Production of sulphur and activated carbon
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United States of America Patent
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Aug 23, 2005
Grant Date -
Apr 22, 2004
app pub date -
Oct 9, 2003
filing date -
Oct 18, 2002
priority date (Note) -
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Abstract
A petroleum coke-based combined De-SOx and De-NOx process is described comprising use of four key units, namely, a flue gas concentrator (FC), a carbothermal reducer (CR), an elemental sulphur condenser (SC) and an oxidizer for reduced sulphur and nitrogen species (RO). The two major reactants in this process are the petroleum coke, preferably, and a flue gas containing SOx/NOx. The major products are elemental sulphur from the SC and activated coke from the CR. The process provides for SOx and NOx abatement in an economically viable way while the activated coke produced has a wide range of applications, particularly, in environmental protection.
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