Fossil Fuels

LNG Tank Top Fires

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 15, 2011
The regulatory requirements of 49 CFR 193, Liquefied Natural Gas Facilities: Federal Safety Standards, require thorough engineering reviews before...

Operational Inputs Into the Mechanical Integrity Program

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 15, 2011
A predictive mechanical integrity (MI) program is based on the following: * Damage mechanisms that affect process equipment. * Rate at which...

Process Automation During Refinery Unit Transitions

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 15, 2011
Process Automation ideas and technologies have been used sporadically for decades. However, in US refineries, automation technologies are still...

Mitigation of Preheat Fouling by Eliminating the Cause

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 15, 2011
Today, there is no excuse for not getting five years or more on the run length of refinery preheat exchangers without the need for cleaning. Among...

Advanced Hydrogen Management : More Than a Balancing Act

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 15, 2011
Modern high complexity refining landscape involves increasing proportion of “opportunity crude” processing and widened bottom-of-the-barrel...

Petroleum Resid Conversion: Opportunities and Limitations

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
In the conversion of vacuum resids one has the option to form coke as a byproduct or to devise conversion processes that prevent coke formation while...

Plasma Assisted De-NOx In Diesel Engine

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
Plasma assisted De-NOx systems in mobile application are introduced. In general, de-NOx process requires reductant for reducing catalyst. NH3(Urea)...

Study on Energy Consumption for Natural Gas Liquefaction

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
The main purpose of this work is to optimize natural gas liquefaction process by reducing energy consumption. At first, a rigorous simulation of...

Multi-Model MPC for a Complex pH Neutralization Process

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
Control of feed pH control is an important task in chemical industries, wastewater treatment, polymerization reactions, fatty acid production and...

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...

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...

The Role of Heat Exchangers In Post-Combustion CO2 Capture

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
The role of heat exchangers in post-combustion CO2 capture Warren Ziegler Motivation: The overall energy penalty for post-combustion carbon capture...

Handling LPG Components In LNG Plants

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
Natural Gas Liquid (NGL) recovery is an inherent part of most Liquefied Natural Gas (LNG) production trains. The requirement serves many purposes,...

Efficient Power Recovery In LNG Regasification Plants

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
Regasification plants vaporize liquefied natural gas using mainly high-pressure LNG pumps and heat exchangers. The vaporization pressure corresponds...

CO2 Tolerant N2 Rejection From Natural Gas

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 13, 2011
Associated gas from the oil industry has been flared for decades. The prevailing attitude towards CO 2 emissions and other pollutants requires smart...

Mercury Removal From Gaseous and Liquid Hydrocarbons

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 13, 2011
Mercury is present in many of the world’s oil & gas fields and its removal and capture is important for a number of reasons: * Process plants...

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...

Designing for an LNG Loading Arm Failure

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 24, 2010
Over the last few decades, LNG has vaulted onto the world stage as a viable candidate for future energy needs. Scores of studies have been done to...

Stripper Configurations for CO2 Capture by Aqueous Amines

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
A monumental task for improving the feasibility of carbon capture from the flue gas of coal-fired power plants is reducing the total energy cost. A...

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...

Uncertainties in Modeling LNG Vapor Dispersion with CFD Codes

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
Computational fluid dynamics (CFD) models have been widely proposed and developed to predict LNG vapor dispersion behavior and to determine safe...

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...

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...

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...

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...

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