Planning/Strategy

Refinery Process Descriptions

A refinery client asked WREG to identify all discharges from the refinery’s sulfur recovery complex. For each unit in the sulfur recovery complex, WREG prepared a process unit block diagram and a discharge matrix. The process block ...


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Routine Maintenance, Repair, and Replacement Determination

In conjunction with a law firm, WREG reviewed Fluid Catalytic Cracking Unit (FCCU) changes planned for a rapidly approaching refinery turnaround and assisted the client in obtaining a determination from the ...


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Power Plant Siting Study in Arizona

WREG conducted air quality feasibility/siting studies for a new 1,000 megawatt power plant in Arizona. Nine candidate sites were systematically evaluated based on conceptual project plans. WREG identified and ranked air ...


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Permitting Options Analysis

WREG evaluated the risks and potential consequences of two permitting options for a partially constructed facility in Virginia, whose operating permit was about to expire: 1) continue construction and maintain the existing permit, or 2) allow the ...


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Integrated Gasification Combined Cycle Power Plant Studies

WREG researched the status of integrated gasification combined cycle (IGCC) technology for a client in the Rocky Mountain region. We evaluated gasification technologies, gas composition, emissions, emission controls and ...


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Early Action Compact/Ozone Action Plan

WREG provided support to the Colorado Petroleum Association (CPA) during the Denver Early Action Compact (EAC) development and modeling process in 2003. The EAC allowed the Denver area to postpone designation as a ...


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