Patent · US Expired

Mineralization of alkali metals, sulfur, and halogens

US7531152B2 · kind B2 · utility

3Cited by
34References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 26, 2003
Grant dateMay 12, 2009
Priority date
Expiry dateFeb 26, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P40/10
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A system and method for conversion of alkali metals, heavy metals, halogens, and sulfur into mineral products. The system includes a single reaction vessel. To begin the process, co-reactants such as lime and clay are mixed with waste feeds containing alkali metals, heavy metals, halogens, and sulfur. This mixture is then introduced into the reaction vessel. The reaction vessel is operated under reducing conditions. After the mineral products are allowed to form, they are collected from the reaction vessel.

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