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Process Control

Improve polyethylene process control and product quality

Hydrocarbon Processing / March 2007
National Chemical Laboratory: Badhe, Y. P.  |  Kulkarni, B. D.  |  Lonari, J.  |  Tambe, S. S.
Reliance Industries Ltd.: Deshmukh, S. V.  |  Ravichandran, S.  |  Valecha, N. K.
Process Control

Using artificial intelligence-based sensors can improve costs

Optimize process performance with online pH sensors

Hydrocarbon Processing / March 2007
Invensys Process Systems: Connelly, J. P.
Process Control

Demanding applications need rugged hardware to improve reliability

Fieldbus reinstrumentation project yields significant benefits

Hydrocarbon Processing / March 2007
Yokogawa Corp. of America: Lau, C.
Shell Oil Co.: Medina, M.
Process Control

Here's how Shell upgraded from a pneumatic instrumented plant to a fully digital control system

OPC enables interoperability

Hydrocarbon Processing / March 2007
Matrikon: Murphy, E.
Process Control

The latest enhancement improves communication from the field to enterprise levels

Consider a satellite-based communications backup system

Hydrocarbon Processing / March 2007
Spacenet: Myers, D.
Process Control

This refiner lost communications during a hurricane. Here's how it solved the problem

EDDL: improved interoperability, better integration

Hydrocarbon Processing / March 2007
Fieldbus Foundation: Tatum, B.
Process Control

Industry standard technology offers powerful new features

HP Control: Inferential models that correlate but do not predict

Hydrocarbon Processing / March 2007
Petrocontrol: Friedman, Y. Z.
Process Control

A friend has asked me to help solve a dilemma. A neural net model developed in his plant had a near perfect fit against lab values but in spite of that the model's prediction ability was poor. I was s..

Perform automated distillations with fast gas chromatography

Hydrocarbon Processing / February 2007
Arnel, Inc.: Wentzel, C. S.
Process Control

Using this analytical technique can increase productivity

An online sulfur monitoring system can improve process balance sheets

Hydrocarbon Processing / February 2007
Gas Liquids Engineering Ltd.: Harris, B.  |  Mackenzie, S.
PetroChina: Wang, L.-Z.
Process Control

A Canadian gas processor used this technology to meet environmental regulations

Multivariable predictive control without step testing

Hydrocarbon Processing / January 2007
BP Exploration Operating Comp., Ltd.: Lawrence, D.  |  Sims, M.
PAS Global: Rice, V.  |  Sims, R.
Process Control

Other benefits of this BP project included increased production and reduced energy consumption and emissions