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A Novel Carbon Based Process For Flue Gas Cleanup Seventh Quarterly Technical Progress Report January 1 March 31 1993
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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 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.
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. 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 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 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. 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.
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. 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.
Download or read book Fossil Energy Update written by and published by . This book was released on 1982 with total page 936 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 1994-03 with total page 1414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 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 Plasma-assisted Cleanup of Flue Gas. [Quarterly] Technical Report, March 1, 1993--May 31, 1993 by :
Download or read book Plasma-assisted Cleanup of Flue Gas. [Quarterly] Technical Report, March 1, 1993--May 31, 1993 written by and published by . This book was released on 1993 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of the proposed research is to design and implement a novel scheme for the combined removal of SO2 and NO(subscript x) using a dielectric-barrier discharge in conjunction with UV irradiation. This investigation requires the design of a dielectric-barrier reactor and testing the proposed scheme under different conditions. The testing of the uniformity of the discharge with UV irradiation has been very successful. The details are provide-din this report and has been submitted to the Applied Physics Letter. In this reporting period both experimental and simulation work were carried out on the removal of SO2 and NO(subscript x). With the improved reactor, we have achieved a removal of SO2 up to 85%. The simulation studies indicate that complete removal of NO(subscript x) is possible at reduced electric fields (E/N) of above 100 Td.
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 Commercial Demonstration of the NOXSO SO2/NO3 Removal Flue Gas Cleanup System. Quarterly Technical Progress Report No. 9, March 1--May 31, 1993 by :
Download or read book Commercial Demonstration of the NOXSO SO2/NO3 Removal Flue Gas Cleanup System. Quarterly Technical Progress Report No. 9, March 1--May 31, 1993 written by and published by . This book was released on 1993 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The NOXSO process is a dry, post-combustion flue gas treatment technology which uses a regenerable sorbent to simultaneously adsorb sulfur dioxide (SO2) and nitrogen oxides (NOx) from the flue gas of a coal-fired utility boiler. In the process, the SO2 is reduced to elemental sulfur and the NOx is reduced to nitrogen and oxygen. It is predicted that the process can economically remove 90% of the acid rain precursor gases from the flue gas stream in a retrofit or new facility. The objective of the NOXSO Demonstration Project is to design, construct, and operate a flue gas treatment system utilizing the NOXSO process at Ohio Edisons̀ Niles Plant Unit {number_sign}1. The effectiveness of the process will be demonstrated by achieving significant reductions in emissions of sulfur and nitrogen oxides. In addition, sufficient operating data will be obtained to confirm the process economics and provide a basis to guarantee performance on a commercial scale. Ohio Edisons̀ Niles Plant Unit {number_sign}1 generates 115 MW of electricity and 275,000 scfm of flue gas while burning 3.5% sulfur coal. The project is presently in the project definition and preliminary design phase. This phase was included in the project to allow completion of process studies and preliminary activities which could be conducted in parallel with NOXSOs̀ pilot plant project being conducted at Ohio Edisons̀ Toronto Power Plant.
Book Synopsis Commercial Demonstration of the NOXSO SO2/NO3 Removal Flue Gas Cleanup System. Quarterly Technical Progress Report No. 10, June 1--August 31, 1993 by :
Download or read book Commercial Demonstration of the NOXSO SO2/NO3 Removal Flue Gas Cleanup System. Quarterly Technical Progress Report No. 10, June 1--August 31, 1993 written by and published by . This book was released on 1993 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: The NOXSO process is a dry, post-combustion flue gas treatment technology which uses a regenerable sorbent to simultaneously adsorb sulfur dioxide (SO2) and nitrogen oxides (NOx) from the flue gas of a coal-fired utility boiler. In the process, the SO2 is reduced to sulfur by-product (elemental sulfur, sulfuric acid, or liquid SO2) and the NOx is reduced to nitrogen and oxygen. It is predicted that the process can economically remove 90% of the acid rain precursor gases from the flue gas stream in a retrofit or new facility. The objective of the NOXSO Demonstration Project is to design, construct, and operate a flue gas treatment system utilizing the NOXSO process at Ohio Edisons̀ Niles Plant Unit {number_sign}1. The effectiveness of the process will be demonstrated by achieving significant reductions in emissions of sulfur and nitrogen oxides. In addition, sufficient operating data will be obtained to confirm the process economics and provide a basis to guarantee performance on a commercial scale. The project is presently in the project definition and preliminary design phase. Data obtained during pilot plant testing which was completed on July 30, 1993 is being incorporated in the design of the commercial size plant. A suitable host site to demonstrate the NOXSO process on a commercial scale is presently being sought.
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