31 results about "Bacteria removal" patented technology

The application discloses a desalination method for 1,3-propanediol fermentation liquor, and comprises the following steps: sequentially performing bacteria removal and concentration on the 1,3-propanediol fermentation liquor to obtain a primary concentrated solution; and performing specific chromatographic separation and desalination on the primary concentrated solution by using a chromatographic separation system to obtain a desalination solution; by the specific chromatographic separation and desalination process, the PDO fermentation liquor can be directly subjected to chromatographic separation and desalination after being filtered by ultrafiltration, the nanofiltration membrane filtration process is reduced, and the PDO extraction process is simplified; in addition, the product yield of PDO in the desalination process of the PDO fermentation liquor can reach more than 98%, the chromatographic separation and desalination rate is increased to more than 90%, the residual amount of the distillation kettle is significantly reduced, the product yield of PDO in the distillation process is increased, and the product quality is significantly improved.

The application discloses a security filter element recycling and cleaning device with a sterilization function, which comprises a cleaning tank, a feeding pipe, a transmission shaft, a transmission sleeve, a rotating disc, a first driving mechanism and a second driving mechanism; the cleaning tank is provided with a fixing seat; the rotating disc is provided with a cleaning sleeve; the rotating disc is provided with a first gear, and the cleaning sleeve is provided with a gear ring; the transmission shaft is provided with an inflation mechanism; the cleaning sleeve is provided with brush bristles and a clamping mechanism; the cleaning tank is provided with a lifting mechanism; the cleaning tank is provided with an ultraviolet lamp, a liquid feeding pipe, a discharge opening and a discharging mechanism. The second driving mechanism drives the cleaning sleeve to rotate, the lifting mechanism drives the cleaning sleeve to move up and down to clean the filter element, the clamping mechanism clamps the filter element, and the first driving mechanism drives the filter element to rotate to the discharge opening to be discharged.

FIELD: fillers.SUBSTANCE: method for producing a filler. A method for producing a filler comprises: a) mixing polynucleotides having a molecular weight of 1800 to 2300 kDa with a solvent to obtain a solution of polynucleotides and then mixing said solution, wherein the polynucleotides are uniformly distributed in the solvent; b) removing bacteria from the resulting polynucleotide solution using a sterile filter; c) mixing non-crosslinked hyaluronic acid having a molecular weight of 100 to 5000 kDa and a pH modifier with a bacteria-free polynucleotide solution, wherein the polynucleotide is contained in a concentration of 1 to 1.5 wt. / vol.% and non-crosslinked hyaluronic acid is contained in a concentration of 0.1 to 1 wt. / vol.% relative to the total volume of the final filler, and is characterized in that steps a)–c) are performed sequentially, wherein the filler has a complex viscosity in the range of 0.3 to 3 Pa⋅ with and is suitable for reducing mild wrinkles according to the Wrinkle Severity Rating Scale (WSRS) or crow's feet; wherein step c) of mixing hyaluronic acid and a pH modifier comprises: c-1) mixing non-cross-linked hyaluronic acid with the bacteria-free polynucleotide solution obtained in step b) to obtain a mixture; c-2) mixing a pH modifier with the obtained mixture.EFFECT: reduction in the possibility of external contamination of the filler during production and a reduction in mild wrinkles according to the Wrinkle Severity Rating Scale (WSRS) or crow's feet.8 cl, 2 dwg, 7 tbl, 8 ex

The invention relates to the technical field of drinking water treatment, and discloses a multifunctional and integrated composite micro-polluted underground water treatment device and method.The device is mainly composed of three main devices including an aeration column, a chemical crystallization circulating granulation fluidized bed and a catalytic oxidation filter column and a matched system; the aeration column aerates the raw water subjected to acid adding treatment to reduce the alkalinity of the raw water, the chemical crystallization circulating granulation fluidized bed can remove hardness, iron and manganese in incoming water, effluent of the crystallization fluidized bed enters the catalytic oxidation filter column to be filtered, and manganese, ammonia nitrogen, bacteria and microorganisms in the water are further removed through an internal catalytic oxidation active filter material; the whole set of system combination of the multifunctional and integrated composite micro-polluted underground water treatment device can achieve the functions of softening, iron removal, manganese removal, turbidity removal, ammonia nitrogen removal, bacteria removal and microorganism removal on micro-polluted underground water, and effluent can directly reach the drinking water standard.

The ventilator for dust removal, dehumidification, degerming, sound absorption, noise reduction and heat exchange is arranged on ventilation openings formed in indoor and outdoor walls of a building, and outdoor cold air containing moisture and germs, harmful substances and noise attached to dust is subjected to heat exchange through the pressure difference between indoor air and outdoor air; dust and moisture flowing through outdoor dust removal filter cloth are coarsely filtered and enter the dust removal, dehumidification and noise reduction purification device through flow division of an air inlet grille in the ventilator, induction of differential pressure of an insect prevention filter screen and an air guide pipe and heating of a Venturi heating device; when air is in contact with a titanium dioxide material, a sound absorbing material and an LED light bar which are coated and arranged in the dust removal, dehumidification and noise reduction purification device, germs and harmful substances adhered to moisture and dust are subjected to catalytic oxidation decomposition, dust removal, dehumidification, sterilization, sound absorption, noise reduction and cold air heat exchange treatment; and after being purified by indoor dust removal filter cloth, the air flows indoors at the temperature of 16 DEG C or above, moisture and dust particle size PM2.5 are removed, the concentration and the degerming effect reach 95%, and the sound absorption and noise reduction effect is 33 decibels or above.

The utility model relates to the technical field of biological degerming purification tanks for organic wastewater treatment, in particular to a biological degerming purification tank for organic wastewater treatment, which comprises a mixing barrel, a liquid inlet is arranged on the base surface of the mixing barrel, a stirring motor is arranged on the right side surface of the mixing barrel, a liquid outlet electromagnetic valve is arranged on the left side surface of the mixing barrel, and the liquid outlet electromagnetic valve is arranged on the right side surface of the mixing barrel. A stirring screw is rotatably arranged in the mixing barrel, a shaking assembly and the stirring screw are arranged on the biological sterilization purification tank for organic wastewater treatment, the stirring screw can be driven to rotate by operating a stirring motor, and a left threaded rod can be driven to rotate by operating a left adjusting motor; a left rotating rod and a first auxiliary rod can be driven to rotate through an adjusting block, so that a shaking plate can deviate towards the left lower side, a right adjusting motor can be operated to drive the shaking plate to deviate towards the right lower side, and the shaking plate can swing left and right to drive liquid in the mixing barrel to shake; the chemical agent and the organic wastewater can be better mixed.

The application belongs to the technical field of polysaccharide preparation and relates to a purification method and application of microbial polysaccharide hyaluronic acid. ‑ The viscosity of the hyaluronic acid fermentation liquor is reduced by more than 99% after the alkali-adjusted and viscosity-reduced hyaluronic acid fermentation liquor is subjected to mechanical shearing treatment, so that the viscosity is further reduced to 40-75 mPa s; the hyaluronic acid fermentation liquor after the high-shear treatment is filtered to remove bacteria and impurities; acid is added to the filtered solution for neutralization, and then alcohol precipitation and drying are performed, and the hyaluronic acid is obtained. The application can quickly reduce the viscosity of the hyaluronic acid fermentation liquor to reach the viscosity range for efficient bacteria removal and impurity removal in subsequent operations, thereby breaking through the industrial bottleneck of bacteria removal and purification in the industrialized production process of microbial polysaccharide hyaluronic acid.

1. Name of the designed product: razor (with sterilization function). 2. Use of the designed product: for trimming hair. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: assembly state diagram.

The invention discloses a formaldehyde-removing and bacterium-removing activated carbon-based bifunctional material as well as a preparation method and application thereof, and aims to solve the technical problems that active components of an existing modified activated carbon material are easy to fall off, and efficient formaldehyde removal and lasting bacterium resistance are difficult to realize at the same time. Comprising an activated carbon carrier and an active component loaded on the activated carbon carrier, wherein the surface of the activated carbon carrier contains oxygen-containing functional groups; the active components comprise an aldehyde removal active component and a bacteria removal active component, and the active components and metal ions in the active components form coordinate bonds or hydrogen bonds through oxygen-containing functional groups; the aldehyde removal active component is metal oxide nano-particles which are selected from at least one of manganese dioxide, zinc oxide, titanium dioxide, copper oxide and iron oxide; the degerming active component is nano-antibacterial metal and / or metal oxide nanoparticles, and is selected from at least one of nano-silver, zinc oxide and copper oxide; the loading capacity of the aldehyde removal active component is 0.5-15 wt% of the total mass of the material; the loading capacity of the antibacterial active component is 0.05-2wt% of the total mass of the material.

1. The name of the design product: graphical user interface for indoor and outdoor environment parameter display and setting of electronic equipment. 2. The use of the design product: for electronic equipment. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best indicates the design points: design 1 front view. 5. Design 1 is designated as the basic design. 6. The use of the graphical user interface: for displaying indoor and outdoor environment parameters and setting indoor environment parameters. 7. The human-computer interaction mode of the graphical user interface: in design 1-design 10, clicking one of "air conditioner", "fresh air", "humidity control", "bacteria removal" in the main view can set the indoor environment parameters.

The invention relates to the technical field of functional ceramic products, in particular to original degerming and moisturizing functional ceramic and a preparation method and a use method thereof.The functional ceramic is formed by firing natural mineral argil, and the natural mineral argil is naturally enriched with at least two trace metal elements of iron, copper, zinc and manganese needed by human metabolism; the porosity of the body of the functional ceramic is 15-30%, and the functional ceramic is used in cooperation with food to be heated in a microwave oven heating scene. According to the invention, natural mineral argil is taken as a raw material, and through structural design and process optimization, triple functions of moisturizing, nutrition supplement and sterilization in a microwave oven heating scene are realized, so that the core pain point of food moisture loss is solved, trace elements required by a human body are safely supplemented, and meanwhile, the safety of food after heating can be improved; the product is stable in preparation process and convenient to use, and has high practical value and market prospect.

The present application relates to the technical field of clothes treatment, and particularly provides a control method of clothes treatment equipment, aiming at solving the problem of poor effect of bacteria removal of washing machines in the prior art. To this end, the control method comprises: obtaining a washing mode of the clothes treatment equipment, if the washing mode is a mixed washing mode, obtaining a current running stage of the washing mode, if the current running stage is in a pre-watering stage, controlling an inner drum to rotate at a preset inner drum rotating speed, and controlling a light plasma tube and a fan to operate simultaneously, before or after the inner drum is controlled to rotate at the preset rotating speed. The present application combines the operation of the light plasma tube and the fan with the running stage of the mixed washing mode, so that better bacteria removal effect can be obtained while ensuring smooth operation of the mixed washing mode.

This invention provides a method for removing bacterial biofilm using enhanced advanced oxidation technology. The method uses persulfate or permonsulfate as the advanced oxidation system, Fe(II) as the activator, and epigallocatechin gallate as the enhancer. The advanced oxidation system, activator, and enhancer react in a container containing bacterial biofilm to remove it. This method achieves good biofilm removal while reducing the amount of chemical reagents added to the system, eliminating the need for additional post-treatment methods. Therefore, this technology can be applied not only to wastewater treatment systems but also to water supply networks and secondary water supply equipment.

The utility model relates to the technical field of light pollution prevention lens storage device, and disclose a kind of light pollution prevention lens storage device of bacteria removal, including storage shell, the top movable joint of storage shell is equipped with cover plate, and the outer wall one side of storage shell is embedded with control end, the inside of storage shell is provided with sterilization mechanism;The sterilization mechanism includes installation shell, and the front end of storage shell is fixedly installed in installation shell, and the inside one side of installation shell is embedded with quartz glass, and the inside other side of installation shell is fixedly installed with mounting bracket.The utility model is through the cooperation of quartz glass, mounting bracket, ultraviolet lamp, ultrasonic generator and setting shell, can carry out sterilization and sterilization operation by two kinds of ways of ultraviolet and ultrasonic, improve the comprehensiveness of overall disinfection, avoid the influence of dead angle and residue on the surface of lens, affect transmittance, and can be separated with sliding rod and partition rod to lens, avoid mutual adhesion influence sterilization effect.

A hydrodynamic cavitation system features a first stator, a second stator, a third stator, and a rotor, each having a plurality of indentations. The hydrodynamic cavitation system further includes a drive shaft, a variable speed motor, and a pump, wherein the pump circulates fluid through the hydrodynamic cavitation system while the drive shaft actuates the rotor, generating hydrodynamic cavitation between each stator and the rotor. Each of the plurality of indentations provides different regions to optimize overall hydrodynamic cavitation volume, increasing cavitation locations, which can coalesce to become a macro cavitation site and cavitation cloud. The hydrodynamic cavitation system removes bacteria, pathogens, viruses, fungi, cyanobacteria as well as breaks chemical bonds, effectively treating contaminated water and other fluids.

An air cleaner capable of removing bacteria and viruses. The air cleaner includes: a main body including a suction hole through which air is introduced and a discharge hole through which air is discharged; an ultraviolet (UV) irradiation device disposed between the suction hole and the discharge hole, and including a UV light emitting diode (LED) configured to transmit ultraviolet rays toward the discharge hole; a photocatalyst filter including a photocatalyst provided to generate active oxygen by reacting with the UV rays transmitted from the UV LED, and disposed between the UV irradiation device and the discharge hole; and a light blocking member disposed between the UV LED and the suction hole to prevent the UV rays transmitted from the UV LED from being emitted to an outside of the main body through the suction hole.

1. The name of the design product: intelligent warm air care machine. 2. The use of the design product: for the warm air care of wardrobe, shoe cabinet and other furniture, and for bacteria removal and mold prevention. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The application discloses a silver phosphate composite material with antibiotic degradation and bacteria removal effects and a preparation method and application thereof. The method comprises the following steps: dissolving a nitrogen source and a sulfur source in an organic solvent, adding the obtained dispersion solution into a graphene oxide suspension, stirring to obtain a uniform suspension, and then annealing at high temperature to obtain NSG; adding the NSG into water to obtain an NSG suspension, adding a silver ion solution into the suspension, uniformly mixing, and obtaining an Ag + / NSG suspension; adding a hydrogen phosphate solution into the Ag + / NSG suspension, stirring and reacting, collecting the precipitate, and obtaining the composite material. The Ag3PO4 / NSG composite photocatalyst with antibiotic degradation and bacteria removal effects is prepared through a simple process. The Ag3PO4 / NSG composite photocatalyst is low in cost and can be reused.

This invention belongs to the field of foodborne pathogenic microorganism detection, and relates to a rapid isolation and enrichment method for foodborne spores based on a dual recognition effect using antibiotic-magnetic beads, and its application. The sample to be tested is added to a buffer solution and then mixed with Van-Fe3O4 and Amp-Fe3O4 magnetic beads for incubation. After standing, the magnetic field is used to adsorb the conjugate of the magnetic beads and bacterial vegetative cells onto one side, removing the bacterial vegetative cells. The supernatant is then collected by centrifugation, yielding the enriched product. This invention, by using two antibiotic magnetic beads in combination, achieves rapid isolation and enrichment of bacterial cells and spores in complex microbial systems under the dual recognition effect. The spore isolation and enrichment efficiency can reach 99%, solving the technical problem that existing technologies using single antibiotic magnetic beads cannot achieve complete capture of microorganisms in complex systems. Furthermore, the method provided by this invention does not interfere with or affect the structure and state of the spores. This provides a new approach and method for the rapid isolation and enrichment of foodborne spores in complex systems.

The air purifying apparatus of the present disclosure includes a main body case having a suction port (2) and a blowout port. The main body case has an electrolytic cell (34), an electrolytic unit, a bacteria removal zone, a gas-liquid contact portion, a water supply zone, a water replenishment portion, a fan, and a control portion that controls the electrolytic unit, the active oxygen species replenishment portion (19), the water replenishment portion, and the fan. The control portion causes the active oxygen species replenishment portion (19) and the water replenishment portion to operate, and adjusts the concentration of the active oxygen species in the bacteria removal zone to a prescribed concentration.

The utility model discloses a kind of porous ceramic water purifier filter core, filter core body is hollow cylindrical, is constituted by outer layer filter layer, middle layer support layer and inner layer antibacterial layer, outer layer filter layer is gradient pore structure, material contains diatomite, kaolin etc.;Middle layer support layer is honeycomb, is composed of alumina ceramic and zirconia ceramic;Inner layer antibacterial layer loads nanometer silver particles, this filter core is filtered by gradient pore classification, combines titanium dioxide photocatalysis self-cleaning with nanometer silver antibacterial property, can intercept more than 99% bacteria virus, reduce cleaning frequency, maintain purification effect, honeycomb support layer enhances mechanical strength, improve compression resistance and breakage ability, prolong service life, after testing, its bacteria removal rate reaches 99.8%, can bear 1.5MPa pressure, actual use 6 months filtration effect is stable, cleaning frequency reduces 40%, with efficient filtration and economic practical value.

1. The name of the design product: automatic laundry detergent dispenser. 2. The use of the design product: automatically dispense appropriate amount of laundry detergent and bacteria-removing liquid into the washing machine according to the laundry needs to achieve washing and bacteria removal. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The present application relates to the technical field of clothes processing, and particularly provides a control method of clothes processing equipment, aiming at solving the problem of poor effect of the bacteria removal mode of the washing machine in the prior art. To this end, the control method comprises: judging whether the clothes in the inner drum are taken out after the spinning program is completed; if the clothes are not taken out, the inner drum is controlled to rotate, and the light plasma fresh air device is controlled to operate. Through the rotation of the inner drum and the operation of the light plasma fresh air device, the gas containing ionic substances enters the inner drum to perform disinfection and sterilization treatment on the inner drum and the clothes located therein, so that better bacteria removal effect can be obtained, the clothes can be prevented from producing peculiar smell, and the user experience is improved.

1. The name of the design product: the upper cup of vacuum filter. 2. The use of the design product: the design product is used for bacteria removal filtering of sample solution. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The application discloses a production process, device and method of cotton and hemp wrinkle fabric, which comprises a sterilization box, an inside of the sterilization box is provided with a sterilization assembly, the right side of the sterilization box is provided with an auxiliary assembly, the left side of the sterilization box is provided with a secondary sterilization assembly, the inside of the sterilization assembly, the auxiliary assembly and the secondary sterilization assembly is provided with cotton and hemp cloth, the bottom of the cotton and hemp cloth is attached to the top of a supporting roller, a controller is electrically connected with a vibration motor, and the application relates to the field of cotton and hemp fabric processing technology; the production process and device of the cotton and hemp wrinkle fabric preliminarily remove bacteria of cloth through extrusion rollers and fixed rollers of the auxiliary assembly, mainly remove bacteria through the cooperation of the up-and-down vibration of a heating box of the sterilization assembly and high-temperature gas injection, and simultaneously, the bacteria removal is accelerated by beating the cloth; the secondary sterilization assembly precisely supplements drying through ultrasonic detection and a heating plate, and multi-link cooperation ensures that the cotton and hemp cloth is completely sterilized, and the sterilization quality and production efficiency of the fabric are effectively improved.

The present application relates to a kind of rose beverage sterilization device, belong to rose beverage sterilization technical field, including support plate, the top of the support plate is provided with bacteria removal tank, the top of the bacteria removal tank is fixedly connected with connector, the top of the connector is fixedly connected with pretreatment tank, the top of the pretreatment tank is fixedly connected with canning pipe;The outer wall of the connector is provided with steam delivery pipe.The spiral cylinder and the blast hole of the present application are set, when the bacteria removal device is used to carry out bacteria removal treatment to rose beverage, according to the microorganism characteristics existing in beverage, open servo motor through the rotation of first gear, drive second gear to rotate, the rotation of second gear, through the rotation of rotating shaft, drive spiral cylinder to rotate, and under the setting that blast pipe and blast hole are connected through rotating joint, carry out blast treatment to beverage in bacteria removal tank, reach the effect that microorganism is synchronously removed when beverage is sterilized.

The invention relates to a method for improving the accuracy of MALDI-TOF MS (Matrix Assisted Laser Desorption / Ionization According to the method, capsular polysaccharide of bacteria is specifically removed through capsular depolymerases pretreatment, so that shielding and interference of a polysaccharide layer on MALDI-TOF MS characteristic protein spectrum peaks are overcome. Through the treatment of the method, the problem that a low-confidence-coefficient mass spectrum is generated or a mass spectrum cannot be obtained due to the influence of high-level capsular polysaccharide can be effectively solved, so that the identification confidence coefficient score stably reaches a reportable level. The method disclosed by the invention is simple and convenient in steps and short in treatment time, and solves the problem that the bacteria are difficult to quickly identify through MALDI-TOF MS due to high capsular polysaccharide content.

The invention discloses a continuous operation waste textile sterilization and disinfection treatment method and equipment. The invention relates to a process method for sterilizing waste textiles in continuous operation, which comprises the following steps: disassembling bagged waste textiles into single pieces through mechanical action, and conveying the single pieces to a front transition area; an ultraviolet disinfection lamp is arranged in the front transition area, and the disassembled single clothes are primarily disinfected; in the sterilization workshop, the clothes treated by the front transition area are conveyed into an ozone sterilization machine in the sterilization workshop through conveying curtains, on one hand, two-side overturning of the clothes is achieved through the multiple layers of conveying curtains, and on the other hand, ozone continuously acts on the clothes to achieve deep sterilization and disinfection by adjusting the disinfection time. An extrusion device is arranged in the rear transition area, the clothes are physically extruded, and residual ozone in fibers of the clothes is discharged; the clothes with the ozone residues removed are conveyed into a blanking area through a conveying system, and the whole treatment process is completed. The method has important significance on guaranteeing the sanitation and safety of recycling of the waste textiles.

The application discloses a PTFE bacteria-removing filter membrane and a preparation method and application thereof. The filter membrane comprises a main body, a first outer surface and a second outer surface of the main body are substantially symmetrical, surface nodes and surface fibers for forming a porous structure are included on the outer surfaces of the filter membrane, and the adjacent surface nodes are connected through the surface fibers. The IPA bubble point of the filter membrane is 0.12-0.35 MPa. The thickness of the filter membrane is 30-80 microns. The SEM average width of the surface fibers is 80-350 nm, and the SEM average length of the surface fibers is 0.9-2.5 microns. Under the joint action of the suitable membrane hole size, the suitable membrane thickness size, the suitable membrane structure and the suitable length and the suitable coarse fiber of the surface fibers, the sufficient interception of bacteria is ensured, the ideal bacteria capturing effect is realized, and a large flux is obtained. The filter membrane also has high mechanical strength, can bear high pressure during filtration, has strong stability and long service life. The filter membrane is used for liquid bacteria removal and / or gas bacteria removal, and has a wide application range.