa, Endar Puspawiningtiyas, Meiti Pratiwi, Astri Nur Istyami, Ronny Purwadi, Tatang H Soerawidjaja
  Journal of Engineering & Technological Sciences 53 (3) (2021)
• Tensile capacity of steel plate connections with different bolt distribution due to tensile load
  AHMED M SAYED, WL Ang, A Jedi, N Lohgheswary, R Lubis, S Nurhayati, MM Azeez, KF Mahmmod, MA Ahmed, HF Sangian, MP Paendong, JR Rombang, JA Lametige, G Pasau, GH Tamuntuan, HIR Mosey, R Purwadi, Z Zulnazri, A Tuhuloula, R Thahir, T Sriana, Z Furqon, SY Agnesty, A Hamdani, A Muttakim, P Tiara Irzaman, A Alhasan, L Audah, MH Alwan, OR Alobaidi, EH Flaieh, HG Kamil, SH Bakhy, MA Jabbar, LS Riza, MBA Prabowo, E Junaeti, AG Abdullah, KA Fariza, BHK Al-Obaidi, AM Al-Sulaiman, AO Bajeh, HO Adeleke, HA Mojeed, AO Balogun, OC Abikoye, FE Usman-Hamza, ES Soegoto, H Saputra, AS Soegoto, S Luckyardi, FA Khammas, AT Mustafa, AJN Khalifa, MK Siyab, AAJ Mateeullah, M Yaqoob, K Alam, HQ Majeed, B Sh Abed, MS Shamkhi, AA Mohammed, AA Yaseen, IK Atiyah, M Muheilan, ZA Al Tarawneh, D Effendi, B Noviansyah, L Lestary, J Li, WW Goh, NZ Jhanjhi, MA Bhatt, PJ Bhatt, A Mudzakir, B Anwar, SS Fatimah, H Setiarahayu, DC Huynh, LD Ho, MW Dunnigan, MHV Bahrun, Z Kamin, SM Anisuzzaman, A Bono, WH Hassan, HH Hussein, SS Mohammed, HK Jalal, BK Nile, RH Ahmed, A Lololau, J Bale, T Soemardi, O Polit, Y Kusdinar, A Ma’mun, A Rusdiana, AH Azman, NNA Tukimat
  Journal of Engineering Science and Technology 16 (2), 888-902 (2021)
• The effect of size and solid content in hydrolysis of sweet potato starch using endogenous beta-amylase enzyme
  R Purwadi, D Lestari, CA Lohoo, JL Tirtaadji
  IOP Conference Series: Materials Science and Engineering 1143 (1), 012043 (2021)
• Estimation of the biomass yield and stoichiometric coefficient during bioproduct formation through thermodynamic approach: a case study of biosurfactant production
  RS Adiandri, R Purwadi, T Setiadi
  IOP Conference Series: Materials Science and Engineering 1143 (1), 012016 (2021)
• Fermented cassava as an alternative flour for pasta noodle
  R Purwadi, CF Teguh, D Mazaya
  IOP Conference Series: Materials Science and Engineering 1143 (1), 012042 (2021)
• Integrated Biorefinery Technology: Monetization of Oil Palm Empty Fruit Bunch to Biofuel & Bio-based Chemicals, and Beyond
  R Mariyana, AA Choliq, KA Rahmanto, Y Nugroho, R Purwadi, ...
  IOP Conference Series: Materials Science and Engineering 1143 (1), 012053 (2021)
• The promising performance of manganese gluconate as a liquid redox sulfur recovery agent against oxidative degradation
  Andreas Widodo, Yestria Yaswari, Rina Mariyana, Aditya Farhan Arif, Tirto Prakoso, Tri Partono Adhi, Tatang Hernas Soerawidjaja, Ronny Purwadi, Antonius Indarto
  Heliyon 7 (4), e06743 (2021)
• Analysis of water-ethanol-gasoline (RON 88) compositions in one phase substance-using triangular graph
  HF Sangian, BH Manialup, A As’ari, AR Ibrahim, JR Rombang, JA Lametige, HIR Mosey, A Tanauma, G Pasau, SHJ Tongkukut, R Purwadi, GF Neonufa, JA Rorong, MM Sangi, S Gunawan, A Widjaja, A Tuhuloula, R Thahir, BA Sadjab, VAJ Masinambow, T Sriana, Z Furqon, SY Agnesty, SB Rondonuwu
  IOP Conference Series: Materials Science and Engineering 1115 (1), 012050 (2021)
• Proses Fraksionasi Biomassa dari Tandan Kosong Kelapa Sawit melalui Metode Organosolv Etanol dengan Penambahan Katalis
  HA Darojati, R Purwadi, CB Rasrendra
  Jurnal Selulosa 10 (02), 73-80 (2020)
• Enzymatic pretreatment effect on product composition in biohydrocarbon synthesis via metal soap decarboxylation
  Istyami, A.N., Pratiwi, M., Prakoso, T., Purwadi, R.
  IOP Conference Series: Materials Science and Engineer (2020)
• Sustainable hydrogen production from oil palm derived wastes through autothermal operation of supercritical water gasification system
  PM Ruya, SS Lim, R Purwadi, M Zunita
  Energy 208, 118280 (2020)
• Effect of metal type on basic soap pyrolysis produce bio-gasoline
  E Puspawiningtiyas, M Pratiwi, GF Neonufa, R Purwadi, AN Isyami, L Elizabeth, TH Soerawidjaja, T Prakoso
  IOP Conference Series: Materials Science and Engineering 823 (1), 012027 (2020)
• Biohydrocarbon production for jet fuel from palm oil derivative products
  GF Neonufa, M Pratiwi, E Puspawiningtiyas, R Purwadi, L Elizabeth
  IOP Conference Series: Materials Science and Engineering 823 (1), 012029 (2020)
• Julian H., Yaohanny F., Devina A., Purwadi R., Wenten I.G.
  Apple juice concentration using submerged direct contact membrane distillation (SDCMD)(2020)
• Ruya P.M., Purwadi R., Lim S.S.
  Supercritical water gasification of sewage sludge for power generation thermodynamic study on aut(2020)
• Sangian H.F., Aruan I., Tamuntuan G.H., Bobanto M.D., Sadjab B.A., Purwadi R., Zulnazri Z., Masinambow V.A.J., Gunawan S.
  A comparative study of the structures, crystallinities, miller indices, crystal parameters, and part(2019)
• Anggraini I.D., Keryanti, Kresnowati M.T.A.P., Purwadi R., Noda R., Watanabe T., Setiadi T.
  Bioethanol production via syngas fermentation of clostridium ljungdahlii in a hollow fiber membrane (2019)
• Rinanti A., Purwadi R.
  Increasing carbohydrate and lipid productivity in tropical microalgae biomass as a sustainable biofu(2019)

• Istyami A.N., Purwadi R., Kresnowati M.T.A.P., Prakoso T., Soerawidjaja T.H.
  Performances of free and immobilized frangipani (Plumeria Rubra) latex lipase in palm oil lipolysis(2019)
• Neonufa G.F., Pratiwi M., Purwadi R., Prakoso T., Soerawidjaja T.H., Elizabeth L.
  Production and Characterization of the Basic Soaps Obtained by Double Decomposition and Direct Proce(2019)
• Pratiwi M., Muraza O., Neonufa G.F., Purwadi R., Prakoso T., Soerawidjaja T.H.
  Production of Sustainable Diesel via Decarboxylation of Palm Stearin Basic Soaps(2019)
• Rinanti A., Purwadi R.
  The potential of tropical microalgae as flocculant in harvesting process(2019)
• Fredrik Neonufa G., Pratiwi M., Nur Istyami A., Elizabeth L., Suminar Dewi S., Purwadi R., Prakoso T., Soerawidjaja T.H.
  An innovative method to produce drop-in fuel by alkaline earth-transition metals basic soap decarbox(2018)
• Akmalina R., Purwadi R., Sitompul J.
  Bioconversion studies of methyl laurate to dodecanedioic acid using a wild-type of Candida tropicali(2018)
• Anggraini I., Tri Ari Penia Kresnowati M., Purwadi R., Setiadi T.
  Bioethanol Production via Syngas Fermentation(2018)
• Mardawati E., Kresnowati M.T.A.P., Purwadi R., Bindar Y., Setiadi T.
  Fungal Production of Xylanase from Oil Palm Empty Fruit Bunches via Solid State Cultivation(2018)
• Rinanti A., Purwadi R.
  Harvesting of freshwater microalgae biomass by Scenedesmus sp. As bioflocculant(2018)
• Wonoputri V., Subiantoro, Kresnowati M.T.A.P., Purwadi R.
  Solid state fermentation parameters effect on cellulase production from empty fruit bunch(2018)
• Octavia S., Purwadi R., Arsa I.D.G.P., Soerawidjaja T.H.
  Determining the enzyme accessibility of ammonia pretreated lignocellulosic substrates by Simon s Sta(2017)
• Mardawati E., Purwadi R., Kresnowati M.T.A.P., Setiadi T.
  Evaluation of the enzymatic hydrolysis process of Oil Palm empty fruit bunch using crude fungal xyla(2017)
• Octavia S., Soerawidjaja T.H., Purwadi R., Putrawan I.A.G.A.
  The advantages of soaking with aqueous ammonia pre-treatment process of oil palm empty fruit bunches(2017)
• Sugiharto Y.E.C., Harimawan A., Kresnowati M.T.A.P., Purwadi R., Mariyana R., Andry, Fitriana H.N., Hosen H.F.
  Enzyme feeding strategies for better fed-batch enzymatic hydrolysis of empty fruit bunch(2016)
• Microbial production of xylitol from oil palm empty fruit bunches hydrolysate: The effect of glucose(2015)
• The performance of serial bioreactors in rapid continuous production of ethanol from dilute-acid hyd(2008)
• Purwadi R., Brandberg T., Taherzadeh M.J.
  A possible industrial solution to ferment lignocellulosic hydrolyzate to ethanol: Continuous cultiva(2007)
• Continuous ethanol production from dilute-acid hydrolyzates: Detoxification and fermentation strateg(2006)
• Kinetic study of detoxification of dilute-acid hydrolyzates by Ca(OH) 2(2004)

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