Molybdenum Organometallic Catalyst for Hydrocarbon Cracking
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Solution Overview
Problem
Catalysts for resid upgradation in the oil and gas industry face inefficiencies due to high decomposition temperatures, which are not aligned with the boiling points of hydrocarbon feedstocks, limiting the effectiveness of the conversion process.
Innovation Solution
Development of a molybdenum-based organometallic compound with tunable decomposition temperature, achieved by varying the amounts of carboxylic acid and alcohol additives, allowing for controlled thermal stability within the range of hydrocarbon boiling points.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional catalysts are used for resid upgradation, then the catalyst structure is simple and easy to manufacture, but the decomposition temperature is too high to match hydrocarbon boiling points, reducing conversion efficiency
Solution Approach 1:
The patent employs composite organometallic compounds combining molybdenum or tungsten with organic ligands (carboxylic acids, alcohols, or their derivatives). This composite structure allows the catalyst to achieve decomposition temperatures within the hydrocarbon boiling point range (350-750°C) while maintaining catalytic activity, resolving the contradiction between simple structure and optimal temperature performance
Solution Approach 2:
The patent systematically varies parameters including metal selection (Mo/W), ligand types (carboxylic acid chains C1-C20, alcohol chains C1-C20), molar ratios, and synthesis conditions to precisely control decomposition temperature. This parameter optimization enables the catalyst to decompose at temperatures matching hydrocarbon boiling points, thereby improving conversion efficiency
2Productivity
If the decomposition temperature is reduced to match hydrocarbon boiling points, then conversion efficiency improves, but the catalyst structure becomes more complex
Solution Approach 1:
The patent uses systematic parameter variation within defined ranges (metal type, ligand chain length C1-C20, molar ratios) to achieve decomposition temperature control without excessive structural complexity. The standardized ligand structures and controlled synthesis parameters maintain manufacturing feasibility while achieving the desired temperature profile for improved conversion efficiency
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The organometallic compound effectively enhances the conversion of high boiling point hydrocarbons to lighter fractions, achieving up to 85% conversion efficiency, thereby improving the resid upgradation process.
Implementation Method 1
an organometallic compound of Formula I... M is selected from Group VI-B metals... decomposition temperature that falls within the range of the boiling point of the hydrocarbon feedstock
Implementation Method 2
the organometallic compound effectively enhances the conversion of high boiling point hydrocarbons to lighter fractions, achieving up to 85% conversion efficiency
Data Source
AI summary
The instant disclosure provides an organometallic compound of Formula I:wherein R is selected from —C1-10 alkyl or —C(O)C1-10 alkyl; R1 is selected from —C1-10 alkyl, —C(O)C1-10 alkyl, —C(O)C1-10 alkylN+RaRbCl−, —C(O)C1-10 alkylN(CO)Ra, —C1-10 alkylN+RaRbCl—, or —C1-10 alkylN(CO)Ra, wherein Ra, and Rb is independently selected from H, C6-12 aryl, C1-10 alkyl, C6-12 aryl, or C1-10 alkyl; R, and R1 can be taken together to form a monocyclic 6-8 membered ring; M is selected from Group VI-B metals; and m and n is independently 1 to 3. A process for obtaining the organometallic compound is also provided.