Patent · US Active

Method for treating wastewater containing heavy metals

US8337702B2 · kind B2 · utility

1Cited by

10References

1Claims

0Family size

Assignee

UNIVERSITI TEKNOLOGI MALAYSIA · MY

Inventors

Zaini Ujang · Kluang, MY
Myzairah Hamdzah · Kluang, MY
Hiroaki Ozaki · Tokyo, JP

Key dates

Filing date	May 25, 2010
Grant date	Dec 25, 2012
Priority date	—
Expiry date	May 25, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2209/40
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method for treating wastewater containing heavy metals comprising directing the wastewater across a reverse osmosis aromatic polyamide membrane at low pressure ranging from 40-120 psi, the membrane being capable of removing at least 90% of the target heavy metals from the wastewater.

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