precoating


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precoating

[¦prē′kōd·iŋ]
(engineering)
The depositing of an inert material, such as filter aid, onto the filter medium prior to the filtration of suspended solids from a solid-liquid slurry.

tinning, precoating

Coating a metal with solder or tin alloy, prior to soldering or brazing it.
References in periodicals archive ?
Only clean material is used for precoating to initiate the filter cycle (unlike media used in the granular filter process, which is cleaned and retained).
2 coating clay and 60% <2[micro] ground calcium carbonate (GCC) had use as a precoating.
Tenders are invited for Maintenance of different roads under bansloi highway section by precoating materials (mixing at murarai stackyard) under rampurhat highway sub division of birbhum highway division-i in the district of birbhum.
Tenders are invited for maintenance of different roads under rampurhat highway section by precoating materials (mixing at rampurhat stackyard) under rampurhat highway sub division of birbhum highway division-i in the district of birbhum.
Tenders are invited for Repairing pot-holes by precoating materials, pre-mixed at habra highway sub-divn.
Tenders are invited for Supply of stone metals for precoating materials and jhama materials due to repair work of pot-holes at different roads under bongaon highway sub-division