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Filter Remediation Service
Pureflow filtration Div. offers remediation services for existing arsenic, iron, and manganese removal, pressure and gravity, filtration systems. Our field personnel are qualified to inspect / troubleshoot on-line filter systems, perform field pilot filter studies to optimize filter efficiency, and offer recommendation for improvement of filter operation. After review of raw and filtered water quality data, and consultation with our engineering staff, we will offer a proposal to remediate and recommission the filter system. Operator training will be included when required.
Filter remediation can be as simple as adding media, or can include supervising the unlading of the existing media, inspecting the filter internals. Defective PVC underdrains can be replaced with similar laterals, or with sturdier 316L stainless steel wedge-wired wrapped laterals.
Additional remediation can include the replacement of existing control panel, butterfly valves / actuators, pretreatment chemical feed pumps, and water quality monitors. A pilot filter study may also provide data to improve the treatment process, select the media for metals removal, and indicate the feasibility of adding a backwash water reclaim system that can recover up to 99.9% of the existing backwash water that is currently disposed to a sewer or pond.