Petrochemicals

Fouling by Asphaltenes After and During Conversion

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
During resid conversion processes, such as visbreaking or hydroconversion, more saturated pendant groups are cracked off asphaltenes, making them...

Furnace Safe Park DCS Tool

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
Properly managing the shutdown or “safe parking” of multiple steam-cracking furnaces during a plant-wide upset can be challenging. Alarm flood and...

Advances in Renewable Jet Technology

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Use of aviation fuel currently corresponds to 2-3% of the total fossil fuels used worldwide, or 13% of fossil fuel used in transportation fuel...

Revamp Fired Heater to Maximize Thermal Efficiency

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Fired heaters are in the refining and petroleum industry. In the current scenario, it is important to maximize fired heater efficiency to the maximum...

Unusual Corrosion Failures of Transfer Line Exchangers

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
This paper describes two case histories of corrosion failures. The first case history describes metal dusting of the tubes and tubesheet from the...

Bio-Refinery for the Production of Ethylene Derivatives

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Downstream products of petroleum have been the main source for feedstocks for most of the petrochemicals produced over the last 90 years. However,...

Improved Energy Efficiency in CDUs Through Fouling Control

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Crude oil distillation accounts for a large fraction of the energy used in oil refining. Crude oil contains a variety of substances which tend to...

Enterprise Inventory Management in Volatile Markets

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Hydrocarbon and other commodity prices are increasingly volatile due to factors which include speculation, reduced inventory and a lack of spare...

Cracked Gas Dryer Tutorial (Part 1)

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
This tutorial will begin with a brief introduction to molecular sieves followed by a description of the process, covering overall operation of the...

Loop Tuning Basics

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
There are many methods to tune PID controllers. This presentation provides a tutorial on tuning PID process controllers using Internal Model Control...

Dual Function Valves for Ethylene Transfer Line Applications

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Economic forces continue to push the capacity of new grassroots crackers higher, and the capacity of cracking furnaces rises ever higher because of...

New Type of Cracking Furnace Radiant Coil Design

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
This paper presents the economical benefits for a new radiant coil design which improves the performance of the thermal cracking furnace. The main...

Cracked Gas Dryer Survey

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
An electronic internet survey was distributed to United States and European ethylene producers. The goal of the survey was to document vessel design...

Cracked Gas Dryer Tutorial (Part 2)

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
This tutorial will begin with a brief introduction to molecular sieves followed by a description of the process, covering overall operation of the...

Variability, Inventory Uncertainty and Supply Chains

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
This session will develop a fundamental understanding of how cycle time variation in stages of a supply chain propagates into measures of overall...

Does Your SIS System Still Comply with Your LOPA and SRS?

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
It is often assumed that a SIS system forever meets all the SIS requirements of the project Layers of Protection Analysis (LOPA) and Safety System...

Advanced Materials for Radiant Coils

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Since radiant coils operate under severe conditions of carburization, oxidation and erosion tube material selection plays an important role. Schmidt...

Cracked Gas Dryer System Debottlenecking Concepts

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Of prime importance in the ethylene plant process is the Cracked Gas (CG) Dehydration System. CG Dryer operation is a key factor to the achievement...

Oxygen/Combustible Safeguards in Low Nox Fired Heaters

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Refineries have been installing low NOx equipment on their fired heaters in response to tighter environmental regulation. Low NOx burners minimize...

Lessons Learned with Different Transfer Line Valve Designs

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Olefins cracking furnace Transfer Line Valves (TLV's) operate in very demanding service handling high temperature, fouling conditions, high tightness...

Deployment of ZeaChem's Sustainable Biorefinery

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Increased emphasis is being placed on renewable, sustainable, domestic forms of energy, including transportation fuels, at national, state and local...

Advanced Catalysts for C2-C4 Selective Hydrogenation

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Availability of pure olefin monomers is a key step in the production of polymers. These olefins are mainly produced by steam crackers. KataLeuna...

Successful Energy Stewardship

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
An energy stewardship program, aimed at driving energy efficiencies from no-cost operational improvements has been implemented with considerable...

Reliable Retention of Molecular Sieve Beds

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Reliable operation of an Olefin gas/liquid dehydrator requires careful attention to the integrity of the grid supporting the molecular sieve...

Turbomachinery for Mega-Ethylene Plants

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
Ethylene producers continue to search for ways to improve capital expenditure versus payback ratio and to reduce installation and maintenance costs...

Process Gas Compressor Fouling & Washing Mitigation

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
Part A: The ethylene industry has been affected by the economic downturn. Plants have operated at low rates and have fed lighter feeds when possible...

KPI Controls for Major Refinery Units

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
Advanced Process Control (APC) solutions are recognized as a process industry best practice and proven investment opportunity in many industries,...

New Technology Enhances Model Predictive Control

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
The standard way of testing a process causes the configuration and tuning of the PID control system for the process to be embedded in the model...

Progression of GHG Emissions Benchmarking

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
The efforts to measure, regulate, and control the emissions of greenhouse gases (GHG) by the refining and petrochemicals industries have been in...

Cracked Gas Compressor / Turbine

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
The cracked gas compressor (CGC) is still the most critical unit in the entire ethylene production facility. Its energy demand and potential plant...

Carbon Capture and Storage - Can CCS Be a Viable Business?

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
Carbon capture and storage (CCS) has been characterized as the technology that can jump start mitigation of greenhouse gases until new, less carbon...

Magnetic Bearings in Turboexpander Applications

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
Magnetic bearings in turboexpander have become the standard for the installation in gas processing and ethylene plants; there are areas of the design...

CO2 Footprinting in the Chemical Industry

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
This paper provides a brief global perspective to the GHG issue as it impacts the petrochemical industry and then focuses on the factors of...

Environmental Law and Regulation 101

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
This presentation will provide a summary of each of the primary environmental regulatory programs, including air, water, waste and emergency planning...

Maintaining MPC Benefits for Years: No Myth

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
MPC software companies and their customers can sustain and increase the benefits from MPC solutions by forming effective maintenance strategies. This...

New Technologies in Refining

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2009
In today’s competitive environment, development and implementation of new refining technology can differentiate one refining company from another...

LNG Safety - II

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2009
This session presents advancements in LNG safety in LNG baseload and receiving terminals, LNG ships and other related areas. LNG Vapor Dispersion...

LNG Safety - I

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2009
This session presents advancements in LNG safety in LNG baseload and receiving terminals, LNG ships and other related areas. Please Note : LNG Safety...

Ethylene Plant Operations Paper Session

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2009
This session is part of the (2009) 21st Ethylene Producers Conference, which is the premier annual event where those involved in the industry can...

LNG Equipment - II

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 28, 2009
This session presents advancements in LNG equipment in heat exchangers, pumps, compressors, tubines, electrical systems, control, etc. Please Note :...

LNG Equipment - I

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 28, 2009
This session presents advancements in LNG equipment in heat exchangers, pumps, compressors, tubines, electrical systems, control, etc. Please Note :...

Ethylene Plant Maintenance and Reliability Session

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 28, 2009
Fluctuating product demand, along with feedstock and energy prices, has resulted in a challenging environment for operators of Olefin producing...

The Ubiquitous Hydrocyclone Separator: Theory and Practice

Archived Webinar
Feb 10, 2009
The hydrocyclone separator, which was invented in 1891 (see E. Bretney, “Water Purifier”, U.S. Patent 453,105) is widely used in process engineering as a classifier, a clarifier, or a thickener. The continuous phase is a liquid and the dispersed phase may be a solid, a gas, or an immiscible fluid...

100 Years of Petroleum Refining Catalysts

Conference Presentation
AIChE Annual Meeting
November 18, 2008
100 years ago in 1908, Henry Ford introduced the Model T Ford and ushered in the age when cars were affordable to middle class Americans. At that...

100 Years of Advancement in Fuels and Petrochemicals

Conference Presentation
AIChE Annual Meeting
November 18, 2008
The technology of petroleum refining will be compared as it was in 1908 with it is in 2008, a period of time that can be designated as the “petroleum...

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