Chemical Processing Department Monthly Report: July 1957 Page: 38 of 107
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A. Metal Finishinpr Operation (Continued)
. M then difficulties again were experienced in the wet chemical equ-pment.
In this case a broken hydraulic line contributed to a severe
contamination spread and operations were interrupted for nearly two
days. Mechanical interferences also developed as the result of
installing new piping in a onvqor hood for connecting existing
equipment with the new continuous type wet chemical equipment and
some significant process delays were experienced until these troubles
were corrected. The plant was scheduled to work another Saturday in
order to compensate for these delays.
B. Product Recovery peration
Succsssfully tested on nineteen runs, was an increase in d-ssa?
charging from eight to ten reduction crucibles (S & C), along _ rnA
combination with fluoride powder and casting rci'.ela I r
maintain proper organic to aqueou specific gravity s
a reduction in the ANN salting strength was required. This, n
was compensated for by the increase in dissolved salts iron te
crucibles. To date there has been no il effect on filtratian :ales
of these solutions despite the decrease in ANN (which acts adi .
coagulating agent for the many silica fines) and only minoreasu to
to the extraction columns. Tde Replacement in re D-
sixteen crucibles per charge are planned etedand calibration
dissolver, which failed in Juna, were comp
initiated on July 31-
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Hanford Atomic Products Operation. Chemical Processing Department. Chemical Processing Department Monthly Report: July 1957, report, August 22, 1957; Richland, Washington. (https://digital.library.unt.edu/ark:/67531/metadc1312193/m1/38/: accessed May 19, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.