Chemical Engineering Practice

The formation of a flammable vapor cloud following a spill of cryogenic liquids, such as ammonia and LNG (liquefied natural gas), on a ground or water includes significant toxic, fire or explosion hazards. The ability to predict the consequences of such an event is crucial to perform proper risk...

AIChE 2012 Spring Conference Modeling Dynamic Heat Transfer in Piping Systems using an Enhanced ASTM C-680 Algorithm Debby Sielegar Process Engineering Specialist Bechtel Oil, Gas & Chemicals, Inc. David Messersmith (co-author) LNG Technology Manager Bechtel Oil, Gas & Chemicals, Inc. ASTM...

One of the most critical issues in engineering and design of FLNG is to reduce top side weight along with its load distribution to the sub-structure. Concentrated top side loads will result in an increase in hull structure costs. The developed 2-row containment system allows flexibility of top side...

Practical Process Integration Retrofit Part 4. Dealing with Large Projects G.T.Polley The Cross-Pinch Method is suitable for use in identify retrofits when the number of streams is small (the example used in the demonstration of this method had seven streams, Polley [2011]). However, Pinch...

Successful Implementation of Advanced Process Control in Cryogenic Plants. Tom Lyndrup and Greg Rogers, Enterprise Products LLC, Houston, Texas. Rafael Aguilar and Duane Morningred, Honeywell Process Solutions, Houston, TX, and Camarillo, CA, USA. Paper to be presented at the 2012 AIChE Spring...

ABSORPTION REFRIGERATION FOR AUXILIARY APPLICATIONS IN LNG PLANT Jordan Belue a , Robert Havlik b , Stanley Huang a , a: Chevron Energy Technology Company, Houston, Texas b: Tengizchevoil, LLP. ABSTRACT A Liquefied Natural Gas (LNG) plant demands a large amount of mechanical power for generating...

PT Badak NGL is the operator for natural gas liquefaction at Badak LNG Plant, Bontang, Indonesia. At present PT Badak NGL has 8 Trains. The mode for liquefaction is using the APCI process license. At the first step, Feed Gas is pre-cooled with propane refrigerant, followed by liquefaction process...

Advanced Process Control (APC) can take on many flavors and levels of sophistication. On the digital control systems (DCS), advanced regulatory controls can create value using property predictions cascaded to DCS controllers or feed forward or decoupling signals can be added to improve stability...

Process Engineers have a strong inclination for qualitative and quantitative analysis of process streams. On-Line process gas analyzers are a fundamental requirement for control, optimization and energy efficiency but have a stigma with end users and maintenance managers, sometimes well earned. On-...

WASTE HEAT RECOVERY CONSIDERATIONS IN LNG PLANTS ABSTRACT DOUGLAS WILES, RYAN HOLLENBACH & STANLEY KWAN Thermal integration in an LNG plant improves its overall thermal efficiency. Thermally integrated plants tend to have lower operating costs and reduced environmental emissions including, CO,...