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Flow of Solids in Bins, Hoppers, Chutes and Feeders

Public (classroom) Course
Gain a strong, fundamental understanding of bulk solids and bulk solid handling equipment and their behavior, along with the general principles and practical applications of solids flow.

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...

Using Catalytic Nanoparticles to Clean Water

Archived Webinar
Apr 15, 2010
In this talk, I will describe our work in improving the feasibility of these NP catalysts for groundwater remediation and in understanding how the...

Silencing Deethanizer Reboiler Condensate Drum Hydraulic Hammer

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, March 24, 2010 - 8:00pm
A deethanizer reboiler condensate drum experienced hydraulic hammering when the reboiler operated at lower steam loads and when the column loads were...

War Strategies to Guarantee Peace Time in a Primary Fractionator

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, March 24, 2010 - 8:00pm
Braskem is a Brazilian petrochemicals manufacturer, producing monomers, resins and chemicals specialties. Its ethylene capacity is 2,500 Kty,...

“Compression System Check Valve Failure Hazards”

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, March 24, 2010 - 8:00pm
Catastrophic equipment failure due to overpressure can potentially occur in the event of compression system discharge, interstage, and/or suction...

Impacts to the Ethylene Supply Chain from a Hurricane Disruption

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, March 24, 2010 - 8:00pm
Analysis of chemical supply chains is an inherently complex task, given the dependence of these supply chains on multiple infrastructure systems (e.g...

Fouling Mitigation of Quench Tower System

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, March 24, 2010 - 8:00pm
Gas cracking plants are especially sensitive to fouling in the quench water section. One main fouling mechanism in the quench tower and in the...

Fouling by Asphaltenes After and During Conversion

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
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
Tuesday, March 23, 2010 - 8:00pm
Properly managing the shutdown or “safe parking” of multiple steam-cracking furnaces during a plant-wide upset can be challenging. Alarm flood and...

Revamp Your Furnace – Enhance Technical & Financial Performance

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
Furnace revamps provide opportunities to enhance new technologies, add feedstock flexibility, increase production capacity, improve efficiency and...

Full Potential Conversion of Vacuum Resids

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
Present vacuum resid conversion processes, either coking or hydroconversion, are far from achieving their maximum conversion. With the remaining...

Impact of MARPOL Annex VI Regulations for Marine Fuels Supply

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
The International Maritime Organization's (IMO) has adopted new emissions standards, MARPOL Annex VI, for large ships and their fuels in order to...

Fuel Performance Parameters for Marine Engines

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
The regulations for sulfur reduction in marine fuels are impacting the whole spectrum beginning from the production of the fuel in the refineries to...

Integrated Refinery Cracker, the New Paradigm

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
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
Tuesday, March 23, 2010 - 8:00pm
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
Tuesday, March 23, 2010 - 8:00pm
Ethylene producers have faced the challenge of feedstock contaminants for decades. However, with current industry transitions and surplus capacity,...

Ultra Low NOx Burner Performance in an Ethylene Cracking Furnace

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
In recent years, the global tightening of emissions standards has created numerous challenges for the owners and operators of ethylene cracking...

Technologies for Enhancing Refinery Gas Value

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
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
Tuesday, March 23, 2010 - 8:00pm
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
Tuesday, March 23, 2010 - 8:00pm
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...

Oxygen/Combustible Safeguards in Low Nox Fired Heaters

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
Refineries have been installing low NOx equipment on their fired heaters in response to tighter environmental regulation. Low NOx burners minimize...

Advanced Catalysts for C2-C4 Selective Hydrogenation

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
Availability of pure olefin monomers is a key step in the production of polymers. These olefins are mainly produced by steam crackers. KataLeuna...

Deployment of ZeaChem's Sustainable Biorefinery

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
Increased emphasis is being placed on renewable, sustainable, domestic forms of energy, including transportation fuels, at national, state and local...

Successful Energy Stewardship

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
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
Monday, March 22, 2010 - 8:00pm
Reliable operation of an Olefin gas/liquid dehydrator requires careful attention to the integrity of the grid supporting the molecular sieve...

Unusual Corrosion Failures of Transfer Line Exchangers

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
This paper describes two case histories of corrosion failures. The first case history describes metal dusting of the tubes and tubesheet from the...

Advances in Renewable Jet Technology

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
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...

Bio-Refinery for the Production of Ethylene Derivatives

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
Downstream products of petroleum have been the main source for feedstocks for most of the petrochemicals produced over the last 90 years. However,...

Revamp Fired Heater to Maximize Thermal Efficiency

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
Fired heaters are in the refining and petroleum industry. In the current scenario, it is important to maximize fired heater efficiency to the maximum...

An Operator Training Simulator (OTS) for a SUPERFLEX(TM) Unit

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
An Operator Training Simulator (OTS) of a new SUPERFLEXTM unit has been designed and built to provide highly realistic process and operations...

Overcoming Logistical Challenges with Collaborative Technologies

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
All refiners—and manufacturers in general—face daunting logistical challenges including supply chain, changing product specifications, carbon...

Cracked Gas Dryer Tutorial (Part 1)

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
This tutorial will begin with a brief introduction to molecular sieves followed by a description of the process, covering overall operation of the...

Improved Energy Efficiency in CDUs Through Fouling Control

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
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...

Dual Function Valves for Ethylene Transfer Line Applications

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
Economic forces continue to push the capacity of new grassroots crackers higher, and the capacity of cracking furnaces rises ever higher because of...

Enterprise Inventory Management in Volatile Markets

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
Hydrocarbon and other commodity prices are increasingly volatile due to factors which include speculation, reduced inventory and a lack of spare...

New Type of Cracking Furnace Radiant Coil Design

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
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
Monday, March 22, 2010 - 8:00pm
An electronic internet survey was distributed to United States and European ethylene producers. The goal of the survey was to document vessel design...

Loop Tuning Basics

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
There are many methods to tune PID controllers. This presentation provides a tutorial on tuning PID process controllers using Internal Model Control...
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