Patent · US Expired

Method for treating waste water

US7247240B2 · kind B2 · utility

2Cited by
7References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 11, 2003
Grant dateJul 24, 2007
Priority date
Expiry dateDec 31, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S210/908
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

The invention provides a method for treating waste water wherein organic and inorganic substances in waste water can be treated at high levels regardless of the concentration, and a unit itself can be made compact. The method of the invention is a method for treating waste water, which comprises treating waste water at 100° C. or less in the presence of oxygen and catalyst containing noble metal and active carbon and having pores, wherein the volume of pores having a radius of 40 Å or more and less than 100 Å is 0.05 ml/g or more.

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