49results about How to "High accumulation rate" patented technology

The present invention relates generally to an electrical charge storage device (ECSD) with enhanced power characteristics. More particularly, the present invention relates to enhancing the current density, voltage rating, power transfer characteristics, frequency response and charge storage density of various devices, such as capacitors, batteries, fuel cells and other electrical charge storage devices. For example, one aspect of the present invention is solid state and electrolytic capacitors where the conductor surface area is increased with smooth structures, thereby reducing the distance separating the conductors, and improving the effective dielectric characteristics by employing construction techniques on atomic, molecular, and macroscopic levels.

The present invention relates generally to an electrical charge storage device (ECSD) with enhanced power characteristics. More particularly, the present invention relates to enhancing the current density, voltage rating, power transfer characteristics, frequency response and charge storage density of various devices, such as capacitors, batteries, fuel cells and other electrical charge storage devices. For example, one aspect of the present invention is solid state and electrolytic capacitors where the conductor surface area is increased with smooth structures, thereby reducing the distance separating the conductors, and improving the effective dielectric characteristics by employing construction techniques on atomic, molecular, and macroscopic levels.

A fusion protein that is expressed in a recombinant protein body-like assembly (RPBLA) in host eukaryotic cells and organisms is disclosed. More particularly, a biologically active polypeptide fused to a protein sequence that mediates the induction of RPBLA formation is expressed and accumulated in host cells after transformation with an appropriate vector. The eukaryotic host cell does not produce protein bodies in the absence of the fusion protein. Methods for preparing and using the RPBLAs and the fusion protein are also disclosed, as are nucleic acid molecules that encode the fusion proteins.

The invention provides a device and a method for strengthening multistage A / O process biological nitrogen removal, and belongs to the technical field of sewage treatment. The multistage A / O process is a three-stage A / O process, namely an anoxic zone A-I, an aerobic zone O-I-I, an aerobic zone O-I-II, an anoxic zone A-II, an aerobic zone O-II-I, an aerobic zone O-II-II, an anoxic zone A-III, an aerobic zone O-III-I and an aerobic zone O-III-II in sequence, and the volume ratio of each aerobic zone to each anoxic zone is (0.8-1): 1. Float glass balls are respectively filled in the A-I, O-I-II, A-II, O-II-II, A-III and the O-III-II; three-dimensional sponge fillers are respectively filled in the O-I-I, O-II-I and the O-III-I; the device is used for feeding water into the aerobic zones in three segments in parallel, and nitrification liquid flows back to the anoxic zone A-I from the aerobic zone O-III-II. The device and the method provided by the invention can be used for reducing the sludge, and meanwhile strengthening the SND phenomenon, improving the accumulation rate of nitrous oxide, saving a denitrification carbon source and improving the removal rate of total nitrogen.

The invention provides a device and a method for treating high-concentration nitrate wastewater and urban sewage by partial denitrification and anaerobic ammonia oxidation, and belongs to the field of sewage bio-treatment. Nitrate wastewater and urban sewage enter a partial denitrification reactor, nitrate is reduced into nitrite through heterotrophic denitrification strains by using biodegradable organic carbon sources in the urban sewage, effluent enters an anaerobic ammonia oxidation reactor, and ammonia nitrogen and nitrite in the urban sewage are subjected to anaerobic ammonia oxidation reaction to generate nitrogen. By adopting the device and the method, synchronous nitrogen removal of the high-concentration nitrate wastewater and the urban sewage is realized, additional carbon sources are not needed, the operational management is convenient, the operating cost is reduced, the consumption of energy is reduced, and the denitrification efficiency is high.

A method for realizing heterotrophic and autotrophic coupling advanced nitrogen removal and simultaneous sludge reduction in an anaerobic-aerobic-anoxic sequencing batch reactor (AOA-SBR) is disclosed. Municipal sewage and sludge fermentation mixture is allowed to simultaneously enter into the AOA-SBR; in the anaerobic stage, the organic matter in the sewage and sludge fermentation mixture is converted into polyhydroxyalkanoates (PHA) and stored in the body; in the aerobic stage, the dissolved oxygen (DO) at 0.5˜1 mg / L is maintained by a real-time control, the aeration time is set for 1˜3 h, and when the mass concentration ratio of NO2−—N to NH4+—N is in a range from 1.5 to 2.0, the aeration is stopped, that is, ammonia-nitrogen is partially converted into nitrite-nitrogen through short-cut nitrification; in the anoxic stage, the remaining ammonia-nitrogen and nitrite-nitrogen undergo anaerobic ammonia oxidation (anammox), and meanwhile the remaining nitrite-nitrogen and nitrate-nitrogen generated by anammox is reduced by denitrifying bacteria to nitrogen to achieve advanced nitrogen removal. A related apparatus is also provided, which simultaneously realizes advanced nitrogen removal of sewage and reduction of sludge.

The invention provide a device and method for treating municipal wastewater with a low C / N ratio through a silicon source adsorption / nitrification / partial denitrification / anaerobic ammonia oxidation coupling process, and belongs to the field of wastewater treatment. According to the method, municipal domestic wastewater enters an adsorption tank at first, and most organic substances in the wastewater are adsorbed by activated sludge through mixed aeration; after precipitation, a supernatant enters a nitrification / partial denitrification / anaerobic ammonia oxidation reactor, and part of the sludge enters a fermentation tank; low-oxygen aeration is carried out after the supernatant enters a nitrification / partial denitrification / anaerobic ammonia oxidation reactor, and then short-cut nitrification and anaerobic ammonia oxidation are carried out synchronously; short-cut nitrification is not strictly controlled, so that part of ammonia nitrogen is subjected to complete nitrification; after the reaction is finished, the content of nitrate nitrogen in the nitrification / partial denitrification / anaerobic ammonia oxidation reactor is very high, and meanwhile the fermented supernatant is pumped for anoxic stirring; by use of a silicon source in a fermentation solution, nitrate nitrogen is reduced to nitrite nitrogen for an anaerobic ammonia oxidation reaction with ammonia nitrogen in the fermentation solution, so that total nitrogen in the municipal domestic wastewater can be efficiently removed.

The invention discloses a device and a method for enhancing advanced nitrogen and phosphorus removal from municipal wastewater by using an excess sludge anaerobic fermentation mixture through two stages of SBRs (sequencing batch reactors), and belongs to the field of biochemical treatment of wastewater. The device comprises an excess sludge fermentation tank, a sludge storage tank, a raw water tank, an intermediate water tank, the two SBRs, an air compressor and a peristaltic pump. The method comprises the steps that a domestic wastewater and excess sludge fermentation mixture enter the first SBR firstly for anaerobic phosphorus release, shortcut nitrification and anoxic denitrifying phosphorus accumulation; drained water from the first SBR enters the intermediate water tank and then enters the second SBR, NH4<+>-N and NO2<->-N, which are not nitrified and produced through fermentation of hydrolytic acidification organisms, in the drained water are continuously subjected to further nitrification, meanwhile, phosphorus-accumulating organisms accumulate phosphorus sufficiently, and finally, advanced nitrogen and phosphorus removal from the domestic wastewater is realized. The device and the method are applicable to enhanced nitrogen and phosphorus removal from the municipal wastewater with low C / N and C / P, carbon sources are saved, the nitrogen and phosphorus removal efficiency is increased, and sludge reduction treatment is realized.

The invention provides a device and a method for treating low-C / N municipal sewage by pre-positioned short-range denitrification-anaerobic ammonia oxidation and belongs to the technical field of biological sewage treatment. The device provided by the invention comprises a raw water tank, a pre-positioned short-range denitrification reactor, an intermediate water tank and an anaerobic ammonia oxidation reactor. The method comprises the following steps: firstly, enabling the municipal sewage to enter the pre-positioned short-range denitrification reactor and carrying out short-range denitrification by utilizing organic matters in domestic sewage and nitric nitrogen which is remained on the last period; secondly, enabling the sewage into an anaerobic ammonia oxidation reactor and carrying out autotrophic nitrogen removal; meanwhile, draining water from the pre-positioned short-range denitrification reactor and carrying out aerobic aeration to generate the nitric nitrogen. According to the device and the method, provided by the invention, a carbon source in domestic sewage can be sufficiently utilized for carrying out the short-range denitrification and the ratio of an anaerobic ammonia oxidation substrate is controlled through a water draining ratio, so that energy sources are saved; the device and the method are easy to control and high in stability, and an effective way is provided for application of a mainstream anaerobic ammonia oxidation technology and deep denitrification of the low-C / N municipal sewage.

A quick largest nitrite accumulation method in denitrification process belongs to the technical field of biological treatment of sewage. According to the method, the largest nitrite accumulation method in denitrification process can be realized by inoculation of primary sludge, and the method includes the following steps: the primary sludge is used as inoculation sludge, mixed liquid sludge concentration MLSS after inflow is maintained in 2000-4000mg / L; sodium acetate is added to be used as a denitrification carbon source, COD / NO<->-N after addition is controlled between 2.5 and 3.5; the reactor pH value is controlled between 9 and 9.5, and ultimately the conversion from nitrate to nitrite can be realized. The method is easy to control and simple in operation, the inoculation sludge is rich in source, effluent nitrite accumulation rate reaches 85% to 95%, and the inoculation sludge can be used as an anaerobic ammonia oxidation reaction electron acceptor source.

The invention provides a device and method for deep denitrification of domestic sewage through the combination of intermittent-aeration-mode simultaneous nitrification and denitrification with short-range denitrification anaerobic ammonium oxidation, belonging to the field of biological treatment of sewage. The device comprises an excess sludge fermentation cylinder, a sludge-water separator, a raw water tank, an intermediate water tank, two sequencing batch SBR reactors, an air compressor, a peristaltic pump, and the like. The method comprises the following steps: add domestic sewage into thefirst sequencing batch reactor, and removing all the ammonia nitrogen and the most of total nitrogen through simultaneous nitrification and denitrification in an intermittent aeration mode; and allowing discharge water of the previous step and sludge fermentation broth obtained after sludge-water separation to enter the second sequencing batch reactor, and removing left nitrite and nitrate nitrogen through coupled short-range denitrification-anaerobic ammonium oxidation so as to eventually realize deep denitrification of domestic sewage. The device and method of the invention are applicable to low-C / N urban domestic sewage, and can reduce aeration amount and energy consumption, homogenize the concentrations of organic matters in the domestic sewage, slow down the consumption speed of organic matters, improve nitrogen removal efficiency and realize recycling of excess sludge.

The invention discloses a preparation method of a porous preform. The preparation method comprises the following steps of S100, stacking inorganic salt particles in a container with a closed bottom end to form an inorganic salt particle accumulation body; S200, enabling the inorganic salt particle accumulation body to have initial compactness in the container by adopting a compaction method; S300,applying a downward constant pressure of 1-10 MPa to the upper part of the inorganic salt particle accumulation body, heating the container filled with the inorganic salt particle accumulation body to 0.2-0.8 Tm at a heating rate of 5-20 DEG C, and carrying out heat preservation; and S400, keeping the temperature for 1-8 hours, so that the inorganic salt particles creep and deform. The inventionalso discloses a porous preform. The invention further discloses a preparation method of the foam metal. The invention further discloses the foam metal.

A water treatment system for producing a sodium hypochlorite solution to control bacteria levels in well water containing: a pH adjuster; a container containing solid calcium hypochlorite for producing a calcium hypochlorite solution; and a container containing solid sodium carbonate for producing the sodium hypochlorite solution and a method of controlling bacteria levels in well water by using intermittent injections of a sodium hypochlorite solution with alternating pH values.

A water treatment system for producing a sodium hypochlorite solution to control bacteria levels in well water containing: a pH adjuster; a container containing solid calcium hypochlorite for producing a calcium hypochlorite solution; and a container containing solid sodium carbonate for producing the sodium hypochlorite solution and a method of controlling bacteria levels in well water by using intermittent injections of a sodium hypochlorite solution with alternating pH values.

The invention relates to the field of sewage treatment, in particular to a method for short-cut nitrification treatment of sewage. The short-cut nitrification sewage treatment method comprises the following steps: adding a short-cut nitrification accelerator into sewage, the short-cut nitrification accelerator comprising 2-30 parts by weight of inorganic hydroxyl amine and 0.1-20 part by weight ofinorganic ammonium salt; wherein the pH value of the sewage is 6.5-6.95. The short-cut nitrification sewage treatment method provided by the invention can significantly improve the nitrite accumulation rate, and controls the biological nitrification reaction at the stage with nitrite accumulation, thereby facilitating the sewage denitrification process, improving the wastewater treatment effect,and having good engineering application value.

The invention relates to a synchronous nitrosation-Anammox device for low-temperature low-ammonia-nitrogen sewage based on a magnetic induction heat effect, which comprises a sewage treatment container, a composite filler in the sewage treatment container and a magnetic field generation device outside the sewage treatment container. A metal conductor is arranged in the composite filler, a protective layer is arranged on the middle layer, a porous adsorption carrier layer is arranged on the outer layer, and anaerobic ammonia oxidizing bacteria and nitrite bacteria grow in the porous adsorption carrier layer and on the surface of the porous adsorption carrier layer. The device adopts a one-stage Canon process, local high temperature is generated through an external alternating magnetic field and the magnetic induction heat effect of the metal conductor in the composite filler, meanwhile, the outer adsorption carrier selectively adsorbs ammonia nitrogen to create a local high-nitrogen-carbon-ratio environment, anaerobic ammonia oxidizing bacteria and nitrite bacteria are efficiently screened, and competitive advantages of the anaerobic ammonia oxidizing bacteria and the nitrite bacteria are kept. The biological activity is efficiently improved with low consumption, the denitrification capacity of the nitrosation-Anammox process on low-temperature and low-ammonia-nitrogen urban sewage is remarkably improved, and the capital construction and operation cost for sewage treatment is greatly reduced.

The invention relates to a low-temperature low-ammonia-nitrogen sewage denitrification device based on a magnetocaloric effect coupling carrier. The low-temperature low-ammonia-nitrogen sewage denitrification device comprises a sewage treatment container, the magnetocaloric carrier in the sewage treatment container and a magnetic field generation device outside the sewage treatment container, wherein the magnetocaloric carrier is nano Fe3O4-loaded zeolite, and anaerobic ammonia oxidizing bacteria and nitrite bacteria grow in the magnetocaloric carrier and on the surface of the magnetocaloric carrier. According to the device, a one-stage Canon process is adopted, precise local controllable temperature rise can be realized through a magnetocaloric effect generated by an external medium-high frequency alternating magnetic field and zeolite-loaded nano Fe3O4, zeolite selectively adsorbs ammonia nitrogen to create a local high-nitrogen-carbon-ratio environment, and the device has targeted advantages for solving the problem of low-temperature low-ammonia-nitrogen sewage denitrification treatment, anaerobic ammonia oxidizing bacteria and nitrite bacteria are efficiently screened, the competitive advantages of the bacteria are kept, the microbial activity is efficiently improved with low consumption, and the capital construction and operation cost for sewage treatment is greatly reduced.

The present invention relates to an electric energy storage apparatus having a configuration comprising at least a capacitor and an inductor, wherein the electric energy storage apparatus provides storage of charges generated from microbial fuel cells, and the inductor of the electric energy storage apparatus is capable of converting part of the alternative current power generated by the microbial fuel cell into a direct current power. This direct portion of electric power is a part of the electric power supplied to the energy storage apparatus. The storage of the energy storage apparatus also can be stabilized by the electromagnetically induced feedback mechanism. Therefore, the stabilization of energy storage of the microbial fuel cell can be achieved simultaneously. The present invention also provides a microbial fuel cell energy storage system comprising a microbial fuel cell and the apparatus.

The invention relates to a method of stacking a horizontal rib on an unequal-height section through laser cladding operation. The method comprises the following steps that the unequal-height section and a laser cladding device are provided, the stacking position is determined on the unequal-height section, and the length of the rib on the unequal-height section is determined according to the stacking position; and the lowest portion of the stacking position serves as the head segment of the rib, the highest portion of the stacking position serves as the tail segment of the rib, the number of segments of the rib is determined according to the length and the height of each segment of the rib in the vertical direction, the cladding speed of each segment of the rib is determined according to the relationship of the cladding height of each segment of the rib and the scanning speed under the condition of a certain parameters, and the laser cladding operation is conducted, so that the horizontal rib is obtained. According to the method, a segmentation speed changing method is adopted to conduct segmentation on the rib on the unequal-height section, and the rib obtained through the cladding operation can be of a horizontal structure by use of the influence of the change of the scanning speed on the height of the cladding layer.

The invention discloses a culture method for rapidly increasing beta-glucan content in coccolithophores, which comprises the following steps: inoculating coccolithophore seeds in a seawater culture solution of salinity 25-30 per mill, culturing in conditions of a temperature 15-25 DEG C and intensity of illumination 2,000-5,000Lux, and adding sodium dihydrogen phosphate of concentration 5g / L in the culture solution before coccolithophore mature bodies are collected, wherein the volume ratio of the seawater culture solution and sodium dihydrogen phosphate solution is 1,000:(0.8-1.2). In such a way, within the last 5-10 hours before collection, i.e. the period in which the cell density of coccolithophore mature bodies is the highest, the addition of sodium dihydrogen phosphate enables rapid metabolism of coccolithophore mature bodies and rapid increase of beta-glucan, resulting in a high cumulative yield, and because the coccolithophore mature bodies are collected after 5-10 hours, the consumption is less, the beta-glucan content in the coccolithophore mature bodies is high, up to over 22 pg / cell, the purity is up to over 93%, and the bioactivity is high.

A method for quickly starting short-cut nitrification of domestic sewage comprises the following steps: (1) inoculating nitrification sludge into a short-cut nitrification system of the domestic sewage to enable the sludge concentration to be 2500-3500 mg / L; (2) recovering the metabolic activity of the inoculated sludge in a domestic sewage short-cut nitrification system under a low-temperature condition to complete activity recovery; (3) mixing the ferric oxide nano-particles or ferric trichloride with the domestic sewage under a low-temperature condition to enter a domestic sewage short-cut nitrification system, and starting and operating the system; (4) carrying out sequencing batch reaction, carrying out aeration after water feeding is finished, and respectively adding the ferric oxide nanoparticles or ferric trichloride according to a certain adding frequency; and (5) monitoring the nitrite accumulation rate of the effluent, and when the nitrite accumulation rate reaches 75% or above and stable operation is carried out for 7 days or above, considering that the short-cut nitrification system is successfully started. The sludge settling performance can be remarkably improved, the process control condition is simple, the operation cost is low, the operability is high, and the operation effect is stable.

The invention provides a device and a method for treating low-C / N municipal sewage by pre-positioned short-range denitrification-anaerobic ammonia oxidation and belongs to the technical field of biological sewage treatment. The device provided by the invention comprises a raw water tank, a pre-positioned short-range denitrification reactor, an intermediate water tank and an anaerobic ammonia oxidation reactor. The method comprises the following steps: firstly, enabling the municipal sewage to enter the pre-positioned short-range denitrification reactor and carrying out short-range denitrification by utilizing organic matters in domestic sewage and nitric nitrogen which is remained on the last period; secondly, enabling the sewage into an anaerobic ammonia oxidation reactor and carrying out autotrophic nitrogen removal; meanwhile, draining water from the pre-positioned short-range denitrification reactor and carrying out aerobic aeration to generate the nitric nitrogen. According to the device and the method, provided by the invention, a carbon source in domestic sewage can be sufficiently utilized for carrying out the short-range denitrification and the ratio of an anaerobic ammonia oxidation substrate is controlled through a water draining ratio, so that energy sources are saved; the device and the method are easy to control and high in stability, and an effective way is provided for application of a mainstream anaerobic ammonia oxidation technology and deep denitrification of the low-C / N municipal sewage.

The invention provides a device and a method for treating high-concentration nitrate wastewater and urban sewage by partial denitrification and anaerobic ammonia oxidation, and belongs to the field of sewage bio-treatment. Nitrate wastewater and urban sewage enter a partial denitrification reactor, nitrate is reduced into nitrite through heterotrophic denitrification strains by using biodegradable organic carbon sources in the urban sewage, effluent enters an anaerobic ammonia oxidation reactor, and ammonia nitrogen and nitrite in the urban sewage are subjected to anaerobic ammonia oxidation reaction to generate nitrogen. By adopting the device and the method, synchronous nitrogen removal of the high-concentration nitrate wastewater and the urban sewage is realized, additional carbon sources are not needed, the operational management is convenient, the operating cost is reduced, the consumption of energy is reduced, and the denitrification efficiency is high.

The present application relates generally to a process of manufacturing an optimized packing material comprising chia seed mucilage (CSM), glycerol, and sorbitol, wherein said packaging materials have a good tensile strength (2.005 N / mm2), lower water vapor permeability (1.73×10−9 g×s×Pa / m), a good flexibility (e.g. high elongation at break, 31.729%). The optimum conditions of polyol concentration were 1.3 g of glycerol and 2.0 g of sorbitol per g of CSM. Based on these results, chia seed mucilage can successfully be used to develop biofilms with potential to be used in drug delivery and edible food coating applications. Both the process and the products are within the scope of this application.

The invention relates to a method for laser cladding and stacking horizontal ribs on sections of unequal heights, comprising the following steps: providing sections of unequal heights and a laser cladding device, determining the stacking position on the sections of unequal heights, according to the The stacking position determines the length of the ribs on the unequal height section; the lowest point of the stacking position is used as the first section of the ribs, and the highest point is used as the end section of the ribs, according to the length and each The height of the ribs in the vertical direction determines the number of segments of the ribs, and the cladding of each rib is determined according to the relationship between the cladding height of the ribs in each segment and the scanning speed under a certain parameter Speed, laser cladding to obtain horizontal ribs. The method adopts the stepwise speed change method to divide the ribs with different heights into sections, and makes use of the influence of the scanning speed change on the cladding layer height, so that the cladding ribs have a horizontal structure.

The invention discloses a high-efficiency denitrification device and method capable of self-strengthening release of a solid carbon source. The device comprises a water distribution and sludge discharge device, a reaction device and a three-phase separation device which are sequentially communicated from bottom to top, an anaerobic ammonia oxidation zone, an inner three-phase separation zone, an inner water distribution zone and a short-range denitrification zone are sequentially arranged in the reaction device from bottom to top. Ammonia nitrogen and nitrite nitrogen in wastewater are removed through the anaerobic ammonia oxidation zone, then the wastewater is separated in the inner three-phase separation zone, gas is accumulated through the gas collection device and then is subjected to pulse gas release in the short-cut denitrification zone, and liquid enters the short-cut denitrification zone through the inner water distribution zone; the short-cut denitrification zone is provided with a solid carbon source, and power generated by pulse gas release can promote flow state disturbance and release of the solid carbon source; nitrate nitrogen of the wastewater is converted into nitrite nitrogen through the short-cut denitrification region, and the nitrite nitrogen flows back to the anaerobic ammonia oxidation region. According to the invention, all reaction characteristics are fully utilized, the release efficiency of the solid carbon source is enhanced by adopting self-produced gas disturbance, the function cooperation of short-cut denitrification and anaerobic ammonia oxidation processes is improved, and efficient and economic biological denitrification is realized.

By preliminarily dissolving a basic organic compound in an aqueous solvent in which a peptide usable in metal-labeling is to be dissolved, the solubility of the peptide is improved and thus metal-labeling can be carried out without heating. A composition for medical use containing a peptide usable in metal-labeling and a basic organic compound acceptable as a pharmaceutical additive can be utilized as a preparation useful in image diagnosis, radiotherapy and so on.

The invention relates to the field of sewage treatment, in particular to a method for short-range nitrification treatment of sewage. The method for treating sewage with short-range nitrification provided by the invention comprises the steps of: adding a short-range nitrification accelerator to the sewage, the short-range nitrification accelerator comprising 2-30 parts by weight of inorganic hydroxylamine and 0.1-20 parts by weight of inorganic ammonium salt ; The pH of the sewage is 6.5-6.95. The method for short-range nitrification treatment of sewage provided by the invention can significantly increase the nitrite accumulation rate, control the biological nitrification reaction in the stage of nitrite accumulation, thereby benefiting the sewage denitrification process, improving the treatment effect of waste water, and having a good effect engineering application value.