Patent · US Active

Treatment of acid mine drainage

US9487419B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

MINTAILS MINING S A (PTY) LIMITED · ZA

Inventors

Jan Hendrik Phillipus Jacobs · Potchefstroom, ZA
Robert G. Freeman · Provo, US

Key dates

Filing date	Mar 12, 2013
Grant date	Nov 8, 2016
Priority date	—
Expiry date	Oct 25, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2305/023
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

A method for treating acid mine drainage includes mixing acid mine drainage (20) and alkaline tailings from a gold recovery process (140). The acid mine drainage is thereby neutralized (12).

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