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Title: Sorbents for the oxidation and removal of mercury

Abstract

A promoted activated carbon sorbent is described that is highly effective for the removal of mercury from flue gas streams. The sorbent comprises a new modified carbon form containing reactive forms of halogen and halides. Optional components may be added to increase reactivity and mercury capacity. These may be added directly with the sorbent, or to the flue gas to enhance sorbent performance and/or mercury capture. Mercury removal efficiencies obtained exceed conventional methods. The sorbent can be regenerated and reused. Sorbent treatment and preparation methods are also described. New methods for in-flight preparation, introduction, and control of the active sorbent into the mercury contaminated gas stream are described.

Inventors:
; ;
Issue Date:
Research Org.:
Midwest Energy Emissions Corp., Corsicana, TX (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1805557
Patent Number(s):
10933370
Application Number:
15/951,970
Assignee:
Midwest Energy Emissions Corp (Corsicana, TX)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
DOE Contract Number:  
FC26-98FT40320
Resource Type:
Patent
Resource Relation:
Patent File Date: 04/12/2018
Country of Publication:
United States
Language:
English

Citation Formats

Olson, Edwin S., Holmes, Michael J., and Pavlish, John H. Sorbents for the oxidation and removal of mercury. United States: N. p., 2021. Web.
Olson, Edwin S., Holmes, Michael J., & Pavlish, John H. Sorbents for the oxidation and removal of mercury. United States.
Olson, Edwin S., Holmes, Michael J., and Pavlish, John H. Tue . "Sorbents for the oxidation and removal of mercury". United States. https://www.osti.gov/servlets/purl/1805557.
@article{osti_1805557,
title = {Sorbents for the oxidation and removal of mercury},
author = {Olson, Edwin S. and Holmes, Michael J. and Pavlish, John H.},
abstractNote = {A promoted activated carbon sorbent is described that is highly effective for the removal of mercury from flue gas streams. The sorbent comprises a new modified carbon form containing reactive forms of halogen and halides. Optional components may be added to increase reactivity and mercury capacity. These may be added directly with the sorbent, or to the flue gas to enhance sorbent performance and/or mercury capture. Mercury removal efficiencies obtained exceed conventional methods. The sorbent can be regenerated and reused. Sorbent treatment and preparation methods are also described. New methods for in-flight preparation, introduction, and control of the active sorbent into the mercury contaminated gas stream are described.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2021},
month = {3}
}

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