Asia/Pacific
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.
South Korean refining margins boosted by exports
For the January-March period, South Korean refining margins are expected to recover on the back of "rises in [global] kerosene and diesel oil prices amid expanding demand for heating oil" and an "upswing in the chemical business," Hyundai Securities said in a research note.
China to boost LNG imports to meet winter demand
The National Development and Reform Commission, China's top economic planning body, called on energy companies last week to ensure supplies and maximum output to cope with winter demand. China imports LNG primarily from Qatar, Australia, Indonesia and Malaysia.
CB&I, Chiyoda win engineering, design work for Mozambique LNG trains
The FEED will deliver designs for the initial phase of the Mozambique LNG project of four trains each with 5 million tpy of LNG production capacity. This project is the first LNG project in Mozambique, and it has the potential to expand its capacity up to approximately 50 million tpy of LNG in the future.
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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