Middle East
Chevron sees weaker US, global refining margins
During the first two months of the fourth quarter, US refinery crude-input volumes decreased by 77,000 bpd compared to the third quarter, driven primarily by the continued shutdown of the Richmond, California refinery crude unit. International refinery crude-input volumes increased 9,000 bpd.
Egypt removes anti-dumping fees on polypropylene imports from Saudi Arabia
The north African country has been investigating since April protective measures and anti-dumping fees imposed on Saudi imports due to claims that they are damaging its industry, Prince Salman said. The investigation discovered that the damage was caused by other factors.
US advocacy group calls on Sasol to terminate Iran polyethylene business
Sasol maintains an active presence in Iran through the Arya Sasol Polymer Company (ASPC), which operates two polyethylene plants in Iran. The company is a $900 million joint venture between Sasol and Iran's state-owned National Petrochemical Company (NPC).
Saudi Arabia secures diesel imports for this year amid rising fuel needs
Saudi Aramco has bought diesel under term contracts for 2013 from multiple suppliers including BP, Shell, and Phillips 66, Singapore-based traders say. The country used to be a key exporter of oil products but is increasingly importing more oil products due to strong domestic demand.
Optimize LNG boil-off gas systems for regasification terminals
Depending on LNG composition, N2 content and plant operating mode, an operating pressure of 7 barg to 8 barg was found by the study to be the optimum pressure range.
Molecular sieves in gas processing: Effects and consequences by contaminants
The principles of adsorption on molecular sieves are easy to understand, but practice sometimes reveals traps to avoid.
Improve evaluation of brittle-fracture resistance for vessels
This article discusses a new approach and spreadsheet tool for engineers that can be used to provide operating pressure limits as a function of vessel-metal temperatures.
Evaluate pressure relief system forces in existing installations
The purpose of this study is to limit the number of relief valves that require rigorous engineering calculations to determine the adequacy of the installation.
Improve your plantwide steam network
When optimizing an existing steam network, design and process engineers need a complete understanding of all aspects of the existing system. Accurate energy and material balances must be established.
Update on wet and gas compressor seals
Shaft seals keep compressed gas from leaking out. The need for leak prevention may include process economy, safety and environmental protection. Moreover, the process gas will usually have to be kept ..
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- Navigating the montan wax challenge with renewable alternatives for polymers 4/7
- AFR selects Axens as technology provider for Texas (U.S.) refinery 4/7
- Iran has attacked Saudi Arabia's Jubail petrochemical complex, IRGC says 4/7
- Iran's Marvdasht Petrochemical complex attacked by US and Israel 4/7
- Fluor awarded engineering and design contract for America First Refining's refinery in South Texas 4/7
