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Research Publications

Journal Publications

2021

  • Tan, Y.Y., Tang, F.E., Saptoro, A., 2021, Process-based models for nitrogen dynamics in subsurface flow constructed wetlands: A state-of-the-art review. Environmental Reviews, 99 (999), 1-19, DOI: https://doi.org/10.1139/er-2021-0001 (2020 IF: 5.212, Q1).
  • Asakuma, Y. Shibatani, A., Kan, H., Saptoro, A., 2021, Prediction of particle number density in suspension by measuring the sizes of bubbles generated during microwave irradiation, Crystal Research & Technology, 56 (3): 2000160 [2020 IF: 1.639, Q3].
  • Hawa, S, Gibson, H., Yeo, W.S., Saptoro, A., Lau, S.W., Jong, T.K., 2021, Management for Paddy, Oil Palm, and Pineapple Plantations in Malaysia: Current Status and Reviews, Journal of Applied Science & Process Engineering, 8(2):859 – 880.
  • Ayittey, F.K., Saptoro, A., Kumar, P., Wong, M.K., 2021, Energy-saving process configurations for monoethanolamine-based CO2 capture system, Asia-Pacific Journal of Chemical Engineering, 16 (1): e2576, DOI: 10.1002/apj.2576 [2020 IF: 1.447, Q3].

2020

  • Simonetti, S., Saptoro, A., Martín, C.F., Dionisi, D., 2020, Product concentration, yield and productivity in anaerobic digestion to produce short chain organic acids: a critical analysis of literature data, Processes, 8 (12): 1538 [2020 IF: 2.847, Q3].
  • Asakuma, Y., Wada, Y., Saptoro, A., 2020, Prediction of aggregate shape through bubble size in suspension during microwave irradiation in the process of aggregation, Advanced Powder Technology, 31 (11): 4563-4569 [2020 IF: 4.833, Q1].
  • Suhartono, J., Pertiwi, D. S., Noersalim, C., Yulianingshih, D., Sofianti, F., A. Saptoro, Chafidz, A., 2020, Characteristics and Performances of Blended Polyethersulfone and Carbon-based Nanomaterial Membranes: The Effect of Nanomaterial Types and Air Exposure, Chemical Engineering and Technology, 43(8): 1630-1637 [2020 IF: 1.728, Q3].
  • Saptoro, A., Jawad, Z.A., Chin, B.L.F., 2020, Special issue “Selected Papers from 8th International Forum on Industrial Bioprocessing (IBA-IFIBiop) 2019”, International Journal of Food Engineering, 16 (10), 20200212 DOI: 10.1515/ijfe-2020-0212 [2020 IF: 1.713, Q4].
  • Ayittey, F.K., Saptoro, A., Kumar, P., Wong, M.K., 2020, Parametric Study and Optimisation of Hot K2CO3-based Post-combustion CO2 Capture from a Coal-fired Power Plant, Greenhouse Gases: Science and Technology, 10(3): 631-642 [2020 IF: 2.013, Q4/Q3].
  • Shibatani, A., Kan, K., Matsumura, S., Asakuma, Y., Saptoro, S., 2020, Synergistic effect of high irradiation power and anti-solvent addition for enhanced microwave assisted nanoparticle synthesis process, Journal of Chemical Engineering of Japan, 53(8): 397-401 [2020 IF: 0.732, Q4].
  • Ayittey, F.K., Saptoro, A., Kumar, P., Wong, M.K., 2020, Rate-based simulation study of boric acid promoted potassium carbonate capture system, IOP Conference Series: Materials Science and Engineering, 778, 012082.
  • Shibatani, A., Kan, K., Asakuma, Y., Saptoro, S., 2020, Intensified nanoparticle synthesis using hybrid microwave and ultrasound treatments: consecutive and concurrent modes, Crystal Research & Technology, 55(4): 1900199 [2020 IF: 1.639, Q3].
  • Yeo, W.S., Saptoro, A., Kumar, P., 2020, Missing data treatment for locally weighted partial least square based modelling: A comparative study, Asia Pacific Journal of Chemical Engineering, 15(2): e2422 [2020 IF: 1.447, Q3].
  • Ayittey, F.K., Obek, C.A., Saptoro, A., Kumar, P., Wong, M.K., 2020, Process Modifications for Hot Potassium Carbonate-based CO2 Capture System: A Comparative Study, Greenhouse Gases: Science and Technology, 10(1): 130-146 [2020 IF: 2.013, Q4/Q3].
  • Wong, R.X.J.P., Jawad, Z.A., Tan, P.C., Chin, B.L.F., Chew, T.L., Saptoro, A., 2020, Preparation and Characterization of Blended Cellulose Acetate Membrane for CO2/N2 Separation, Journal of Physical Science, 31(2): 15-31.
  • Tan, Y.Y., Tang, F.E., Saptoro, A., 2020, Effect of loading rate and sludge deposit on a VFCW treating septage, Journal of Applied Water Engineering and Research, 8(1): 1-14.

2019

  • Yeo, W.S., Saptoro, A., Kumar, P., 2019, Adaptive soft sensor development for non-Gaussian and nonlinear processes, Industrial and Engineering Chemistry Research, 58 (45): 20680-20691 [2020 IF: 3.72, Q2].
  • Atsuya, S., Matsumura, S., Asakuma, Y., Saptoro, A., 2019, Promoting nucleation in microwave assisted nanoparticle synthesis using combined two-stage irradiation and anti-solvent addition, Crystal Research & Technology, 54 (6), https://doi.org/10.1002/crat.201800205 [2020 IF: 1.639, Q3].
  • Mickel, V. M., Yeo, W. S., Saptoro, A., 2019, Evaluating the Performance of Newly Integrated Model in Nonlinear Chemical Process Against Missing Measurements, Chemical Product and Process Modeling, 14 (4): https://doi.org/10.1515/cppm-2018-0066.
  • Tiong, A. N. T, Kumar, P., Saptoro, A., 2019, Laminar thermal-hydraulic efficiency of polyacrylamide solution in double pipe heat exchanger, IOP Conference Series: Materials Science and Engineering, 495 (1), 012056.
  • Bui, J.J.X., Tang, F.E., Tan, Y.Y., Wong, K.S., Saptoro, A., 2019, Dewatering and Mineralization of Sludge in Vertical Flow Constructed Wetlands: A Review, IOP Conference Series: Materials Science and Engineering, 495 (1), 012069.

2018

  • Asakuma, Y., Matsumura, S., Saptoro, A., 2018, Method for suppressing superheating behaviour during microwave assisted nanoparticle formation by ethylene glycol addition, Chemical Engineering & Processing: Process Intensification, 132, 11-15 [2020 IF: 4.237, Q2].
  • Asakuma, Y., Takahashi, S., Maeda, Y., Araki, N., Saptoro, A., 2018, Chemical reaction behavior in liquid-liquid system under non-contact microwave irradiation, Journal of the Japan Petroleum Institute, 61 (2): 150-155 [2020 IF: 0.56, Q4].

2017

  • Asakuma, Y., Nakata, R., Saptoro, A., 2017, Bubble formation in water with magnetite nanoparticles during microwave irradiation, Chemical Engineering & Processing: Process Intensification, 119, 101-105 [2020 IF: 4.237, Q2].
  • Saptoro, A., Nandong, J., Hussain, M.A., Shukor, S.R.A., 2017, Editorial: Special Issue of 29th Symposium of Malaysian Chemical Engineers (SOMChE) 2016 – Process System Engineering, 12 (4), DOI: https://doi.org/10.1515/cppm-2017-0062, Chemical Product and Process Modeling [Thomson Reuters’ Web of Science cited-publication].
  • Asakuma, Y., Matsumura, S., Saptoro, A., 2017, In-Situ Observation of Nanoparticle Formation Under Different Power of Microwave Irradiation, Crystal Research & Technology, 52 (9), DOI: 10.1002/crat.201700108 2018 [2020 IF: 1.639, Q3].
  • Saptoro, A., Wee, S.K., Lau, S.W., Ng, W.P.Q., Anwar, M., Yeo, C.W.S., Khor, E.H., 2017, Editorial Note: Special Issue of 29th Symposium of Malaysian Chemical Engineers (SOMChE) 2016, IOP Conference Series: Materials Science and Engineering, 206, 011001, DOI: https://doi.org/10.1088/1757-899X/206/1/011001.
  • Yeo, C.W.S, Saptoro, A., Kumar, P., 2017, Development of Adaptive Soft Sensor using Locally Weighted Kernel Partial Least Square Model, Chemical Product and Process Modeling, 12 (4), DOI: 10.1515/cppm-2017-0022.
  • Tiong, N. T. A., Saptoro, A., Kumar, P., 2017, Numerical studies on the laminar thermal-hydraulic efficiency of water-based Al2O3 nanofluid in circular and non-circular ducts, Chemical Product and Process Modeling, 12 (4), DOI: 10.1515/cppm-2017-0019.
  • Malang, J., Kumar, P., Saptoro, A., Tadé, M.O., 2017, Comparison of Turbulence Models for Single Sphere Simulation Study under Supercritical Fluid Condition, Chemical Product and Process Modeling, 12 (4), DOI: 10.1515/cppm-2017-0026.
  • Tanaka, K., Asakuma, Y., Saptoro, A., Phan, C., 2017, Surface tension profiles of nanofluid containing surfactant during microwave irradiation, IOP Conference Series: Materials Science and Engineering 206 (2017) 012011 doi:10.1088/1757-899X/206/1/01201.
  • Nishijima, S., Matsumura, S., Asakuma, Y., Saptoro, A., 2017, Promotion of nucleation for nano-particle formation by two-stage microwave irradiation, IOP Conference Series: Materials Science and Engineering 206 (2017) 012055 doi:10.1088/1757-899X/206/1/012055.
  • Lai, C.M.T., Chua, H.B., Danquah, M.K., Saptoro, A., 2017, Isolation of Thermophilic Lignin Degrading Bacteria from Oil-Palm Empty Fruit Bunch (EFB) Compost, IOP Conference Series: Materials Science and Engineering 206 (2017) 012016 doi:10.1088/1757-899X/206/1/012016.

2016

  • Asakuma, Y., Nakata, R., Matsumura, S., Saptoro, A., 2016, Mechanism of microwave heating through molecular orbital method and bubble size profiles, Procedia Engineering, 157, 13-18.
  • Saptoro, A., Kanazawa, Y., Asada, M., Asakuma, Y., Phan, C., 2016, Microwave Irradiation based Non-Chemical Method to Manipulate Surface Tension of Nanofluids, Experimental Thermal and Fluid Science, 72, 228-234 [2020 IF: 3.232, Q2/Q1].

2015

  • Tan, Y.Y., Tang, F.E., Saptoro, A., Khor, E.H., 2015, Septage Treatment Using Vertical-Flow Engineered Wetland: A Critical Review, Chemical Engineering Transactions, 45, 1531, DOI: 10.3303/CET1545256.
  • Tze, A.T.N., Kumar, P., Saptoro, A., 2015, Reviews on Drag Reducing Polymers, The Korean Journal of Chemical Engineering, 32 (8), 1455-1476 [2020 IF: 3.309, Q2].
  • Malang, J., Kumar, P., Saptoro, A., 2015, Computational Fluid Dynamics based Hydrodynamics Studies in Packed Bed Columns: Current Status and Future Directions, International Journal of Chemical Reactor Engineering, 13 (3), DOI:https://doi.org/10.1515/ijcre-2014-0121 [2020 IF: 1.51, Q3].

2014

  • Saptoro, A., 2014, State of the art in the development of adaptive soft sensors based on Just-in-Time models, Procedia Chemistry, 9, 226 – 234.
  • Saptoro, A., Ting, M.H.H, Liew, E.W.T, 2014, Oxygen Transfer to Cassava Starch Solutions in an Aerated, Well-Mixed Bioreactor: Experimental and Mass Transfer Studies, Korean Journal of Chemical Engineering, 31 (4), 650 – 658 [2020 IF: 3.309, Q2].
  • Ting, M.L., Then, S.P., Saptoro, A. and Panau, F., 2014, Mass Transfer Coefficients and Correlation of Supercritical Carbon Dioxide Extraction of Sarawak Black Pepper, International Journal of Food Engineering, 10 (1), 1 – 15 [2020 IF: 1.713, Q4].

2013 and before

  • Saptoro, A. and Kong, C.H., 2013, Influences of Indonesian coals on the performance of a coal-fired power plant with an integrated post combustion CO2 removal system: A comparative simulation study, Energy Conversion and Management, 68, 235-243.
  • Saptoro, A., Vuthaluru, H.B. and Tadé, M.O., 2012, A Modified Kennard-Stone Algorithm for Optimal Division of Data for Developing Artificial Neural Network Models, Chemical Product and Process Modeling, 7 (1), Article 13, DOI: 10.1515/1934-2659.1645.
  • Saptoro, A., 2012, Extended and Unscented Kalman Filters for Artificial Neural Network Models of Chemical Processes, Theoretical Foundations of Chemical Engineering, 34 (3), 319-323 [2020 IF: 0.698, Q4).
  • Saptoro, A., Yao, H.M, Tadé, M.O. and Vuthaluru, H.B., 2008, Prediction of coal hydrogen content for combustion control in power utility using neural network approach, Chemometrics and Intelligent Laboratory Systems, 94 (2), 149-159 [2020 IF: 3.491, Q2/Q1].

Book chapters

  • Saptoro, A., Suhartono, J., 2019, Two phase permeability models of membrane gas separation: a comparative study, In: Membrane Technology for CO2 Sequestration (Ed.: Jawad, Z.A.), CRC Press (accepted).
  • Nagarajan, R., Anandkumar, A., Hussain, S.M., Jonathan, M.P., Ramkumar, Mu, Eswaramoorthi, S., Saptoro, A., Chua, H.B., 2019, Geochemical characterization of beach sediments of the Nw Borneo, SE Asia: Implications on provenance, weathering intensity and assessment of coastal environmental status, In: Coastal Zone Management: Global Perspectives, Regional Processes, Local Issues (Ed.: Ramkumar, Mu, James, A., Menier, D., Kumaraswamy, K.), Elsevier, pp. 279-230.
  • Tan Y. Y., Tang F. E., Saptoro A., Khor E. H., 2017, The interaction between outflow dynamics and removal of NH4+-N in a vertical flow constructed wetlands treating septage. In: Civil, Architecture and Environmental Engineering, Volume 2 (Eds: Jimmy C.M. Kao and Wen-Pei Sung), CRC Press/Balkema, pp. 1141-1146.
  • Saptoro, A., Vuthaluru, H.B., 2015, Predictions of Coal Properties using Empirical Models, in Energy Science and Technology: Coal Energy (Vol.2) (Eds: Sharma, Prasad and Sivakumar), Studium Press LLC (ISBN: 1-62699-061-1 / 1-62699-063-8).
  • Lai, J.C., Chua, H.B., Saptoro, A., Ang, H.M., 2013, Effect of Isolated Mesophilic Bacterial Consortium on the Composting Process of Pressed-Shredded Empty Oil Palm Fruit Bunch, in Developments in Sustainable Chemical and Bioprocess Technology (Eds: P. Ravindra et al.), Springer Science+Business Media New York (ISBN:978-1-4614-6207-1).

Conferences

2018

  • Obek, C.A., Ayittey, F.K., Saptoro, A., 2018, Improved process modifications of aqueous ammonia based CO2 capture system, 25th Regional Symposium on Chemical Engineering (RSCE), Manila, Philippines, 21 – 22 November 2018.
  • Ayittey, F.K., Saptoro, A., Wong, M.K., Kumar, P., 2018, Standalone Process Modifications in Potassium Carbonate CO2 Capture System, One Curtin International Postgraduate Conference, Miri, Malaysia, 26 – 28 November 2018.
  • Yeo, W.S., Saptoro, A., Kumar, P., 2018, PLS based non-Adaptive and LW-PLS based Adaptive Soft Sensor Development with Missing Data, One Curtin International Postgraduate Conference, Miri, Malaysia, 26 – 28 November 2018.

2016

  • Yeo, C.W.S, Saptoro, A., Kumar, P., 2016, Development of Adaptive Soft Sensor using Locally Weighted Kernel Partial Least Square Model, 29th Symposium of Malaysian Chemical Engineers, Miri, Malaysia, 1 – 3 December 2016.
  • Tiong, N. T .A., Saptoro, A., Kumar, P., 2016, Numerical studies on the laminar thermal-hydraulic efficiency of water-based Al2O3 nanofluid in circular and non-circular ducts, 29th Symposium of Malaysian Chemical Engineers, Miri, Malaysia, 1 – 3 December 2016.
  • Malang, J., Kumar, P., Saptoro, A., Tadé, M.O., 2016, Comparison of Turbulence Models for Single Sphere Simulation Study under Supercritical Fluid Condition, 29th Symposium of Malaysian Chemical Engineers, Miri, Malaysia, 1 – 3 December 2016.
  • Tanaka, K., Asakuma, Y., Saptoro, A., Phan, C., 2016, Surface tension profiles of nanofluid containing surfactant during microwave irradiation, 29th Symposium of Malaysian Chemical Engineers, Miri, Malaysia, 1 – 3 December 2016.
  • Nishijima, S., Matsumura, S., Asakuma, Y., Saptoro, A., 2016, Promotion of nucleation for nano-particle formation by two-stage microwave irradiation, 29th Symposium of Malaysian Chemical Engineers, Miri, Malaysia, 1 – 3 December 2016.
  • Lai, C.M.T., Chua, H.B., Danquah, M.K., Saptoro, A., Isolation of Thermophilic Lignin Degrading Bacteria from Oil-Palm Empty Fruit Bunch (EFB) Compost, 29th Symposium of Malaysian Chemical Engineers, Miri, Malaysia, 1 – 3 December 2016.
  • Tanaka, K., Asakuma, Y., Saptoro, A., Phan, C., 2016, Mechanism of surface tension reduction of ionic liquid aqueous solution by microwave irradiation, 11th Asian Thermophysical Properties Conference, Yokohama, Japan, 2 – 6 October 2016.
  • Asakuma, Y., Nakata, R., Matsumura, Saptoro, A., 2016, Mechanism of microwave heating through molecular orbital method and bubble size profiles, IX International Conference on Computational Heat and Mass Transfer, Cracow, Poland, 23 – 26 May 2016

2015

  • Saptoro, A., Asada, M., Tanaka, K., Asakuma, Y., Phan, C., Surface tension profiles of ionic liquid solution during and after microwave irradiation, 6th Asian Conference on Colloid and Interface Science (ACCIS) 2015, Arkas Sasebo, Sasebo, Nagasaki, Japan, 24-27 November 2015.
  • Tiong, N.T.A., Kumar, P., Saptoro, A., CFD Studies on the laminar heat transfer and flow behaviors of polyacrylamide solution and nanofluid in circular and non-circular ducts, 3rd International Workshop on Heat Transfer Advances for Energy Conservation and Pollution Control, Taipei, Taiwan, 16-19 October 2015.
  • Nakata, R., Saptoro, A., Matsumura, S., Asakuma, Y., A study on non-thermal effect of microwave through molecular orbital method and in-situ observation of bubble formation, Asia Pacific Confederation of Chemical Engineering (APCChE) Conference 2015, Melbourne, Australia, 27 September – 1 October 2015.
  • Nakata, R., Saptoro, A., Matsumura, S., Asakuma, Y., Bubble formation around nano-particle in dispersion medium under microwave irradiation, The 6th Asian Particle Technology (APT) Symposium 2015, Seoul, South Korea, 15 – 18 September 2015.
  • Tan, Y.Y., Tang, F.E., Saptoro, A., Khor, E.H., Septage Treatment Using Vertical-Flow Engineered Wetland: A Critical Review, 3rd Postgraduate Colloquium for Environmental Research 2015, Kuching, Malaysia, 24 – 26 August 2015.
  • Nakata, R., Saptoro, A., Matsumura, S., Asakuma, Y., Bubble formation in water with magnetite nano-particles microwave irradiation, The 5th International Conference on the Characterization and Control of Interfaces for High Quality Advanced Materials and the 51st Summer Symposium on Powder Technology 2015, Kurashiki, Japan, 7 – 10 July 2015.

2014

  • Kanazawa, Y., Asada, M., Asakuma, Y, Saptoro, A., Phan, C., Surface tension of heavywater before and after microwave irradiation, CUTSE conference 2014, Miri, Malaysia.
  • Asada, M., Kanazawa, Y., Asakuma, Y, Saptoro, A., Phan, C., Surface tension profiles of carbonated water during and after microwave irradiation, CUTSE conference 2014, Miri, Malaysia.

2013 and before

  • Saptoro, A., 2013, State of the art in the development of adaptive soft sensors based on Just-in-Time models, The International Conference and Workshop on Chemical Engineering (ICCE), Bali, Indonesia, 4 – 5 December 2013.
  • C. Lai, H. B. Chua, A. Saptoro and M. Ang. Effect of isolated mesophilic bacterial consortium on pressed-shredded empty fruit bunch composting process. 4th International Conference on Chemical and Bioprocess Engineering (ICCBPE 2012) in conjunction with the 26th symposium of Malaysian Chemical Engineers (SOMCHE 2012), Sabah, 2012
  • Saptoro, A., Vuthaluru, H.B. and Tadé, M.O., 2008, “Prediction of coal properties using neural networks: a novel approach based on small training data set”, CHEMECA, Newcastle, Australia.
  • Saptoro, A., Vuthaluru, H.B. and Tadé, M.O., 2008, “Optimising artificial neural networks topology using hierarchical two-population genetic algorithm”, 12th APCChE Congress, Dalian, China.
  • Saptoro, A., Vuthaluru, H.B. and Tadé, M.O., 2006, “Partial Least Squares and Neural Networks based Model of Coal-Fired Power Plant Boiler”, CHEMECA, Auckland, New Zealand
  • Saptoro, A., Vuthaluru, H.B. and Tadé, M.O., 2006, “A Comparative Study of Prediction of Elemental Composition of Coal using Empirical Modelling”, IFAC Symposium on Advanced Control of Chemical Processes, Gramado, Brazil.
  • Saptoro, A., Vuthaluru, H.B. and Tadé, M.O., 2006, “Design of Feed-Forward Neural Networks Architecture for Coal Elemental Composition Prediction”, International Conference on Modelling and Simulation, Kuala Lumpur, Malaysia.
  • Saptoro, A., Vuthaluru, H.B. and Tadé, M.O., 2006, “Prediction and Monitoring of Unburnt Carbon in Fly Ash in Coal-Fired Power Plant”, International Conference on Modelling and Simulation-, Kuala Lumpur, Malaysia.

Scholarly in Teaching Publications

  • Saptoro, A., Panau, F., Sen, T.K., Ingram, G., Vuthaluru, H.B. and Phan, C., 2011, “Joint Assessments of Project Based Learning in Chemical Engineering Units”, in: Proceedings of the Enhancing Learning: Teaching & Learning Conference 2011, ISBN 978-983-44176-3-5, Miri, Malaysia.
  • Kumar, P., Saptoro, A. and Ghosh, U.K., 2011, “On the Complementary Role of Simulations in Chemical Engineering Curriculum”, in: Proceedings of the Enhancing Learning: Teaching & Learning Conference 2011, ISBN 978-983-44176-3-5, Miri, Malaysia.

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