Downstream - Case Studies

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ATOFINA Italia Uses Zimpro® Wet Air Oxidation to Treat MMA Waste Stream

ATOFINA Italia's methyl methacrylate production facility in Rho, Italy, needed to treat blow down from an ammonium sulfate crystallizer. After a thorough investigation of available treatments, wet air oxidation by Siemens Water Technologies was chosen to treat the crystallizer blowdown stream.

Boiler Feed Water Treatment Facility Optimized For A Kentucky Refinery

A refinery in Kentucky was experiencing difficulties with the quality and quantity of water from their existing water treatment system. The water was used for the refinery’s boiler feed water treatment facility. With 18 filters, 10 softeners, a deaerating heater and a reverse osmosis system with pre-filters, plant personnel were overwhelmed with maintenance issues.

Brazilian Refiner Uses Zimpro® Wet Air Oxidation to Treat Caustic From Gasoline Sweetening Processes

Refinaria de Petroleos de Manguinhos (RPDM) is a producer of liquid fuels located near residential areas within Rio de Janeiro. RPDM needed to dispose of spent caustic generated from its gasoline sweetening, gasoline and LPG prewashing, and from gasoline and LPG mercaptans extractions.

California Petroleum Refinery Seeks Assistance With Permit Violations for Stormwater Discharge to Waterway

Petroleum refinary utilizes Siemens wastewater ion exchange turnkey service for help with permit violations for stormwater discharge

Carbon Adsorber System Helps Fertilizer Manufacturer Treat Organics in Rainwater Runoff

Chemical Plant Approaches Zero Discharge

A Gulf Coast chemical plant was faced with an unreliable demineralizer system to meet a proposed expansion of boiler feedwater requirements. In addition, the plant had a wastewater goal of zero liquid discharge.

Chemical System Does Double-Duty at Tannery

Blackhawk Leather, Ltd., one of the most diversified split and grain leather tanners in the world, needed to control wastewater pH and condition sludge at their Milwaukee, Wisconsin, facility. They chose equipment from Siemens Water Technologies.

Chinese Petroleum Corporation Turns to Zimpro® Wet Air Oxidation to Treat Spent Caustic

Chinese Petroleum Corporation (CPC) in Taiwan, People's Republic of China, needed to treat spent caustic liquor from different sources at various refineries. Spent caustic streams are generally a significant odor source, as well as being disruptive to the operation of a biotreatment facility.

Chlorine Dioxide Improves Operating Efficiency in Process-Contaminated Tower

A processing unit in this petrochemical plant utilized a cross flow cooling tower with conventional wood slat fill, and a recirculation rate of 45,000 gallons per minute for process cooling. Chlorine gas was used at an average rate of 600 pounds per day, supplemented with sodium bromide. A chronic leak of process contaminants into the cooling water caused rapid microbiological growth.

Emergency Mobile Clarification Trailers Keep Midwest Refinery Up and Running

Timing is everything when it comes to a scheduled plant outage. But sometimes even the best plans are derailed when a piece of water treatment equipment fails. That's what happened at a Midwest refinery when its conventional clarification system broke down before the plant's scheduled shutdown.

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