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Waterloo Emitters are available to fit 2”, 4” and 6” (50 mm, 100 mm and 150 mm) wells. They can be installed in cased wells or open boreholes.
A series of Emitters can be stacked in a single well to ensure coverage of the full thickness of the contaminant plume. They can be used in conjunction with packers and/or circulating pumps to focus the diffusive release, or to increase the radius of influence. Emitters can also be connected from one well to another to allow easy management of the gas supply.
Almost any appropriate fluid (gas or liquid) can be used with the Waterloo Emitter diffusion technology, to apply specific chemicals to a contaminated groundwater plume for enhanced bioremediation, abiotic reactions such as pH adjustment, or for tracer tests.
The new 1.8” (46 mm) Emitters fit easily into existing 2” (50 mm) monitoring wells. For shallow applications in suitable soils, they can be installed through larger direct push casing, resulting in the lowest cost installation of any bioremediation enhancement device.
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- Oxygen release for aerobic bioremediation of BTEX and MTBE
- Hydrogen release for anaerobic reductive dechlorination of solvents
- Introduction of dissolved SF6, argon, etc for use as tracers
- Release of CO2 for pH adjustment
- Light alkane release to promote co-metabolic biodegradation of MTBE
- Horizontal wells
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- Low cost
- Controlled, uniform release for constant
microbial activity
- No amendment loss due to ‘bubbling’
- Easy installation and removal
- No cleanup required on decommissioning
- Very low operating and maintenance costs
- No electricity required
- No slurry to mix, handle or inject
- No hazardous materials to ship or handle
- Suitable for many forms of remediation
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