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Chem Economics: ACC Releases Portfolio of Specialty Chemicals Indexes

September
2012
Chem Economics
T. Kevin Swift
The American Chemistry Council (ACC) has launched a new set of indexes covering nearly 30 segments of the U.S. specialty chemicals market. (The first, which dealt with plastic additives, was discussed in the July issue, p. 13.) This is the first set...

Prevention of CUI: “ Roadmap to Managing CUI ”

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

Exploitation of Low-Grade Heat In Site Utility Systems

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

Fundamentals of Alarm Management

AIChE Spring Meeting and Global Congress on Process Safety
Mar 13, 2011
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...

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

AIChE Spring Meeting and Global Congress on Process Safety
Mar 13, 2011
The use of organosulfur compounds in steam cracking furnaces to produce ethylene and propylene is a universal practice to essentially prevent carbon...

Fouling Mitigation of Quench Tower System

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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”

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

Options for Mercury Removal in Ethylene Plants

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

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...

Technologies for Enhancing Refinery Gas Value

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

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...

Furnace Safe Park DCS Tool

AIChE Spring Meeting and Global Congress on Process Safety
Mar 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

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

Fuel Performance Parameters for Marine Engines

AIChE Spring Meeting and Global Congress on Process Safety
Mar 23, 2010
The regulations for sulfur reduction in marine fuels are impacting the whole spectrum beginning from the production of the fuel in the refineries to...

Feedstock Contaminants: A Case Study

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

Integrated Refinery Cracker, the New Paradigm

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

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 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...
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