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Slicing of silicon into sheet material. Final report, January 9, 1976-September 30, 1979

Description: Complete results, from raw data to interpretation to recommendations, of a program to investigate the use of multiblade slurry sawing to produce silicon wafers from ingots are presented. During the course of this program, the commercially available state of the art process was improved by 20% in terms of area of silicon wafers produced from an ingot. The process was improved 34% on an experimental basis. Production of 20 wafers per centimeter length of 100 mm diameter ingot is now possible on a… more
Date: September 21, 1979
Creator: Fleming, J R; Holden, S C & Wolfson, R G
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Analysis of stirred-tank carbonation reactors. [Removal of /sup 14/CO/sub 2/ by reaction with Ca(OH)/sub 2/]

Description: The removal of CO/sub 2/ from air in a calcium hydroxide slurry-agitated reactor was investigated to aid the design of such vessels. Gas-liquid interfacial areas were calculated using theoretical rate expression and experimental data at specific operating conditions. A correlation for interfacial areas was then determined as a function of impeller speed, impeller diameter, gas flow rate, and concentration of the slurry. Decontamination factors were also determined.
Date: November 21, 1978
Creator: Sheppard, N.F.; Rizo-Patron, R.C. & Sun, W.H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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An investigation of the mechanisms of calcination and sulfation in coal-water mixtures

Description: The purpose of this investigation is to study the mechanisms of sulfur capture when burning coal-water-limestone mixtures (CWLM) in fluidized beds. Special care is taken to make comparisons with to dry coal and sorbent under comparable experimental conditions. A series of experiments were performed in an eight-inch diameter bubbling fluidized bed combustor to address this problem. 33 refs., 17 figs., 5 tabs.
Date: September 21, 1990
Creator: Christofides, N.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Pelletizing/reslurrying as a means of distributing and firing clean coal

Description: The objective of this study is to develop technology that permits the practical and economic preparation, storage, handling, and transportation of coal pellets, which can be reslurried into Coal water fuels (CWF) suitable for firing in small- and medium-size commercial and industrial boilers, furnaces, and engines. The project includes preparing coal pellets and capsules from wet filter cake that can be economically stored, handled, transported, and reslurried into a CWF that can be suitably at… more
Date: November 21, 1991
Creator: Conkle, H. N.; Raghavan, J. K.; Smit, F. J. & Jha, M. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Superclean coal-water slurry combustion testing in an oil-fired boiler. Semiannual technical progress report, August 15, 1992--February 15, 1993

Description: The Pennsylvania State University is conducting a superclean coal-water slurry (SCCWS) program for the United States Department of Energy (DOE) and the Commonwealth of Pennsylvania with the objective of determining the capability of effectively firing SCCWS in an industrial boiler designed for heavy fuel oil. Penn State has entered into a cooperative agreement with DOE to determine if SCCWS (a fuel containing coal with 3.0 wt.% ash and 0.9 wt.% sulfur) can effectively be burned in a heavy fuel … more
Date: April 21, 1993
Creator: Miller, B. G.; Pisupati, S. V.; Poe, R. L.; Morrison, J. L.; Xie, J.; Walsh, P. M. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Pelletizing/reslurrying as a means of distributing and firing clean coal. Final quarterly technical progress report No. 5, July 1, 1991--September 30, 1991

Description: The objective of this study is to develop technology that permits the practical and economic preparation, storage, handling, and transportation of coal pellets, which can be reslurried into Coal water fuels (CWF) suitable for firing in small- and medium-size commercial and industrial boilers, furnaces, and engines. The project includes preparing coal pellets and capsules from wet filter cake that can be economically stored, handled, transported, and reslurried into a CWF that can be suitably at… more
Date: November 21, 1991
Creator: Conkle, H. N.; Raghavan, J. K.; Smit, F. J. & Jha, M. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Improving Energy Efficiency Via Optimized Charge Motion and Slurry Flow in Plant Scale Sag Mills

Description: A research team from the University of Utah is working to make inroads into saving energy in these SAG mills. In 2003, Industries of the Future Program of the Department of Energy tasked the University of Utah team to build a partnership between the University and the mining industry for the specific purpose of reducing energy consumption in SAG mills. A partnership was formed with Cortez Gold Mines, Kennecott Utah Copper Corporation, Process Engineering Resources Inc. and Outokumpu Technology.… more
Date: July 21, 2006
Creator: Rajamani, Raj K. & Delgadillo, Jose Angel
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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PJM Controller Testing with Prototypic PJM Nozzle Configuration

Description: The U.S. Department of Energy (DOE) Office of River Protection’s Waste Treatment Plant (WTP) is being designed and built to pre-treat and then vitrify a large portion of the wastes in Hanford’s 177 underground waste storage tanks. The WTP consists of three primary facilities—pretreatment, low-activity waste (LAW) vitrification, and high-level waste (HLW) vitrification. The pretreatment facility will receive waste piped from the Hanford tank farms and separate it into a high-volume, low-activity… more
Date: August 21, 2009
Creator: Bontha, Jagannadha R.; Nigl, Franz; Weier, Dennis R.; Leigh, Richard J.; Johnson, Eric D.; Wilcox, Wayne A. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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THE USE OF DI WATER TO MITIGATE DUSTING FOR ADDITION OF DWPF FRIT TO THE SLURRY MIX EVAPORATOR

Description: The Defense Waste Processing Facility (DPWF) presently is in the process to determine means to reduce water utilization in the Slurry Mix Evaporator (SME) process, thus reducing effluent and processing times. The frit slurry addition system mixes the dry frit with water, yielding approximately a 50 weight percent slurry containing frit and the other fraction water. This slurry is discharged into the SME and excess water is removed via boiling. To reduce this water load to the SME, DWPF has prop… more
Date: July 21, 2010
Creator: Hansen, E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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NACA research on slurry fuels through 1954

Description: Report presenting a review of NACA research on slurry fuels through 1954. Slurry fuels are defined as suspensions of metals in hydrocarbons, which may offer more flight range or thrust than can be obtained with conventional hydrocarbons. Magnesium is the primary metal of interest at this time for high thrust and boron for long-range flight.
Date: April 21, 1955
Creator: Olson, Walter T. & Breitwieser, Roland
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Life of HRE-3 Core Tanks

Description: ABS>Calculations have been made of the expected life of Zircaloy core tanks in the HRE-3 assuming 5 w/ml power density in the tank, considering possible cooling systems. If the inner surface film coefficient is l000 Btu/hr ft/sup 2/ deg F or better, a thick single-walled tank appears optimum. If the inner surface coefficient is only about 100, cooling of the core tank with either D20 or ThO/sub 2/ slurry appears desirable or even necessary. (auth)
Date: October 21, 1957
Creator: Larrimore, J. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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RELATIONSHIP BETWEEN CALCINING TEMPERATURE AND PARTICLE DENSITY OF THORIA SLURRIES

Description: The variation in rheologlcal behavior and other physical properties of thoria slurries with the calcining temperature of the thoria powder is explained on the basis of the relation between the calcining temperature and the bulk density of the individual thoria particles. Indirect experimental measurements of the bulk particle density by viscosimetry and by measurement of centrifuged- bed denslties agreed wlth each other and fell within the predicted density limlts of 3.7 g/cc and 9.7 g/cc (for … more
Date: March 21, 1962
Creator: Eissenberg, D.M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Slurry combustion. Volume 1, Text: Final report

Description: The project described in this Report was to investigate the possibility of using sorbent added to coal-water fuel (CWF) mixtures as a means of reducing SOX emissions when burning Ohio coal. The results are significantly encouraging, with SOX concentrations reduced by amounts ranging from 25% to 65%, depending on the sorbent type and the firing conditions, where one major condition identified was the residence time in the flame gases. With the sorbent-loaded slurrys, the trend generally showed i… more
Date: June 21, 1993
Creator: Essenhigh, R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

FEASIBILITY STUDY OF A NEW MASS FLOW SYSTEM. Quarterly Report No. 1 Covering the Period from June 1 to September 1, 1960. With this is bound: QUARTERLY REPORT NO. 1 FOR PERIOD FROM JULY 15TO SEPTEMBER 1, 1960

Description: A mass flow measurement technique is described which has the capability of measuring homogeneous flow, slurries, highly corrosive fluids, and multiphase fluids. The device features ruggedness and reliability and has the ability to measure external to the flow. In the proposed system, the fluid is made to pass through a U-shaped tube wherein measurements of the augular momentum and density yield mass flow directly. As the fluid traverses the 180 deg bend, a radial force is generated, which can b… more
Date: September 21, 1960
Creator: Burgwald, G. M. & Genthe, W. K.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

SOME EXPERIMENTS ON THE ACCURACY OF THORIA SLURRY SAMPLES

Description: Tests were performed on a thoria slurry flowing in a pipe to determine the magnitude of the possible error involved in the sampling process. Evidence indicates that a correct sample is obtained by withdrawing the sample isokinetically (i.e., by facing the sampler into the flow and adjusting the sampler velocity to match the ambient velocity) provided that the sampler is larger than some minimura diameter that is dependent on the mean eddy length and/ or the mean particle size. (auth)
Date: April 21, 1960
Creator: Wichner, R. P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Chemical Technology Division, Unit Operations Section Monthly Progress Report for April 1959

Description: A concentration cell electrode was installed in a fritted glass surface and was used to measure the surface KCl concentration while water was being transpired through the surface into a mixed tank of 0.1 M KCl. The results from the first Fluorox run made with crude UF/sub 4/ showed that 85.3% of the theoretical amount of UF/sub 6/ was accounted for, with 17.9% being collected in cold traps and the remainder being consumed in various side reactions. Installation was completed of apparatus to stu… more
Date: July 21, 1959
Creator: Bresee, J. C.; Haas, P. A.; Horton, R. W.; Watson, C. D. & Whatley, M. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Large-Scale Slurry-Circulation System (300-SM)

Description: Development activities on the large-scale, hightemperature, thoria slurry facility at ORNL were suspended in July 1960. The latest design philosophy, the status of component development, operational procedures, and limitations of each section of the system are presented. The design of the facility would be adequate for a singleregion slurry-reactor experiment on a slurry blanket system with a properly developed blanket flow pattern. The equipment consists of a 330-liter circulating system, incl… more
Date: December 21, 1961
Creator: Parsly, L. F., Jr.; Falkenberry, H. L.; Harley, P. H.; Miller, I. M. & Kenyon, V. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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POC-scale testing of an advanced fine coal dewatering equipment/technique: Quarterly technical progress report No. 9, October 1996--December 1996

Description: The advanced fine-coal cleaning techniques such as column flotation, recovers a low-ash ultra-fine size clean-coal product. However, economical dewatering of the clean coal product to less than 20 percent moisture using conventional technology is difficult. This research program objective is to evaluate a novel coal surface modification technique developed at the University of Kentucky Center for Applied Energy Research in conjunction with conventional and advanced dewatering technique at a pil… more
Date: January 21, 1997
Creator: Tao, D.; Groppo, J. G. & Parekh, B. K.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Mixing Envelope D Sludge with LAW Intermediate Products with and without Glass Formers

Description: The Department of Energy (DOE) Office of River Protection is in the process of designing a waste treatment system to process the Hanford Reservation High Level Waste (HLW). Envelope D sludge slurries will be blended with the concentrated Cs/Ts eluates, and the Sr/TRU intermediates separated from Envelope A, B, and C feeds. This study produced two washed simulated sludges (representing tanks 241-AZ-101 and 241-AZ-102 sludge), a Sr/TRU washed precipitate produced from tank 241-AN-107 simulant, an… more
Date: September 21, 2001
Creator: Hansen, E.K.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Superclean coal-water slurry combustion testing in an oil-fired boiler

Description: The Pennsylvania State University is conducting a superclean coal-water slurry (SCCWS) program for the United States Department of Energy (DOE) and the Commonwealth of Pennsylvania with the objective of determining the capability of effectively firing SCCWS in an industrial boiler designed for heavy fuel oil. Penn State has entered into a cooperative agreement with DOE to determine if SCCWS (a fuel containing coal with 3.0 wt.% ash and 0.9 wt.% sulfur) can effectively be burned in a heavy fuel … more
Date: April 21, 1993
Creator: Miller, Bruce G.; Pisupati, Sarma V.; Poe, Roger L.; Morrison, Joel L.; Xie, Jiangyang; Walsh, Peter M. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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