Patent · US Expired

In-situ vapor stripping for removing volatile organic compounds from groundwater

US5180503A · kind A · utility

60Cited by

6References

23Claims

0Family size

Assignee

The Board of Trustees of the Leland Stanford Junior University · US

Inventors

Steven Gorelick · Redwood City, US
Haim Gvirtzman · Modiin-Maccabim-Reut, IL

Key dates

Filing date	May 10, 1991
Grant date	Jan 19, 1993
Priority date	—
Expiry date	May 10, 2011

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S210/901
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An in-situ system for removing volatile organic compounds (VOCs) from groundwater. The technique includes gas-lift pumping and in-situ vapor stripping.

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