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Chemical Engineering MagazineCO2-to-methanol
Researchers from Penn State University (State College, Pa.; www.psu.edu) and…
Chemical Engineering MagazineChementator Briefs
Bio-isoprene Yokohama Rubber Co. (Tokyo, Japan; www.yokohama.com) has developed what…
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Figure 1. Pitting on the internal surface of a tube can result from the presence of oxygen in the boiler feedwater
These key elements of internal boiler feedwater (BFW) treatment will help avoid boiler tube failures due to scale and pitting…
Figure 1. A unique aspect of producing chemicals for the oil-and-gas sector is that CPI companies have developed methodologies to tailor products for a customer’s specific situation
The complex demands of oil-and-gas production often require the development of customized chemical technologies, and CPI companies are rising to…
Figure 5. Using a magnetic coupling, the SLW is a hermetically sealed, twin-screw pump used in the chemical and petrochemical sectors because it is environmentally friendly ITT Bornemann
New pump technologies offer better containment and reliability to keep product flowing safely and efficiently Because moving hazardous or high-value…
Figure 3. Secure commercial systems use firmware, including data encryption and device authentication, on their wireless remote-monitoring products for a more reliable and secure wireless network infrastructure
Do not assume security is extensive enough to protect your critical data and processes. Take a layered security approach using…
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Treating Boiler Feedwater for Reliable Operation
Creating Custom Chemistry for Oil-and-Gas Production
Improved Pump Solutions Keep Product Moving
Protecting Sensor Data Transmitted Wirelessly: A Grounds-Up Approach
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 Haldor Topsoe invests in Indian fertilizer plant September 13, 2018
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CO2-to-methanol
Researchers from Penn State University (State College, Pa.; www.psu.edu) and ...
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Worth A Second Look
Purifying Coke-Cooling Wastewater
03/01/2010
548726a475974-0310_SCJ_EP1_1
The delayed coking process is a fundamental part of the petroleum refining and petrochemical industries, and is among the main technical means for transforming inexpensive heavy oil into more valuable, light-oil products. The process uses high-sulfur heavy oil as its raw material, and requires a large amount of cooling water. The large volume of wastewater produced by a delayed coking process at a typical petroleum refinery not only contains solid coke breeze (residue from screening heat-treated coke) and liquid heavy oil, but also contains organic and inorganic sulfides — all potential sources of environmental pollution. The problem of cleaning coke-cooling wastewater has vexed engineers for decades, but effective solutions have remained elusive. Without a low-cost technique to treat coke-cooling wastewater, environmentally inocuous production of petroleum is impossible. The process discussed here represents an improved method for purifying coke-cooling wastewater and offers a path toward cleaner petrochemical production.
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