Hydroprocessing catalyst compositions for heavy oils
- Publisher
- Elsevier Science
- Year
- 2008
- Weight
- 127 KB
- Volume
- 2008
- Category
- Article
- ISSN
- 1351-4180
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โฆ Synopsis
Carbon dioxide and monoxide used to make biopolymers
Cornell University (USA) has developed a catalytic system for making biopolymers using renewable materials. Novomer has developed technology for production of biodegradable polymers using this catalytic system. Many producers of biodegradable polymers use carbon dioxide and monoxide as starting materials. The trend in the last 5 years has been to produce biodegradable and compostable packaging from vegetable sources especially maize.
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In recent years, increasing emphasis has been placed on recycling spent hydroprocessing catalysts due to environmental regulations which list them as hazardous waste materials. In the present work, the recycling of spent residue hydroprocessing catalysts that contained high levels of vanadium was in
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