34results about How to "Increase sedimentation" patented technology

Processes for producing acidic, protein-containing drinks are disclosed. Specifically, the processes comprise producing acidic, protein-containing drinks comprising plant protein material. The acidic, protein-containing drinks have improved sensory and functional characteristics such as reduced viscosity, improved sedimentation rate, and improved mouthfeel.

The invention discloses a method for precipitating rare earth from ionic rare earth ore magnesium sulfate leaching solution. The method specifically comprises the following steps: (1) leaching ionic adsorption type rare earth raw ore to obtain leaching solution by using magnesium sulfate solution; (2) adding a magnesium-containing precipitator into the leaching solution obtained in the step (1), so that rare earth ions in the leaching solution are precipitated out to obtain a magnesium-containing rare earth precipitate; and (3) introducing carbon dioxide gas into the magnesium-containing rare earth precipitate, wherein the aim of introducing carbon dioxide refers to accelerating the reaction and removing magnesium in the precipitate, converting the magnesium in the precipitate into easily dissoluble magnesium bicarbonate to enter the solution, and converting the rare earth into a rare earth carbonate precipitate. According to the method for precipitating rare earth from ionic rare earth ore magnesium sulfate leaching solution, ammonium bicarbonate solution is not used as a precipitator, ammonia nitrogen pollution is avoided, and the rare earth precipitation capacity is high.

A feed for chickens takes yellow mealworms as a new resource of animal protein, takes lutein as a feed additive, and is formed by matching sweet corns, yellow mealworms, bean pulp, lutein, dibasic calcium phosphate, premix compound, salt, fine aggregate and wheat barn, wherein the metabolizable energy is 2850-2900 kcal/kg, the protein is more than or equal to 19.5%, Ca accounts for 0.9-1.2%, total phosphorus accounts for 0.6-0.8 %, methionine is more than or equal to 0.48%, and lysine is more than or equal to 1.15%. In the invention, compared with the feed taking the bean pulp as a main material, the immunity of poultry and the function of the immune system are improved, the immune cells are activated overall, the generation of the antibody is promoted, the occurrence rate of diseases is decreased, and the precipitation capacity of the lutein in the egg yolk is improved greatly, the mouthfeel of eggs, the laying rate and egg quality of the chickens are improved, the egg laying peak season is prolonged, the single egg weight is increased, the color of the egg shell is bright, the nutritional value is higher, the laying rate is improved by 4%, the mortality and elimination rate is reduced by 4.5%, the feed is saved by 14%, and the economic benefit is improved by 4.3%.

The invention discloses a swirling flow type screen filtering device which comprises a first water storage tank, a filtering screen, a waste collecting screen, a waste collecting pipe, a waste discharging pipe and a concentration bag. The filtering screen is located on the upper portion of the waste collecting screen, the two ends of the waste collecting pipe are communicated with the waste collecting screen and the waste discharging pipe respectively, the other end of the waste discharging pipe is communicated with the concentration bag, the filtering screen, the waste collecting screen, the waste collecting pipe and the waste discharging pipe are located inside the first water storage tank, the concentration bag is located outside the first water storage tank, an aerating device is arranged at the bottom of the waste collecting screen, and a first water outlet pipe is arranged on the lower portion of the first water storage tank. The invention further discloses a swirling flow type screen filtering system and a method of the swirling flow type screen filtering system for filtering waste water. The circulating water industrial aquaculture technology of the swirling flow type screen filtering device is not dependent on an imported and high-price drum micro-filtering machine any more, the shortcomings that an industrial aquaculture system is high in investment cost and energy dissipation, wastes water and the like are overcome, and the investment cost and the operation cost are reduced by more than 20% and 15% respectively.

The invention discloses a well and a water collection well. The well comprises a bottom plate, a well chamber, a well cylinder adjustment block, a well ring and a well lid which are connected in sequence from bottom to top, wherein the lower parts of the bottom plate and the well chamber are integrally formed by pouring; and a water inlet is formed in a side wall of the well chamber. The water collection well comprises a sand sediment well and a water intake well which adopt the well, wherein a first water collection well chamber is connected between the sand sediment well and the water intake well; the sand sediment well is communicated with the first water collection well chamber through an upper water-passing hole; the first water collection well chamber is communicated with the water intake well through a lower water-passing hole and the water inlet of the water intake well; and vent holes are formed in the sand sediment well, the water intake well and the side walls at the upper part of the first water collection well chamber. The well and the water collection well are connected with a drainage pipeline of a drainage system, so that rainwater can be collected on a rainy day and urban water logging is avoided; and when the soil is droughty, the rainwater stored in the well can be pumped out for irrigating greenbelts to relieve the drought, so that wastes are turned into wealth and water resources are saved for cities.

The invention relates to respiratory syncytial virus resistance human immune globulin and a preparation method thereof. The titer of the respiratory syncytial virus neutralizing antibody is larger than or equal to 1:900. The preparation method includes the steps of firstly, screening out privilege plasma with titer of the respiratory syncytial virus neutralizing antibody not lower than 1:200; secondly, mixing screened-out efficient privilege plasma; thirdly, separating the mixed plasma through a low-temperature ethyl alcohol filter press method, purifying and separating out a immune globulin component II through the combination with the ion-exchange column chromatography method, and obtaining immune globulin with the purity of 98-100% through filtration, chromatography, ultrafiltration, preparation, low-pH incubation virus inactivation, nano-membrane filtration virus removal and subpackaging. The titer, purity and recycling rate of the respiratory syncytial virus resistance human immune globulin obtained through the preparation and production method are high, treatment can be conducted for the respiratory syncytial virus, and the respiratory syncytial virus resistance human immune globulin and the preparation method have advantages of being safe, effective and the like.

The invention relates to intravenously injected cytomegalovirus human immune globulin and a preparation method thereof, and the titer of a cytomegalovirus neutralizing antibody of the human immune globulin is larger than or equal to 1:500. The preparation method comprises the steps that 1, positive plasma with the titer of the cytomegalovirus neutralizing antibody larger than or equal to 1:20 is screened out; 2, the screened-out efficient positive plasma is mixed; 3, the mixed plasma is separated through a low-temperature ethanol filter-pressing method, an immune globulin component II is separated and purified by combining an ion-exchange column chromatography method, viruses are removed through filtration, chromatography, ultrafiltration, preparation, low-pH incubation virus inactivation and nanofilm filtration, the immune globulin with the purity of 98.5%-100% is obtained through subpackaging, and the antibody titer is not lower than 1:500. The cytomegalovirus human immune globulin prepared through the preparation and production method is high in antibody titer, purity and recovery rate and capable of conducting targeted treatment on cytomegalovirus, is an effectively drug for treating recessive and dominant infection caused by the cytomegalovirus in people, is safe and reliable and has larger social benefits and economic benefits.

The invention provides a method for inducing precipitation of calcium carbonate by using microorganisms. The method comprises the following steps: mixing a bacterial suspension with a calcium reactionsolution to obtain a total gel solution, and adding sodium montmorillonite into the gel solution to carry out calcium carbonate precipitation, wherein the sodium montmorillonite accounts for 0.25-1%of the total gel solution by mass. According to the method, the sodium montmorillonite is added, and under the condition of interaction of the sodium montmorillonite, the reaction solution and urea, precipitation of calcium ions is accelerated, and the calcium ions can achieve the effect of complete precipitation, so that the reaction efficiency is obviously improved, and the method has a higher practical application value; and under the condition of more reaction solutions, the reaction can be carried out in the forward direction, the calcium ions are completely precipitated, and the precipitation amount of calcium carbonate in the reaction is obviously increased.

This invention is in the field of micro-organism and algal cell processing. The invention relates to a method of maximizing migration of micro-organism and/or algal cells to a solvent fraction while simultaneously displacing water in a separate fraction and subsequent extraction of hydrophobic products from the organisms. The invention further relates to a method of sequestration of protein from an aqueous phase to an organic solvent.

The invention discloses a magnetic precipitation filtering device for an electric-spark linear cutting machine tool working fluid. The magnetic precipitation filtering device comprises two or more settling boxes, and the magnetic precipitation filtering device is characterized in that all the settling boxes are longitudinally arranged in an overlapped manner, two or more longitudinal baffle plates are fixedly arranged in each settling box, bent flow channels are formed, two or more horizontal sliding grooves are formed in the outer side of the bottom of each settling box at intervals, a permanent magnet is arranged in each horizontal sliding groove, and the tail end of the flow channel of each settling box is provided with an overflowing hole. The magnetic precipitation filtering device for the electric-spark linear cutting machine tool working fluid has the advantages that the electric-corrosion particle separating effect is good, cleaning is easy to achieve, and other effective components are not affected, and therefore performance of the working fluid is guaranteed for a long period.

The invention relates to dams at the foot of the hill, in particular to a rockfill dam structure. The rockfill dam structure comprises a dam body and a water channel body. A water drainage pipeline is arranged at the bottom of the dam body and extends to the water channel body all the time. The water channel body is provided with flood discharge ports located in the different horizontal planes. Rotating cover plates arranged at intervals are arranged at an upstream water inlet and a downstream water outlet of the drainage pipeline. A grid-shaped trench is arranged on the dam protection slope surface of the dam body. The rockfill dam structure is provided. The drainage pipeline in the structure is arranged at the rear portion of the dam body, in terms of environmental protection, the staying time of water in the dam body is prolonged, and the precipitation capacity of soil is increased. The impact force to the dam body from water is greatly reduced, and the dam body is protected accordingly. The water channel body is provided with the flood discharge ports, and when the rainfall is large, water in the dam body can be drained in time.

The invention provides a fish excrement collecting and discharging system, which comprises an aquatic product culture pond body, a feeding device, an ultraviolet disinfection device, a rotary pollution discharger and a residue excrement collector, a filter, a dirt collecting tank, and a control device; the ultraviolet disinfection device, the rotary pollution discharger and the residue excrement collector are arranged in the middle of the bottom part of the aquatic product culture pond body and orderly connected through a pipeline; the control device is connected with the feeding device, the ultraviolet disinfection device, the rotary pollution discharger and the residue excrement collector; the control device is used for acquiring feeding amount of the feeding device and sediment amount after passing through the filter and comparing the feeding amount with the sediment amount, and controlling the feeding device, the ultraviolet disinfection device, the rotary pollution discharger andthe residue excrement collector according to the comparison result of the feeding amount and the sediment amount. The system can gradually optimize the collection and discharge of the fish excrement and form a whole set of circulating system, namely, save and use water resource while guarantee the growth environment of the aquatic product.

The invention discloses a water treatment method for make-up water of cooling water of an air conditioner, which comprises the following steps: S1, introducing water to be treated into a comprehensive regulating tank, carrying out water quality equalization, and then carrying out filtering treatment to obtain first effluent water; s2, performing cation exchange treatment and anion exchange treatment on the first effluent to obtain second effluent; s3, a disinfectant is put into the second effluent, and third effluent is obtained after treatment; and S4, carrying out adsorption treatment on the third outlet water by taking modified zeolite as an adsorbent, then conveying the third outlet water to a water supplementing water tank, and supplying water to an air conditioner cooling tower by the water supplementing water tank. By adopting the method, the water replenishing quality can be ensured, and the problems of corrosion and scaling can be reduced.

According to the preparation method of the mellea armillaria sporophore antioxidant peptide, mellea armillaria sporophore is used as a raw material to be sequentially subjected to protein extraction, precipitation, hydrolysis, separation and purification, the protein extraction comprises the steps that alkali extraction is adopted firstly, then residues obtained after alkali extraction are subjected to ultrasonic alkali extraction, the precipitation comprises the steps that an isoelectric point method and a salting-out method are sequentially carried out for precipitation, and finally drying is carried out to prepare mellea armillaria sporophore protein powder. According to the preparation method disclosed by the invention, through a protein extraction mode of firstly carrying out alkali extraction on the mellea armillaria sporophore and then carrying out ultrasonic alkali extraction, the extraction rate of mellea armillaria sporophore protein is effectively improved and reaches 76.59%, an isoelectric point method and a salting-out method are sequentially combined in a precipitation process, the precipitation amount of the mellea armillaria sporophore protein is effectively promoted to reach 66.2 ug/mL, and the DPPH free radical scavenging rate of the prepared antioxidant polypeptide reaches 86.37%. The scavenging rate of hydroxyl free radicals reaches 97.53% and is close to the scavenging rate of positive control. And the total reducing force is equivalent and reaches 0.71.