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Intensive oil phase removal with biosparging

A combination of double pumping oil phase extraction and air sparging was applied in a sandy aquifer. Thanks to this application, both the dissolved and floating oil phases were successfully removed

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Tank area in Morocco – oil phase extraction under ATEX-Standard

A pneumatic operated oil-phase extraction system under ATEX standard was installed and operated at a tank area facility in Morocco. The thickness of the floating oil phase was reduced to 70 - 90% after only a few months of operation.

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Hot-water-flushing

CHC compounds present in ground water were dissolved by thorough rinsing with purified ground water at approximately 90 ° C. For this purpose, a 150 kW continuous water flow heater with electrical control was built and operated at the contaminated site. The heat propagation was monitored using built in in-situ temperature sensors. Additionally, a mobile GC system was operated in the ground water flow to monitor the efficiency of remediation.

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Wedel hydraulic distribution of active agents for the biostimulation of in-situ reductive CHC dechlorination

A 3D system consisting of horizontal and vertical circulation cells were used to form an actively managed biological reduction zone for the remediation of CHC contaminated ground water in a sandy aquifer. The groundwater damage was remediated by active treatment after only 18 months. Degradation of 99% of CHC was observed during this time.

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Europe´s largest bio-oxidation wall treats 10,000 m³ of drinking water daily

Sensatec was contracted by the Berlin-Friedrichshagen waterworks to set up one of Europe's largest actively managed bioreaction zones for the removal of pollutants from an aquifer. A bio-oxidation wall of over 800 m wide and 50 m deep was used to purify groundwater flowing to the waterworks.

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ENA technology for ground water remediation

At the former Progress Center in Zeesen, Sensatec constructed two partially remote controlled ENA plants. The plants managed a remediation area of up to 70 wells with active agents.

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Pressure pulse method for the optimization of substrate introduction during in-situ bioremediation

The efficiency of fluid injection based ground water remediation techniques is limited due to the fact that in most traditional cases, the liquids injected underground do not possess enough pressure or are constantly under pressure and as such, follow the path of the least hydraulic resistance giving rise to the formation of preferred flow paths. The pressure pulse process is first carried out by dynamising the injections and then finally allowing the liquid to form a uniform distribution thereby increasing the absorption capacity of the matrix. At the same time, the formation of preferred flow paths by the injected liquid is prevented.

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Active gas drainage and treatment plant for landfill at Brocken Collection, Bielefeld

Bethel foundation´s Brocken Collection has relocated its business, Brocken Collection from the Business Centre of Bodelschwingh to a loamy area which was a former landfill depot.

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Bioremediation of oil-contaminated soil in Kazakhstan

Oil contaminated drilling sludge was stored for decades in unprotected polders in desert -like areas of an oil field. Recently introduced environmental regulations require the remediation of these polders. Consequently, a biological cleaning process with static regeneration was executed. After 6 months of operation, the threshold limit value for mineral hydrocarbon concentration, which should be below 0.5 %, was achieved.

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Remediation of a contaminated source using in-situ chemical oxidation (ISCO)

Sensatec was contracted to remediate a highly contaminated area through the implementation of ISCO technology.

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COMPANY PROFIL

The interdisciplinary Sensatec team is comprised of process technicians, engineers, biotechnologists, hydro geologists, soil scientists and geologists as well as electrical and environmental protection engineers, among others.

Our Performance:

  • Remediation Technologies
  • Environmental Biotechnology: Reactants, Microbial Compounds
  • Laboratory Analysis, Process Analysis
  • Sensor Technology
  • Drilling Technology

 

MORE INFORMATION?

Tel +49 431 389 00 90

info@sensatec.de

locations in Germany

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