Economics
Mitigate fouling in crude unit overhead—Part 2
Up to 50% of the refinery’s entire corrosion expense may occur in the crude unit. The root causes of the fouling and corrosion issues are often linked to the basic unit configuration choices, as ..
Improve solvent recovery in wax production
The solvent-recovery section of the deoiling unit for wax production consumes substantial energy. In this study, the effects of operating conditions (pressure), energy consumption and cost, and proces..
Update temperature control for a Claus unit with neural networks
The Natref oil refinery in Sasolburg, South Africa, had experienced refractory problems in the sulfur recovery unit’s (SRU’s) combustion chamber since startup (Fig. 1). Even though the SRU w..
HP Reliability: Maintain proficiency in root-cause-failure analysis
Earlier in the year, the author attended a series of client and organizers’ presentations at the 2013 TapRooT Summit in Gatlinburg, Tennessee. TapRooT is a structured failure analysis and trouble..
HP Integration Strategies: Operational integrity management at Statoil
Asset-intensive industries continue to suffer from unplanned downtime, failure to meet planned production rates, and too many safety and environmental incidents. Until companies can manage and mitigat..
HP Automation Safety: MTTR: Reality vs. calculation
Many reliability engineers trained before IEC 61508 know the acronym MTTR as “mean time to repair.” I certainly learned that definition. Naturally, I think of the time it takes to repair som..
HP Industry Perspectives: Is it too early to be optimistic for 2014?
The increased availability of natural gas supplies are redefining energy conditions. New natural gas reserves are shifting the order for producing nations. Shale gas reserves, once difficult to extrac..
HP Brief
LNG terminal to be built in Uruguay GDF Suez has signed a 15-year contract with Gas Sayago for LNG storage and regasification services in Uruguay. Commercial operation of the new terminal is expected ..
HP Impact: Unconventional oil and gas to boost US trade position
The economic and employment contributions from US unconventional oil and gas production are now being felt throughout the US economy, increasing household incomes, boosting trade and contributing to a..
Case history: Sasol’s optimization of the catalyst regeneration process for C5 isomerization
Advanced process control (APC) offers solutions to use full catalyst regenerator capacity safely and to generate substantial benefits. Significant yield increases and operating cost reductions can be ..
- China's Wanhua Chemical starts operation at new east China cracker 4/4
- Brookfield Infrastructure announces the acquisition of Colonial Enterprises for $9 B 4/4
- PBF restarts some units at Martinez refinery after February fire; fire-damaged units remain shut 4/4
- Japan to curb gasoline prices from June to cushion U.S. tariff blow 4/4
- Evonik presents innovative "Debonding on Demand" concept for more sustainable bonding 4/3
- Oil, gas and refined product imports exempted from Trump’s sweeping tariffs 4/3
