Petrochemicals

Exploitation of Low-Grade Heat In Site Utility Systems

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
The site utility system provides the heating, cooling load along with power production for the processes on the total site. Low-grade heat is...

Novel Additives to Improve Resid Quality

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
With an increasing focus on resid upgrade and bottom of the barrel conversion over the years due to economic advantages, refiners are increasingly...

Prevention of CUI: “ Roadmap to Managing CUI ”

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
This paper details CUI cases as well as the means for preventing, finding and repairing them. Approaches and procedures for managing CUI are...

New Continuous Coking Process

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
NEW CONTINUOUS COKING PROCESS A new coking process can accept resid feed from the conventional resid heater in a coking plant and continuously...

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

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 13, 2011
The success in Shale and other unconventional formations has dramatically expanded the N. American Natural Gas reserves and promises to also do so in...

Processing Heavy Crudes In Existing Refineries

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 13, 2011
Increasing amounts of heavy crudes are being produced, particularly in Canada and South America. The discount prices for these crudes, relative to...

Fouling Mitigation of Quench Tower System

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 24, 2010
Gas cracking plants are especially sensitive to fouling in the quench water section. One main fouling mechanism in the quench tower and in the...

“Compression System Check Valve Failure Hazards”

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 24, 2010
Catastrophic equipment failure due to overpressure can potentially occur in the event of compression system discharge, interstage, and/or suction...

Technologies for Enhancing Refinery Gas Value

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
The trend of processing heavy and sour crude is resulting in 'fuel long' refineries which seek to export energy in the form of refinery fuel gas or...

Safety Incidents in Ethylene Plants

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
Many similar safety incidents occur in ethylene plants throughout the world. While these should be well known to plant operators, our paper lists...

Current Methods of Measurement of NO, NO2 and NH3

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
The measurements of NO, NO2 and NH3 have been a challenge for analytical chemists for many years. This paper will deal primarily with new advances in...

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...

Full Potential Conversion of Vacuum Resids

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
Present vacuum resid conversion processes, either coking or hydroconversion, are far from achieving their maximum conversion. With the remaining...

Integrated Refinery Cracker, the New Paradigm

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
The new trends in crackers are higher capacity and heavier feedstock. This makes the integration between refineries and crackers significantly more...

Feedstock Contaminants: A Case Study

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
An advanced characterization program was designed and implemented to identify the chemical nature of contaminants present in the feed to a flexi-...

Options for Mercury Removal in Ethylene Plants

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
Ethylene producers have faced the challenge of feedstock contaminants for decades. However, with current industry transitions and surplus capacity,...

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...

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...

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...

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,...

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...

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 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...

Pages

Subscribe to Petrochemicals