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Petrochemicals

Use of Process Simulation In Ethylene Plant APC and Dynamic Optimization

Mar 14, 2011
Akitoshi Takinami, Ravi Nath
Showa Denko owns and operates a large Ethylene plant in Oita, Japan. Depending on the economic environment, plant objective is a combination of Energy Efficiency and Production Capacity. In order to achieve these objectives, Showa Denko had contracted Yamatake and Honeywell to design, configure and...

Sulfur Myths - What We Know and What We Do Not Know

Mar 13, 2011
Mark Brayden, Vijay Srinivas
The use of organosulfur compounds in steam cracking furnaces to produce ethylene and propylene is a universal practice to essentially prevent carbon monoxide (CO) and minimize coke formation. While there is agreement that this decreases the level of CO in the product gas, there is seemingly...

What Are We Going to Do with All This Natural Gas?” –

Mar 13, 2011
Sam Thomas
The success in Shale and other unconventional formations has dramatically expanded the N. American Natural Gas reserves and promises to also do so in many other parts of the world. New LNG liquefaction capacity in the Middle East and Asia along with additional large scale capacity from Australia...

New Flare System VOC Regulations & Reduction Control Options

Mar 13, 2011
Keith Wade
As this abstract is written, there will be flare system emission testing in a controlled environment underway that will likely pave the way for new VOC control measures on all flare systems in the US. The TCEQ (Texas Commission on Environmental Quality) sponsored testing held in Q4 2010, will...

Fundamentals of Alarm Management

Mar 13, 2011
Peter G. Herena
When the information era began thirty years ago, the focus for the refinery control specialist was placing as much data as possible into the hands of engineers and operators. The philosophy remained prevalent though the volume of transferred data leaped by orders of magnitude every decade...

Green House Gas Reporting In the Ethylene Manufacturing Sector

Mar 13, 2011
Valerie Barth
The Greenhouse Gas (GHG) Mandatory Reporting rule (MRR), codified in Part 98 of Title 40 of the Code of Federal Regulations, requires numerous manufacturing sectors including ethylene manufacturing plants in the U.S. to report actual GHG emissions from applicable facilities starting from reporting...

Design, Installation, and Monitoring of ID Fans for Ethylene Furnaces

Mar 13, 2011
Neal D. Boyd
Reliable operation of induced-draft fans on ethylene furnaces is critical to maintaining plant output capacity. Achieving this requires close attention to numerous issues during specification, design, installation, and monitoring in operation. This paper will examine recommended practice pertaining...

Compressor Train Performance - Evaluation and Monitoring (Part 1)

Mar 13, 2011
Satoshi Hata
Utilization of Equipment Health Management system tools has allowed end users to monitor, protect and manage the critical rotating machinery in an Ethylene Plant. The systematic monitoring and evaluation of turbomachinery is an important diagnostic tool in the execution of a long-term maintenance...

Confusion and Anxiety: The Very Latest on the Re-Revised Ozone Standard

Mar 13, 2011
Steven Ramsey
In May 2008, the EPA established new 8-hour primary and secondary ozone standards equal to 0.075 ppm. This represented a significant tightening over the previous 0.08 ppm 8-hour standard. However, a little more than a year later, in September 2009, EPA announced that it was going to reconsider the...

Processing Heavy Crudes In Existing Refineries

Mar 13, 2011
Kevin Turini
Increasing amounts of heavy crudes are being produced, particularly in Canada and South America. The discount prices for these crudes, relative to light sweet crudes, make them attractive for refiners that can process them, particularly if they have a geographic advantage relative to the crude...

Centrifugal Process Compressors - the Basics of Performance and Rerate

Mar 13, 2011
Colman de Jong
This work provides a brief overview of the thermodynamics of centrifugal compressor performance. A discussion of what terms are used to describe compressor performance, how is performance calculated and predicted, how the fan laws can be used to predict compressor performance, and how is this...

Compressor Train Performance - Evaluation and Monitoring (Part 2)

Mar 13, 2011
Stephen Plaisance
Utilization of Equipment Health Management system tools has allowed end users to monitor, protect and manage the critical rotating machinery in an Ethylene Plant. This paper will present an equipment health management system architecture, hardware and software components that provide performance...

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