AIChE

Safety Incidents in Ethylene Plants

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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...

Fouling by Asphaltenes After and During Conversion

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

Advances in Renewable Jet Technology

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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...

Reliable Retention of Molecular Sieve Beds

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

Revamp Fired Heater to Maximize Thermal Efficiency

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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)

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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

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

Cracked Gas Dryer Survey

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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...

New Type of Cracking Furnace Radiant Coil Design

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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...

Flare Minimization at LNG Receiving Terminal

AIChE Spring Meeting and Global Congress on Process Safety
Mar 22, 2010
The LNG (liquefied natural gas) receiving terminal is an important sector of the entire LNG value chain. The handling of boil-off gas (BOG) during...

Advances in LNG Expander Technology

AIChE Spring Meeting and Global Congress on Process Safety
Mar 22, 2010
The first use of cryogenic liquefied gas expanders dates back to the late nineties. The proven advantages of incorporating liquid expanders in the...

Cracked Gas Dryer Tutorial (Part 2)

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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...

Advanced Materials for Radiant Coils

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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...

Energy and Resource Efficiency Plenary

AIChE Spring Meeting and Global Congress on Process Safety
Mar 22, 2010
Amory Lovins leads a discussion of the 10xE concepts for reducing energy use by a factor of 10. Following is the announcement of the award recipients...

Timeline of Sabine Pass LNG Terminal

AIChE Spring Meeting and Global Congress on Process Safety
Mar 22, 2010
This paper describes on a month by month basis the timeline of milestones accomplished in Conceptual design, Front End Engineering Design (FEED) both...

Deployment of ZeaChem's Sustainable Biorefinery

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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...

Maintaining MPC Benefits for Years: No Myth

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

Turbomachinery for Mega-Ethylene Plants

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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...

Energy Security and Affordability in the 21st Century

AIChE Spring Meeting and Global Congress on Process Safety
Mar 21, 2010
Hofmeister, former President of Shell Oil Company, and founder of the non-profit association, Citizens for Affordable Energy, tackles two of the most...

Magnetic Bearings in Turboexpander Applications

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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...
Subscribe to AIChE