The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 13, 2021

Filed:

Sep. 06, 2018
Applicant:

S. A. Lhoist Recherche ET Developpement, Ottignies-Louvain-la-Neuve, BE;

Inventors:

Johan Heiszwolf, Overijse, BE;

Alain Brasseur, Grace-Hollogne, BE;

Mehdi Mazzoun, Rhode-Saint-Genese, BE;

Assignee:

S. A. Lhoist Recherche et Developpement, Ottignies-Louvain-la-Neuve, BE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/50 (2006.01); B01D 53/80 (2006.01); B01D 53/83 (2006.01);
U.S. Cl.
CPC ...
B01D 53/80 (2013.01); B01D 53/505 (2013.01); B01D 53/508 (2013.01); B01D 53/83 (2013.01); B01D 2251/404 (2013.01); B01D 2251/604 (2013.01); B01D 2258/0283 (2013.01);
Abstract

Process for treating flue gases in a circulating dry scrubber device wherein flue gases containing pollutants pass to a reactor where said flue gases contact a sorbent comprising high pore volume and high specific surface area slaked lime or hydrated lime being further sent to a particulate control device where said sorbent particles are separated from said flue gases substantially depleted in pollutants and form respectively a flow of flue gases substantially depleted in pollutants and a flow of sorbent particles being recycled and returned to said reactor.


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