Category Archives: V-2

Case Studies, DNAPL Recovery and LNAPL Recovery, Electric Pumps, Floating petrochemicals, V-2, Viscous Liquids

Floating Petrochemicals

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Diagram of a vertical cylindrical device labeled from top to bottom with the following parts: Bypass Overflow Intake, Hydrophobic Element Skimmer Intake, Density Float, and Coiled Tube. The components, resembling those in a top-head drive pump, are connected in sequence, forming a long tube-like structure.
03
Jul

PISTON PUMPS REPLACE AIR LIFTS AT DEEP GASOLINE-SPILL PLUME TO RECOVER PRODUCT, NOT WATER

When a large gasoline spill in the Eastern U.S. produced a toxic plume 140 feet below surface, 11 popular-model air-lift pumps were installed in 4-inch-diameter wells to recover the product. But when the pumps brought up groundwater along with the product, the remediation engineer instead specified Blackhawk electric and pneumatic piston pumps.

The Blackhawks proved to be the only pumps that could reach the depth, pump the product without disturbing the formation (emulsification) and provide controlled drawdown and pump rates, according to the staff engineer for the environmental management and consulting engineering company contracted for the cleanup.

Piston pumps replace air lifts at deep gasoline-spill plume to recover product, not water when a large gasoline spill in the eastern u.S. produced a toxic plume.

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Case Studies, Remediation & Recovery, Steel Plans Tar, Toxic Chemical Recovery, V-2, Viscous Liquids

V-2 Low-Flow Pneumatic Pump Recovers Tar

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Industrial site with machinery and tools. A metal container with hoses and a hydraulic tool, including a top-head drive pump, is in the foreground. A larger tank is situated behind the container, with various pipes and industrial equipment visible in the background.
01
Jul

Aussie steel plant: ‘performed exactly as we hoped’

In 2015, engineers at an Australian steel plant works discovered tar in an environmental-monitoring bore.

As part of the investigation and plan for remediation, the company put in a 2-foot diameter, 12-foot-deep well, topping it with a modified-extended version of Blackhawk’s versatile V-2 Pneumatic Piston Pump™ later in the year.

The engineers decided to link the discharge hose to a skip bin (dumpster), with an overflow hose for ground water return to the well. When filled, the bin is emptied using a vacuum truck. The tar is then taken to the company’s recycling plant.

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