Patent · US Expired

Method and apparatus for remediation of contaminated soil

US6027284A · kind A · utility

10Cited by
19References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 24, 1999
Grant dateFeb 22, 2000
Priority date
Expiry dateFeb 24, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S210/901
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A method of treating a selected volume of soil comprising the steps of providing a pipe network including at least one layer of perforated fluid conduits, inserting the layer of perforated fluid conduits below the selected volume of soil, introducing a selected soil treatment fluid in the selected volume of soil via the perforated fluid conduits, and successively raising and lowering fluid level through the selected volume of soil, thereby ensuring higher extraction and removal efficiencies.

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