Patent · US Active

Additives for mercury oxidation in coal-fired power plants

US8439989B2 · kind B2 · utility

17Cited by
84References
41Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 21, 2010
Grant dateMay 14, 2013
Priority date
Expiry dateJan 18, 2031

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF23K2201/505
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention is directed to an additive, primarily for low sulfur and high alkali coals, that includes a transition metal and optionally a halogen to effect mercury oxidation.

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