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|a (TOE)ost7357725
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|a (TOE)7357725
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|a E 1.99:erda/jpl/954339-76/2
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|a erda/jpl/954339-76/2
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|a Evaluation of selected chemical processes for production of low-cost silicon. Third quarterly progress report, April 1, 1976--June 30, 1976
|h [electronic resource]
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| 260 |
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|a Columbus, Ohio :
|b Battelle Memorial Institute. Columbus Laboratories ;
|a Oak Ridge, Tenn. :
|b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
|c 1976.
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| 300 |
|
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|a Pages: 40 :
|b digital, PDF file.
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| 336 |
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|a text
|b txt
|2 rdacontent.
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| 337 |
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|a computer
|b c
|2 rdamedia.
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| 338 |
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|a online resource
|b cr
|2 rdacarrier.
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| 500 |
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|a Published through SciTech Connect.
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| 500 |
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|a 07/06/1976.
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| 500 |
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|a "erda/jpl/954339-76/2"
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| 500 |
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|a Wilson, W.J.; Carmichael, D.C.; Blocher, J.M. Jr.; Browning, M.F.
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| 520 |
3 |
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|a Based on the decision to concentrate on the fluidized-bed reduction of silicon tetrachloride as a candidate process for production of low-cost solar-grade silicon, work during the current quarter was directed toward: (1) evaluation of the economic effects of operating at Zn/SiCl₄ feed ratios other than the stoichiometric 2/1; (2) design, construction, and exploratory operation of the ''miniplant'' designed to ultimately yield over 200 g hr⁻¹ silicon for runs of 4 to 6 hr duration. It was concluded that no significant economic advantages exist in operating at Zn/SiCl₄ ratios on either side of the stoichiometric 2/1. Further, if advantages in reaction kinetics, or in product form or quality can be obtained by off-stoichiometry operation, these advantages might be obtained at only a modest increase in product cost. During the current quarter, design criteria for the miniplant were established, equipment was designed and constructed, and a number of shakedown runs were made which led to equipment modifications for improved operability.
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| 536 |
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|b NAS7-100.
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| 650 |
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7 |
|a Semimetals.
|2 local.
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| 650 |
|
7 |
|a Zinc Chlorides.
|2 local.
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| 650 |
|
7 |
|a Chlorine Compounds.
|2 local.
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| 650 |
|
7 |
|a Zinc Halides.
|2 local.
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| 650 |
|
7 |
|a Silicon Chlorides.
|2 local.
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| 650 |
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7 |
|a Chlorides.
|2 local.
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| 650 |
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|a Silicon.
|2 local.
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| 650 |
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7 |
|a Synthesis.
|2 local.
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| 650 |
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|a Chemical Preparation.
|2 local.
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| 650 |
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|a Silicon Compounds.
|2 local.
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| 650 |
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7 |
|a Impurities.
|2 local.
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| 650 |
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|a Cost.
|2 local.
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| 650 |
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7 |
|a Elements.
|2 local.
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| 650 |
|
7 |
|a Halogen Compounds.
|2 local.
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| 650 |
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7 |
|a Halides.
|2 local.
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| 650 |
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7 |
|a Zinc Compounds.
|2 local.
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| 650 |
|
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|a Solar Energy.
|2 edbsc.
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| 710 |
2 |
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|a Battelle Memorial Institute.
|b Columbus Laboratories.
|4 res.
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| 710 |
1 |
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|a United States.
|b Department of Energy.
|b Office of Scientific and Technical Information.
|4 dst.
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| 856 |
4 |
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|u http://www.osti.gov/servlets/purl/7357725/
|z Online Access
|
| 907 |
|
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|a .b74114943
|b 03-07-23
|c 07-05-13
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| 998 |
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|a web
|b 07-05-13
|c f
|d m
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|f eng
|g ohu
|h 0
|i 3
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| 956 |
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|s 692b656e-2ac4-5352-878c-740d129463ab
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| 952 |
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|p Can circulate
|a University of Colorado Boulder
|b Online
|c Online
|d Online
|e E 1.99:erda/jpl/954339-76/2
|h Superintendent of Documents classification
|i web
|n 1
|
