<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Nowadays, catalyst supports are extensively used to decrease the costs and increase the contact surface area in chemical reactions. Specific surface area, compressive strength, pore volume and pore size are some of the most important characteristics of a catalyst support. In this work, Sol-gel and peptization methods were applied to produce alumina catalyst support. Also the roles of aluminum salts and precipitating agents on the specific surface area and compressive strength of alumina catalyst support were investigated. In addition, various additives and common methods in the increasing surface area, compressive strength and adjusting the porosity and pore size are used in this study. The results show that using caustic soda as precipitating agent and aluminum chloride salt yields catalyst supports with the best compressive strength. Also, using aluminum nitrate and ammonia as precipitating agent produced alumina catalyst support with the highest specific surface area.</p></abstract>

Nowadays, catalyst supports are extensively used to decrease the costs and increase the contact surface area in chemical reactions. Specific surface area, compressive strength, pore volume and pore size are some of the most important characteristics of a catalyst support. In this work, Sol-gel and peptization methods were applied to produce alumina catalyst support. Also the roles of aluminum salts and precipitating agents on the specific surface area and compressive strength of alumina catalyst support were investigated. In addition, various additives and common methods in the increasing surface area, compressive strength and adjusting the porosity and pore size are used in this study. The results show that using caustic soda as precipitating agent and aluminum chloride salt yields catalyst supports with the best compressive strength. Also, using aluminum nitrate and ammonia as precipitating agent produced alumina catalyst support with the highest specific surface area.

Investigation of Salt and precipitating agent effect on the specific surface area and compressive strength of alumina catalyst support

Iran University of Science and Technology

Department of Chemical, Oil and Gas Engineering

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Nowadays, catalyst supports are extensively used to decrease the costs and increase the contact surface area in chemical reactions. Specific surface area,...

Investigation of Salt and precipitating agent effect on the specific surface area and compressive strength of alumina catalyst support

Publié en ligne: 10 oct. 2017

Pages: 35 - 40

DOI: https://doi.org/10.1515/pjct-2017-0045

Mots clés
Alumina, Catalyst Support, Sol Gel, Specific Surface Area, Compressive Strength

© 2017 Mostafa Mahmoudian et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Investigation of Salt and precipitating agent effect on the specific surface area and compressive strength of alumina catalyst support

Publié en ligne: 10 oct. 2017

Pages: 35 - 40

DOI: https://doi.org/10.1515/pjct-2017-0045

Mots clésAlumina, Catalyst Support, Sol Gel, Specific Surface Area, Compressive Strength

© 2017 Mostafa Mahmoudian et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
Alumina, Catalyst Support, Sol Gel, Specific Surface Area, Compressive Strength