47results about How to "Easy to break emulsion" patented technology

Disclosed are processes for obtaining a microbial oil comprising one or more polyunsaturated fatty acids (PUFAs) from one or more microbial cells by lysing the cells to form a lysed cell composition and then recovering the oil from the lysed cell composition. Further disclosed is microbial oil comprising one or more PUFAs that is recovered from microbial cells by at least one process described.

Disclosed herein are processes for obtaining a microbial oil comprising one or more polyunsaturated fatty acids (PUFAs) from one or more microbial cells by lysing the cells to form a lysed cell composition and then recovering the oil from the lysed cell composition. Further disclosed herein is microbial oil comprising one or more PUFAs that is recovered from microbial cells by at least one process described herein.

The present invention describes soap-free emulsion polymerization process to prepare fluorous emulsion. The fluorous emulsion is prepared with trifluorochloroethylene as main component and through the ternary copolymerization of three kinds of monomer including trifluorochloroethylene, alphatic olefine ester and alphatic olefine acid; and has homogeneous grains and high storage stability. The copolymerization is completed in a high pressure reactor with water, monomers and initiator, at 65-75 deg.c and 0.7-2.5 MPa condition for 20-45 hr. The fluorous emulsion has solid content of 21-35 %, and polymer number average molecular weight of 7000-9500, and may be stored stably for over 6 months without lamination and gelatinizing.

The invention discloses a device and method for demulsification of water-in-oil emulsion, which comprises an injection pump A, an injection pump B, an intermediate container A, an intermediate container B, an intermediate water container, an intermediate oil container, a high-pressure demulsification reaction kettle, A core holder and a collection container; the intermediate water container and the intermediate oil container are arranged in parallel, and the two ends are respectively communicated with the injection pump B and the core holder; the top of the high-pressure demulsification reactor is provided with two interfaces, one The interface is connected with the core holder, and the other interface is connected with the intermediate container A and the intermediate container B. The side of the high-pressure demulsification reactor is provided with a collection port, and the collection port is connected with the collection container; the intermediate container A is connected with the injection Pump A is connected. The present invention can simultaneously collect the volumes of the oil phase and the water phase during the physical simulation experiment, and accurately measure the volumes of the produced oil and water phases in real time, thereby ensuring the accuracy of the calculation of the oil displacement efficiency and the water content of the produced fluid , further improving the accuracy of the experiment.

The invention relates to a preparation method of a water-soluble anion polymer-type thickened oil viscosity reducer. The thickened oil viscosity reducer comprises a component A and a component B; thecomponent A is an acrylamide copolymer containing acryloyl morpholine blocks; the component B is an acrylamide copolymer containing active end groups. A thickened oil viscosity reducer solution is mixed with thickened oil; it is proved through viscosity reduction tests that when the dosage reaches 0.2 mg / mL, the viscosity reducer can achieve high-temperature stirred emulsification and viscosity reduction in pure water and salt water, the viscosity reduction rate is greater than 93%, and stirred demulsification is stopped at room temperature. The thickened oil emulsification viscosity reducer is obvious in viscosity reduction effect and high in environmental adaptability, the emulsification and viscosity reduction behaviors of the thickened oil viscosity reducer have temperature and shearing responsiveness, and convenience is provided for application and post-treatment in oil fields.

The invention discloses a nano-emulsion oil-displacing agent synthesized by a one-step method. The nano-emulsion oil-displacing agent dispersion is prepared with injected water and pumped into the formation. The nano-emulsion oil-displacing agent is spontaneously enriched at the oil-water interface, and Under the induction of formation shear, the Pickering emulsion is formed by directional adsorption at the oil-water interface. Under the condition of water content in the reservoir, the viscosity of the emulsion is directly proportional to the formation water saturation and inversely proportional to the formation oil saturation, thereby automatically adjusting the oil-water interface. Mobility, stable displacement front, enhanced oil recovery. Nano-emulsification oil displacement agent can also be used in combination with surfactants to enhance oil recovery through the synergy of in-situ emulsification viscosity increase and ultra-low interfacial tension oil washing. The principle of the method is reliable, the raw material is cheap and easy to obtain, the economic benefit is outstanding, and the method has broad industrial application prospects.