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Development Of An Advanced Continuous Mild Gasification Process For The Production Of Co Products Quarterly Technical Progress Report April June 1988
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Book Synopsis Development of an Advanced, Continuous Mild Gasification Process for the Production of Co-products. Quarterly Technical Progress Report, April--June 1988 by :
Download or read book Development of an Advanced, Continuous Mild Gasification Process for the Production of Co-products. Quarterly Technical Progress Report, April--June 1988 written by and published by . This book was released on 1988 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Department of Energy is investigating a process concept called Mild Gasification in which rapid devolatilization of coal under mild conditions of temperature and pressure would yield three product slates: a low- or medium-BTU gas, a valuable hydrocarbon condensate, and a reactive char. The ongoing objective of this program is to develop a continuous mild gasification process which will produce a product mix that optimizes process economics. In order to provide the incentive for private industry to commercialize the process, it is necessary to demonstrate yields and qualities in a versatile continuous process development unit (PDU). This unit must be capable of assessing both coal- and process-specific effects in a cost-effective and timely manner. Based on literature reviews and experimental verification, a data base will be developed correlating coal and process parameters with product characteristics. This will provide process developers with the information necessary to derive site-specific economics which will be crucial for the commercialization of the mild gasification process. The literature review and market assessment has been completed under Task 1 of the program. Under Task 2, coal-specific tests are being conducted on three AMAX coals: Chinook, an Indiana {number_sign}3 bituminous coal; Delta, an Illinois {number_sign}6 bituminous coal; and Eagle Butte, a Wyodak subbituminous coal. Various methods of char upgrading are being conducted by AMAX R & D of Golden, Colorado. The upgraded char is then combined with iron ore and tested for pig iron production under an AMAX subcontract to Pellet Technology Corporation of Marquette, Michigan. In addition to the test program, process development and scaleup information is being developed for a 1 ton/hr pilot plant unit. Plans for Tasks 2 and 3, equipment modifications, and report. Results include: char analysis, condensable analysis, waste water analysis, and gas analysis.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994-04 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of an Advanced, Continuous Mild Gasification Process for the Production of Co-products. Quarterly Technical Progress Report, April--June 1992 by :
Download or read book Development of an Advanced, Continuous Mild Gasification Process for the Production of Co-products. Quarterly Technical Progress Report, April--June 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: The char produced in the 100-lb/hr process development unit has been magnetically cleaned by AMAX and returned to the Energy and Environmental Research Center (EERC). The final calcining step of the process is currently being performed in the 4-lb/hr continuous fluidized-bed reactor (CFBR). The liquid products generated by the PDU have been collected and split into usable fractions and fractions to be discarded. Samples of the coal-derived liquids have been sent to Merichem Corporation of Houston and Koppers Industries of Pittsburgh for determination of their usefulness as chemical feedstock for the production of cresylic acids and anode-grade-binder pitch. The technical and economic assessment performed by Xbi and J.E Sinor Consultants has been completed. The briquette testing being conducted at the EERC has produced high quality briquettes using a number of binder agents. The next step in the test matrix will include the use of coal-derived liquids from the PDU as the binder. An additional coal has been added to the mild gasification test matrix. AMAX recently acquired two eastern low-sulfur bituminous coals and suggested that a limited test schedule be conducted to determine the suitability of these coals for the mild gasification process. The sulfur levels in the raw coals are below the target levels suggested by the steel industry for metallurgical coke use. To date, it has not been possible to reach these goals using the high-sulfur Illinois Basin coals tested.
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 199? with total page 1646 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of an Advanced Continuous Mild Gasification Process for the Production of Co-products. Quarterly Progress Report, July--September 1995 by :
Download or read book Development of an Advanced Continuous Mild Gasification Process for the Production of Co-products. Quarterly Progress Report, July--September 1995 written by and published by . This book was released on 1995 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Eight tons of CTC/DOE formed coke of 6 inches x 5 inches x 4 inches size were produced in the PDU. This coke will be tested at 100 percent formed coke charge in a commercial size foundry. A scheduled test run was postponed due to production requirements at the foundry. Foundry coke was produced from weakly coking Colorado coal. Blending of this coal with 40 percent of stronger caking, higher rank coals was required. Western coal from the Rosebud seam was pyrolyzed to upgrade this low rank, high moisture coal. The objective is to improve the coal as a fuel and to determine if an acceptable char or coke can be produced from this coal.
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 1596 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of an Advanced, Continuous Mild Gasification Process for the Production of Co-products. Quarterly Report, April 1, 1992--June 30, 1992 by :
Download or read book Development of an Advanced, Continuous Mild Gasification Process for the Production of Co-products. Quarterly Report, April 1, 1992--June 30, 1992 written by and published by . This book was released on 1992 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seventeen continuous coke tests were completed. Efforts to produce coke from lower rank non-coking coal resulted in a coke with 1/3 less crush strength. This lower quality coke made from cheaper coal may have value as a partial charge in a blast furnace. A coke strength increase of 80% was obtained by curing the coke at 850°F for one hour prior to the normal cure of 1 1/2 hours at 1832°F. Sixteen CMGU test runs were made using 13 different coals. A test run of 12 hours without problems was included. Design of the gas heaters for the screws was completed and the heaters will be shipped near the end of May 1992. Operations of the CMGU condensers were improved by preheating to above 212°F before starting coal feed. Installation of the screw heaters and improved condenser performance will permit operating the CMGU at the design capacity of 1000 lbs coal/hour.
Book Synopsis Development of an Advanced Continuous Mild Gasification Process for the Production of Co-products: Quarterly Report: January - March 1996 by :
Download or read book Development of an Advanced Continuous Mild Gasification Process for the Production of Co-products: Quarterly Report: January - March 1996 written by and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of an Advanced, Continuous Mild Gasification Process for the Production of Co-products by :
Download or read book Development of an Advanced, Continuous Mild Gasification Process for the Production of Co-products written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Research on mild gasification is discussed. The report is divided into three sections: literature survey of mild gasification processes; literature survey of char, condensibles, and gas upgrading and utilization methods; and industrial market assessment of products of mild gasification. Recommendations are included in each section. (CBS) 248 refs., 58 figs., 62 tabs.
Download or read book Energy Research Abstracts written by and published by . This book was released on with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of an Advanced, Continuous Mild Gasification Process for the Production of Co-products. Quarterly Report, October--December 1993 by :
Download or read book Development of an Advanced, Continuous Mild Gasification Process for the Production of Co-products. Quarterly Report, October--December 1993 written by and published by . This book was released on 1994 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Formed coke experiments to select suitable binder coals were completed. Of five different candidates, a metallurgical coal blend from Koppers and a Sewell Seam coal were found to be good binder coals. Petrographic analysis of the binder coals were used in making the sections. Design of a 1000 pounds per hour continuous formed coke pilot plant is under way. Used equipment will be used wherever possible to lower the cost. Six pyrolyzer test runs were completed. Plugging of the shell and tube light oils condenser occurred for long test runs. A new spray contact condenser is being installed on the pyrolyzer using the original tar trap. Circulating coal liquids should dissolve tars and prevent plugging.
Author :Advisory Committee on Technology and Society Publisher :National Academies Press ISBN 13 :9780309037860 Total Pages :1298 pages Book Rating :4.0/5 (378 download)
Book Synopsis Cities and Their Vital Systems by : Advisory Committee on Technology and Society
Download or read book Cities and Their Vital Systems written by Advisory Committee on Technology and Society and published by National Academies Press. This book was released on 1989 with total page 1298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cities and Their Vital Systems asks basic questions about the longevity, utility, and nature of urban infrastructures; analyzes how they grow, interact, and change; and asks how, when, and at what cost they should be replaced. Among the topics discussed are problems arising from increasing air travel and airport congestion; the adequacy of water supplies and waste treatment; the impact of new technologies on construction; urban real estate values; and the field of "telematics," the combination of computers and telecommunications that makes money machines and national newspapers possible.
Book Synopsis Development of an Advanced, Continuous Mild Gasification Process for the Production of Co-products. Quarterly Report, October 1, 1992--December 31, 1992 by :
Download or read book Development of an Advanced, Continuous Mild Gasification Process for the Production of Co-products. Quarterly Report, October 1, 1992--December 31, 1992 written by and published by . This book was released on 1992 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: A 70-pound continuous coke sample was prepared for testing by a major conventional coke producer. Test results were encouraging, but a suggestion was made to produce larger briquettes. Work is underway to produce 6in. x 5in. x 3.75in. briquettes with plans to crush these briquettes to plus 2-inch x minus 3-inch irregular shaped coke. Work continued to provide a coke reactivity test instrument at CTC. A new vessel was fabricated of Haynes HR-160 which will withstand temperatures up to 2300°F. A total of 11 CMGU test runs were completed. Coal feed rates of over 1000 pounds per hour for short periods were obtained. Average feed rates of over 800 pounds per hour were reached for two test runs. The jet burners heating the insides of the screws' shafts made these higher rates possible. Three test runs were made using 28 x 100 mesh Penelec filter cake with the objective of upgrading this coal processing byproduct to coke. Improvements to the PDU continued with two condensers' modifications and improved packing gland seals.
Book Synopsis Development of an Advanced Continuous Mild Gasification Process for the Production of Co-products. Quarterly Report, October--December 1995 by :
Download or read book Development of an Advanced Continuous Mild Gasification Process for the Production of Co-products. Quarterly Report, October--December 1995 written by and published by . This book was released on 1996 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Efforts continued to obtain financing for a commercial continuous formed coke plant. Discussions were held with two steel companies that are interested in producing coke for their use in steel production and foundry operations. Planning for production of 40 tons of foundry formed coke is underway. This coke will be used in two 20-ton tests at General Motors' foundries. During this production, it is planned to determine if a tunnel kiln can be used as a coking furnace as an alternative for a rotary hearth. A rotary hearth is about three times more costly than a competitive-sized tunnel kiln. Work continued on using Western non-caking coals to produce formed coke. Successful tests were made by using Eastern caking coals and other binders to permit using up to 50% of the cheaper Western non-caking coals in formed coke production. The primary objective of this project is to develop an advanced continuous mild gasification process and product upgrading processes which will be capable of eventual commercialization.
Book Synopsis Publications from 1941 to August of 1991 by :
Download or read book Publications from 1941 to August of 1991 written by and published by . This book was released on 1991 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of an Advanced, Continuous Mild Gasification Process for the Production of Co-products. Quarterly Report, October 30, 1991--January 2, 1992 by :
Download or read book Development of an Advanced, Continuous Mild Gasification Process for the Production of Co-products. Quarterly Report, October 30, 1991--January 2, 1992 written by and published by . This book was released on 1991 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: During this quarter the work on Task 3, char upgrading, was in two areas; upgrading Penelec char made from Penelec filter cake to blast furnace formed coke, and evaluating various bituminous pitch binders. The formed coke from Penelec filter cake was of good quality with a high crush strength of 3000 pounds. The reactivity was not equal to that of conventional coke but it is felt that it could be made to equal conventional coke with further study, specifically by adding binder coal to the raw material recipe. The work evaluating bituminous pitch binders confirmed earlier thinking that will be valuable to a commercial scale-up. Asphalt binders are compatible with coal tar binders and produce a coke of equal quality. Hence asphalt binders can be used to supply deficiencies of tar production in units employing coals with insufficient volatile matter to supply enough tar for the coking process. Asphalt binders have about a 50% savings from coal tar pitch. During the 4th Quarter of 1991, a total of 15 Continuous Mild Gasification Unit (CMGU) test runs were made. Efforts continued to determine the optimum forward/reverse ratio to maximize coal feed rate. The success of these efforts has been limited with a maximum coal feed rate of 400 lbs/hr obtainable with a caking coal. The handicap of not having screw shaft heaters cannot be overcome by adjustment of the forward/reverse ratio.
Book Synopsis Development of an Advanced, Continuous Mild Gasification Process for the Production of Co-products (Tasks 2, 3, and 4.1 to 4.6), Volume 2. Final Report by :
Download or read book Development of an Advanced, Continuous Mild Gasification Process for the Production of Co-products (Tasks 2, 3, and 4.1 to 4.6), Volume 2. Final Report written by and published by . This book was released on 1991 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 2 contains information on the following topics: (1) Mild Gasification Technology Development: Process Research Unit Tests Using Slipstream Sampling; (2) Bench-Scale Char Upgrading Study; (3) Mild Gasification Technology Development: System Integration Studies. (VC).
