Method and Device Intended to Purify Sulphur Oxide Containing Exhaust Gas from Internal Combustion Engines by Means of a Multi-stage Adsorption Method
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United States of America Patent
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Aug 20, 2020
app pub date -
Feb 13, 2020
filing date -
Feb 14, 2019
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Abstract
A method and a device intended to purify pollutants from an exhaust gas flow of an internal combustion engine operated with sulphur containing fuel, in particular of a ship internal combustion engine operated with heavy fuel oil, are provided. Exhaust gas flow is in contact with a solid adsorption agent of the adsorber in a first step and binding in particular acid pollutants, which comprise sulphur dioxide and sulphur trioxide. The exhaust gas flow is then guided by a second stage of the adsorber realising fine purification of the exhaust gas flow. The adsorption agent of the second stage is used in the first stage as an adsorption agent.
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