July 2006

Archive

Special Report: LNG and GTL Developments

Improve overpressure protection system for LNG
Wong, W. Y., Consultant

Relief events require better planning to ensure safe plant operation

How to buy glycol dehydrators
Choi, D. W., Engineering Consultant

Purchasing with a better understanding of dehydrator operations can reduce costs for capital investment, operation and maintenance

Natural gas and LNG trade - a global perspective
Economides, M. J., Chemical Engineering Dept., University of Houston; Mokhatab, S., Consultant; Wood, D. A., David Wood & Associates

New dynamics within the gas industry will accelerate its ability to eclipse oil as the premier fuel of the world economy

Consider updates for gasification process
Weishaupt, R., Sud-Chemie AG

Improvements for purification and CO conversion increase reliability of syngas process

Understanding LNG rapid phase transitions
Melham, G. A., Ozog, H, ioMosaic Corp.; Saraf, S., Exponent, Inc.

This basic knowledge can help mitigate potential hazards

Bonus Report: Heat Transfer Developments

Selecting the right steam trap
Frank, S. J., Richards Industries, Inc.

In addition to the type, consider the installation, maintenance and wasted energy costs during its operating life

Understand the difference between solid and serrated fins
Patel, S., Petro-Canada

Here are the advantages and disadvantages of each type and how to calculate their surface areas and efficiencies

Optimize air-cooled heat exchanger performance
Agius, N., Commercial Solutions

Use these guidelines to troubleshoot and correct cooling problems

Plant Design

Comparing historical and laser scan surveys to identify discrepancies
Hoffman, E., Persi, F. M., Quantapoint

Here's a straightforward technique that enables plant personnel to compare the two data-gathering methods and address variances

Columns

HP Reliability: Statistics to think about
Bloch, Heinz P., Hydrocarbon Processing Staff

Some statistics are misleading and some are highly accurate. Here are a few that you may want to ponder. Pump statistics for 2004. For 2004, the US Census Bureau reported 8,535,920 centrifugal pumps s..

HP Automation Safety: Fieldbus in safety applications
Goble, W., exida LLC

Many engineers remember the original ISA S84.01 safety standard of 1996, which stated, "As new technology evolves and becomes available (e.g., ISA SP50 Fieldbus), it will be addressed in future versio..

HP Integration Strategies: Managing the transition to a modern DCS
Hill, D., ARC Advisory Group

Over 30 years ago, the first distributed control system (DCS) technology appeared in commercial operations. These early (first-generation) DCSs brought about some fundamental changes to move from anal..

HPIn Europe: My slow awakening to climate change
Wright, Tim L., Hydrocarbon Processing Staff

Over the past three weeks, after attending two conferences, I feel that I've crossed a threshold of understanding – as Europeans did in 1938 or early 1939. After a decade of warnings, they realiz..

HP Innovations

Handheld near infrared digital transform spectrometer Polychromix, Inc., has a new handheld near infrared digital transform spectrometer (DTS) analyzer. The Phazir is claimed to be the first data anal..

New Developments

Transmitters convert machine vibration to 4-20ma signal The ST5484E two-wire vibration transmitter can be wired directly to your PLC or DCS. It is said to be all that is required for early warning of ..

HP Construction: North America
Jackson, Kim M., Hydrocarbon Processing Staff

Motiva Enterprises LLC is expanding refining capacity in the US. The company has completed initial project scoping and process design for the potential expansion. Results indicate that a 325,000-bpd c..

HP Construction: Europe
Jackson, Kim M., Hydrocarbon Processing Staff

BASF is doubling production capacity for the engineering plastic Ultrason at its Ludwigshafen site. The expansion to 12,000 metric tpy is scheduled for completions late 2007. In addition, the company ..

HP Construction: Middle East
Jackson, Kim M., Hydrocarbon Processing Staff

ABB Lummus Global has a contract with Abu Dhabi Polymers Co., Ltd. (Borouge) for the front-end engineering design (FEED) of an olefins conversion unit to be located at its petrochemical complex in Ruw..

HP Construction: Africa
Jackson, Kim M., Hydrocarbon Processing Staff

APS Engineering Co. has a contract to execute basic engineering design and project management consultancy in implementing a grass roots refinery. The design capacity is 175,000 bpsd to be built at the..

HP Construction: Asia-Pacific
Jackson, Kim M., Hydrocarbon Processing Staff

Toray BASF PBT Resin Sdn. Bhd., a 50-50 joint venture between BASF and Toray Industries Inc., successfully started commercial production at its newly built polybutylene terephthalate (PBT) plant at BA..

Free Literature

Comprehensive rotary seal design information Parker Engineered Polymer Systems (EPS) division has published a 434-page comprehensive Rotary Seal Design Guide (Catalog EPS 5350/USA). The publ..

HP In Brief: HPIn Brief
Weirauch, Wendy, Hydrocarbon Processing Staff

  LNG prospects brighten Despite "operating problems and teething startups," short- and long-term global..

HP Impact: HPImpact: Product specs, cost of transport stir natural gas markets
Weirauch, Wendy, Hydrocarbon Processing Staff

Natural gas is a hydrocarbon mixture primarily composed of methane with lesser amounts of other paraffin hydrocarbons, including ethane, propane and butanes. The value of natural gas lies in the combu..

HP Impact: HPImpact: Bottlenecks in materials, manpower delaying projects
Weirauch, Wendy, Hydrocarbon Processing Staff

Escalating construction costs throughout the LNG supply chain are threatening to crimp what has been a robust industry growth rate. "Sky-high costs have prompted a reassessment of project timelines an..

HP Impact: HPImpact: FTC study finds no price manipulation post-hurricanes
Weirauch, Wendy, Hydrocarbon Processing Staff

The US Federal Trade Commission (FTC) conducted an intensive, Congressionally mandated investigation into whether gasoline prices nationwide were manipulated or if price gouging was practiced in the a..

HP Impact: HPImpact: Industry execs weigh in on commodity pricing, other concerns
Weirauch, Wendy, Hydrocarbon Processing Staff

Energy executives are becoming increasingly concerned over the volatility of oil and gas commodity prices and declining reserves and say their firms will significantly boost upstream capital spending ..

HP Impact: HPImpact: OPEC votes to keep output flowing at same rate
Weirauch, Wendy, Hydrocarbon Processing Staff

Rejecting a call by host Venezuela for a cut in oil production, OPEC decided in its June meeting to maintain current production levels. In announcing the decision, OPEC members said that the world oil..

Letters to the Editor

Letters to the Editor

Process control Dr. Latour's article, "Demise and keys to the rise of process control" (HP, March 2006), is excellent. However, it does me (and readers) a minor disservice when it cites my article, "..