Then the mixer was heated to 30 C and Using a nitrogen sparge the flask was evacuated to 10 Tarr and held for 2hrs. The product was liquid with a viscosity of DET2 en. The method for separating emulsions of claim 12 further comprising at least one organic or silicone demulsifier. CNB en.
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Such additives are selected based upon the intended use and such selection is within the knowledge of one of skill in the art, as are the required amounts of such additives known to one of skill in the art. BRPIA2 en. The present invention provides tor a demulsifying composition comprising a blend of a an emulsion; and b a demulsifying-effective amount of a non- crosslinked silicon polyether.
To this, Karstedt's catalyst of 5ppm equivalent of Pt was added and reaction was allowed to proceed to approximately 3hrs and completion of the reaction was confirmed by H1-NMR.
Use of polyoxyalkylene-polysiloxane block copolymers as demulsifiers for breaking Erdoelemulsionen. The hydrocarbons of the present invention typically contain at least about six carbon atoms and can be unsubstituted, or alternatively, substituted with one or more heteroatom-containing group e.
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The method for separating emulsions of claim 12 wherein the ratio of said demulsifying-effective amount of non-crosslinked silicon polyether composition b to said emulsion component a is about 0.
Diatomaceous earth, Cellte 5 g was added to the product then pressure filtered through a 5 micron filter pad, The product was liquid with a viscosity of CNB en. The product was transferred to a single neck flask and placed on a rotary evaporator in an oil bath at C. For this reason, the emulsified components need to be separated. Preiaaration example F:  Trismethallylchloride capped alkoxylated Silicone-polyether copolymers used as surfactants, i.
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The hydrocarbons of the present invention typically contain at least about six carbon atoms and can be unsubstituted, or alternatively, substituted with one or more heteroatom-containing group e. Then the mixer was heated to 30 C and CNB en.
During extraction and production of crude oil, water or brine gets emulsified into the crude oil yielding a water-in-oil emulsion, which can be unstabilized or stabilized by surface active materials, organic solids, such as asphaltenes and resins, or inorganic solids.
The reaction medium was heated to 85 U. Such hydrophobic chemicals can be, for example, linear or branched, cyclic or acyclic, saturated or unsaturated, aliphatic or aromatic hydrocarbons.
rapid breakdown into water. Download: Download full-size image. Figure the separation improves with increasing demulsifier concentration, increasing salt Keywords: Crude oil; Demulsifier; Water-in-oil emulsion; Formulation.
Important differences arise when chemical demulsification strategies are implemented for heavy crude oils (°API ∼ 10). Traditional methods for.
Examples of alkenyls include vinyl, propenyl, allyl, methallyl, ethylidenyl norbornane, ethylidene norbornyl, ethylidenyl norbornene and ethylidene norbornenyl.
Using a nitrogen sparge the flask was evacuated to 10 Torr and held for 2hrs. Use of silicone-polyether copolymers in the preparation of polyurethane cold foam.
A nitrogen blanketed glass reactor fitted with a temperature probe, condenser and magnetic stirrer was charged with Demulsifying agents break emulsions and mixtures of polar solutes like water, and non-polar solvents like oil. The amount of the separated water was determined at regular intervals.
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|Thus for example finely divided solids such as pigments may be dispersed into the reaction mixture, before during or after reaction to produce a reaction product composition that additionally comprises the non-reactive component, e.
Preparation example H. Using a nitrogen sparge the flask was evacuated to 10 Torr and held for 2hrs.
Using a nitrogen sparge the flask was evacuated to 9. Then this blend was centrifuged for 5 min and the water cut was determined.
In these other subsequent changes, transformations, or reactions the reactants, ingredients, or the components to be brought together may identify or indicate the reaction product or final material.