Method for the preparation of viscous hydrocarbon in aqueous buf

Compositions – Preservative agents – Anti-corrosion

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252312, 252314, 44301, 137 13, B01J 1300, C10L 132, F17D 117

Patent

active

056038640

ABSTRACT:
A method for forming a stable bimodal emulsion comprises admixing a viscous hydrocarbon with an aqueous buffer solution under controlled conditions so as to obtain a first monomodal emulsion having an average hydrocarbon droplet size of less than 5 microns. The monomodal emulsion is thereafter diluted with water and additional viscous hydrocarbon is admixed with the diluted monomodal emulsion under a second mixing energy sufficient to produce a bimodal emulsion wherein the average small hydrocarbon droplet size is less than or equal to 5 microns and the average large hydrocarbon droplet size is less than or equal to about 30 microns.

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