• 专利标题:   Acid gas removal/capture system used for converting carbon dioxide to chemical compound, comprises absorption section for adding solvent to acid gas stream to form mixture, where solvent capable of absorbing carbon dioxide, and regeneration section for separating chemical compound and solvent.
  • 专利号:   WO2022177420-A1
  • 发明人:   CHAN Z P, QUEK V C, ZAIN M M
  • 专利权人:   PETRONAS PETROLIAM NASIONAL BERHAD
  • 国际专利分类:   B01J019/12, B01J021/06, C07C029/80, C07C029/88, C07C031/04
  • 专利详细信息:   WO2022177420-A1 25 Aug 2022 C07C-029/80 202275 Pages: 25 English
  • 申请详细信息:   WO2022177420-A1 WOMY050009 15 Feb 2022
  • 优先权号:   MY000869

▎ 摘  要

NOVELTY - Acid gas removal/capture system comprises an absorption section (100) for adding a solvent to an acid gas stream to form a mixture, where the solvent capable of absorbing carbon dioxide, and a regeneration section (200) for separating the chemical compound and solvent from the mixture, where the regeneration section comprises a photoreactor (24) comprising at least one catalyst for initiating a photoreaction to convert the carbon dioxide in the mixture to the chemical compound. The regeneration section comprises a liquid-gas phase separator (34) for separating the chemical compound from the mixture, a pervaporation membrane (32) for separating the chemical compound from the mixture, a distillation apparatus for separating the chemical compound from the mixture, and a flash drum for recovery of light or volatile hydrocarbons from the mixture before it is received by the photoreactor. The photoreactor irradiates the mixture with a light source at a wavelengths of 200-700 nm. USE - The acid gas removal/capture system is useful for converting carbon dioxide to at least one chemical compound. ADVANTAGE - The system is environmentally-friendly of removing acid gases from natural gas streams, and reduces the amount of carbon dioxide emitted into the atmosphere. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a process for converting carbon dioxide to one or more chemical compounds in an acid gas removal/capture system. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of an acid gas removal/capture system. 24Photoreactor 32Pervaporation membrane 34Liquid-gas phase separator 100Absorption section 200Regeneration section