Patent · US Active

Powdered lime composition, method of preparing same and use thereof

US7744678B2 · kind B2 · utility

28Cited by

8References

14Claims

0Family size

Assignee

S.A. Lhoist Recherche et Développement · BE

Inventors

Alain Laudet · Namur, BE
Amandine Gambin · Lure, FR

Key dates

Filing date	Jun 26, 2006
Grant date	Jun 29, 2010
Priority date	—
Expiry date	Feb 1, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01P2006/80
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Powdered lime composition having a BET specific surface area that is equal to or greater than 25 m2/g and a BJH total pore volume obtained from nitrogen desorption that is equal to or greater than 0.1 cm3/g, and furthermore comprising an alkali metal. The alkali metal content is equal to or greater than 0.2% and equal to or less than 3.5% based on the total weight of the composition. There is also described a method of preparing the composition and use thereof to reduce flue gases.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.