June 2008

Archive

Special Report: Process/Plant Optimization

How do feedstocks affect visbreaker operations?
Belchev, Z., Bourgas University; Kirilov, K., Petkov, K., Stratiev, D., LUKOIL Neftohim Burgas

Studies show that feedstock quality and severity on conversion impact the stability of visbreaker residue

Improve amine absorber operations

Follow these three easy steps to find more flexibility in absorber systems

Better manage risks of gas-processing projects
Lamberson, G., International Construction Consulting LLC; Mokhatab, S., Consultant; Wood, D. A., David Wood & Associates

All projects contain risks and opportunities; responding to these uncertainties requires a structured approach to risk management

How to choose a ball valve that curbs fugitive emissions
Adkins, M., Swagelok Company; Ehlert, D., Lubrication Systems Company

Increasing environmental regulations require better choices for commonly used valves with greater reliability and leak-tight seals

Avoiding plant tests with dynamic simulation
Alsop, N., Preemraff; Ferrer, J. M., AspenTech

A model-predictive controller based on models derived from first-principles dynamic simulation as an alternative to empirical models identified from plant test data is presented

Optimize steam system control with dynamic simulation
Chittibabu, H., Kostjuhin, I., Valli, A., Bechtel India Pvt Ltd.

Dynamic simulation was used to evaluate two control schemes of a steam utility system

Consider options to lower benzene levels in gasoline
Kao, S. H., Palmer, E. R., Shipman, D. R., Tung, C., Mustang Engineering Inc.

New regulations further limit this aromatic from the refinery blending pool

Increase diesel recovery
Sloley, A. W., CH2M Hill

New approaches fine-tune methods to separate more diesel as product stream

Bonus Report: Storage/Logistics

Use of 3D scanning safely saves time, money for a Louisiana plant retrofitting
Ahern, B., Trimble

The technology facilitates design by enabling interference checking, accurate parts prefabrication and visualization of results

Cracking in C3 cut/propylene Horton spheres
Gupta, R. P., Harkare, Y. V., Reliance Industries Ltd.

Here's how the problem was diagnosed and solved

Analysis of pressure increase during filling of pressurized LPG storage systems
Mathur, S., Bechtel India Pvt Ltd.; Nanda, R., Technip USA

Use this method to determine when a vapor handling system is needed

Increased plant safety puts focus on tank gauging
Skaug, C., Emerson Process Management

Safety integrity level requirements are now being incorporated

Columns

HP Control: Condenser hot vapor bypass control
Friedman, Y. Z., Petrocontrol

What is the worst mistake? It is the one that is repeated in practically every refinery, and yet, we haven't managed to learn from it. I have chosen to discuss the very simple distillation column pres..

HP Reliability: Consider screw compressors with a reliability focus
Bloch, Heinz P., Hydrocarbon Processing Staff

 In 2007, an engineer at a mid-western US refinery commented on flooded screw compressors. He said, "Every industrial service I have seen has had issues with oil contamination of the flood oil in..

HPIn LNG: Choosing the best offshore liquefaction process
Mokhatab, S., Consultant

Unlocking offshore gas reserves without investing in capital-intensive pipeline infrastructure, infield platforms and onshore infrastructure—while also minimizing exposure to geopolitical and sec..

HP Integration Strategies: Emerging trends in terminal fuel blending solutions
Chin, W., ARC Advisory Group

The optimal blending of crude, gasoline and diesel fuel in refineries continues to be challenging, but the importance of blending is migrating downstream to terminals in the US and will likely increas..

HP Associations: HPIn Associations
Thinnes, Billy, Hydrocarbon Processing Staff

A small, focused conference has its heart in the right place For the busy HPI professional, the calendar is jammed full of conferences to attend an..

HP Innovations

Low-NOx regenerator technology Shell Global Solutions has developed a new regenerator design with catalyst and air distributions for the in situ reduction of nitrogen oxides (NOx ) emissions from flui..

New Developments

Random packing for chemical applications Three-inch FLEXISADDLE low-pressure drop (LPD) random packing is offered for sulfuric acid (SO4?) towers, sulfite (SO3) converters and heat recovery system t..

HP Construction: North America
Thinnes, Billy, Hydrocarbon Processing Staff

IMV Projects has a $4.5 million contract with Korea National Oil Corp. to provide front-end engineering and design services for its 10,000-bpd steam-assisted gravity drainage facility to be built in ..

HP Construction: South America
Thinnes, Billy, Hydrocarbon Processing Staff

ENAP has submitted to the Nacional Environmental Commission (Conama) of Chile its environmental impact declaration for the building of a new distillation unit at its refinery in Aconcagua, Chile. The..

HP Construction: Europe
Thinnes, Billy, Hydrocarbon Processing Staff

  WorleyParsons has a contract with Petrom S.A. for the front-end engineering and design (FEED) associated with the modernization and expansion of the Petrobrazi refinery in Ploesti, Romania. Wor..

HP Construction: Asia-Pacific
Thinnes, Billy, Hydrocarbon Processing Staff

  Idemitsu Kosan Co., Ltd., and Mitsui Chemicals, Inc., will participate alongside Kuwait Petroleum International and Petro Vietnam in the joint venture Nghi Son Refinery & Petrochemical Limited ..

HP Construction: Africa
Thinnes, Billy, Hydrocarbon Processing Staff

  PetroSA's pre-feasibility study into the planned multibillion-rand crude oil refinery in Coega, South Africa, has been completed. The study, which was completed by KBR, in conjunction with Ilit..

Free Literature

CD Rom for biodiesel analysis New CD Rom for biodiesel analysis from Aspectrics, Inc., is intended to complement the Aspectrics Biodiesel Quality Analyzer (BQA 1000). It contains information related..

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

Some firms settle MTBE suits Oil and gas companies—including ConocoPhillips, Marathon Oil, Chevron, BP America, Shell Oil Co. and Valero Energ..

HP Impact: HPImpact: Good news, bad news for Canada's natural gas and oil production
Weirauch, Wendy, Hydrocarbon Processing Staff

Natural gas production in Canada, after two decades of continued growth, reached a plateau in recent years—and may be set to decline overall in the next two. Canada's crude oil and natural gas ar..

HP Impact: HPImpact: Charting the diminished expectations for global oil production gains
Weirauch, Wendy, Hydrocarbon Processing Staff

A recent report from EPRINC provides a summary of many of the key supply constraints that have led to $115+/barrel oil prices. World oil markets have experienced a perfect storm of bad luck over most ..

HP Impact: Study: Land availability won't restrict biofuels supply—demand will
Weirauch, Wendy, Hydrocarbon Processing Staff

A new study finds that—contrary to consensus—global land usage is not going to constrain the supply of biofuels, but economic and technological issues will. In a new study, Wood Mackenzie f..

HP Impact: HPImpact: Wireless in process manufacturing to grow at 32%/yr to 2012
Weirauch, Wendy, Hydrocarbon Processing Staff

The market for wireless devices and equipment in process manufacturing will grow to over $1.1 billion in 2012. This is a 32%/yr growth rate, according to a new ARC Advisory Group study (www.arcweb.co..

HP Impact: HPImpact: Lessons learned: 12 steps to project risk reduction
Weirauch, Wendy, Hydrocarbon Processing Staff

With a new software implementation, project teams plan that each step taken will be successful—each attained goal building on preceding successful steps. But this is only part of the total equat..

HP Impact: HPImpact: Oil major advises IOCs to reformulate their business strategies
Weirauch, Wendy, Hydrocarbon Processing Staff

International oil companies (IOCs) must improve their technological expertise to survive a trend of increasing nationalism among nations owning energy resources, according to Paolo Scaroni, CEO of En..

HP Impact: HPImpact: Oil pricing seen as 'simple' culprit in commodities' climb
Weirauch, Wendy, Hydrocarbon Processing Staff

A new study challenges the conventional wisdom about what is really driving the rise in the cost of corn. Traditional thinking is that the increased cost of corn is a result of a number of complex fa..

Misc

Middle East
Thinnes, Billy, Hydrocarbon Processing Staff

Rohm and Haas Co. and Tasnee Sahara Olefins Co. (TSOC) plan to join together and produce 250,000 metric tons of acrylic acid and related esters in Jubail, Saudi Arabia, beginning in 2011. The resulti..

'Come at once. We've struck a berg.' How would you respond?

TIM LLOYD WRIGHT, European Editor    Comments? Write: editorial@HydrocarbonProcessing.com I think enough of us now are entertaining the notion that the in..