July 2001


Special Report: Heat Transfer

Temperature cross-based criterion for multipass heat exchanger design
Gulyani, B. B., Jain, A., Department of Chemical Engineering

A simple equation and graphic procedure give better results

Compact condensing: new technology improves on traditional approach
Haslego, C., Alfa Laval

Benefits include higher efficiency and lower capital and installation costs

Optimize reboiler design
Chen, E., Foster Wheeler

Use these guidelines for best performance

Superheaters: design and performance
Ganapathy, V., Consultant

Understand these factors to improve operation


Diagnose flooding columns efficiently
Barletta, T., Nigg, J., Process Consulting Services, Inc.; Landry, W., Mayfield, J., Ruoss, S., Tosco Refining Co.

Using field pressure data, a refiner made a low-capital modification on a crude distillation column to increase throughput without a shutdown

Engineering and Construction

Anatomy of a capacity increase, maintenance project for an ethylene unit
Girodet, F., Technip Upstream; Pallandt, J., DSM

Revamp work is achieved both cost-effectively and safely

Process Technology

Hydrogen generation – a brief review
Khanna, V. K., Consultant

Project manager discusses vital design features


Consider precast polymer concrete pump foundations
Welch, L., Structural Perservation Systems

Features include faster installation, improved corrosion resistance and lower vibration levels


HP Control: Quantifying financial values
Latour, P. R., Clifftent Inc.

I often read technical and business articles that cry out for a method to more accurately quantify the financial value of dynamic system performance improvements. Such a method has been..

HP Reliability: Conclusions drawn from bearing life equations
Bloch, Heinz P., Hydrocarbon Processing Staff

Fig. 1 shows an example of the influence of contamination on bearing life in general terms. A "real life example" best illustrates the various aspects of bearing life calculations. It s..

HP Automation Safety: A safety culture
Goble, W., exida LLC

I have come to the conclusion that it is hard to maintain a good safety record in the HPI. I have met many topnotch control engineers with good safety orientation. They seem to be doing..

HP Water Management: What are the guidelines for boiler feedwater, boiler water and steam quality?
Huchler, L. A., MarTech Systems, Inc.

Several industrial guidelines address the quality of boiler water and steam. These standards were developed to provide guidance to designers and operators of steam-generating equipment...

HP Impact: HPImpact: Catalysts market to top $2.6 billion
Weirauch, Wendy, Hydrocarbon Processing Staff

Catalysis is a highly technical, complex process. Its products and markets are large and diverse. Moreover, catalysts themselves are important materials of commerce: their applications affect the manu..

HP Impact: HPImpact: Facilities technology roadmap initiative
Weirauch, Wendy, Hydrocarbon Processing Staff

Industry representatives from the owner, operator, engineering, contracting and IT supplier communities participated in launching the Capital Facilities Technology Roadmap Initiative at a recent FIATE..

HP Impact: HPImpact: Business to business: finding success online
Weirauch, Wendy, Hydrocarbon Processing Staff

Suppose you need a birthday gift. Traditionally, you would have driven to a store to make the purchase. Today, you may log on to the Internet and browse your favorite online retailers. When the time c..

HPInformer: International
Jackson, Kim M., Hydrocarbon Processing Staff

ABB and Dow Chemical Co. (Dow) have signed a 10-yr global strategic agreement to upgrade Dow's plants with a new generation of ABB Industrial IT technology to link operations and improve productivity...

Jackson, Kim M., Hydrocarbon Processing Staff

Aspen Technology, Inc., Cambridge, Massachusetts, has announced that Petro-Canada will use Aspen Retail e-business supply chain solutions to manage the delivery of fuel to its retail and wholesale cus..

New Developments: New Developments in products, services and software

Shell-and-tube heat exchanger design, simulationTASC5, from Hyprotech's HTFS suite of thermal design and simulationsoftware, is a fully integrated software tool for thermal andmechanical design of she..

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

Atak Petrochemical to expand Iranian plant Atak Petrochemical Co. has awarded Technip a contract to expand the olefins plant in Atak, Iran. Under the project, the ethylene production capacity will be ..

Free Literature

Remote interface for fieldbusWieland Electric Inc.'s easy-to-use guide outlines its expanding ricos line of remote I/O systems for fieldbus interface applications. The detailed brochure gives an overv..

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

Asia to purchase 29% of the world's air pollution control equipment. In 2001, worldwide orders for air pollution equipment will reach $30 billion; $8.7 billion of this will be slated for Asian countri..

HP Impact: HPImpact: Benefits of increasing plastics in vehicles
Weirauch, Wendy, Hydrocarbon Processing Staff

Using plastics parts to reduce the weight of motor vehicles sold last year in the U.S. could save approximately four billion gallons of gasoline over the life of those vehicles. That's one of the find..

HP Impact: HPImpact: EU's CONCAWE releases studies of note
Weirauch, Wendy, Hydrocarbon Processing Staff

Diesel supply. Could tougher specifications affect diesel supply? According to CONCAWE, evaluating the impact of various measures on the EU refining industry is generally based on the assumption that ..

HP Impact: HPImpact: Valve automation gains renewed interest
Weirauch, Wendy, Hydrocarbon Processing Staff

The focus of manufacturers on Y2K and e-business shut off many capital investments for valve automation, according to an analysis from ARC Advisory Group (www.arcweb.com). The past two years have been..

HP Impact: HPImpact: What does it mean to be lean?
Weirauch, Wendy, Hydrocarbon Processing Staff

"Lean Construction" is a production management-based approach to project delivery - a way to design and build capital facilities. Lean production management is claimed to be causing a revolution in ma..

Letters to the Editor

Letters to the editor

Process control The article "Process controller performance assessment" (April, p. 85) promotes some misconceptions regarding both absolute and relative performance of feedback controllers. Minimum va..


California Independent Oil Marketers Association

Bill Crowley, Contributing Editor       Comments? Write: editorial@HydrocarbonProcessing.com Many folks know tha..

Halfway through 2001
Romanow, Stephany, Hydrocarbon Processing Staff

Well, we are halfway through 2001, and it has been an interesting time. This year began with record-high prices for crude oils and natural gas that apparently put the brakes on the HPI'..

Developments in the ammonia process

To meet rising demand, producers seek methods to conserve energy and increase plant efficiencies

Developments in the ammonia process Fig 1

Fig. 1. Typical ammonia process flow sheet for a gas-reforming unit. ..