Indian Oil has patented a process and system for producing multiple grades of ultralow aromatic solvents from various hydrocarbon streams. The method involves hydrotreating, stripping, adsorption, and distillation steps to convert undesired aromatic molecules into desired naphthene molecules, preserving iso-paraffin molecules. GlobalData’s report on Indian Oil gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Indian Oil, Bioethanol production GMOs was a key innovation area identified from patents. Indian Oil's grant share as of May 2024 was 54%. Grant share is based on the ratio of number of grants to total number of patents.
Production of ultra-low aromatic chemicals from hydrocarbon streams
A recently granted patent (Publication Number: US11999914B2) outlines a novel process for producing ultra-low aromatic chemicals from low-value hydrocarbon streams. The method involves a series of hydrotreating steps in specialized reactor units, utilizing dual functional catalyst systems for desulfurization and hydrogenation. The process includes maintaining specific operating conditions such as temperature, pressure, and gas to oil ratio to achieve desired results. The effluents from each stage are further treated through stripping, mixing with different feedstocks, and selective adsorption to enrich the final product with paraffin, iso-paraffin, and naphthenic molecules. The final step involves distillation to separate out the ultra-low aromatic chemicals.
The patent claims highlight the conversion of aromatic molecules into naphthene molecules through hydrotreating, the specific characteristics of the feedstocks used in each stage, and the composition of the catalyst systems employed. The process aims to significantly reduce the aromatic content and benzene content in the final product, meeting stringent quality standards. By selectively adsorbing aromatic molecules and utilizing distillation for separation, the method ensures the production of ultra-low aromatic chemicals with high purity levels. Overall, the patented process offers a comprehensive and efficient approach to transform low-value hydrocarbon streams into valuable ultra-low aromatic chemicals, catering to the demand for cleaner and higher-quality chemical products in the market.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
GlobalData’s Patent Analytics tracks patent filings and grants from official offices around the world. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
