Intevep, S.a.

Gustavo A Núnez

Carolina Blanco

Clara E Mata

Hercilio Rivas

Manuel Chirinos

Felix Abraham Silva

Tulio Rafael Colmenares

Gerardo Alonso Sánchez

A process for preparing a solution of a liquid additive in a liquid base wherein the liquid additive tends to gel when mixed with the liquid base at temperatures less than a gelling temperature Tincludes the steps of providing a stream of the liquid base at a temperature Twhich is greater than ambient temperature and less than the gelling temperature T; feeding the stream to a mixer having a mixer inlet so as to impart energy to the stream; and adding the liquid additive to the stream downstream of the inlet, whereby the liquid additive mixes with the liquid base and the energy inhibits gelling of the liquid additive.

Process for preparing solutions with additives and surfactants

A process for preparing a bimodal emulsion of viscous hydrocarbon in water includes providing a stream of water at ambient temperature; providing a liquid additive that tends to gel when mixed with water at temperatures less than a gelling temperature T; heating the stream to provide a heated stream at a temperature Twhich is greater than ambient temperature and less than the gelling temperature T; feeding the heated stream to a mixer having a mixer inlet so as to impart energy to the heated stream; adding the liquid additive to the heated stream downstream of the mixer inlet, whereby the liquid additive mixes with the stream and the energy inhibits gelling of the liquid additive to provide a substantially homogeneous solution of additive in water. The solution is then divided and used to make two different droplet sized emulsions which are mixed to form the bimodal emulsion.

Manufacture of stable bimodal emulsions using dynamic mixing

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Miranda, Venezuela

Gustavo A Núnez