Shore Pac^® Mixing in Vessels or Tanks

When Shore Pac^® polymer is pre-mixed in vessels it shall be added to water that is being passed through a hose, tube or hopper; across a stationary panel or surface; or stirred or otherwise agitated, in a manner which avoids the formation of lumps and results in a uniform mixture of polymer in the water. The polymer slurry shall be agitated until it develops viscosity adequate to be self-suspending (i.e., particles of partially-dissolved polymer do not settle in the fluid). This normally occurs within 15 to 30 minutes. Polymer shall not be mixed in a vessel without adequate agitation. Agitation may be accomplished by use of motorized stirrers, air injection, (as with blowpipes or fixed perforated piping), or other suitable and effective means. Recirculation by a single pump (without other means of agitation) is usually inadequate and shall not be permitted unless the mix tank is small enough that the pump provides adequate agitation of the entire tank.

APPLICATIONS

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Associated Documents

• Complete Slurry Drilling and Mixing Guide