Process for cleaning surfaces of interior parts in two-stage flu

Details Process for cleaning surfaces of interior parts in two-stage flu Process for cleaning surfaces of interior parts in two-stage flu

1992-02-18

1993-06-01

Morris, Theodore

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

134 26, 42324301, 42324305, B08B 302, B08B 304, B08B 900

Patent

active

052155943

ABSTRACT:
A process for cleaning the surfaces of interior parts of two-stage flue gas desulfurization plants, which employ limestone as absorbent to form gypsum as the final product, such as guide plates and baffle plates and/or the discharge pipe and the bottom side of the feed hoppers, said interior parts being contacted by flue gas stream(s) and liquid absorbent. The process is characterized in that the parts and/or areas of said interior parts to be cleaned are washed periodically with process water or first with a portion of the absorbent suspension of the upper absorbent circulation and then with a portion of the process water.

REFERENCES:
patent: 2080779 (1937-05-01), Lessing
patent: 4735787 (1988-04-01), Mouche et al.
patent: 4876076 (1989-10-01), Colley

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