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Pipe laying
Activated-carbon filters and
pipe installtions
Fallbeispiel-Adsorption_1
Fallbeispiel_Adsorption_2
Case study Adsorption
 
Wide-ranging Semi-Volatile Halogenated Hydrocarbon (SVHH) contamination in groundwater was discovered on a site where a former industrial-scale dry cleaners was in operation.
 
Three distinct contaminated areas were accounted for with varying SVHH concentrations:
Treatment Plant Specifications:
Progress of contaminant concentration:
Trichloroethylene contributed to the majority of the contamination (~90%), while roughly 5% of total contamination was determined to be cis-Dichloroethene. Other SVHH species and Vinylchloride appear only on particular sampling locations and in secondary concentrations.
 
ARGUS operates groundwater remediation and downstream groundwater contain-ment on the site since 2002. Downstream groundwater flow is contained by a row of 13 groundwater extraction wells over a distance of approx. 500m.
 
Groundwater is cleaned using a staged-activated carbon installation and is then di-rected into the receiving waters of the Uchte River. The Installation is equipped with a remote monitoring unit.
Number of Wells
13
Flow rate
10 - 20 m³/h
Inflow Concentrations (2002)
10.700 µg/l
Discharge Limit
200 µg/l
Adsorption stage
3 x 2 m³ Water Activated Carbon
Inflow Concentrations (2010)
Durchsatz
8,5 m³/h
Biologische Stufe
2 x 2 m³ Bio-Festbettreaktoren
Aktivkohle
2 x 2 m³ Wasseraktivkohle
Fernüberwachung
2.900 µg/l
Areal 1:
5.000
-
11.000
µg/l
Areal 2:
13.000
-
83.000
µg/l
Areal 3:
3.000
-
10.000
µg/l
case_study_adsorption
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