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Petro - Theses: Recent submissions

Now showing items 181-200 of 1415

Catalytic activity of Fe, Ti loaded TUD-1

Supakorn Tantisriyanurak (Chulalongkorn University, 2014)

Bimetallic Fe and Ti incorporated into TUD-1 framework is successfully synthesized by sol-gel method. Tetraethyl ammonium hydroxide (TEAOH) was used as a structural directing agent. Silatrane, iron (III) chloride hexahydrate. ...
Preparation of bacterial cellulose containing silk sericin for wound dressing application

Pilailuck Pittayaapipon (Chulalongkorn University, 2012)

Bacterial cellulose (BC) containing silk sericin, a novel wound dressing, was successfully developed. It is known that silk sericin, a glue-like protein in raw silk fibers, is useful for skin care applications due to its ...
Development of electrospun adhesive layer containing ciprofloxacin/coconut oil for antibacterial wound dressing

Sonthaya Chaiarwut (Chulalongkorn University, 2014)

Poly (vinyl acetate), a non-toxic adhesive, was used to prepare electro spun fibrous membranes by blending an antibiotic and wound healing supporter to cover commercial polyurethane (PU) substrate. PU film has many advantages ...
Impact of linker molecules on adsolubilization of organic compounds by using hydrophobic silica modified with EO/PO triblock copolymers

Phongsakorn Banjai (Chulalongkorn University, 2012)

For the past decade, the use of an adsolubilization process to adsorb organic compounds has drawn increasing attention. The process has been found to be useful in applications for the removal of organic compounds from waste ...
Plasma assisted sericin-g-PLA clay aerogel with acrylic acid

Somruethai Saetae (Chulalongkorn University, 2014)

Clay aerogel is light weight, low density and high porosity material produced from bentonite via freeze-drying technique which the morphology is suitable for several applications including biodegradable absorbent material. ...
Modification of lithium borohydride and magnesium hydride mixture for hydrogen storage

Pattaraporn Sridechprasat (Chulalongkorn University, 2012)

In this work, LiBH4 was mixed with magnesium hydride (MgH2) in a 2:1 molar ratio (mixture) in order to investigate the hydrogen desorption/absorption properties. In the first part, the mixture milled for 1 h was observed ...
Catalytic dehydroxylation of glycerol to propylene glycol over copper zinc oxide/magnesium oxide catalysts: effect of catalyst preparation

Siwawut Paengsri (Chulalongkorn University, 2014)

The present study focused on improving the stability of the catalyst in the presence of an alkali for dehydroxylation of glycerol to propylene glycol. The CuZno supported on the basic support MgO was investigated in this ...
Study on macrocyclization on acetylene-based benzoxazine dimer

Patcharida Chouwatat (Chulalongkorn University, 2012)

Up to the present, our group has succeeded in showing a unique benzoxazine chemistry of which the ring opening reaction terminates when the dimer is formed. Acetylene-based benzoxazine dimers, which a reactive alkyne exists ...
Sustainable process design of biofuels: bioethanol production from cellulosic multi-feedstocks

Siwanat Chairakwongsa (Chulalongkorn University, 2014)

This research focuses on sustainable process design of ethanol from lignocellulosic biomass in Thailand. Feedstocks used to produce bioethanol are cassava rhiome, corn stover and sugarcane bagasse as they are agricultural ...
Using two set of maleic anhydride grafted materials to improve compatibility of HDPE/PP blends

Pakamas Promvijit (Chulalongkorn University, 2012)

Polymer blending is one way to resolve plastic waste problem by applying recycle technology. Polyethylene (PE) and Polypropylene (PP) are commodity plastics, which have large consumption, and it contributed to large amount ...
Enhancement of CO2 adsorption on polybenzoxazine-modified activated carbon

Sittipong Puntuchinrungsima (Chulalongkorn University, 2014)

CO2 adsorption on the palm shell-based activated carbon (PSAC), coconut shell-based activated carbon (CSAC), and polybenzoxazine (PBZ) grafted CSAC was investigated. The PBZ loading was varied by different benzoxazine ...
Preparation of graphenen/natural rubber composite for compliant electrode applications

Sasithorn Korattanawittaya (Chulalongkorn University, 2014)

A compliant electrode is a stretchable electronic device that retains good conductivity under stretching. It has been used in various electro-actuating applications that require large deformations under electrical activated ...
Catalytic dehydration of bio-ethanol to heavy hydrocarbons using gallium and germanium oxide modified zeolites

Sakgrit Sujeerakulkai (Chulalongkorn University, 2014)

At present, oil and petrochemical consumptions are grown up rapidly, but petroleum is a nonrenewable energy. So, biomass is an attractive sustainable energy. From literature review, methanol or ethanol can be converted to ...
Ethylene epoxidation in a low-temperature parallel plate dielectric barrier discharge system with two dielectric layers of Ag catalyst : effects of calcination temperature and operating conditions

Satita Sotananan (Chulalongkorn University, 2014)

In this research work, ethylene oxide production performance under a low- temperature parallel plate dielectric barrier discharge (DBD) system with two dielectric glass plates and the upper glass plate coated with 0.1 wt.% ...
Highly porous material from poly(S/DVB)polyHIPE modified by layer-by-layer surface modification for CO2 gas adsorption

Saifon Chongthub (Chulalongkorn University, 2014)

A new type of absorbent for CO2 adsorption was synthesized via emulsion polymerization. The polymer obtained from divinylbezene (DVB) and styrene (S) at ratio of 0:100, 80:20, 20:80. Poly HIPE were prepared using Span 80: ...
Life cycle assessment of asphalt: a focus of end of life and reclaimed asphalt pavement (RAP)

Pongtorn Naiyaboot (Chulalongkorn University, 2014)

Asphalt is an important product of oil refineries-that is extensively used for road pavement. When an asphalt concrete pavement reaches the end of its designed life, the road surfacing is milled, creating a milling waste ...
MCM-48-polybenzoxazine mixed matrix membranes for CH₄/CO₂ separation

Nuttheewan Kittisarunlerd (Chulalongkorn University, 2012)

Mesoporous MCM-48 was synthesized from silatrane via sol-gel process and mixed with polybenzoxazine (PBZ) to fabricate mixed-matrix membranes (MMMs) for gas separation. The performance of the membranes was investigated as ...
Chitosan nanoscaffold injectable gel: a unique bone glue bionanocomposites

Noppadol Trirong (Chulalongkorn University, 2012)

Injectable bone glue is a potential material for bone healing due to the possibility of direct injection into bone breaking area, the efficient bone connection through chemical and/ or physical bonds, and the convenient ...
Hydrogen production from water splitting under visible light irradiation over mesoporous-assembled TiO₂-SiO₂, TiO₂-ZrO₂, and SrTixZr₁₋xO₃ nanocrystal photocatalysts with bimetallic Pt-Ag loading

Nicharee Chaona (Chulalongkorn University, 2012)

Hydrogen is an ideal energy source for the future due to its versatile application and environmentally friendly properties. Photocatalytic water splitting is a chemical reaction for producing hydrogen by using water and ...
Polybenzoxazine-based carbon aerogels for Carbon dioxide capture

Nittada Jungsawat (Chulalongkorn University, 2015)

Carbon aerogels developed from a new type of phenolic resin, called polybenzoazine, was considered to be used as an adsorbent for CO2 adsorption. application. In particular, phenol-based PBZs from two different types of ...

Now showing items 181-200 of 1415

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