In this study, two-dimensional computational fluid dynamics (CFD) simulations of carbon dioxide (CO2) adsorption and regeneration processes in a circulating fluidized bed were investigated. Potassium carbonate (K2CO3) was used as solid sorbent particles. The results were validated with…
Posts published in “Journal Articles”
Peer-reviewed articles published in international journals.
As novel ductless ventilation equipment, a jet fan could be employed in confined space, such as underground car park and tunnel. It can provide air flow with substantial velocity profile volume which is necessary for effective ventilation. Effect…
In this study, the effects of contact force modeling parameters, which included the particle–particle friction coefficient (A), spring constant (B), ratio of the tangential spring constant to normal spring constant (C), normal restitution coefficient (D), and tangential restitution…
In the present work, the reaction kinetics of CO2 absorption into aqueous solutions of novel N-methyl-4-piperidinol (MPDL) was experimentally determined in a stirred cell reactor over a MPDL concentration range of 0.5-2.0 M and a temperature range of…
This research aimed to study the carbon dioxide (CO2) capture process using a potassium-based solid sorbent in a circulating fluidized bed riser (CFBR). The solid sorbent in this study was potassium carbonate on gamma alumina supporter (K2CO3/-Al2O3). The…
The sulfur dioxide (SO2) and carbon dioxide (CO2) emissions from fuel combustion in a coal-fired power plant constitute a significant source of damage to the environment. Therefore, SO2 and CO2 should be captured before being released into the…
Limpachanangkul, P., Jedsukontorn, T., Zhang, G., Liu, L., Hunsom, M., Chalermsinsuwan, B. (2019) Korean Journal of Chemical Engineering, 36 (9), pp. 1527-1535.
Hydrogen (H2) plays a vital role both as a reactant in petrochemical processes and as an energy carrier and storage medium. When produced from carbon-containing feed stocks, such as fossil fuels and biomass, hydrogen is typically produced as…
The aim of this work was to prepare the metal oxides modified carbon (C-MOx) that was used as the support for a PtCo catalyst. Effect of C-MOx support on the oxygen reduction reaction activity and stability of the…
Circulating turbulent fluidized bed (CTFB) regime was recently found under a low superficial gas velocity (Ug) system and contained the advantages of both a conventional turbulent fluidized bed, with an excellent mixing property between the gas and solid…
Aerosols have been widely used in the treatment of certain airway diseases. With different breathing conditions of patients, the flow pattern might not cause the aerosol to transport and deposit on the desired bronchial section. In this study,…
The circulating fluidized bed reactor can be used to capture CO2 continuously by performing three different processes: CO2 sorption in riser, gas-solid separation in cyclone, and sorbent regeneration in downer. The semi-continuous mode of the reactor is employed…
The riser of conventional and stage circulating fluidized bed reactors were simulated using computational fluid dynamics. The objective was to examine the design parameter effects using a 23 statistical experimental design method. The results showed that number of…
To reduce the carbon dioxide (CO 2 ) concentration in the atmosphere, natural rubber (NR) was developed as a rubber foam for CO 2 adsorption.
Computational fluid dynamics was applied for sorption enhanced steam methane reforming (SESMR) operating in a circulating fluidized bed (CFB) riser. The solid mixtures consisted of Ni-based catalyst and CaO sorbent. The aim of study was to design a…
Although emergy analysis provides a more comprehensive view of sustainability than other methods, it has been criticized from both theoretical and practical aspects due to its complicated approach, especially when dealing with large sized systems and allocating emergy…
Potassium carbonate (K2CO3) loaded at 17% by weight (wt.%) on a gamma alumina (γ-Al2O3) support was prepared by impregnation and then employed to adsorb carbon dioxide (CO2) under a turbulent fluidized bed regime in a glass riser–sorber. The…
Controlling the removal of heavy metals such as Copper (Cu), Zinc (Zn), lead (Pb) and cadmium (Cd) during the sewage sludge incineration and the recovery of phosphorus (P) from sewage sludge ash (SSA) remain challenging. Herein we aim…
Sakdaronnarong, C., Pipathworapoom, W., Vichitsrikamol, T., Sema, T., Posoknistakul, P., Koo-amornpattana, W., Laosiripojana, N. (2018) Process Safety and Environmental Protection, 116, pp. 1-13.
Used clamshells (Paphia undulata), as a precursor of calcium oxide (CaO) sorbents, were employed for carbon dioxide (CO2) adsorption in a bubbling fluidized‐bed reactor. To find the optimal calcination conditions, a 2k experimental design was used to vary…
The promising solid sorbent, potassium carbonate (K 2 CO 3 ) supported on gamma alumina (γ-Al 2 O 3 ) prepared through impregnation was inserted into the sorption turbulent riser to determine the optimum operating parameters.
The sorption-enhanced steam reforming of ethanol (SESRE) has recently been reported as a novel process for hydrogen (H 2 ) production.
Nimmanterdwong, P., Chalermsinsuwan, B., Østergård, H., Piumsomboon, P. (2017) Journal of Cleaner Production, 165, pp. 645-655.
Alternative energy is one of the methods for decreasing fossil fuel consumption. However, conventional fossil fuel process improvement is also considerably interesting issue due to the fact that adjusting existing process is easier and cheaper comparing to the…
The combustion is a crucial process for power plant energy production where carbon dioxide (CO2) gas is unavoidably released to the atmosphere. To reduce the greenhouse gas emission, CO2 capturing technology has been employed and led to the…
Renewable energy is energy that is collected from renewable resources such as sunlight, wind, rain, tides, waves, geothermal heat and biomass. Biomass is alternative fuel which can be combusted to obtain electricity in various industries. Inorganic compound commonly…
Boonprasop, S., Chalermsinsuwan, B., Piumsomboon, P. (2017) Journal of the Taiwan Institute of Chemical Engineers, 78, pp. 282-289.
Nimmanterdwong, P., Chalermsinsuwan, B., Piumsomboon, P. (2017) Energy, 128, pp. 101-108.
The most common technology for postcombustion of CO2 capture is the amine solvent scrubber. The energy consumption for capturing CO2 from flue gases using amine solvent technology is 15–30% of the power plant electricity production. Hence, there is…
A 1 m in diameter and 3.55 m tall fluidized bed riser internally with water tubes, which required six equilibrium stage of riser‐sorber for capturing about 95% of CO2 emitted from a coal power plant, were designed to…
Sunphorka, S., Chalermsinsuwan, B., Piumsomboon, P. (2017) Fuel, 193, pp. 142-158.
The effect of the system hydrodynamics in a circulating fluidized bed downer (CFBD) reactor with a reducing operating pressure and solid mass flux on the hydrodynamics in a downer reactor were evaluated using a two-dimensional computational fluid dynamics…
Thummakul, T., Gidaspow, D., Piumsomboon, P., Chalermsinsuwan, B. (2017) Applied Energy, 190, pp. 122-134.
Sunphorka, S., Chalermsinsuwan, B., Piumsomboon, P. (2017) Journal of the Energy Institute, 90 (1), pp. 51-61.
A fluidization reactor was designed to study the possibility of performing circulating turbulent fluidized bed (CTFB) by using only single feed gas injection. The effect of the design parameters was studied based on the Geldart classification and Archimedes…
A series of the polyaniline (PAN)-wrapped carbon nanotube (CNT)-supported PtCo (PtCo/ x PAN–CNT) catalysts was prepared for the oxygen reduction reaction (ORR) in a proton exchange membrane (PEM) fuel cell.
Nimmanterdwong, P., Boonprasop, S., Thummakul, T., Phongboonchoo, Y., Piumsomboon, P., Feng, Y., Poochinda, K., Chalermsinsuwan, B. (2016) International Journal of Mineral Processing, 157, pp. 120-127.
Fe2O3/Al2O3/ZnO oxygen carriers with small content ZnO (5 wt% to 10 wt%) were prepared by physical mixing method and were evaluated its capability as an oxygen carrier in a chemical looping combustion. The combustion was conducted by using…
Transporting crude oil inside a pipeline is a common process in the petroleum industry. Crude oil from different sources has different properties due to terrains and climates which cause the transport profile to change during operations. In this…
The objective of this research was to compare the effect of a binary mixture between coal, including 500, 700 and 1000-micron size, and sand, 180-micron size, on the mixing behavior in a fluidized bed system. In addition, suitable…
In this study, the carbon dioxide sorption using solid sorbent (sodium carbonate supported on alumina) in fixed and fluidized bed reactors was investigated. The key objective was to examine the carbon dioxide concentration profile or breakthrough curve (as…
A numerical simulation technique was employed to model the two phase flow in cyclones using computational fluid dynamics (CFD). Three different inlet angles of cyclone, including 45, 0 and -45 degrees were compared to describe the efficiency of…
The unsteady state computational fluid dynamics model for gas-solid particle flow in industrial scale circulating fluidized bed boiler combining with combustion and desulfurization (using limestone solid sorbent) chemical reactions, both homogeneous and heterogeneous, was developed in this study.…
In this study, nonisothermal kinetic methods for the decomposition of potassium hydrogen carbonate (KHCO3) and sodium hydrogen carbonate (NaHCO3) were investigated by thermogravimetry (TG) and derivative thermogravimetry (DTG). Four different heating rates were measured to calculate the order…
Sungsuk, P., Chayaporn, S., Sunphorka, S., Kuchonthara, P., Piumsomboon, P., Chalermsinsuwan, B. (2016) Chinese Journal of Chemical Engineering, 24 (4), pp. 535-542.
The aim of this research is to find the correlation between chemical compositions of biomass, including cellulose, hemicelluloses and lignin, and kinetic rates of biomass combustion. The combustion behavior of biomass constituent was studied by thermogravimetric analyzer. The…
Sakaunnapaporn, C., Piumsomboon, P., Chalermsinsuwan, B. (2016) International Journal of Mechanical Engineering and Robotics Research, 5 (4), pp. 260-263.
Chalermwat, N., Rattanaprapanporn, R., Chalermsinsuwan, B., Poompradub, S. (2016) 22nd International Congress of Chemical and Process Engineering, CHISA 2016 and 19th Conference on Process Integration, Modelling and Optimisation for Energy Saving and…
This study presents the effect of cathode channel design with vary cross-sectional area and aspect ratio. Three dimensional, steady state, single phase and isothermal model is developed to investigate the effect of cross-sectional area and aspect ratio of…
Liang, Z.H., Rongwong, W., Liu, H., Fu, K., Gao, H., Cao, F., Zhang, R., Sema, T., Henni, A., Sumon, K., Nath, D., Gelowitz, D., Srisang, W., Saiwan, C., Benamor, A., Al-Marri, M., Shi, H., Supap, T., Chan, C., Zhou, Q., Abu-Zahra, M., Wilson, M., Ol…