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Improved loading of hydrophobic molecules in polyelectrolyte multilayers thin films using the layer-by-layer surface modification

Rateeya Saikaew (Chulalongkorn University, 2014)

Polyelectrolyte multilayers (PEM) thin films fabricated using the Layer-by- Layer (LbL) technique can provide nanostructure coating for improve the loading of hydrophobic molecules. In this work, the films prepared by ...

Synthesis and activity of Ti-Fe-SBA-15 from silatrane

Ratchadaporn Kaewmuang (Chulalongkorn University, 2014)

Monomeric- and bimetallic-incorporated SBA-15 (Fe-SBA-15, Ti-SBA-15 and 0.01Fe-0.01Ti-SBA-15) were successfully synthesized via sol gel process at room temperature in highly acidic condition using silatrane, ferric chloride ...

Catalytic activity of Ni/Ce-Zr mixed oxide catalysts modified by magnesium and manganese for methane dry reforming

Phongphat Prawang (Chulalongkorn University, 2014)

The effect of modifying Ce0.75Zr0.25O2 (CZO) mixed oxide with Mg and Mn in order to adjust its acid-base properties for use as a support of Ni-based Ce-Zr mixed oxide catalysts was investigated. The Ce0.75Zr0.25-xMg2xO2 ...

Time based fractionation of asphaltenes

Phitsanu Teeraphapkul (Chulalongkorn University, 2014)

The precipitation of asphaltenes has been established as a time-dependent process. Asphaltenes precipitated first are expected to be the most unstable asphaltenes and cause severe problems in oil productions. It has also ...

Data reconciliation with gross error detection by NLP for heat exchanger systems

Pathompong Kongchuay (Chulalongkorn University, 2014)

The measured data from instruments in process control activities usually consist of random and gross errors which reduce reliability of measurement. Data reconciliation (DR) technique is applied to improve the accuracy of ...

Improvement of hydrogen production with added fermentation residue and using two-stage anaerobic process under thermophilic temperature

Patcharee Intanoo (Chulalongkorn University, 2014)

The two main objectives of this study were to maximize hydrogen production from alcohol wastewater with added fermentation residue and to optimize the separate production of hydrogen and methane from cassava wastewater ...

Sequential and simultaneous approaches for synthesis of multiperiod heat exchanger network

Parawinee Tangnanthanakan (Chulalongkorn University, 2014)

Global energy demand has increased continuously since the last few decades, thus the energy conservation is a critical issue in most chemical processes. Heat exchanger network (HEN) can help improve heat recovery by ...

Development of microemulsion of castor / sunflower oil as makeup remover from pseudo-ternary phase diagram

Nutthira Pakkang (Chulalongkorn University, 2015)

Preparation of polyvinyl acetate loaded with mangosteen extract for use as antibacterial spray dressing

Nattapol Boonmak (Chulalongkorn University, 2015)

Facile synthesis of hierarchical N-rich nanoporous carbon

Nanthawut Chokaksornsan (Chulalongkorn University, 2015)

Development of bacterial cellulose-based wound dressing material : effect of cell immobilization

Mongkol Tipplook (Chulalongkorn University, 2015)

Bacterial cellulose (BC) pellicle is a polysaccharide produced by Acetobacler xylinum. BC pellicle is a good candidate for being used as a wound dressing material because it can provide a moist and promote the wound healing ...

Reservoir characteristics interpretation by using specific energy with down-hole torque and drag

Lertsak Laosripaiboon (Chulalongkorn University, 2015)

This research studied the effect of down-hole specific energy using down-hole torque and drag on potential zone evaluation by developing a computer al. was used to calculate down-hole parameters, which are friction ...

Sugar evolution by microbial hydrolysis of corncob and sugarcane bagasse : effect of steam-explosion pretreatment

Paranee Traichedtakul (Chulalongkorn University, 2014)

Currently, bioethanol is a promising alternative fuel. It can be easily produced by the conversion of lignocellulosic materials into reducing sugars and further fermented into ethanol. The major lignocellulosic materials, ...

Development of polyaniline / metallic nanoparticles hybrid films for food packaging sensors

Nuntaporn Jeerawitkhajorn (Chulalongkorn University, 2014)

Optical sensor films were prepared by the layer-by-layer (lbl) self-assembly of polycationic (poly(diallydimethylammonium chloride) (PDADMAC) and metallic nanoparticle modified with water-soluble polyaniline (Ag-PANI) or ...

Development of porous supporting fabric-embedded bacterial cellulose composites for wound dressing applications

Nichapat Boonyeun (Chulalongkorn University, 2014)

A bacterial cellulose (BC) pellicle is a polysaccharide produced by Acetobacter xylinum. BC pellicles have many advantages such as hydrophilicity, ultrafine 3D network structure, high purity, high water absorption capacity, ...

The Optimization-based synthesis and design of water/wastewater network for water management in petroleum refinery effluent treatment plant

Natthapong Sueviriyapan (Chulalongkorn University, 2014)

The advent of complicated industrial water/wastewater management problems contributes to a determination of effective systematic design for sustainable solution of water balance among conservation, allocation and regeneration. ...

Selective hydrogenation of 1-hexyne using Pd-Mn on alumina catalysts

Napat Kijtithanont (Chulalongkorn University, 2014)

Mixed C4 hydrocarbon is one of the product streams from the naphtha cracking processes. This stream contains vinylacetylene, butadiene, isobutylene, butyne, butene, butane, etc. The selective catalytic hydrogenation process ...

Solution plasma process for deacetylation and depolymerization of chitin hydrogel

Kuntinee Somboonying (Chulalongkorn University, 2014)

In this study, solution plasma process (SPP), a plasma generated in a liquid phase, was applied in depolymerization and deacetylation reactions of chitin hydrogel to form chitosan. Chitin hydrogel, an amorphous form of ...

Preparation of nylon/chitin membranes by solution casting and coating via DBD plasma treatment for wound care applications

Kullachard Ozawa (Chulalongkorn University, 2014)

To enhance the interaction between nylon and chitin, dielectric barrier discharge plasma (DBD) was applied to treat nylon/chitin membranes fabricated by two different ways which were solution casting and surface coating. ...

Surface modification of poly(styrene/ethylene glycol dimethacrylate)HIPE loaded with hydroxyapatite as a scaffold for tissue engineering application

Kornkanok Noulta (Chulalongkorn University, 2014)

Poly (High Internal Phase Emulsion) (Poly HIPE) foam is a material that is good candidate for used in tissue engineering application due to its 3D structure and highly porous with interconnected pore. The Poly HIPE was ...

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