12results about How to "Shorten activation time" patented technology

The invention discloses a method for accelerating the activation speed of an electrolysis stack, which comprises the following steps: S1, introducing deionized water to the two sides of hydrogen and oxygen of the electrolysis stack, keeping the temperature of the deionized water to be T0, and keeping the electrode of the electrolysis stack to be fully wet; s2, activating the electrolytic stack by adopting a constant voltage strategy, controlling the average single battery of the electrolytic stack to be V1, controlling the water temperature at the outlet of the electrolytic stack to be T1, and adjusting the hydrogen pressure and the oxygen pressure at the outlet of the electrolytic stack to be P1 and P2 respectively; s3, under the set average single battery V1, along with the increase of the running time, the water temperature at the outlet of the electrolytic stack is gradually increased, the current density is continuously increased, and the hydrogen pressure and the oxygen pressure at the outlet are maintained to be P1 and P2; and S4, stabilizing for a period of time after the water temperature at the outlet of the electrolytic reactor rises to the specified operating temperature Tend until the average single-cell voltage of the electrolytic reactor does not change obviously, and completing the activation operation.

The invention discloses a coal gangue microwave-chemical synergistic activation method and activated coal gangue, the coal gangue microwave-chemical synergistic activation method comprises the following steps: (1) crushing coal gangue to obtain a crushed product; (2) mixing the crushed product with a composite activator, and performing microwave treatment to obtain an activated product; the composite activating agent comprises waste alkali liquor, fly ash aluminum extraction residues and water glass; and (3) drying, cooling and grinding the activated product to obtain the activated coal gangue. The microwave-chemical synergistic activation method for the coal gangue is high in activation efficiency, efficient destruction of crystal lattices of coal gangue minerals is achieved through the synergistic effect of microwaves and the composite activating agent, the activation time is shortened, the silicon-aluminum dissolution rate is increased, the silicon dissolution rate reaches 80% or above, the aluminum dissolution rate reaches 70% or above, the problem that single chemical activation is low in efficiency is solved, and the method is suitable for industrial production. And the obtained activated coal gangue product has high activity.

The invention relates to the technical field of high-capacity lithium supplement of lithium ion batteries, in particular to a gradient coating and conductive bridging synergistic composite lithium supplement agent and a preparation method thereof. Aiming at the problem that the improvement thought of the existing lithium supplement agent is difficult to consider structural stability, efficient transmission and interface compatibility, the invention provides the following technical scheme: the lithium supplement agent comprises an inner core, a middle layer, a buffer layer and a chemical bridging conductive network which are sequentially arranged from inside to outside; the inner core is a metal oxide with high lithium content, and the middle layer is of a gradient structure; the buffer layer is made of flexible lithiated polymer gel; and the chemical bridging conductive network is formed by chemically bonding an aminated carbon material and the buffer layer through an amidation reaction. Through collaborative design of gradient coating, the doped transition layer and the chemical bridging conductive network, inner core volume expansion is adapted, ion and electron transmission is enhanced, interface impedance is reduced, interface optimization from the structure to transmission is achieved, and the first effect and the cycling stability of the battery are improved.

The invention discloses a method and a device for integrating flash evaporation and lithium extraction. A flash evaporation and lithium extraction integrated device comprises a flash evaporation motor and a reaction kettle, a graphite bin and a cold fog leaching reactor are sequentially arranged in the reaction kettle from top to bottom, a movable partition plate is arranged between the graphite bin and the cold fog leaching reactor, an electrode transversely penetrating through an inner cavity of the reaction kettle is further arranged in the reaction kettle, and the electrode and the graphite bin are coaxially arranged. The flash motor is electrically connected with the electrode, a cylindrical groove for discharging a high-temperature activated material is formed in the bottom of the graphite bin, a sprayer is arranged on the cold fog leaching reactor, and a reaction kettle upper cover is arranged at the top of the reaction kettle. The invention proposes and realizes that the mixed waste powder is activated in an extremely short time to realize deintercalation of lithium from a spinel crystal structure, the lithium is preferentially extracted through water immersion under mild conditions, meanwhile, ferrophosphorus tailings generated by magnetic separation can be recycled in a system again, and the high-temperature flash steam is also subjected to simple temperature control, so that the energy consumption of the system is reduced. The separation of the fluorocarbon oil and the low-carbon gas is realized.

The invention relates to citron coffee fruit wine and a preparation method thereof, and belongs to the technical field of food processing. The citron coffee fruit wine is mainly prepared from coffee fruit peel, citron, sugar, yeast and water, coffee fruit peel powder and citron powder are weighed in proportion and placed in a fermentation tank, 6% of sweet water is added, the materials are stirred and mixed to be uniform, and the mixture is placed for 24 hours for sterilization treatment; activating saccharomyces cerevisiae by using 2% sweet water, stirring and dissolving, and activating at 30 DEG C for 30 minutes; adding the activated saccharomycetes into a fermentation tank, taking the saccharified liquid as a raw material, and performing sealed fermentation; after fermenting for 10-20 days, filtering, separating and clarifying to obtain a finished product of the citron coffee fruit wine. The coffee pericarp and citron are selected as two raw materials, brewing process parameters are optimized, the brewed coffee pericarp wine is richer in fruity flavor, the alcoholic strength is about 11% vol, the coffee pericarp wine better conforms to the drinking range of common fruit wine, and the coffee pericarp wine better meets the market requirements in the aspects of taste, flavor, alcoholic strength, functions and the like.

The present application relates to a kind of porous carbon material containing alkali metal element and its preparation method.The preparation method includes: (1) carbon material powder and transition metal salt solution are mixed, stirring, dry and placed in inert atmosphere high-temperature treatment, and the carbon material loaded with transition metal particles is prepared;(2) the carbon material loaded with transition metal particles obtained is mixed with alkali metal-containing basic substance, stirring, drying, with inert gas as carrier gas, and after being calcined by reaction gas, in-situ generation of alkali metal element on the surface or interlayer of the carbon material loaded with transition metal particles;(3) the carbon material obtained in step (2) is washed by water, and treated by oxidizing agent to obtain the porous carbon material containing alkali metal element.

The application discloses a kind of based on surface acoustic wave activation electrochemical microorganism device and method, the device includes electrolytic cell main body, working electrode, surface acoustic wave excitation module;The working electrode, attached electrochemical microorganism;The surface acoustic wave excitation module, by applying alternating signal generates surface acoustic wave, surface acoustic wave spreads to working electrode area, and acts on the electrochemical microorganism attached on working electrode.The method includes that reference electrode, working electrode, counter electrode are accessed electrochemical workstation;Start surface acoustic wave excitation module, and alternating signal is applied to the interdigital transducer in this surface acoustic wave excitation module, for generating Rayleigh wave;Through peristaltic pump, bacteria liquid is placed into device, and after flowing through working electrode, it is discharged to sterile container, and this step is recycled 3-5 times.

The invention provides chymotrypsinogen and application thereof, and particularly relates to a protein tag for improving the activation efficiency of recombinant chymotrypsinogen. Compared with naturally extracted human chymotrypsinogen, the recombinant chymotrypsinogen fused with the protein tag has significantly improved activation efficiency. The invention also relates to a recombinant chymotrypsinogen containing the protein tag, a nucleic acid molecule for coding the recombinant chymotrypsinogen, a vector containing a nucleotide sequence of the nucleic acid molecule, a nucleic acid construct and a host cell. In addition, the invention also relates to a method for expressing the recombinant chymotrypsinogen.

The present invention belongs to the technical field of activated carbon production equipment, and specifically relates to a powdered activated carbon production equipment, comprising a carbonization furnace, a primary activation furnace, a steam furnace and a secondary activation furnace, wherein the carbonization furnace, the primary activation furnace and the secondary activation furnace are connected in sequence through a transmission mechanism and are used to transmit materials, the steam furnace is connected to the primary activation furnace, and further comprises a primary crusher and a secondary grinder, wherein the primary crusher is connected between the carbonization furnace and the primary activation furnace and is used to crush charcoal, the secondary grinder is connected between the primary activation furnace and the secondary activation furnace and is used to grind charcoal particles after primary activation, and further comprises a first collecting tank, wherein the input end of the first collecting tank is respectively connected to the first activation chamber and the second activation chamber, and the output end of the first collecting tank is connected to the second combustion chamber; the present invention can improve the preparation effect and activation uniformity of activated carbon, and can save energy.

The invention relates to the technical field of agricultural water and fertilizer retention materials, and particularly provides a preparation process of core-shell structure weather-proof straw-based water and fertilizer retention integrated granules. The method comprises the following steps: (A) straw pretreatment and microwave-assisted activation: A1, crushing straws to 20-40 meshes, adding urea accounting for 2% of the dry weight of the straws, adjusting the water content to 60%, carrying out high-temperature aerobic composting at 55-65 DEG C for 15-20 days, and screening to obtain a 40-80-mesh cellulose crude product; a2, adding a 5wt% sodium hydroxide aqueous solution according to 30% of the dry weight of the cellulose crude product, uniformly stirring, and treating for 5 minutes by using 300W microwaves; the water retention agent has the following beneficial effects that the inner core takes high-activity straw cellulose as a core, and the water retention rate is greater than or equal to 350 times; humic acid (fertilizer retention), lignin (controlled degradation) and sodium alginate (weather resistance) are integrated in the shell, the problem of function splitting of water retention, fertilizer retention and weather resistance is solved, the particles are resistant to exposure to the sun (without cracking within 3 months) and rain (the loss rate is smaller than or equal to 5%), and the water retention validity period is prolonged to 6-8 months.