Method for recycling greenware in the manufacture of hydrous cal

Details Method for recycling greenware in the manufacture of hydrous cal Method for recycling greenware in the manufacture of hydrous cal

1978-09-21

1984-10-16

Parrish, John

Plastic and nonmetallic article shaping or treating: processes

Recycling of reclaimed or purified process material

Of gaseous process material

264 82, 264 87, 264333, C04B 100

Patent

active

044773978

ABSTRACT:
Off-size greenware (the product resulting from the initial gelation and filter pressing of calcareous and siliceous materials in an aqueous slurry) is recycled. The greenware is pulverized into a desirable size and combined with new calcareous and siliceous materials in the initial slurrying step. The slurry containing recycled greenware gels at an improved rate.

REFERENCES:
patent: 2880100 (1959-03-01), Ulfstedt
patent: 3778494 (1973-12-01), Helser
patent: 3794505 (1974-02-01), Helser et al.
patent: 3895096 (1975-07-01), Helser et al.
patent: 3902913 (1975-09-01), Helser et al.
patent: 3926653 (1975-12-01), Shannon et al.
patent: 4131638 (1978-12-01), Whitaker
Cotton et al., "Advanced Inorganic Chemistry", 3rd Edition, p. 321, 1972.

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