Internally circulating fluidized bed reactor (ICFB) is the reactor that combines the conventional circulating fluidized bed (CFB) reactor system, including riser, downer, loop seal and cyclones, into a single compact reactor column. The ICFB reactor column is separated…
Posts tagged as “Benjapon Chalermsinsuwan”
The chemical looping hydrogen production (CLHP) process is a new approach for hydrogen (H2) fuel production. The proposed process consists of three reactors which are air reactor (AR), fuel reactor (FR) and steam reactor (SR). In this study,…
Downer reactors are the reactors of choice for fast chemical reactions, such as those associated with cracking of heavier feedstock in petroleum refineries. The objective of this study was to investigate the hydrodynamics of the downer reactor for…
Korkerd, K., Soanuch, C., Zhou, Z., Piumsomboon, P., Chalermsinsuwan, B. (2022) Advanced Powder Technology, 33 (3), pp. 103483.
Kinetic parameters of pyrolysis reaction were important data for simulations of thermal conversion processes of biomass. This study aimed to develop a proper kinetics investigation method for the pyrolysis reaction. Here, a quasi-single reaction of pyrolysis was assumed…
Dianita, C., Piemjaiswang, R., Chalermsinsuwan, B. (2021) Chemical Engineering Research and Design, 176, pp. 279-295.
This study’s objective is to investigate the process structure and operating variables that affect the efficiency of the CLC combined with humid air turbine (HAT) unit to produce electricity. The investigation was carried out by using the Aspen…
The minimum fluidization velocity (Umf) and maximum pressure drop (ΔPmax)of a gas-solid fluidized bed are important hydrodynamic characteristics. The accurate information of these characteristics is required for obtaining the optimum design and operating conditions. In this study, a…
In order to reduce time and resource consumption, the mathematical model was developed to predict lignocellulosic biomass structural components including cellulose, hemicellulose and lignin from ultimate/proximate dataset. Self-organizing maps (SOMs) were integrated with a regression model to obtain…
It is well-known that CO 2 capture with amine treating process has been used and developed in industry to purify the off-gas from the process. Nowadays, the simulation via computer software is one of the most effective tools…
Nowadays, the world is facing severe climate change due to the rapid increase in the world population and the continuing growth of the economy and industry. These lead to substantial greenhouse gas emissions into the atmosphere, especially carbon…
The coefficient of restitution (COR) is an important constant that represents the energy dissipation during contact between two objects. Simulation using the conventional discrete element method (DEM) involves a constant COR. This study presents a DEM simulation method…
Sakaunnapaporn, C., Chaiwang, P., Piumsomboon, P., Chalermsinsuwan, B. (2021) Journal of Thermal Science, 30 (3), pp. 1057-1067.
Piemjaiswang, R., Charoenchaipet, J., Saelau, T., Piumsomboon, P., Chalermsinsuwan, B. (2021) Brazilian Journal of Chemical Engineering, 38 (1), pp. 21-31.
Soanuch, C., Korkerd, K., Phupanit, J., Piemjaiswang, R., Piumsomboon, P., Chalermsinsuwan, B. (2021) Korean Journal of Chemical Engineering, 38 (3), pp. 540-551.
The blood viscosity is correlated with the risk of developing atherosclerotic lesions. The environmental factor can play an important role in altering hemodynamics and low-density lipoprotein (LDL) especially the ambient temperature. The greenhouse gas emission from energy or…
Post-combustion (PC) was the mature technology for CO2 capture from a power plant, but the sorbent regeneration diminished its efficiency. The chemical looping combustion (CLC) was proposed to serve power plants with higher efficiency. The objectives of this…
BACKGROUND Atherosclerosis is a degenerative disease of the arterial wall. It results in the formation of progressively growing plaque lesions that can harden and narrow their host arteries. Current computational models of the inflammatory process that govern atherosclerosis…
Using renewable electric power to drive CO2 electrochemical reduction to high‐value‐added chemical fuels can not only solve the problem of excessive emission of CO2, but also achieve the direct conversion of intermittent electrical energy to chemical energy, which…
Solid natural rubber (NR) was chosen to prepare a carbon dioxide (CO2) adsorbent material in order to solve the disadvantage of using NR latex as the adsorbent. The effect of modifier type on the CO2 adsorption capacity of…
The concern about the environment is the driving force to reduce the CO 2 emission. The main source of CO2 emission is from the flue gas from combustion process. The K 2 CO 3 solid sorbent in circulating…
Polyethylene wax was investigated its possibility to be liquid fuel using non-catalytic pyrolysis process at pyrolysis temperature of 400, 450 and 500 °C. The results showed that at 450 °C pyrolysis temperature, the highest liquid product yield was…
Carbon dioxide (CO2) has been increasingly released to the environment with the increased electricity demand via fossil fuel combustion. The alternative solution is the combustion unit that prevents CO2 from releasing. Chemical looping combustion is the combustion unit…
The objective of this study was to develop empirical models for predicting the obtained products from lignocellulosic biomass through alternative technologies. The model can be applied for further studies to provide the insight information for bio-refinery optimization and…
In this study, two polymorphs of bismuth oxide were synthesized via the solution-based route for the aqueous phase glycerol transformation to high valuable compounds with low energy photocatalysis in the presence of hydrogen peroxide as the electron acceptor.…
At present, global warming becomes a major problem affecting the world in many ways. The main cause is the releasing of large amounts of carbon dioxide (CO2) into the atmosphere. The reduction of CO2 is thus a tremendous…
Minimum fluidization velocity is an important property which can influence the hydrodynamics and chemical conversion in fluidized bed reactor. Most of the fluidized bed boilers usually mix raw biomass solid particles with medium silica sand solid particles. This…
This study used thermogravimetric analysis to investigate activation energy and pre-exponential factor of corn cob pyrolysis via various model-free methods. For applying kinetics of pyrolysis reaction in commercial simulation tools, a representative single reaction of overall pyrolysis reaction…
The conventional impregnation was improved by acid modification as surface treatment to obtain the higher performance of solid sorbent, potassium carbonate supported on gamma alumina, for carbon dioxide (CO2) sorption. Acid modification affected on the shape of the…
Pyrolysis kinetic analysis of biomasses: Sugarcane residue, corn cob, napier grass and their mixture
Pyrolysis kinetic analysis of biomasses: Sugarcane residue, corn cob, napier grass and their mixture
The aim of this study is to investigate pyrolysis kinetic parameters of three high potential energy biomasses including sugarcane residue (tops and leaves), corn cob and Napier grass via thermogravimetry analysis (TGA). In addition, those of their mixture…
In this work, the sorption enhanced steam reforming (SESR) method was developed for improved hydrogen (H2) production, and the drawbacks of conventional steam reforming processes on H2 yield and purity were overcome. However, the SESR process is discontinuous…
This study aims to explore many case scenarios of both single and twin jet fans installation in existing ventilation system such as the operation mode, tilt angle and gap distance of the jet fans on the ventilation efficiency…
Chemical looping combustion (CLC) is a technique for separating carbon dioxide from flue gas. It consists of two main processes: a fuel reactor and an air reactor. In the fuel reactor, fuel reacts with solid metal oxide particles…
Nowadays, the concentration of greenhouse gases in the atmosphere has been growing continuously due to the increase of energy consumption, generated from carbon-based fuels and has created global warming. In this study, a model of carbon dioxide capture…
Nowadays, the global warming is considered as a world problem because it influences the environment by increasing the average temperature of earth surface. One of the greenhouse gases that release from human activities and fossil fuels combustion in…
Carbon dioxide adsorbent is an important factor in the adsorption process of carbon dioxide. Therefore, this study interested in the adsorption of potassium carbonate solid sorbents on gamma-alumina to adsorb carbon dioxide. The added basic solution was used…
Internally circulating fluidized bed reactor (ICFB) is the system with combining the function of reactor, cyclones and loop seal of a conventional circulating fluidized bed reactor (CFB) into a single reactor column. In this type of reactor, the…
Piemjaiswang, R., and Chalermsinsuwan, B. 2020 Asia Conference on Renewable Energy And Environmental Engineering (AREEE 2020), Bangkok, Thailand (2020).
The particulate matter (PM) is one of the harmful pollutants that causing an impact on human health. To study the significance of those small particle properties, the research had been conducted using three-dimensional computational fluid dynamics with the…
Thiemsakul, D., Piemjaiswang, R., Piumsomboon, P., and Chalermsinsuwan, B. 2020 Asia Conference on Renewable Energy And Environmental Engineering (AREEE 2020), Bangkok, Thailand (2020).
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…
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…
Limpachanangkul, P., Liu, L., Hunsom, M., and Chalermsinsuwan, B. Tmrees20 International Conference: Technologies and Materials for Renewable Energy, Environment and Sustainability, Athens, Greece (2020).
Inmanee, N., Chaiwang, P., Chalermsinsuwan, B., and Piumsomboon, P. Tmrees20 International Conference: Technologies and Materials for Renewable Energy, Environment and Sustainability, Athens, Greece (2020).
Soanuch, C., Korkerd, K., Piumsomboon, P., and Chalermsinsuwan, B. Tmrees20 International Conference: Technologies and Materials for Renewable Energy, Environment and Sustainability, Athens, Greece (2020).
Nimmanterdwong, P., Chalermsinsuwan, B., and Piumsomboon, P. Tmrees20 International Conference: Technologies and Materials for Renewable Energy, Environment and Sustainability, Athens, Greece (2020).
Phuakpunk, K., Chalermsinsuwan, B., and Assabumrungrat, S. Tmrees20 International Conference: Technologies and Materials for Renewable Energy, Environment and Sustainability, Athens, Greece (2020).
Uraisakul, W., Chalermsinsuwan, B., and Piumsomboon, P. Tmrees20 International Conference: Technologies and Materials for Renewable Energy, Environment and Sustainability, Athens, Greece (2020).
Chuenphan, T., Yurata, T., Sema, T., and Chalermsinsuwan, B. The 29th Thai Institute of Chemical Engineering and Applied Chemistry Conference (TIChE2020), Bangkok, Thailand (2020).