Acid Gas Removal

Update temperature control for a Claus unit with neural networks

Schabort, C. J., Neomagus, H. W. J. P., North-West University, School of Chemical and Minerals Engineering

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 Industry Perspectives: Is it too early to be optimistic for 2014?

Romanow, Stephany, Hydrocarbon Processing Staff

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..

Mitigate fouling in crude unit overhead—Part 1

Sloley, A. W., CH2M Hill

In a refinery crude distillation column, up to 40% of the total heat removal may be found in the tower overhead condenser. The quantity of duty available makes heat integration (HI) between the column..

Improved oxidation process increases sulfur recovery with Claus unit

Vazquez, R. G., Seeger, D., Thundyil, M., GTC Technology US, LLC

Since its development in 1936, the “modified Claus” technology has been the preferred process used by refineries and gas processing plants for the recovery of sulfur from acid-gas streams. M..

Evaluate surfactants as antifoam substitutes in amine systems

Shukla, A. K., Dutta Roy, A. K., Chauhan, P. S., Oil and Natural Gas Corp, Uran plant

The handling capacity of gas sweetening plants using amine solutions is greatly affected by foaming problems. To mitigate foaming problems, antifoam is injected into the amine recirculating system at Oil and Natural Gas Corp.'s Uran refinery in India.

HP Construction Profile: US Midwest refinery nears completion of major modernization project

Romanow, Stephany, Hydrocarbon Processing Staff

In early July 2013, BP announced that it has completed the commissioning and startup of a new, 250,000-bpd crude distillation unit at the Whiting refinery, marking a major achievement in the multi-bil..

Case history: Failure analysis of a syngas compressor

A first-stage impeller in a synthetic gas compressor failed after 20 years of service. The compressor is a six-stage centrifugal compressor driven by a steam turbine. This case history discusses the i..

HP Industry Perspectives: US oil and gas executives energized for the year ahead

Romanow, Stephany, Hydrocarbon Processing Staff

A recent survey of US executives by the KPMG Global Energy Institute supports growing optimism in the domestic energy and manufacturing industries. Much of the renewed enthusiasm is strongly linked to..

HP Innovations

Blume, Adrienne, Hydrocarbon Processing Staff

Training simulator to aid ethylene operatorsHyperion Systems Engineering has delivered to the Linde Group an operator training simulator (OTS) for ONGC Petro-additions Ltd.’s ethylene plant in Da..

Tune up the ‘sweetening’ process for your facility

Garg, M. O., Kumar, S., Ganguly, S. K., Das, G., Sain, B., CSIR-Indian Institute of Petroleum

Novel catalysts can improve the oxidation of thiols (RSH) found in light oils. Thiols in petroleum products, such as liquefied petroleum gas (LPG) and light straight-run naphtha (LSRN), usually found ..