Refining and End Use Study of Coal Liquids. Page: 3 of 21
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Introduction and Summary
This report is Bechtel'sfifteenthquarterly technical progress report and covers the period dfpril 1, 1997
through June 30, 1997
BechtelNational Inc, with Southwest Research Institute, Amoco Oil R&D, and the M.W. Kellogg Co. as
subcontractors, initiated a study on November 1, 1993, for the U.S. Department of Energy's (DOE's)
Federal Energy Technology Center (PETC) to determine the most cost effective and suitable combination
of existing petroleum refinery processes needed to make specification transportation fuels or blending
stocks, from direct and indirect coal liquefaction product liquids. This 47-month study, with an approved
budget of $4.4 million dollars, is being performed under DOE Contract Number DE-AC22-93PC91029.
A key objective is to determine the most desirable ways of integrating coal liquefaction liquids into existing
petroleum refineries to produce transportation fuels meeting current and future, e.g. year 2000, Clean Air
Act Amendment (CAAA) standards. An integral part of the above objectives is to test the fuels or blends
produced and compare them with established ASTM fuels. The comparison will include engine tests to
ascertain compliance of the fuels produced with CAAA and other applicable fuel quality and performance
The final part of the project includes a detailed economic evaluation of the cost of processing the coal
liquids to their optimum products. The cost analyses is for the incremental processing cost; in other words,
the feed is priced at zero dollars. The study reflects costs for operations using state of the art refinery
technology; no capital costs for building new refineries is considered. Some modifications to the existing
refinery may be required. Economy of scale dictates the minimum amount of feedstock that should be
To enhance management of the study, the work has been divided into two parts, the Basic Program and
The objectives of the Basic Program are to:
" Characterize the coal liquids
" Develop an optimized refinery configuration for processing indirect and direct coal liquids
" Develop a LP refinery model with the Process Industry Modeling System (PIMS) software.
The work has been divided into six tasks.
Task 1 - Development of a detailed project management plan for the Basic Program
Task 2 - Characterization of four coal liquid feeds supplied by DOE
Task 3 - Optimization of refinery processing configurations by linear programming
Task 4 - Pilot plant analysis of critical refinery process units to determine yield, product quality and
cost assumptions. Petroleum cuts, neat coal liquids, and coal liquids/petroleum blends will be
processed through the following process units: reforming, naphtha and distillate hydrotreating,
catalytic cracking and hydrocracking.
" Task 5 -Development of the project management plan for Option 1
Refining and End Use Study of Coal Liquids
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Refining and End Use Study of Coal Liquids., report, December 31, 1997; United States. (digital.library.unt.edu/ark:/67531/metadc691940/m1/3/: accessed January 20, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.