Category: All Posts
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Feasibility Study, Sugar Mill Wastewater Treatment, Nicaragua Sugar Estates Limited (Ingenio San Antonio), Central America
After the Nicaraguan government published new wastewater discharge regulations, a Nicaraguan Sugar Mill was required to select a new wastewater treatment plant. A feasibility study consisting of a wastewater characterization program and a feasibility study was conducted to identify the most cost-effective technology for wastewater treatment.
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Upgrade of a Chemical (Phosphorous) Precipitation System, Food Processor, Buenos Aires, Argentina
A chemical metering system used for chemical precipitation of phosphorous required upgrading to accommodate a higher wastewater flow and phosphorous loading. A new chemical metering system consisting of ferric chloride storage tanks, pumps were designed, specified and constructed.
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Feasibility Study, Remediation of Oxygenate Impacted Groundwater, Retail Gas Station, California
A gas station located in Southern California had contaminated the groundwater with oxygenates. The client was in need to contain plume of MTBE and TBA, which was migrating to an environmentally sensitive area. A feasibility study evaluating nine remediation scenarios was conducted to identify the best remediation option.
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Site Closure Plan and Closure Strategy and Regulatory Support, Former Aerospace Site, Southern California
A soil vapor extraction system located at former aerospace site in Southern California had operated for a number of years. The client requested a strategy to obtain regulatory site closure. In response, a site closure plan was prepared outlining a schedule and a list of technical and administrative requirements to support site closure. The closure…
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Treatment of Groundwater Impacted with 1,4-Dioxane, Westlake Village, California
The development plan for a former media manufacturing site impacted with volatile organic compounds (VOCs) and 1,4-Dioxane in groundwater included the construction of a large development in Westlake Village California. A feasibility study concluded that a pump-and treat system consisting of an advanced oxidation process combined with liquid phase activated carbon (LPGAC) was required. The…
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Feasibility Study for Treatment of Produced Water, Oil and Gas Client, Orange County, California
The site is an active oil and natural gas production property that currently re-injects approximately 135,000 barrels per day (BPD) of produced water. As a result of limited reinjection capacity, the facility was required to treat and discharge up to 30,000 BPD of produced water to the sewer system. Produced water required treatment to comply…
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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…