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A Novel Carbon Based Process For Flue Gas Cleanup Fifth Quarterly Technical Progress Report July 1 September 30 1992
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Book Synopsis A Novel Carbon-based Process for Flue Gas Cleanup. Fifth Quarterly Technical Progress Report, July 1--September 30, 1992 by :
Download or read book A Novel Carbon-based Process for Flue Gas Cleanup. Fifth Quarterly Technical Progress Report, July 1--September 30, 1992 written by and published by . This book was released on 1992 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this project is to demonstrate the preliminary technical and economic feasibility of a novel carbon-based process for removal of at least 95% S02 and at least 75 % NO(subscript x), from coal combustion flue gas. In the process, flue gas leaving the electrostatic precipitator (ESP) is passed through a trickle bed of activated carbon catalyst employing a periodic flush of low strength sulfuric acid. The S02 is oxidized to S03 and removed as medium strength sulfuric acid. The S02-free flue gas is then mixed with NH3, and the NO(subscript x) in the gas is subjected to selective catalytic reduction (SCR) to N2 over a fixed bed of activated carbon catalyst. In the previous four quarters, a detailed project management plan was prepared describing the experimental setup, work plan, and test plan. The experimental system was completed for SO2 conversion at Waterloo and for NO(subscript x) conversion at Research Triangle Institute. Shakedown experiments were completed. The NO(subscript x) removal performance of two additional modified carbon catalysts (MCCII and MCCIII) was studied. MCCII showed NO2 removal efficiency which was similar to that observed for MCCI. However, MCCIII was considerably less active for NO(subscript x) removal. In the present quarter, further tests of MCCI were performed for SO2 removal with NO in the feed gas, except the reactor was operated at 130°C (instead of 80°C during previous tests). Tests were also performed with MCCII for NO removal with nominally 100 ppm SO2 in the feed gas.
Book Synopsis A Novel Carbon-based Process for Flue Gas Cleanup. Fourth Quarterly Technical Progress Report, April 1--June 30, 1992 by :
Download or read book A Novel Carbon-based Process for Flue Gas Cleanup. Fourth Quarterly Technical Progress Report, April 1--June 30, 1992 written by and published by . This book was released on 1992 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this project is to demonstrate the preliminary technical and economic feasibility of a novel carbon-based process for removal of at least 95% SO2 and at least 75% NO(subscript x) from coal combustion flue gas. In the process, flue gas leaving the electrostatic precipitator (ESP) is passed through a trickle bed of activated carbon catalyst employing a periodic flush of low strength sulfuric acid. The SO2 is oxidized to SO3 and removed as medium strength sulfuric acid. The SO2-free flue gas is then mixed with NH3, and the NO(subscript x) in the gas is subjected to selective catalytic reduction (SCR) to N2 over a fixed bed of activated carbon catalyst. In the previous three quarters, a detailed project management plan was prepared describing the experimental setup, work plan, and test plan. The experimental system was completed for SO2 conversion at Waterloo and for NO(subscript x) conversion at RTI. Shakedown experiments were completed. In the present quarter, the NO(subscript x) removal performance of two additional modified carbon catalysts (MCCII and MCCIII) was studied. MCCII showed NO(subscript x) removal efficiency which was similar to that observed for MCCI. However, MCCI was considerably less active for NO(subscript x) removal. SO2 removal experiments with NO present in the feed gas were performed with MCCI. SO2 removal efficiency was consistently about 98% over each of 10 cycles and was very similar to that observed earlier with no NO present in the feed. Finally, a preliminary economic evaluation of the process was performed and a project review meeting was held. The economic evaluation showed that the Rn-Waterloo process was competitive with SCR/IFGD and other combined SO2/NO(subscript x), removal processes.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1995 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Novel Carbon-based Process for Flue Gas Cleanup by : S. K. Gangwal
Download or read book A Novel Carbon-based Process for Flue Gas Cleanup written by S. K. Gangwal and published by . This book was released on 1991 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Novel Carbon-based Process for Flue Gas Cleanup. Third Quarterly Technical Progress Report, January 1--March 31, 1992 by :
Download or read book A Novel Carbon-based Process for Flue Gas Cleanup. Third Quarterly Technical Progress Report, January 1--March 31, 1992 written by and published by . This book was released on 1992 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this project is to demonstrate the preliminary technical and economic feasibility of a novel carbon-based process for removal of at least 95% SO2 and at least 75% NO(subscript x) coal combustion flue gas. In the process, flue gas leaving the electrostatic precipitator (ESP) is passed through a trickle bed of achieved carbon catalyst employing a periodic flush of low strength sulfuric acid. The SO2 is oxidized to SO3 and removed as medium strength sulfuric acid. The SO2-free flue gas is then mixed with NH3, and the NO(subscript x) in the gas is subjected to selective catalytic reduction (SCR) to N2 over a fixed bed of activated carbon catalyst. The experimental work is divided between Research Triangle Institute (RTI) and the University of Waterloo (Waterloo). RTI will conduct the NO(subscript x) removal studies, whereas Waterloo will conduct the SO2 removal studies. The ultimate goal of the project is to demonstrate that the process can be reduce the cost of electricity by 20% over conventional SCR/flue gas desulfurization (FGD) processes. In the present quarter, the continuous SO2 analyzer system at Waterloo was completed. The SO2 removal factorial experiments were begun Waterloo with the BPL carbon at 21°C. Also, SO2 removal was tested on two catalyst at RTI at 80°C. NO(subscript x) conversion was tested on a variety of catalysts at RTI. It was shown that the BPL carbon could remove over 95% SO2 at 21°C but would required several beds at space velocity in each bed of abut 1,500 scc/(cc·h) to reduce SO2 from 2,500 ppm to 100 ppm. A modified carbon catalyst tested at RTI showed 99% SO2 removal at 80°C at 1,400 scc/(cc·h). Also, it was possible to produce nearly 9 normal H2SO4 by periodic flushing of this catalyst. The modified carbon catalyst also demonstrated removal of more than 80% NO(subscript x). 7 refs., 7 figs., 4 tabs.
Book Synopsis A Novel Carbon-based Process for Flue Gas Cleanup. Second Quarterly Technical Progress Report, October 1, 1991--December 31, 1991 by :
Download or read book A Novel Carbon-based Process for Flue Gas Cleanup. Second Quarterly Technical Progress Report, October 1, 1991--December 31, 1991 written by and published by . This book was released on 1992 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this project is to demonstrate the preliminary technical and economic feasibility of a novel carbon-based process for removal of at least 95% SO2 and at least 75% NO(subscript x) from coal combustion flue gas. In the process, flue gas leaving the electrostatic precipitator (ESP) is passed through a trickle bed of activated carbon catalyst employing a periodic flush of low strength sulfuric acid. The SO2 is oxidized to SO3 and removed as medium strength sulfuric acid. The SO2-free flue gas is then mixed with NH3, and the NO(subscript x) in the gas is subjected to selective catalytic reduction (SCR) to N2 over a fixed-bed of activated carbon catalyst.
Book Synopsis A Novel Carbon-based Process for Flue Gas Cleanup. Seventh Quarterly Technical Progress Report, January 1--March 31, 1993 by :
Download or read book A Novel Carbon-based Process for Flue Gas Cleanup. Seventh Quarterly Technical Progress Report, January 1--March 31, 1993 written by and published by . This book was released on 1993 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this project is to demonstrate the preliminary technical and economic feasibility of a novel carbon-based process for removal of at least 95 % SO2, and at least 75 % NO(subscript x) from coal combustion flue gas. In the process, flue gas leaving the electrostatic precipitator (ESP) is passed through a trickle bed of activated carbon catalyst employing a periodic flush of low strength sulfuric acid. The SO2 is oxidized to SO3 and removed as medium strength sulfuric acid. The SO2-free flue gas is then mixed with NH3, and the NO(subscript x) in the gas is subjected to selective catalytic reduction (SCR) to N2 over a fixed bed of activated carbon catalyst. In the previous six quarters, detailed project plans were prepared and experimental systems were commissioned. The SO2 removal factorial experiments with BPL carbon at 21°C are well underway at Waterloo. A modified carbon catalyst (MCCI) showed up to 99% SO2 removal in the presence of NO(subscript x) over 10 multiple cycles at 80--130°C and 1400 scc/cc/h. Several catalysts were evaluated for NO(subscript x) removal also. Promising modified carbon catalysts (MCCI, II and III) were tested. Some of these catalysts showed the potentialfor over 80% NO(subscript x) removal at space velocities as high as 3000 scc/cc/h. Poisoning of NO(subscript x) removal efficiency with SO2 in the feed was also studied. With over 100 ppm SO2 in feed, NO(subscript x)removal efficiency remained steady for several hours. It declined from 79% removal to 66% removal over 24 hours. NO(subscript x) removal experiments were performed with 5 different materials and the SO2 removalactivity of 2 catalysts was tested.
Book Synopsis Flue Gas Desulfurization and Industrial Minerals by : M. Michael Miller
Download or read book Flue Gas Desulfurization and Industrial Minerals written by M. Michael Miller and published by . This book was released on 1993 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contains 4,101 references on FGD [Flue Gas Desulfurization] ... primarily from 1982 through June 1993. Complements the "Flue Gas Desulfurization and Denitrification" bibliography published by the U.S. Dept. of Energy in Jan. 1985. References were located on the Energy, Science and Technology, Pollution Abstracts, and Environmental Bibliography databases. Primarily covers FGD and the use of industrial minerals in the desulfurization process or in by-product utilization and disposal. Emphasizes post-combustion removal of sulfur dioxide through processes such as in-duct injection and wet and dry scrubbing.
Book Synopsis A Novel Carbon-based Process for Flue Gas Cleanup by :
Download or read book A Novel Carbon-based Process for Flue Gas Cleanup written by and published by . This book was released on 1991 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this project is to demonstrate the preliminary technical and economic feasibility of a novel carbon-based process for removal of at least 95% SO2 and at least 75% NO(subscript x) from coal combustion flue gas. In the process, flue gas leaving the electrostatic precipitator (ESP) is passed through a trickle bed of activated carbon catalyst employing a periodic flush of low strength sulfuric acid. The SO2 is oxidized to SO3 and removed as medium strength sulfuric acid. The SO2-free flue gas is then mixed with NH3, and the NO(subscript x) in the gas is subjected to selective catalytic reduction (SCR) to N2 over a fixed-bed of activated carbon catalyst. The project is being carried over 14 months (June 4, 1991 to July 31, 1992). The experimental work is divided between Research Triangle Institute (RTI) and the University of Waterloo (Waterloo). RTI will conduct the NO(subscript x) removal studies, whereas Waterloo will conduct the SO2 removal studies. The ultimate goal of the project is to demonstrate that the process can reduce the cost of electricity by 20% over conventional SCR/flue gas desulfurization (FGD) processes. In the present quarter, a detailed project management plan was prepared describing the experimental set-up, work plan and test plan. The experimental equipment is being constructed and is nearly complete with shakedown experiments scheduled to begin on or about November 1, 1991. Also, a paper was prepared and presented for the Seventh Annual Contractor's Conference. The first set of experiments will be completed in the next quarter. 7 refs., 5 figs., 4 tabs.
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1994 with total page 1190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1994 with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Novel Carbon-based Process for Flue-gas Cleanup. Final Report by :
Download or read book A Novel Carbon-based Process for Flue-gas Cleanup. Final Report written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A low-temperature process employing activated carbon-based catalysts and operating downstream of the electrostatic precipitator (ESP) was evaluated jointly by Research Triangle Institute (RTI) and the University of Waterloo (Waterloo). The RTI-Waterloo process was projected to be capable of removing more than 95% SO[sub 2] and 75% NO[sub x]from coal combustion flue gas. In the process, the flue gas leaving the ESP is first cooled to approximately 100[degree]C. The SO[sub 2] is then catalytically oxidized to SO[sub 3] which is removed as medium-strength sulfuric acid in a series of periodically flushed trickle-bed reactors containing an activated carbon-based catalyst. The SO[sub 2]-free gas is then reheated to approximately 150[degree]C and NH[sub 3] is injected into the gas stream. It is then passed over a fixed bed of another activated carbon-based catalyst to reduce the NO[sub x] to N[sub 2] and H[sub 2]O. The clean flue gas is then vented to the stack. The feasibility of the process has been demonstrated in laboratory-scale experiments using simulated flue gas. Catalysts have been identified that gave the required performance for SO[sub 2] and NO[sub x] removal with
Book Synopsis Alternative Formulations of Regenerable Flue Gas Cleanup Catalysts. Progress Report, September 1, 1992--November 30, 1992 by :
Download or read book Alternative Formulations of Regenerable Flue Gas Cleanup Catalysts. Progress Report, September 1, 1992--November 30, 1992 written by and published by . This book was released on 1992 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lithium can be used with good effectiveness as a promoter for SO2 adsorption on alumina due to its high basicity. The difficulty of depositing a layer on the surface of alumina must be overcome to achieve this goal. The x-ray diffraction studies indicate that the Mg precursor is well-dispersed on the alumina surface, and that the crystals formed, if any, are too small to be detected by the diffractometer. Further work must be done on the lithium-promoted samples to examine the dispersion on alumina.
Book Synopsis Annual Report 1989-90 by : New Brunswick. Department of Transportation
Download or read book Annual Report 1989-90 written by New Brunswick. Department of Transportation and published by . This book was released on 1991 with total page 1272 pages. Available in PDF, EPUB and Kindle. Book excerpt: General activity review of associated branches and agencies to the Department which includes corporate securities registrations, a list of tenders received, and general financial data. Branches and agencies reviewed are responsible for motor vehicle activity, highway construction, traffic engineering, telecommunications and public utilities.
Book Synopsis Plasm-assisted Cleanup of Flue Gas: Final Technical Report, September 1, 1992 Through August 31, 1993 by : Shirshak K. Dhali
Download or read book Plasm-assisted Cleanup of Flue Gas: Final Technical Report, September 1, 1992 Through August 31, 1993 written by Shirshak K. Dhali and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proof of Concept Testing of the Advanced NOXSO Flue Gas Cleanup Process. Quarterly Technical Progress Report, April 1989--July 1989 by :
Download or read book Proof of Concept Testing of the Advanced NOXSO Flue Gas Cleanup Process. Quarterly Technical Progress Report, April 1989--July 1989 written by and published by . This book was released on 1995 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: This project is being performed by MK-Ferguson Company for the U.S. Department of Energy Pittsburgh Energy Technology Center. The project is a pilot plant scale up from laboratory testing of the NOXSO flue gas cleanup process. The process simultaneously removes both sulfur and nitrogen oxides from the flue gas. The objective of this project is to prove the NOXSO Process can achieve the same SO2 and NO(subscript x) removal efficiencies under field conditions as achieved in laboratory tests. The project is a scale-up of previous laboratory tests. The project will be built at Ohio Edison's Toronto Station a coal fired power plant located in Toronto Ohio. The pilot plant will process a 12000 SCFM slip stream of flue gas from the power plant. The project is divided into 6 tasks. The purpose of Task 1 is to establish a work plan that covers in detail all the activities related to the successful completion of the project. Task 2 consists of the design and construction of the pilot Plant. Task 3 consists of an experimental program to define both operating conditions and performance data to support Task 4. Task 4 primary activities to conduct a long duration test which attains continuous 90% sulfur dioxide and nitrogen oxide removal rates. Task 5 will be the conceptual design of a 500MW including an economic evaluation of the conceptual design. Task 6 will be the demolition of the pilot plant and restoration of the site.
Book Synopsis Advanced Separation Technology for Flue Gas Cleanup. Quarterly Technical Report {number_sign}6, [July--September 1993]. by :
Download or read book Advanced Separation Technology for Flue Gas Cleanup. Quarterly Technical Report {number_sign}6, [July--September 1993]. written by and published by . This book was released on 1993 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this work is to develop a novel system for regenerable SO2 and NO(subscript x) scrubbing of flue gas that focuses on a novel method for regeneration of spent SO2 scrubbing liquor and novel chemistry for reversible absorption of NO(subscript x). High efficiency hollow fiber contractors (BFC) are proposed as the devices for scrubbing the SO2 and NO(subscript x). The system will remove more than 95% of the SO(subscript x) and more than 75% of the NO(subscript x) from flue gases typical of pulverized coal-fired power plants at a cost at least 20% less than combined wet limestone scrubbing of SO(subscript x) and selective catalytic reduction of NO(subscript x). The process will make only marketable byproducts. The approach is to reduce the capital cost using high efficiency hollow fiber devices for absorbing and desorbing the SO2 and NO(subscript x). New process chemistry is introduced to minimize well-known problems with SO2 and NO(subscript x) absorption and desorption. The novel chemistry for scrubbing NO(subscript x) will consist of water soluble phthalocyanine compounds invented by SRI and polymeric forms of Fe{sup ++} complexes similar to traditional NO(subscript x) scrubbing media. Past work with the phthalocyanine compounds shows that these compounds bind NO and NO2 reversibly and with no interference from O2, CO2, SO2, or other components of flue gas. The arrangement of the absorbers in cassette (stackable) form so that the NO(subscript x) absorber can be on top of the SO(subscript x) absorber. This arrangement is possible only because of the high efficiency of the hollow fiber scrubbing devices. This cassette (stacked) arrangement makes it possible for the SO2 and NO(subscript x) scrubbing chambers to be separate without incurring the large ducting and gas pressure drop costs necessary if a second conventional absorber vessel were used. There will be separate liquor loops to deconvolute the chemical complexity of simultaneous SO2/NO(subscript x) scrubbing.
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