68results about How to "Reduce coalescence" patented technology

System, including methods, apparatus, compositions, and kits, for making and using a stabilized emulsion. A method of generating a stabilized emulsion is provided. In the method, an aqueous phase may be provided. The aqueous phase may include an effective concentration of one or more skin-forming proteins. An emulsion may be formed. The emulsion may include droplets of a dispersed phase disposed in a continuous phase, with the aqueous phase being the continuous phase or the dispersed phase. The emulsion may be heated to create an interfacial skin between each droplet and the continuous phase, to transform the droplets into capsules.

Method of analyzing genomic DNA. Genomic DNA including a target may be obtained. The genomic DNA may be fragmented volitionally to produce fragmented DNA. The fragmented DNA may be passed through a droplet generator to generate aqueous droplets containing the fragmented DNA. An assay may be performed on the droplets to determine a level of the target. In some embodiments, the droplets may contain the genomic DNA at a concentration of at least about five nanograms per microliter, the droplets may be generated at a droplet generation frequency of at least about 50 droplets per second, the droplets may have an average volume of less than about 10 nanoliters per droplet, the droplets may generated at a flow rate of greater than about 50 nanoliters per second, or any combination thereof.

A stripping apparatus for desorbing gases from solid particles through which flows counter-currently a stripping fluid is described, which comprises a series of sets of at least two parallel, segmented, baffle plates each, with the segmented baffles being oriented so that the rows are offset relative to rows of other levels, where the thickness and separation of said sets of baffles is so dimensioned as to reduce coalescence of the size of the formed bubbles and optimize the hydrocarbons desorption from said fluidized solid particles. The solid particles are mainly spent catalyst particles from a FCC process. The stripping process to be carried out in a fluidized bed comprises contacting the spent catalyst with a stripping fluid that flows upwardly in the fluidized bed in the form of bubbles. Adsorbed hydrocarbons present in the spent catalyst are transferred from the catalyst emulsion that flows downwardly to the upwardly moving bubbles, so as to promote the efficient recovery of cracked products.

The invention relates to a lanthanum-modified nickel-copper octanol hydrorefining catalyst, preparation and application thereof. The catalyst is prepared by taking Gamma-Al2O3 as a carrier, taking lanthanum as an auxiliary agent, taking nickel-copper as a active component and adopting an immersion method; and the aluminum oxide accounts for 40-90%in the terms of 100% by mass, the content of nickel is 1-40% in the terms of NiO, the content of copper is 1-30% in the terms of CuO, and the lanthanum as the auxiliary agent is 0.1-10% in the terms of La2O3; and a hydrogenation evaluation result indicates that the catalyst is reduced at a temperature of 350-550 DEG C, and under the conditions that the reaction temperature is 120 DEG C, the reaction pressure is 2.5MPa, the volume ratio of hydrogen to liquid is 8:1 and the volume air speed is 3.0h<-1>, the hydrogenation rates of unsaturated substances such as octylene aldehyde, isooctyl aldehyde and octylene alcohol are all more than 95%.

The invention discloses a jet aeration reactor for industrial or urban sewage treatment, which comprises a nozzle, a top nozzle member, a self-induced vibration mixing chamber, a lower nozzle member and short tube, wherein the air intake duct is arranged on the top nozzle member and is in communication with the induction chamber in the top nozzle member, the nozzle through-hole, the induction chamber in the top nozzle member, the self-oscillation mixing chamber, the lower nozzle member and the short tube are in communication.

System, including methods, apparatus, compositions, and kits, for assays with an emulsion including capsules. A method of performing an assay is provided. In the method, an aqueous phase may be provided. The aqueous phase may include a sample and an effective concentration of one or more skin-forming proteins. An emulsion may be formed. The emulsion may include droplets of the aqueous phase disposed in a nonaqueous continuous phase. The emulsion may be heated to create an interfacial skin between each droplet and the continuous phase, to transform the droplets into capsules. Assay data related to the sample may be collected from the capsules.

The invention relates to a high-dispersion type catalyst for liquid phase hydrogenation of an octanol mixture and preparation and application thereof. According to the invention, gamma-Al2O3 is used as a carrier, rare earth element lanthanum is used as a carrier modification auxiliary agent, nickel is used as a main active component, and copper and manganese are used as active auxiliary agents; in terms of mass (100%), the carrier accounts for 40 to 95% of the catalyst, the carrier modification auxiliary agent rare earth element lanthanum accounts for 0.1 to 12% in terms of La2O3, the content of the main active component nickel accounts for 1 to 30% in terms of NiO, the content of the active auxiliary agent Cu is 0.5 to 15% in terms of CuO, and content of the active auxiliary agent Mn is 0.5 to 10% in terms of MnO. According to the invention, through rare earth element surface modification and hydro-thermal deposition, the size and dispersity of active component particles can be effectively controlled, the content of surface active species is increased, and the catalyst has higher catalytic hydrogenation activity and stability on unsaturated components like octenal, isooctanol and isooctenal in the octanol mixture.

An inkjet printing system, comprises: a printer, a pigment ink composition, and a dry recording media supply for receiving ink, the media comprising a support bearing an ink-receiving layer containing a complex of a polyvalent metal cation and a ligand, wherein the complex has a stability constant, K1, in the range of 0.3 to 6.0. The system gives images with excellent gloss, coalesence, and image quality.

An inkjet recording element is disclosed having a support and, on the support, (a) a porous base layer comprising particles of fumed silica and a hydrophilic binder and (b) a porous gloss layer above the base layer comprising particles of colloidal silica and a hydrophilic binder, wherein the particles of fumed and colloidal silica are anionic. Also disclosed is a method of printing on such an inkjet recording element. The inkjet recording element can potentially have, in some embodiments, the advantages of improved image quality (reduced coalescence) and higher dye ink optical densities.

The invention discloses a preparation method of a polysilicon oxide microsphere with active groups, which comprises the steps that (1) ethanol, catalyst and deionized water are evenly mixed and are added with four silicone monomer and three silicone monomer; the obtained solution is evenly stirred and mixed, and then mixture reacts for 3 to 20 hours at the temperature of -5 to 100 DEG C; (2). the obtained solution from step (1) is filtrated, and the obtained cake is washed by deionized water, toluene or tetrahydrofuran, then is dried to get the finished product, polysilicon oxide microsphere. The method of invention is simple in operation, low in cost and short in production period. The polysilicon oxide microsphere can be widely applied to such fields as catalyst carrier, filler of chromatographic column, substrate for fixing enzyme, insulation device, carrier for control released drug and other chemical products, adsorbent, filler, cigarette filtration material and other application on filtration and separation.

A coated gas bubble for recovering oil from oil-containing samples is provided, comprising a gas bubble and a coating mixture comprising a hydrophobic coating agent and a coating promoting additive, wherein the coating promoting additive is present in an amount sufficient to promote the substantially continuous coating of the gas bubble with the hydrophobic coating agent. A method for forming such coated gas bubbles and a method for recovering oil from oil-containing samples using coated gas bubbles is further provided.

The invention belongs to the field of antioxygen, in particular to an emulsion antioxygen and a preparation method thereof. The emulsion antioxygen is emulsified and compounded by the following raw material reagents at the proportion: main antioxygen, auxiliary antioxygen, emulsifying agent, dispersing agent and defoaming agent. The emulsion antioxygen has better oxidation resistance than other similar antioxygens and can achieve the optimal oxidation resistance effect, and the total solid content of the emulsion antioxygen is more than 52%. The emulsion antioxygen has the advantages of good oxidation resistance effect, big activity, low volatility, high durability, no pollution and the like and is especially suitable for protecting tint and pollution-free color polymer thereof. The emulsion antioxygen can be favorably dispersed in ABS (Acrylonitrile Butadiene StyreneAcrylonitrile Butadiene Styre) rubber latex, is ideal antioxygen used preparing ABS by emulsion polymerization and has excellent dispersibility. According to the emulsion antioxygen, the heating oxygen aging time of the ABS resin can be prolonged in the ABS production, the oxidation inducing temperature of the ABS resin is improved, the phenomenon that the ABS resin becomes yellows in the production and processing process thereof can be prevented, the strength of a product can be improved, and the oxidation resistance problem for preparing ABS by emulsion polymerization can be solved.

The present invention relates to dispersions of hydrophobic pharmaceutically active agents in an aqueous phase and methods for preparing them. Advantageously, the dispersions may be substantially free of additional surfactants, dispersants and stabilizers.

System, including methods, apparatus, and kits, for forming emulsions. In an exemplary method of generating droplets, a device may be selected that includes a plurality of emulsion-formation units each including a sample well, a continuous-phase well, a droplet well, and a channel network that fluidically interconnects the wells and creates a droplet-generation region. A discrete volume of sample-containing fluid may be placed into the sample well of each emulsion-formation unit, and a discrete volume of continuous-phase fluid into the continuous-phase well of each emulsion-formation unit. Pressure may be applied to the device with a fluidics assembly after the step of placing, such that the plurality of emulsion-formation units generate droplets in parallel with one another. A pressure signal may be detected from the fluidics assembly. Application of the pressure may be stopped when the pressure signal indicates that a sample well is empty.

The invention provides a preparation method of a high-performance mesoporous silica-chitosan composite antibacterial filter. The preparation method comprises the following steps: (1) firstly, uniformly mixing a glacial acetic acid aqueous solution with chitosan to prepare a chitosan-acetic acid solution, then mixing and stirring the chitosan-acetic acid solution with 3-glycidyl ether trimethoxysilane overnight, adding mesoporous silica powder into the overnight solution, stirring and centrifuging, and then washing with ultrapure water to obtain a chitosan-mesoporous silica composite material;and (2) adding water into the chitosan-mesoporous silica composite material prepared in the step (1) to prepare a solution with the concentration of 100g/L, compounding the solution with a non-woven fabric, carrying out pre-drying and baking treatment on the composite sample, and carrying out ultraviolet curing to prepare the antibacterial filter. According to the prepared filter, the antibacterial rate reaches 90% or above, meanwhile, ultrafine particles in air can be effectively filtered out, and the effective haze prevention effect is achieved.

The invention discloses a preparation method for preparing a porous gelatin film from a GO (graphene oxide) stabilized Pickering emulsion. The method comprises the steps as follows: a proper amount ofGO is added to deionized water, a GO suspended dispersion liquid is prepared, and ultrasonic treatment is performed; a gelatin solution is dissolved in the GO suspension, benzoate is added to serve as an oil phase, and ultrasonic treatment is performed; a sample in placed in a water bath, then casting is performed, and a non-crosslinked film is obtained; the non-crosslinked film is impregnated ina solution containing a crosslinking agent for a period to be crosslinked, then, the film is washed with ethanol and deionized water, finally, the film is dried, and the gelatin film adopting a porous structure is obtained. The preparation process for preparing the porous gelatin film from the Pickering emulsion is simple, green, environmentally friendly, has low equipment requirement, high aqueous solution stability and uniform porous structure, is prone to large-scale production and has wide application prospects in wastewater separation, gas separation, food emulsification, catalysis, heavy metal ion detection and other fields.