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Title: SNOX demonstration project: Volume 1, Public design. Final report

Abstract

The SNOX process, developed by Haldor Topsoe A/S and demonstrated and marketed in North America by ABB Environmental Systems (ABBES), is an innovative process which removes both sulfur dioxide and nitrogen oxides from power plant flue gases. Sulfur dioxide is recovered as high purity, concentrated sulfuric acid and nitrogen oxides are converted to nitrogen gas and water vapor; no additional waste streams are produced. As part of the Clean Coal Technology Program, this project was demonstrated under joint sponsorship from the US Department of Energy, Ohio Coal Development Office, ABBES, Snamprogetti, and Ohio Edison. The project objective was to demonstrate the SO{sub 2}/NO{sub x} reduction efficiencies of the SNOX process on an electric power plant firing high-sulfur Ohio Coal. A 35-MWe demonstration was conducted on a 108-MWe unit, Ohio Edison`s Niles Plant Unit 2, in Trumbull County, Ohio. The $31 million project began site preparation in November 1990 and commenced treating flue gas in March of 1992. Testing at the site concluded in December of 1994. This report presents a description of the technology and design criteria for the demonstration plant including modifications and additions to the Ohio Edison Niles Station Unit 2. Pertinent drawings and a complete list ofmore » drawings are provided for information and reference. In addition to design information, cost data is provided for the design and construction of the demonstration plant; and cost estimates are provided for startup and operating expenses of the demonstration unit. The influence of commercial site specific conditions on the design and economics of the technology are also discussed.« less

Publication Date:
Research Org.:
ASEA Brown Boveri Environmental Systems, Knoxville, TN (United States)
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
366955
Report Number(s):
DOE/PC/89655-T21
ON: DE96050312
DOE Contract Number:
FC22-90PC89655
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: Jul 1996
Country of Publication:
United States
Language:
English
Subject:
01 COAL, LIGNITE, AND PEAT; 20 FOSSIL-FUELED POWER PLANTS; 54 ENVIRONMENTAL SCIENCES; FLUE GAS; DESULFURIZATION; DENITRIFICATION; COMBINED SOXNOX PROCESSES; DEMONSTRATION PROGRAMS; PROGRESS REPORT; EXPERIMENTAL DATA; FLOWSHEETS; SULFUR DIOXIDE; NITROGEN OXIDES; REMOVAL; SULFURIC ACID; NITROGEN; MATERIALS RECOVERY; COST

Citation Formats

NONE. SNOX demonstration project: Volume 1, Public design. Final report. United States: N. p., 1996. Web. doi:10.2172/366955.
NONE. SNOX demonstration project: Volume 1, Public design. Final report. United States. doi:10.2172/366955.
NONE. 1996. "SNOX demonstration project: Volume 1, Public design. Final report". United States. doi:10.2172/366955. https://www.osti.gov/servlets/purl/366955.
@article{osti_366955,
title = {SNOX demonstration project: Volume 1, Public design. Final report},
author = {NONE},
abstractNote = {The SNOX process, developed by Haldor Topsoe A/S and demonstrated and marketed in North America by ABB Environmental Systems (ABBES), is an innovative process which removes both sulfur dioxide and nitrogen oxides from power plant flue gases. Sulfur dioxide is recovered as high purity, concentrated sulfuric acid and nitrogen oxides are converted to nitrogen gas and water vapor; no additional waste streams are produced. As part of the Clean Coal Technology Program, this project was demonstrated under joint sponsorship from the US Department of Energy, Ohio Coal Development Office, ABBES, Snamprogetti, and Ohio Edison. The project objective was to demonstrate the SO{sub 2}/NO{sub x} reduction efficiencies of the SNOX process on an electric power plant firing high-sulfur Ohio Coal. A 35-MWe demonstration was conducted on a 108-MWe unit, Ohio Edison`s Niles Plant Unit 2, in Trumbull County, Ohio. The $31 million project began site preparation in November 1990 and commenced treating flue gas in March of 1992. Testing at the site concluded in December of 1994. This report presents a description of the technology and design criteria for the demonstration plant including modifications and additions to the Ohio Edison Niles Station Unit 2. Pertinent drawings and a complete list of drawings are provided for information and reference. In addition to design information, cost data is provided for the design and construction of the demonstration plant; and cost estimates are provided for startup and operating expenses of the demonstration unit. The influence of commercial site specific conditions on the design and economics of the technology are also discussed.},
doi = {10.2172/366955},
journal = {},
number = ,
volume = ,
place = {United States},
year = 1996,
month = 7
}

Technical Report:

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  • The SNOX process, developed by Haldor Topsoe A/S and demonstrated and marketed in North America by ABB Environmental Systems (ABBES), is an innovative process which removes both sulfur dioxide and nitrogen oxides from power plant flue gases. Sulfur dioxide is recovered as high purity, concentrated sulfuric acid and nitrogen oxides are converted to nitrogen gas and water vapor; no additional waste streams are produced. As part of the Clean Coal Technology Program, this project was demonstrated under joint sponsorship from the US Department of Energy, Ohio Coal Development Office, ABBES, Snamprogetti, and Ohio Edison. The project objective was to demonstrate the SO{sub 2}/NO{sub x} reduction efficiencies of the SNOX process on an electric power plant firing high-sulfur Ohio Coal. A 35-MWe demonstration has been conducted on a 108-MWe unit, Ohio Edison`s Niles Plant Unit 2, in Trumbull County, Ohio. Themore » $$31.4 million project began site preparation in November 1990 and commenced treating flue gas in March of 1992. A parametric test program has been completed. This report presents a description of the technology, results from the 33 month testing and operation phase, and information from a commercial scale economic evaluation. During the demonstration, the process met or exceeded its design goals of 95% SO{sub 2} removal, 90% NO{sub x} removal, and production of commercial grade (>93.2 wt.%) sulfuric acid. The plant was operated for approximately 8000 hours and produced more than 5600 tons of acid, which was purchased and distributed by a local supplier to end users. Projected economics for a 500 MWe commercial SNOX plant indicate a total capital requirement of 305 $$/kW, levelized incremental cost of power at 6.1 mills/kWh, 219 $$/ton of SO{sub 2} removed, and 198 $$/ton of SO{sub 2}+NO{sub x} removed (all at constant dollars).« less
  • This volume contains the following appendices: Log sheets of SNOX and boiler No. 2 operating conditions, July 18, 19, 21--24, 1993; auditing; sampling protocol; field sampling data sheets; QA/QC; analytical protocol; and uncertainty analysis.
  • This study was one of a group of assessments of toxic emissions from coal-fired power plants, conducted for DOE during 1993. The motivation for those assessments was the mandate in the 1990 Clean Air Act Amendments that a study be made of emissions of hazardous air pollutants (HAPs) from electric utilities. The report is organized in two volumes. Volume 1: Sampling describes the sampling effort conducted as the basis for this study; Results presents the concentration data on HAPs in the several power plant streams, and reports the results of evaluations and calculations conducted with those data; and Special Topicsmore » report on issues such as comparison of sampling methods and vapor/solid distributions of HAPs. Volume 2: Appendices include quality assurance/quality control results, uncertainty analysis for emission factors, and data sheets. This study involved measurements of a variety of substances in solid, liquid, and gaseous samples from input, output, and process streams at the Innovative Clean Coal Technology Demonstration (ICCT) of the Wet Sulfuric Acid-Selective Catalytic Reduction (SNOX) process. The SNOX demonstration is being conducted at Ohio Edison`s Niles Boiler No. 2 which uses cyclone burners to burn bituminous coal. A 35 megawatt slipstream of flue gas from the boiler is used to demonstrate SNOX. The substances measured at the SNOX process were the following: 1. Five major and 16 trace elements, including mercury, chromium, cadmium, lead, selenium, arsenic, beryllium, and nickel; 2. Acids and corresponding anions (HCl, HF, chloride, fluoride, phosphate, sulfate); 3. Ammonia and cyanide; 4. Elemental carbon; 5. Radionuclides; 6. Volatile organic compounds (VOC); 7. Semi-volatile compounds (SVOC) including polynuclear aromatic hydrocarbons (PAH); and 8. Aldehydes.« less
  • This report discusses the demonstration of LIFAC sorbent injection technology at Richmond Power and Light`s (RP&L) Whitewater Valley Unit No. 2 under the auspices of the U.S. Department of Energy`s (DOE) Clean Coal Technology Program. LIFAC is a sorbent injection technology capable of removing 75 to 85 percent of a power plant`s SO{sub 2} emissions using limestone at calcium to sulfur molar ratios of between 2 and 2.5. The site of the demonstration is a coal-fired electric utility power plant located in Richmond, Indiana. The project is being conducted by LIFAC North American (LIFAC NA), a joint venture partnership ofmore » Tampella Power Corporation and ICF Kaiser Engineers, in cooperation with DOE, RP&L, and several other organizations including the Electric Power Research Institute (EPRI), the State of Indiana, and Black Beauty Coal Company. The purpose of Final Report Volume 1: Public Design is to consolidate, for public use, all design and cost information regarding the LIFAC Desulfurization Facility at the completion of construction and startup.« less