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Preparation of chitin whisker/pluronic thermal responsive gel for injectabel brug delivery system

Kullakarn Lertrattanakul (Chulalongkorn University, 2013)

Pluronic F-127 (PF-127), a triblock copolymer of polyethylene oxide-polypropylene oxide-polyethylene oxide, is a temperature-responsive polymer that can transform sol to gel at an elevated temperature. Moreover, it is known ...

Role of surface topography and protein adsorption on film scaffolds on bone cells behavior

Khwanjai Anujarawat (Chulalongkorn University, 2013)

The treatment of bone defects requires an appropriate scaffold to regenerate bone tissue. Polycaprolactone films were prepared by solvent-casting technique in different solvents. Polycaprolactone is attractive because it ...

Mechanical, rheological properties and phase morphology of polymer blends based on poly(butylene terepathalate) and high density polyethylene carboxylate ionomer compatibilizer

Keyu Chen (Chulalongkorn University, 2013)

Polymer blending is a well-established route for the development of new polymer. In this study, poly(butylene terepathalate) and high density polyethylene blended with a ethylene/methacrylic acid copolymer, in which the ...

Non-oxidative conversion of methane into olefins using bimetallic Ni-Mo/HZSM-5 catalysts

Jutathip Thiengtrong (Chulalongkorn University, 2015)

The direct route under non-oxidative conditions enables the intermediate syngas step to be suspended from processes that convert methane into olefins as well as prevents the carbon dioxide formation. The performance of ...

Catalytic activity of Pd loaded MCM-48

Kanhatai Budmuang (Chulalongkorn University, 2013)

The mesoporous material, MCM-48, in M41S family, has attracted considerable interest due to its framework of regular mesopores, large surface area, good thermal stability, and 3-dimensional pore structure. All of these ...

Reactive compatibilized PLA/modified EVA blends for injection products

Juthaporn Vipachon (Chulalongkorn University, 2013)

Transesterification of ethylene(vinyl acetate) or EVA via catalytic reactive extrusion in the presence of 1-dodecanal and dibutyl tin dilaurate (DBTL) catalyst was completely occurred in a twin-screw extruder at a screw ...

A hybrid polythiophene-Dye sensitized solar cell

Jaruwan Joothamongkhon (Chulalongkorn University, 2013)

This work aims to study the efficiency of converting sunlight into electricity of dye sensitized solar cell (DSSC). ZnO was used as a semiconductor and fabricated ZnO photoanode by the doctor blade method. The extracted ...

Effect of carbon dioxide on methane adsorption on coconut shell activated carbon in a packed bed column

Chompunick Sitthirawiphong (Chulalongkorn University, 2013)

The investigation of methane adsorption with the presence of carbon dioxide on the coconut shell activated carbon (CSAC) was studied in a packed bed column. The adsorption kinetics of methane and carbon dioxide were examined ...

Preparation of natural rubber-coated banana cellulose-based sheet by DBD plasma treatment for water resistance improvement

Chanikan Saelim (Chulalongkorn University, 2013)

In recent years, there has been much research conducted for the development of plant-based polymeric alternatives to petroleum-based products. Natural rubber is promising due to its outstanding properties such as water ...

Alcohol fuels production by fermentation from chemical pretreatment and enzymatic saccharification of corncob

Akarin Boonsombuti (Chulalongkorn University, 2013)

This study was aiming for produce biobutanol from corncob to substitute fossil fuel, which approach the shortage in the near future. The first work focused in the optimization of biobutanol production using 2 bacterial ...

CO2 absorption: solubility of CO2 in 2-amino-2-methyl-1-propanol solvent promoted by piperazine and monoethanolamine blends

Chikezie Ndubuisi Nwaoha (Chulalongkorn University, 2015)

This research work investigates the solubility data of carbon dioxide (CO2) in a novel ternary blend of aqueous 2-amino-2-methyl-l-propanol (AMP) promoted by piperazine (PZ) and monoethanolamine (MEA) blends have been ...

Detection of microbes in environmental sys using electrochemical biosensor

Chayut Yaempho (Chulalongkorn University, 2015)

The presence of sulfate-reducing bacteria (SRB) in environmental systems can be harmful to the environmental. For example, the hydrogen sulfide which is a product of SRB will react with metal ions in the water to produce ...

Environmental life cycle assessment of palm oil based microemulsion biofuels production

Chaw Su Hlaing (Chulalongkorn University, 2015)

This study focuses on evaluation of Greenhouse Gas (GHG) emissions and environmental impacts of micro emulsion (ME) biofuels from different formulations based on life cycle assessment (LCA) approach. The functional unit ...

Ethylene chain growth in catalytic dehydration of Bio-ethanol using various groups of metal catalysts

Bandith Chokcharoenchai (Chulalongkorn University, 2015)

Metal catalysts that have been widely used to produce aliphatic long-chain hydrocarbons were selected based on two group of reactions; that are Fischer-Tropsch synthesis (FT) and Olefin polymerization (OPR) for the catalytic ...

Improvement of biogas production by added chelants for micronutrient control Arada Sookkeaw

Arada Sookkeaw (Chulalongkorn University, 2015)

Selectivity of ring-contraction products in the hydroisomerization of methylcyclohexane

Teerawit Prasomsri (Chulalongkorn University, 2007)

Preferential oxidation of CO in the presence of H2 over Au-Pt and Pt supported on mordenite catalysts

Prang Kiatkumjai (Chulalongkorn University, 2007)

Environmental and energy assessment of petrochemical products using life cycle assessment (LCA) technique

Nguyen, Nguyen Bao (Chulalongkorn University, 2007)

As a part of the Thailand National LCI Database Development project, this research aims to assess the environmental impacts of the petrochemical industry in Thailand overing upstream, middle-stream and downstream industries. ...

Modeling and validation of planar solid oxide fuel cell stack operating with syngas

Kulapat Watana (Chulalongkorn University, 2007)

Solid oxide fuel cells (SOFCs) are considered as a promising energy conversion device because of their high-energy efficiency and low pollutant emission. One advantage of SOFCs as compared to other types of conventional ...

Stochastic programming with pricing decision for refinery planning

Hansa Lakkhanawat (Chulalongkorn University, 2007)

Planning and scheduling of refinery involve the management of crude oil purchasing and products production schedule for reaching the maximum limit of economic margin. The development of modeling and optimization for refinery ...

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