Author Archives: Roberto Piñón, P.Eng., P.E.

Pilot Testing an Advanced Oxidation System at Salton Sea, Salton Sea Authority, Imperial County, California

As part of a feasibility study intended to identify technical options to restore the water quality in a lake, an advanced oxidation system pilot test was performed to demonstrate the technology, and obtain operations data for a system pre-design and cost estimate.

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Fixed-Price Guaranteed Remediation Project, Former Aerospace Site Impacted with VOCs, Southern California

runwayA former aerospace manufacturing site was impacted with perchloroethylene (PCE) and trichloriethylene (TCE) in soil gas. The operation and maintenance of a soil vapor extraction (SVE) system was outsourced through closure.

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Groundwater Remediation using Air Sparge | Pilot Testing, Design, Construction, and Operation

Air sparge is an in situ groundwater remediation technology which uses vertical or horizontal wells to transfer a continuous or pulsed flow air into the groundwater. The purpose of air sparge system is to reduce the concentrations of volatile organic compounds (VOCs) in groundwater through enhanced volatilization, and mass transfer of VOCs and oxygen. Continue reading

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Protected: Commerce Remote System View

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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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Environmental Project Management

Project Management
Management experience includes project management of feasibility studies, design projects, construction of remediation systems, construction of wastewater treatment systems, long-term operation and maintenance of remediation systems, and consulting projects for municipal and industrial clients. Project management includes to multi-million dollar projects under different contracting mechanisms which include time-and-materials, fixed-price, and fixed-price guaranteed contracts.

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Environmental Services for the Oil and Gas Industry

Environmental Services for the Oil and Gas IndustryProject experience with the oil and gas industry includes a wide range of environmental services from due diligence to remediation of retail sites, marine terminals, tank farms, and refineries. Our environmental consulting and engineering services include water resources management; soil and groundwater remediation; water treatment, and long-term environmental management of petroleum hydrocarbons.

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Remediation of Soil and Groundwater

Environmental Services for the Oil and Gas Industry
We design and operate remediation systems that include: soil excavation and disposal/recycle, soil vapor extraction, air sparge, oxidation, advanced oxidation, chemical metering systems, liquid phase activated carbon systems, vapor phase activated carbon systems among many other technologies. Continue reading

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Latest and Greatest Posts on Engineering Soil Remediation, Groundwater Remediation, and Water Treatment

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Perchlorate Impacts in Soil and Groundwater

Perchlorate is a known thyroid gland disruptor and its concentration is regulated in soil and groundwater. We offer a broad range of professional services to investigate, delineate, and remediate perchlorate in soil and groundwater using proven technologies such as ion-exchange and anoxic filters. Continue reading

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