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solid acid

A GREEN AND EFFICIENT ROUTE TO SYNTHESIS OF DIACETALS WITH PENTAERYTHRITOL USING SOLID ACID CATALYSTS

A GREEN AND EFFICIENT ROUTE TO SYNTHESIS OF DIACETALS WITH PENTAERYTHRITOL USING SOLID ACID CATALYSTS

... camphorsulphonic acid [22], iodine [23], formic acid [24] and a series of cationic diphosphine Lewis acidic complexes of Pt(II), Pd(II), and Rh(III) etc ...of solid acid catalyst eliminates ...

14

Synthesised Sulfonic Solid
Acid Catalysts for Liquid
Phase Reactions

Synthesised Sulfonic Solid Acid Catalysts for Liquid Phase Reactions

... the solid acid catalyst suspended in 2 cm 3 of the appropriate solvent was ...the solid acid, was measured and displayed as seen in Figure ...

177

Direct production of biodiesel from high-acid value Jatrophaoil with solid acid catalyst derived from lignin

Direct production of biodiesel from high-acid value Jatrophaoil with solid acid catalyst derived from lignin

... of solid acid catalysts ...make solid acid catalysts, showing high cata- lytic activity for biodiesel production from low-qualified oils with high FFAs ...

8

Development of Electrocatalysts in Solid Acid Fuel Cells

Development of Electrocatalysts in Solid Acid Fuel Cells

... Solid acid fuel cells (SAFCs) are a relatively new type of fuel cell, that employ purely protonic conductive solid materials, so called solid acid compounds, as ...electrolytes. ...

129

Preparation of a Carbon Based Solid Acid with High Acid Density via a Novel Method

Preparation of a Carbon Based Solid Acid with High Acid Density via a Novel Method

... As reusability of the solid acid was so important, recycling reactions were designed. When the first run was over, the used 0.02 g catalyst was collected and washed with ethanol for several times. The ...

5

Advancing Electrocatalysis in Solid Acid Fuel Cells

Advancing Electrocatalysis in Solid Acid Fuel Cells

... To summarize, the initial droplet size, evaporation rate, and droplet disintegration process, and hence ultimate particle size are influenced by both the solution prop- erties and the process parameters. [40, 76] As a ...

173

Synthesis of Dihydroquinoline Derivatives Using  Biodegradable Cellulose Sulfuric Acid as a Solid  Acid Catalyst

Synthesis of Dihydroquinoline Derivatives Using Biodegradable Cellulose Sulfuric Acid as a Solid Acid Catalyst

... sulfuric acid has emerged as a solid acid catalyst for acid catalyzed reactions, such as synthesis of a-aminonitriles [17], imidazoazines [18], quinolines [19], xanthenes [20], 3,4- ...

8

Superprotonic Solid acid Phase Transitions and Stability

Superprotonic Solid acid Phase Transitions and Stability

... other solid acid samples which are synthesized by aqueous precipitation by the addition of methanol or acetone, chemical intermediates cannot reliably be produced by powder ...

164

Electrocatalysis in Solid Acid Fuel Cells

Electrocatalysis in Solid Acid Fuel Cells

... in solid acid fuel cells which operate at intermediate temperatures of ~ 250 ...proton-conducting solid acid electrolyte CsH 2 PO 4 ...

343

Esterification of Free Fatty Acid by Selected Homogeneous and Solid Acid Catalysts for Biodiesel Production

Esterification of Free Fatty Acid by Selected Homogeneous and Solid Acid Catalysts for Biodiesel Production

... fatty acid found in yellow grease and non-edible oily feedstock used for biodiesel ...sulphuric acid, selected as the homogeneous catalyst provides high FFA conversion at mild temperatures, with conversion ...

154

Electrocatalysis in Solid Acid Fuel Cell Electrodes

Electrocatalysis in Solid Acid Fuel Cell Electrodes

... I have worked with a lot of researchers at Caltech that I have learned a great deal from. I am grateful to Aron Varga for teaching me how to electrospray. I am thankful to Moritz Pfohl for showing me how to use the ...

186

Environmentally Benign Bifunctional Solid Acid and Base Catalysts

Environmentally Benign Bifunctional Solid Acid and Base Catalysts

... Table 1 shows the elemental analysis data for the supported aminopropyl and aminopropyl/sulfonic acid catalysts, as molar concentrations (converted from reported weight percentages) . The carbon data is useful in ...

18

Acid Activated Palygorskite: An Efficient Solid Acid Catalyst for Acetylation Reactions – A Comparative Study

Acid Activated Palygorskite: An Efficient Solid Acid Catalyst for Acetylation Reactions – A Comparative Study

... the acid site distribution of the raw and acid activated palygorskite mineral ...and acid activated palygrskite are based on the desorption temperature maxima which could be divided in to three ...

6

Electrochemical Characterization of Solid Acid Fuel Cell Electrodes

Electrochemical Characterization of Solid Acid Fuel Cell Electrodes

... In recent years, geometrically well-defined point and patterned microelectrodes have received increasing attention from the fuel cell community. However, few researchers have exploited the benefits of the resultant ...

227

Transesterification of croton megalocarpus oil over tungsten trioxide loaded on silica mesoporous-macroparticles

Transesterification of croton megalocarpus oil over tungsten trioxide loaded on silica mesoporous-macroparticles

... of solid acid catalyst would be ...of solid acid catalyst for biodiesel production has not been encouraged due to its limitations such as slow reaction rate and possible undesirable side ...of ...

39

nanosilica extracted from rice husk in Polyhydroqinilion Synthesis

nanosilica extracted from rice husk in Polyhydroqinilion Synthesis

... Phosphosulfonic acid as a multi solid site was easily prepared from the reaction of ammonium dihydrogen phosphate with chlorosulfonic acid in CCl4and for improved its catalytic activity was supported ...

7

Sulfonic Acid Solid Catalytic Pretreatment and Hydrolysis of Biomass.

Sulfonic Acid Solid Catalytic Pretreatment and Hydrolysis of Biomass.

... pollution, solid acid catalysts have been proposed for converting carbohydrate into simple sugars (Lai et ...a solid material, the catalyst could be recycled sever times, which make this process ...

132

Phospho Sulfonic Acid Catalyzed Synthesis of Benzimidazole, Benzoxazole and Quinoxaline Derivatives under Green Solvent at Ambient Temperature

Phospho Sulfonic Acid Catalyzed Synthesis of Benzimidazole, Benzoxazole and Quinoxaline Derivatives under Green Solvent at Ambient Temperature

... effective solid acid catalyst for the synthesis of indazolo[1,2-b]- phthalazinetriones [36] was reported by Kiasat et ...promising solid acid catalyst for acid-catalyzed reactions, such ...

13

 SOLID SELF NANO EMULSIFYING DRUG DELIVERY SYSTEM (SOLID SNEDDS) OF MEFENAMIC ACID: FORMULA OPTIMIZATION USING AEROSIL®-200 AND AVICEL® PH-101 WITH FACTORIAL DESIGN

 SOLID SELF NANO EMULSIFYING DRUG DELIVERY SYSTEM (SOLID SNEDDS) OF MEFENAMIC ACID: FORMULA OPTIMIZATION USING AEROSIL®-200 AND AVICEL® PH-101 WITH FACTORIAL DESIGN

... mefenamic acid capsules and tablets follows the zero order, the release of mefenamic acid occurs slowly and is not affected by the concentration of mefenamic acid but the solubility of mefenamic ...

7

Isoprenoids Production from Lipid-Extracted Microalgal Biomass Residues Using the Engineered E. coli

Isoprenoids Production from Lipid-Extracted Microalgal Biomass Residues Using the Engineered E. coli

... The compositions of LMBRs were determined with previous methods. Cellulose and hemicellulose were analyzed according to the method of NREL Laboratory Analytical Procedure (LAP) [15]. This method is used to detect the ...

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