Method and system for remediation of groundwater contamination

Details Method and system for remediation of groundwater contamination Method and system for remediation of groundwater contamination

Category

E - Fixed Constructions

Subcategory

02

Subsubcategory

D

IPC codes

E02D 3/00 (2006.01) B01F 3/08 (2006.01) B01F 15/04 (2006.01) B09B 3/00 (2006.01) B09C 1/00 (2006.01) B09C 1/08 (2006.01) C02F 1/72 (2006.01) E02D 31/00 (2006.01) E21B 43/00 (2006.01)

Type

Patent

Patent number

CA 2155854

Description

A method for remediating a hydrocarbon-contaminated region of a subterranean body of groundwater (10) to destroy or reduce the initial concentration levels of hydrocarbon contaminants. A plurality of mutually spaced wells (12, 14, 16, 18) ate provided intersecting the groundwater region, and the existence of acceptable continuity and well interflow paths for the said region is determined by generating a test flow of a solution of hydrogen peroxide from one of the wells and monitoring pH changes at each other of die wells as a function of time to detect a pH drop of at least 0.2. Subsequent to detecting the pH drop, a treating flow of the hydrogen peroxide solution is provided from one or more of the wells. A system to enable the foregoing is also disclosed.

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