Category Archives: Water Treatment

Dual Phase Extraction System, Permitting Design, and Construction | Berkeley CA

A former industrial building located in Berkeley, California was impacted with Chlorinated Volatile Organic Compounds (CVOCs), including trichloroethene (TCE) and cis-1,2-dichloroethylene (cis-1,2-DCE); total petroleum hydrocarbons as gasoline (TPH-g), Dense Non-Aqueous Phase Liquid, and (DNAPL) and Light Non-Aqueous Phase Liquid (NAPL). A dual phase extraction system was permitted for site remediation.

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Advanced Oxidation using Ultraviolet Light and Hydrogen Peroxide

Advanced oxidation systems using hydrogen peroxide (peroxide) and ultraviolet (UV) light are designed to inject hydrogen peroxide in controlled ratios to the water, then mixing the peroxide, and exposing the water and peroxide solution to UV radiation to form hydroxyl radicals (•OH). Peroxide and hydroxyl radicals are strong oxidizing agents capable of oxidizing 1,4-dioxane and several volatile organic compounds (VOCs). The advanced oxidation process is suitable for groundwater remediation with pump-and-treat, water treatment, and industrial wastewater treatment. Treatment with UV/Peroxide may offer technical advantages over ozone based treatment systems.

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Perchlorate Abatement Options | Water and Groundwater

Perchlorate is a known thyroid gland disruptor and its concentration is regulated in soil and groundwater. Read more about the water treatment options for perchlorate impacted groundwater. Continue reading

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Ion Exchange Systems for Removal of Metals and Inorganics

Description Ion Exchange is a process in which ions of a species are displaced from an insoluble exchange material (ion exchange resin) by ions of a different species in water. The removal of target ions is achieved through commercially available … Continue reading

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Water Treatment | Advanced Oxidation with Ozone Peroxide

Advanced Oxidation The advanced oxidation process is a proven technology for the oxidation of a wide range of compounds in water and groundwater impacted with BTEX, MtBE, TPH-g, total petroleum hydrocarbons as diesel (TPH-d), tert-butyl formate (TBF), tert-butyl alcohol (TBA), tert-amyl methyl ether (TAME), diisopropyl ether (DIPE), polyaromatic hydrocarbons (PAHs), trimethylbenzene, 1,4-dioxane, trichloroethylene (TCE), perchloroethylene (PCE), 1,2-dichloroethene (1,2-DCE), 1,1-dichloroethene (1,1-DCE), vinyl chloride, and tetrahydrofuran.

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Improving Environmental Process Operations with Instrumentation, Control, and Web Tools


Operator Training
To improve the operation of environmental processes, we identify process improvement opportunities which include process automation and control, process monitoring and data logging, process redesign, and operator training.

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