Author: Roberto Piñón, P.Eng., P.E.
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Biological Wastewater Treatment and Operations Training in Argentina
A wastewater treatment process at a potato processing plant located in Argentina was experiencing continuous upsets with their activated sludge treatment system. A hands-on training program was implemented to teach operators to monitor and control the two existing biological treatment processes consisting of a low rate anaerobic wastewater treatment pre-treatment and an activated sludge treatment…
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Detailed Design and Bid of a Sludge Management System, Manitoba, Canada
To improve the performance of an existing water treatment plant, a sludge dewatering and anaerobic digesting system was designed and constructed.
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Peer Review of Technical Specifications and Design, Remediation of a Waterfront Property, Long Beach, California
The soil and groundwater at a waterfront property were heavily impacted with VOCs including chlorinated hydrocarbons. A remedial action plan outlined remediation activities at the Site consisting of soil excavation, offsite thermal treatment, soil disposal, and installation/operation of remediation systems. A peer review of technical specifications and design was commissioned to check for errors…
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Bench Scale Testing of Advanced Oxidation for MTBE
The Merced County of Environmental Health office ordered a gas station located in Los Banos, California to mitigate a plume of MTBE. To mitigate the MTBE in groundwater, an advanced oxidation system was proposed for the site. A pilot test was performed to assess the impact of ozone on naturally occurring chromium in soil at…
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Feasibility Study, Remediation of Oxygenate Impacted Groundwater, California
A gas station located in Southern California had impacted the groundwater with oxygenates. Prior to implementing a full-scale solution, a feasibility study was prepared to evaluate 9 in-situ remediation technologies and 9 ground-water treatment alternatives.