Process Control
Modify your vacuum-tower transfer line to increase benefits
Designing the vacuum unit is a challenge. Revamping the transfer line can make this unit more profitable
Advanced process control: quick and easy energy savings
Here are some of the energy savings benefits routinely produced by implementing advanced process control
Consider low-voltage AC drives for hazardous areas
Such drives used with electric motors can offer significant process improvements and energy savings for equipment used in explosive zones
Trading silicon for carbon: how to reduce energy usage through automation
The average plant can conservatively achieve 15% energy savings through this technology
Implementing a suitable safety instrumented system-Part 2
The analysis is the most important step for engineering and designing a suitable system
HP Control: Total- or partial-draw configuration
Ever wonder why some main fractionators are designed with partial-draw trays, whereas others are total draws? A typical partial-draw with pumparound configuration is shown in Fig. 1. Liquid is taken f..
Implementing a suitable safety instrumented system—Part 1
The "analysis phase" is the most important step for engineering and designing a suitable system
HP Control: Process control practice renewal 2010
Allan Kern, Zak Friedman and I have offered numerous ideas to strengthen the practice of process control.1-4 Allan Kern inaugurated a fundamental assessment of process control engineering practice in ..
Looking for improved diesel yields?
Consider using spectro-molecular control to maximize profits
HP Control: Distillation column dual-temperature control—Part 2
Part 1 of this editorial1 has considered a distillation dual temperature control structure and concluded that such strategy is problematic and not likely to work. If you accept that dual-temperature c..
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