652results about How to "Scalable production" patented technology

The invention discloses a method for comprehensive treatment of oilfield waste, which is characterized by comprising the process steps of cleaning and separation, ultrasonic separation, tempering and destabilization, oil-water separation, centrifugal separation, mixed curing, air floatation separation, adsorption filtration, flocculating settling, oxidization electrolysis, deep purification and permeable filtration. Thus, the oilfield waste is treated and utilized in a classified manner, so that sump oil is recovered, the solid phase achieves the discharge standard of oilfield sludge treatment design specifications (SY / T6851-2012) or is reutilized for construction material manufacturing, and the liquid phase achieves the sewage comprehensive discharge standard (GB8978-1996) after being subjected to water treatment.

The invention discloses a method for preparing a polymeric nano-micro fiber non-woven fabric. The method comprises the following steps of: firstly, dissolving at least one polymer in at least one solvent to prepare spinning solution; then supplying the spinning solution to a spinneret plate with a series of spinneret orifices so as to make the spinning solution extruded from the spinneret orifices of the spinneret plate to form a trickle of the spinning solution; secondly, stretching and refining the trickle of the spinning solution by utilizing at least one high-speed jet airflow, and accelerating the volatilization of the solvent to form nano-micro fiber; and finally, collecting the nano-micro fiber on a web curtain by utilizing high-speed airflow and suction airflow. The polymer is a fiber-forming polymer; the solvent can dissolve the fiber-forming polymer and has the volatility; a jet angle of the high-speed airflow is between 15 and 60 degrees, and the jet velocity is at least 50 times higher than extrusion speed of the trickle of the spinning solution; the mass concentration of the polymer in the spinning solution is between 2 and 50 percent; and the viscosity of the spinning solution at a spinning temperature is between 10 and 100, 000mP.s.

This invention discloses a solar energy battery skylight and its manufacturing method aiming at producing a solar energy car skylight with arc by an arc lamination technology and turning the solar energy batteries serial or parallel on the arc of a car skylight glass to an integral arc structure and having the function of generation to improve the outlook of the skylight and overcome crisp in the large amplitude arc lamination.

The invention relates to a temperature and pH stimuli-responsive intelligent polymer microcapsule and preparation thereof. The microcapsule comprises two polymers sensitive to temperature and pH, and an interpenetrating network structure is formed between the two polymers. Preparation includes the following steps: (1) uniformly blending tetraethyl orthosilicate, aqueous ammonia, water and absolute ethyl alcohol, and then adding surface modifier; (2) adding temperature-sensitive monomer and crosslinking agent into the modified dispersion, and adding initiator for reaction; (3) after diluting the emulsion by five to fifteen times, adding pH-sensitive monomer and crosslinking agent, and adding initiator for reaction; and (4) dispersing the white emulsion of core-shell composite particles with shells formed into a interpenetrating polymer network structure into hydrofluoric acid, and carrying out centrifugal separation or dialysis purification. The microcapsule can respectively respond tothe stimulation of temperature and pH, and moreover, the two types of stimuli responsiveness are independent from each other, and therefore have little interference on each other. The preparation method is simple, and is suitable for industrial production.

The invention discloses anti-oxygenation maillard flavor peptides and a method for preparing the same. The anti-oxygenation maillard flavor peptides are prepared by using fish skin, which is waste from the processing of various fishes as a raw material and by the steps of pre-treatment, controlled enzymolysis, ultrafiltration, maillard reaction, ultrafiltration, drying and the like. The molecularweight range of the prepared maillard flavor peptides is between 1,000 and 5,000Da and the peptide content in the maillard flavor peptides is more than or equal to 90 percent. Tests indicates that the maillard flavor peptides prepared by the method can obviously improve delicate flavor, plumpness and delayed permeation property; simultaneously, the maillard flavor peptides are high in anti-oxygenation, and the oxidation resisting activity of the maillard flavor peptides is equal to commercial edible antioxidants; and the maillard flavor peptides not only obviously improve the delicate flavor,but also contain health-care ingredients, and is a novel natural and healthy flavor-development base material for flavorings.

The invention relates to a high energy storage density and efficiency polymer composite film and a preparation method thereof. The composite film is composed of a polyvinylidene fluoride matrix and nanofiber with a core-shell structure in the polyvinylidene fluoride matrix, a core layer of the nanofiber with the core-shell structure is ceramic fiber, and the case layer is a silica coating layer. Compared with prior art, the dielectric constant of the composite film can be adjusted by adjusting the content of ceramic fiber, simultaneously, dielectric loss tangent is less than 5%, breakdown field intensity is greater than 2000kV / cm, and energy storage density is 3-7J / cm<3>. The composite film can reduce interfacial polarization generated at a ceramic-compound interface, can increase the energy storage density of PVDF, can be used for capacitor and large power static energy storage materials, has the advantages of simple and practicable operation, low cost, convenience and rapidity, and enables large scale production.

The separation of single-walled carbon nanotubes (SWNTs), by chirality and / or diameter, using centrifugation of compositions of SWNTs in and surface active components in density gradient media.

Disclosed is a rice field eel fodder which is prepared from fish meal, flour, soya bean waste, brewer's yeast grease, cereal meal, calamari marrow powder, fish oil, anti-fungus agent, oxyneurine, rice field eel multivitamin, rice field eel minerals through the steps of weighing raw material, first mixing with blenders, ultramicro disintegrating, cleaning and roguing, second mixing with blenders, low-temperature bulking with swelling machines, drying with drying-machines, spraying fish oil through a grease outside spraying system, drying with a refrigerator, sifting with grading sieves and sacking.

A preparation method of graphene coated silica nanotube composite negative electrode material for lithium ion batteries is as follows: (1) dispersing zinc oxide nanorods to an ethanol solution, sequentially adding water, ammonia water and a TEOS solution to obtain zinc oxide / silica core-shell nanorods; (2) dispersing the products from the step (1) in to an aqueous solution of sodium chloride, and adding PDDA for modification; (3) dispersing the products from the step (2) and the graphene oxide into an aqueous solution, dropwise adding sodium borohydride to obtain graphene coated zinc oxide / silica core-shell nanorods; and (4) dispersing the products obtained from the step (3) in an excessive amount of acid solution to dissolve zinc oxide nanorods, so as to obtain the composite negative electrode material. According to the invention, zinc oxide nanorods are used as templates, and coated by silicon dioxide and graphene, and then the template is removed, so as to prepare the graphene coated silica nanotube composite material. The prepared composite material has the performances of high discharge capacity, long cycle life and high rate capability.

The invention relates to a polymer matrix composite and a preparation method thereof. The composite is a laminated film composed of a polyvinylidene difluoride matrix and a nano-fiber material dispersed in the polyvinylidene difluoride matrix. The nano-fiber material is of a core-shell structure, wherein a core layer is made of a ceramic fiber, and a shell layer is an aluminum oxide coating layer. The polymer matrix composite is prepared through the method comprises the following steps: (1) placing the ceramic fiber in mixed solution of aluminum nitrate, polyvinyl pyrrolidone and ethyl alcohol, and after uniform mixing, obtaining the nano-fiber material through sintering; (2) causing the nano-fiber material to undergo surface modification through a coupling agent, then adding the nano-fiber material into mixture of polyvinylidene difluoride and dimethylformamide, performing uniform mixing, pouring the mixture in a casting film machine to form a film through flow-casting, and performing drying to obtain the laminated film; (4) and causing the laminated film to undergo heating and heat insulation, quenching and drying, and obtaining the polymer matrix laminated film. Compared with the prior art, the polymer matrix composite has the advantages that the laminated film is high in energy density, good in energy storage efficiency, simple in preparation process and low in cost.

The separation of single-walled carbon nanotubes (SWNTs), by chirality and / or diameter, using centrifugation of compositions of SWNTs in and surface active components in density gradient media.

A layer of chromium metal is electroplated from trivalent chromium onto an electrically conducting substrate by immersing the substrate and a counter electrode in a electroplating bath and passing a modulated electric current between the electrodes. In one embodiment, the current contains pulses that are cathodic with respect to said substrate and in another embodiment the current contains pulses that are cathodic and pulses that are anodic with respect to said substrate. The cathodic pulses have a duty cycle greater than about 80%.

The invention discloses a high strength and toughness filiform crystal grain pure titanium. A microstructure is constituted by filiform crystal grains or by mixing of the filiform crystal grains and equiaxed crystal grains, wherein the length ratio of the long axes to the short axes of the filiform crystal grains is larger than 40, the size of the short axes is 10 [mu]m-10 nm, and the equiaxed crystal grains are recrystallized ultra-fine grains. The invention further discloses a preparation method of the high strength and toughness filiform crystal grain pure titanium. The preparation method comprises the following steps that (1) the orientation of the crystal grains is adjusted through equal-channel corner extrusion of 1-2 passes, and thus a titanium bar is obtained; (2) the titanium barobtained in the step (1) is subjected to multiple-pass rotary forging and then cut, and thus a titanium plate with the rectangular cross section is obtained; (3) then, the titanium plate is subjectedto annealing and multiple-pass controlled rolling circularly; and (4) the high strength and toughness filiform crystal grain pure titanium is obtained after annealing. The mechanical performance of the pure titanium is equivalent to that of alloy titanium, the high cost and complex technique of an alloy and elements of Al, V and the like which are harmful to organisms are avoided, and the high strength and toughness filiform crystal grain pure titanium can be preferentially used as joint type, dental type and support type organism implantable structural materials.