Valves

Redundant control pilot valve system adds reliability in downstream operation

Boltniew, G., Emerson

In downstream processing facilities, such as refineries and chemical plants, downtime is a significant source of lost revenue.

Air-to-air pneumatic booster fail-safe system for valves

Aguirre, M., Cowan Dynamics

In pneumatic valve automation systems, it is common to hear the following terms for valve positions: “fail open (FO),” “fail close (FC)” and “fail last (FL)”.

PSV sizing: An alternative solution to the homogeneous direct-integration method

Hojjati, H., Hojjati, B., WSP Canada Inc.

Pressure safety valves (PSVs) are designed to protect personnel and plant properties from an overpressure occurrence in equipment or piping by relieving fluid to a safe location.

Keeping fugitive emissions costs down with low-E valves

Hunsicker, S., Swagelok

Fugitive emissions have become an increasingly critical area of interest for chemical processing and refining facilities.

Case study: Reliability of low-flow, high-head pumps

Badughaish , M., Saudi Aramco

Pumps are one of the key elements used in different industries, including oil and gas, petrochemicals and water treatment.

Online treatment of a slide valve fault in an FCCU

Ruibo, G., PetroChina Jinzhou Petrochemical Co.; Wei, P., Yansheng, L., China University of Petroleum

The regeneration slide valve is a key piece of equipment that controls the ratio of catalyst to oil and reaction temperature in FCC units (FCCUs).

Debottleneck analysis on a coker debutanizer via simulation models

Production requirements for more valuable refined products and/or increased refining flexibility are increasing due to new regulations.

Key instrumentation technologies to tackle the toughest measurement challenges

Oberle, C., Bonkat, T., Emerson Automation Solutions

Just as some people seek out extreme sports, process manufacturing has its extreme applications, and engineers who design for these environments must find ways to safely contain and monitor all manner of dangerous reactions and products.

Innovations

Mike Rhodes, Hydrocarbon Processing Staff

What are the latest advancements in HPI technologies? This month’s Innovations section details the tools and technologies that are optimizing plant operations.

Isentropic effects: Application and simulation

Parvin, E., Robinson, A., Parv Process Consulting and Engineering

A process safety risk in industry is having unknown problems that are not accounted for.