Conclusions
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1.
To intensify filtration we have tested polyhydroxyethylene specimens of various molecular weights; under laboratory conditions the use of this reagent enabled us to increase the filtration rate by a factor of 2–3 and to reduce the moisture content of the deposit by 4–5%.
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2.
We have proposed a relative coefficient of efficiency for comparing the action of different specimens of reagents.
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3.
It has been shown that the specific effect of polyhydroxyethylene increases with its molecular weight.
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4.
It has been established that PHE specimens, obtained in the catalytic system TIBA-DMGO (Nos. 162 and 105), are more active reagents during filtration than specimens of higher molecular weight (Nos. 156 and 155), obtained on AK catalyst.
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Literature Cited
V. S. Kaminskii, M. S. Sokolova, et al., in: Theory and Practice of Dehydration of Coal Mines [in Russian], Nauka, Moscow (1966).
V. G. Preigerzon, Obogashchenie i Briketirovanie Uglya, No. 1 (1968).
M. M. Tarnorutskii, N. B. Kolosova, and V. A. Grebenshchikova, Avt. Svid. No. 264, 691, Byull. Izobr., No. 8 (1969).
K. S. Kazanskii, G. I. Bantsyrev, O. V. Kopelevich, and S. G. Éitelis, Dokl. Akad. Nauk SSSR,184, No. 2 (1968).
Additional information
“Plastopolimer Plant,” Novosibirsk. Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 2, pp. 99–102, March–April, 1972.
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Kaminskii, V.S., Sokolova, M.S., Safronova, K.I. et al. Effect of addition of different polyhydroxyethylene specimens on filtration efficiency. Soviet Mining Science 8, 203–205 (1972). https://doi.org/10.1007/BF02497543
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DOI: https://doi.org/10.1007/BF02497543