A Metallomicellar Catalyst for Sulfoxidation Reactions in Aqueous Medium and Desulfurization of Model Diesel under Aerobic Conditions
Categories for this Invention
Categories: Chemistry & Chemical Analysis
Industry: Catalyst Manufacturing
Application: Sulfoxide Synthesis, Diesel Desulfurization, Specialty Chemical, Petroleum Refining, Environmental Solutions, Green Chemistry, Catalyst Manufacturing,
Market: The global specialty chemicals market size was valued at US $641 Billion in 2021 and is predicted to reach US $883 Billion by 2028 with 7% CAGR from 2021-2028.
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Problem Statement
- Current methods for sulfoxide synthesis and diesel desulfurization is challenging due to often production of harmful undesired by-products and incomplete sulfur removal.
- Current process depend on hazardous reagent, posing environmental and human health safety risk.
- Scaling up these processes faces hurdles in finding suitable catalyst & equipment.
- Cost and Accessibility of materials limits the method adoption.
- Hence, an inventive method for synthesizing surfactant-based metallomicellar catalysts for sulfoxidation reactions and oxidative desulfurization of model diesel under aerobic conditions.
Technology
The present patent disclosure provides a newly developed surfactant-based molybdenum catalyst [(C19H42N)[MoO(O2)2(C6H4NO3)] (Formula Mo1), for controlled and chemoselective oxidation of organic sulfides to their corresponding sulfoxides and sulfones.
The method for preparing cetyltrimethylammonium (CTA) based oxomolybdenum Catalyst comprises following steps:
- Dissolving molybdate salt in a water, maintain the acidic pH to obtain solution;
- Adding hydrogen peroxide to the solution obtained in step I) to form solution A;
- Adding picolinic acid N-oxide to an aqueous solution of cetyltrimethylammonium (CTA) hydroxide to obtain a solution B;
- Adding a solution A into solution B followed by maintaining the acidic pH and temperature at 0 to 5 °C to obtain cetyltrimethylammonium (CTA) based oxomolybdenum catalyst.
Key Features / Value Proposition
User Perspective:
- The catalyst simplifies sulfoxide and sulfone synthesis, ensuring high efficiency in converting sulfides into valuable products.
- The catalyst’s precise control over oxidation, minimizing unwanted by-products.
- Operating in an aqueous medium under oxygen atmosphere, the catalyst eliminates complex conditions and enhances user safety.
- Catalyst can be used as various substrates, including those with sensitive functional groups.
Industrial Perspective:
- The catalyst’s scalable synthesis and compatibility with common substrates streamline production and reduce costs.
- Offering a greener alternative to traditional methods, the catalyst aligns with sustainability goals and regulatory standards.
- With high selectivity, the catalyst ensures consistent product quality, minimizing variations in industrial operations.
- Compatible with existing processes, the catalyst seamlessly integrates into industrial settings.
Technical Perspective:
- The catalyst’s unique composition enables efficient catalytic activity and selectivity, offering insights into structure-function relationships.
- The precise synthesis method ensures reproducibility and scalability for industrial production.
- Various analytical techniques provide insights into the catalyst’s structure and properties, aiding optimization.
- Applied in oxidative desulfurization of model diesel, the catalyst addresses industrial challenges related to sulfur removal from fuels.
Questions about this Technology?
Contact For Licensing
sm-marketing@imail.iitm.ac.in
ipoffice2@iitm.ac.in
Research Lab
Prof. Dillip Kumar Chand
Department of Chemistry
Intellectual Property
IITM IDF No.: 2452
 IP No.: 472900 (Granted)
Technology Readiness Level
TRL-3
Proof of Concept