Case Studies

Turn-key program reduced chemical expenses, solids , and energy costs.

A Northeast Acid Mine Drainage (AMD) treatment facility was using calcium hydroxide (lime) to precipitate iron from the mine pool water. The iron in the water stream is in soluble form known as ferrous iron (Fe2). Lime was used to...
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Project Scope

A Northeast engineering firm was selected to clean up a former roofing tar manufacturing site in Queens, NY. Following extensive bench testing and a comprehensive pilot study, they selected a treatment program using a remediation contractor’s surfactant enhanced In-Situ Chemical Oxidation (ISCO) technology. Due to the extent of...
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Project Scope

A remediation contractor received a contract to clean up a former Manufactured Gas Plant (MGP) waste collection area. After thorough site characterization, bench testing and a pilot study, the consulting engineer and the remediation contractor selected the contractor’s patent-pending, surfactant-enhanced In-Situ Chemical Oxidation (ISCO) as the treatment technology....
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Project Scope

A large stainless steel and titanium pickling and finishing company had an issue with visible NOx fumes discharging out of one of their Midwest facilities. The plant had been tasked with the elimination of the fumes that were being generated from their various pickling baths they utilize. Visible...
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Project Scope

A gulf coast refinery was experiencing unacceptable hydrogen sulfide (H2S) releases into occupied work areas in the Coker unit during cutting & quenching operations. Refinery Coker units are used to process residual oil or ‘heavy ends’. A part of the coking process requires quenching the hot coke with...
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Odor & Corrosion Best Practices Webinar

ABSTRACT

This paper describes the evolving odor control program of the City of Wichita, Kansas from 2008 to 2015. In 2010, the City reduced odor control technology expenditure due to a reduction of revenues. The odors increased resulting in an upswing in citizen complaints as well as more corrosion...
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ABSTRACT

In 2015, a maintenance turnaround of the wastewater aeration tank was undertaken at United Refining Company in Warren, PA. During the planned 70 day turnaround, the refinery needed a temporary chemical oxidation program to maintain compliance with permitted effluent phenol levels. This paper will present data and key learnings...
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This paper presents a systematic, step-by-step approach to assist utilities in developing an effective, priority-driven, sulfide and corrosion management plan for their collection systems. Along with aging infrastructure, utilities are faced with problems with high hydrogen sulfide and corrosion in their collection systems. One of the main challenges in addressing...
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