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66results about How to "Strong sterilization function" patented technology

Nano-silver antibacterial shirt fabric and preparation method for same

InactiveCN103205835ABreaking strength without damageElongation at break without damageSucessive textile treatmentsBleaching apparatusFiberAfter treatment
The invention provides a nano-silver antibacterial shirt fabric. Warp of the fabric is compact spinning cotton yarns CF 14.8 tex; weft yarns are blended yarns 14.8 tex of 48%modal fibers / 48%bamboo pulp fibers / 4%nano-silver fibers; and the warp density is 512yarns / 10cm, and the weft density is 512yarns / 10cm. The invention further provides a preparation method for the nano-silver antibacterial shirt fabric. The method comprises the following steps: a, spinning; b, warp and cheese dyeing: cone loosening, caging filling, feeding into a cylinder, pretreatment, dyeing, aftertreatment, dehydration, drying and cone fastening, wherein the pretreatment is performed at a temperature of 120 DEG C for 30min to 60min, the NaOH utilization amount is 1.4g / L to 1.6g / L, the utilization amount of H2O2 in a concentration of 27.5% is in a range of 4.3g / L to 4.7g / L, the bath ratio during dyeing is 1:10, reactive dyes containing two active groups of vinyl sulfone and monochlorotriazine, the utilization amount of the dyes is in a range of 3g / L to 5g / L, the utilization amount of Na2SO4 is in a range of 10g / L to 60g / L, and the utilization amount of Na2CO3 is in a range of 5g / L to 20g / L; c, weaving: warping, sizing, drafting and weaving the fabric, wherein K-5000 size is used during sizing; and d, after treatment.
Owner:JIANGSU YDTEX GRP LTD

Preparation method of chemical surface modification easily-dyed polyimide fabric

The invention relates to a preparation method of a chemical surface modification easily-dyed polyimide fabric. The method includes the preparation steps of firstly, processing the polyimide fabric in an alkali solution; secondly, washing the polyimide fabric. The polyimide fabric is changed into a fabric capable of being dyed from a fabric not capable of being dyed on the basis of not damaging physical and chemical performance of the polyimide fabric, and the problem that polyimide is difficult to dye is solved; in addition, due to the effect of the alkali solution, a large number of active groups can be formed in the surface of the fabric, amino groups can be combined with dye molecules, a strong sterilization function is achieved, the antibacterial and sterilization functions of the polyimide fabric can be improved, and the application field of the polyimide fabric within the spinning range is widened while the added value of the fabric is increased.
Owner:JIANGNAN UNIV

Natural food preservative substance formula and preparation

The invention relates to food anticorrosion technical field, in particular to a natural food anticorrosion preservative prescription and the preparation method. The invention is characterized in that the prescription comprises pure bamboo vinegar of 1 to 5% total acid and chitosan of 80 to 99% deacetylation degree (weight percentage); pure bamboo vinegar: 92 to 99%, chitosan: 1 to 8%; the vinegar and chitosan of the proportion is added into the reator and is mixed well; the mixed solution in the reator is agitated in the normal temperature or the raised 100 DEG C; the agitating speed is 100 to 200 time / m; the preservative is formed after 5 to 30m dissolution. The natural food anticorrosion preservative has the advantages that no toxic side effect exist; the application scope is wide; the cost is low; the preservative can make sterilization, bacteriostasis and viral inactivation.
Owner:叶礼奎

Multi-component antibacterial non-woven fabric

The invention discloses a multi-component antibacterial non-woven fabric. The antibacterial non-woven fabric is formed by mixing 80%-20% by mass of modified polyamide and 20%-80% by mass of modified polyester, and preparing and molding through a spunbond spunlace process; and the surface of non-woven fabric fibre member is provided with a chloramine structure connected by covalent bond. The multi-component antibacterial non-woven fabric disclosed by the invention has the characteristics of strong sterilizing effect, ultrafine fibre, comfortable touch feeling and good mechanical property, and overcomes the defects of a post-treatment method using a finishing agent during traditional preparation of the antibacterial fabric; and the non-woven fabric disclosed by the invention is subjected to simple chloration so as to recycle the sterilizing effect of the non-woven fabric.
Owner:HUBEI SANYANG NEW TECH CO LTD

Novel environment-friendly functional interior wall coating and preparation method thereof

The invention provides novel environment-friendly functional interior wall coating and a preparation method thereof. The interior wall coating is prepared from pure water, emulsion, a dispersing agent, a thickening agent, a pH adjusting agent, an antifoaming agent, a coalescing agent, a preservative, tourmaline powder, stone needle, shell powder, hexacyclic stone, diatomite and graphene. Harmful substances including formaldehyde, benzene, methylbenzene and the like in newly decorated rooms and interior wall coating can be effectively adsorbed and eliminated, and odor elimination and negative oxygen ion release are realized. The novel environment-friendly functional interior wall coating is capable of emitting far infrared rays and especially suitable for environments of children's bedrooms, elders' rooms, medical places and the like high in health and environment protection requirements.
Owner:滑黎明

Intelligent air purifying robot

The invention discloses an intelligent air purifying robot. The intelligent air purifying robot comprises an intelligent robot, an air filtering device, an ultraviolet decomposition chamber, a plasmadecomposition chamber, a catalysis reaction chamber, an absorbing chamber and a plasma generator; the intelligent robot can actively detect air pollutants and control an electric wheel according to aset threshold or a measured threshold exceeding percentage, and advances to a pollutant concentration area to determine a pollution source and to purify air in areas near the pollution source in an emphasized mode; real-time data is stored and sent through a control main board; through interaction with other intelligent equipment, indoor different areas and purified air data can be known in real time; more importantly, when the robot is in a first mode, the air can be dynamically purified; through multilayer structural design, solid and liquid pollutants and bacteria in the air are effectivelycleaned; and meanwhile, negative ions are added in the cleaned air, so that the air becomes ecologically fresh and comfortable.
Owner:湖南财富引擎无形资产管理服务有限公司

Multifunctional wet tissue containing orange essence

The invention discloses a multifunctional wet tissue containing orange essence. The wet tissue is characterized by being prepared by pouring the orange essence and auxiliary materials into reverse osmosis (RO) purified water, mixing, uniformly stirring, standing, uniformly spraying the obtained mixed liquid to a spunlaced non-woven fabric, and hermetically packaging. According to a formula, the wet tissue comprises the following components in percentage by weight: 0.05 to 5 percent of orange essence, 0 to 10 percent of auxiliary materials and 85 to 99.95 percent of RO purified water. The wet tissue is safe and non-toxic, has a strong sterilization function and multiple functions, and is widely applied, and wet tissues suitable for various consumer groups can be prepared by adjusting the formula.
Owner:怀红

Desulfurization wastewater treatment method and system

The invention discloses a desulfurization wastewater treatment method and system. The desulfurization wastewater treatment method comprises the following steps: firstly, an electrochemical treatment method is adopted to remove suspended solids, heavy metals and COD in desulfurization wastewater, then the desulfurization wastewater is concentrated by a reverse osmosis treatment process, produced water enters a production process segment of a power plant to be reused, concentrated water passes through an electrolytic chlorination system, the content of chloride ions in the water is greatly reduced, and finally, chlorine salt in the concentrated water is converted into pypocholoride. Pypocholoride obtained by the desulfurization wastewater treatment method has a strong bactericidal function and can serve as a bactericide of a circulating water treatment and membrane treatment system of the power plant, so that the recycling rate of a power plant water system is improved, and the water taking cost and the production cost of the power plant are lowered.
Owner:NANJING YOUZHI TECH CO LTD

Indoor antibacterial and environment-friendly water paint for removing formaldehyde and preparation method thereof

The invention discloses indoor antibacterial and environment-friendly water paint for removing formaldehyde and a preparation method thereof, the indoor antibacterial and environment-friendly water paint is prepared by proportioning of water-based self-crosslinking polyacrylic acid resin emulsion, deionized water, a silver ion solution, rutile titanium dioxide, Maya blue, nano silica, a thickening agent, 2,2,4-Trimethyl-1,3-pentanediolmono(2-methylpropanoate) film-forming additive and other raw materials according to a certain weight ratio, grinding, dissolving, stirring, mixing and other a series of operations, the indoor antibacterial and environment-friendly water paint is environment-friendly water paint which has a very strong sterilization function, is safe and pollution-free, can easily adsorb the formaldehyde and other harmful gases, can minimize the reduction of damage of natural environment pollution to human health, and is suitable for decoration of hospitals, places of entertainment, theaters and other public places and family indoor decoration.
Owner:程艳青

Botanical disinfection composition, disinfectant and preparation method thereof

The invention relates to the field of disinfectants, in particular to a botanical disinfection composition. The botanical disinfection composition comprises the following raw materials in parts by weight: 0.5-1.0 part of tea tree essential oil, 0.5-1.0 part of niaouli essential oil, 0.5-1.0 part of palmarosa essential oil, 0.5-1.0 part of lemon mint essential oil, and 0.3-0.8 part of lemon myrtle essential oil and / or litsea cubeba essential oil. The invention further provides a method for preparing the botanical disinfection composition, comprising uniformly mixing tea tree essential oil, niaouli essential oil, palmarosa essential oil, lemon mint essential oil, and lemon myrtle essential oil and / or litsea cubeba essential oil according to predetermined parts by weight. The botanical disinfection composition provided by the invention is low in usage amount of ethanol, small in toxic and side effects, good in sterilization effect and short in action time.
Owner:ZHANG SHUQING

Medical air purifier

The invention discloses a medical air purifier. The medical air purifier comprises an air cleaning device, an air filtering device, a plasma disinfecting device, an air benzene removal device, an ozone decomposing device, a negative ion purifying device and a centrifugal ventilator device. Through the design of multiple layers of structures, solid and liquid contaminants and germs in air are effectively cleaned away; meanwhile, negative ions are added in cleaned air, so that the air reaches ecological-level freshness and comfort.
Owner:HUNAN ZHONGNAN KAISI TECH DEV CO LTD

External medicament for treating dermatophytosis and preparation method thereof

The invention discloses an external medicament for treating dermatophytosis and a preparation method thereof. The external medicament is mainly prepared from medicaments including golden larch bark, amur corktree bark, areca nut, seed of nuxvomica poison nut, densefruit pittany root-bark, lightyellow sophora root, wrinkled gianthyssop herb, pepper, clove, indian buead and the like according to a certain weight proportion. The medicament has the effects of sterilizing, relieving itching and eliminating dermatophytosis, is used for treating dermatophytosis, has a good curative effect, does not cause relapse, and has a high curative rate.
Owner:兰恒志

Air purification system fpr public place

The invention discloses an air purification system for a public place. The air purification system comprises an ultraviolet decomposition chamber, a plasma decomposition chamber, a catalytic reactionchamber, an adsorption chamber and a plasma generator. Through multi-level structural design, solid and liquid contaminants and germs in air are effectively cleared, meanwhile, negative ions are addedto the cleaned air, and thus the ecological level of fresh and comfortable air is achieved.
Owner:HUNAN ZHONGNAN KAISI TECH DEV CO LTD

New use of orange essence in sterilizing

The present invention discloses new use of orange essence in sterilizing. The orange essence emulsion includes orange essence in 74.8% and glycerin in 25.2%, and is prepared through the following steps: 1. washing orange and crushing in mill to form emulsion; 2. centrifuging concentration to reach 1 / 8 of original weight; 3. adding glycerin in 30 %, mixing, stilling for 72 hr and shaking for 10 min; 4. 120-mesh centrifugal filtering to eliminate dregs; and 5. adding sufficient lactic acid to regulate pH value to 2.2-3.2.
Owner:怀星 +1

High-quality squid fresh-keeping and freezing process

The invention provides a high-quality squid fresh-keeping and freezing process. Fresh-keeping materials are prepared; the fresh-keeping materials are fully and uniformly dissolved in a solvent and then separately packed into a fresh-keeping agent I and a fresh-keeping agent II; the fresh-keeping agent I is crystallized or dried to produce fresh-keeping agent solid; the fresh-keeping agent solid iscrushed into fresh-keeping agent powder; fresh squid are washed, killed, then washed with water, and then blanched with boiled water; the squid are placed in the fresh-keeping agent II for soaking; the squid are taken out and evenly mixed with the fresh-keeping agent powder to enable the fresh-keeping agent powder to completely cover the surface of the squid; and the squid are put into packagingbags, and the packaging bags are filled with nitrogen gas to bulge the bags for sealing packaging. The shelf life can be up to about half a month. Before use, the he fresh-keeping agents on the surface of the squid can be washed by operations such as water-washing. The squid is complete, good in elasticity and delicious in taste. Therefore, the freshness of the squid can be efficiently kept, and damages such as physical collision and rubbing are avoided, so that the quality and taste of the squid are improved.
Owner:福建东山海源水产有限公司

Spraying agent for degrading indoor harmful substances and preparation method of spraying agent

InactiveCN107754584ABroaden the range of light wave absorptionHas the function of slow-release sterilizationBiocideGas treatmentSodium bicarbonateEnvironmental resistance
The invention discloses a spraying agent for degrading indoor harmful substances and a preparation method of the spraying agent, specifically to the field of environment-friendly decoration. The spraying agent comprises the following components in parts by weight: 10-15 parts of a photocatalyst, 5-10 parts of chitosan, 5-10 parts of nano transition metal powder, 10-15 parts of an adsorbent, 20-30parts of acetic acid, 5-7 parts of sodium bicarbonate, 10-20 parts of a robinia pseudoacacia ethanol extract, 5-10 parts of a melia azedarach ethanol extract, 10-15 parts of a chrysanthemum flos ethanol extract and 80-100 parts of deionized water. The spraying agent and the preparation method provided by the invention have the advantages of being short in time in decomposing harmful gases, low inprice, convenient to use, and the like.
Owner:杭州上匠装饰设计有限公司

Steam sterilization refrigerator

The invention discloses a steam sterilization refrigerator. The steam sterilization refrigerator comprises a refrigerator body and a steam sterilization component, wherein refrigeration chambers are formed in the refrigerator body; multiple first steam holes are formed in the walls of the refrigeration chambers, and are arranged in the vertical direction at intervals; the steam sterilization component is arranged on the refrigerator body, and comprises a steam generator and a water storage box; the steam generator has a water inlet and a steam outlet; the water inlet is communicated with the water storage box; and the steam outlet is communicated with each of the multiple first steam holes. According to the steam sterilization refrigerator disclosed by the invention, multiple first steam holes communicated with the refrigeration chambers are formed in the refrigerator body, so that high-temperature steam discharged from the steam generator can be quickly and uniformly transmitted into the refrigeration chambers, air in the refrigeration chambers can be sterilized, bacteria on the walls of the refrigeration chambers and bacteria attached to accessories in the refrigeration chambers can be killed, and the steam sterilization refrigerator has the advantage of good sterilization effect.
Owner:HEFEI HUALING CO LTD +1

Preparation method for polyolefin film with anti-bacterial function

The invention discloses a polyolefin film with an anti-bacterial function. The sterilizing polyolefin film comprises the following raw materials by weight percentage of: 100 % of polyolefin, 1%-10% of a functional monomer containing double bonds and an amine structure, and 0.1%-4% of a radical initiator, the raw materials are subjected to reactive extrusion through a double-screw extruder so as to prepare modified polyolefin raw granules, the modified polyolefin raw granules are subjected to a blow molding and casting film forming process, and a functionality film the surface of which is provided with a chloramine structure is prepared. The polyolefin film with the anti-bacterial function, provided by the invention, has the advantages of strong sterilizing function, good mechanical property and the like, and the abuse that the conventional anti-bacterial film utilizes a rear processing method of a finishing agent is overcome. The polyolefin film with the sterilizing function, provided by the invention, can kill bacteria for one time, and a functional group containing the amine structure is changed into a functional group with a chloramine antibiosis structure through the amine chloration, so that a film material has a circulating anti-bacterial function.
Owner:ZHENDE MEDICAL CO LTD +1

Tartaric acid skin lotion and preparation method thereof

InactiveCN105496822AAvoid harmImprove the effect of exfoliationCosmetic preparationsToilet preparationsMandelic acidPharmacology
The invention discloses a tartaric acid skin lotion and a preparation method thereof. The tartaric acid skin lotion is technically characterized in that the tartaric acid skin lotion is prepared from the following components in parts by weight: 90 to 120 parts of DL-mandelic acid, 55 to 70 parts of melaleuca alternifolia oil, 10 to 16 parts of grease-enrich agent, 8 to 10 parts of nutrient substances, 3 to 5 parts of moisturizer, 50 to 55 parts of lecithin, and 300 to 400 parts of deionized water. The tartaric acid skin lotion has the advantages that by adopting high-concentration tartaric acid, the skin corneum can be effectively removed; by utilizing the melaleuca alternifolia oil, the grease-enrich agent, the moisturizer and the nutrient substances which are coated in lipidosome, the high-concentration tartaric acid can be neutralized after the tartaric acid is active, the damage to the skin by the high-concentration tartaric acid is avoided, and the skin can be moisturized and nourished.
Owner:苏州工业园区安诺科斯化妆品研发有限公司

Preparation method of easy-to-dye polyimide fabric employing chemical reduction method

The invention relates to a preparation method of easy-to-dye polyimide fabric employing a chemical reduction method. The method comprises the following steps: (1) processing the polyimide fabric with an alkaline reducing liquid, to be specific, putting the polyimide fabric into a compressive container containing the alkaline reducing liquid, wherein the pressure is 0.1-0.2MPa, the temperature is 100-110 DEG C and the processing time is 10-60 minutes; and (2) washing the polyimide fabric: taking out and washing the polyimide fabric processed by the alkaline reducing solution for 6-10 times, and drying in an oven at 70-100 DEG C for 1-2 hours, wherein the alkaline reducing liquid is a mixed solution of sodium hydroxide or sodium carbonate and a reducing agent; the molar ratio of the sodium hydroxide or sodium carbonate to the reducing agent is 2 to 1; the molar percent concentration of the sodium hydroxide or sodium carbonate is 0.1%-10%; and the molar percent concentration of the reducing agent is 0.05%-5%. The polyimide fabric is changed into dyeable fabric from un-dyed fabric on the basis of not damaging the physical and chemical properties of the polyimide fabric; and the problem that polyimide is difficult to dye is solved.
Owner:JIANGNAN UNIV

Bath pool

The invention discloses a bath pool which is characterized in that the bath pool comprises a water tank, an oil and floating foam removing device, a stain collection device, an automatic water circulation purification system, a bath oxygen increasing device and a main controller, wherein the oil and floating foam removing device, the stain collection device, the automatic water circulation purification system, the bath oxygen increasing device and the main controller are arranged on the water tank, and the main controller is connected with the automatic water circulation purification system and the bath oxygen increasing device in a controlling mode; the water tank is provided with a water inlet pipeline and a sewage discharging pipeline; the oil and floating foam removing device is arranged in the water tank; the automatic water circulation purification system is provided with a water return pipeline connected with a water outlet channel and comprises a water pump, an over-flow type light-sodium dual-source water disinfection device, a combined filter bottle, a filter core device, a magnetization heating device, a first solenoid valve and a second solenoid valve; and the main controller is connected with the water pump, the over-flow type light-sodium dual-source water disinfection device, the magnetization heating device, the first solenoid valve and the second solenoid valve in a controlling mode. The bath pool is simple in structure, safe and healthy, and environmental friendliness and energy saving are achieved.
Owner:JIANGSU YOUMAY ELECTRIC APPLIANCE

Method for spinning pineapple-leaf yarn

The invention provides a method for spinning pineapple-leaf yarn. The method comprises: step 1, opening and combing pineapple-leaf fiber; and step 2, drawing, roving and spinning the pineapple-leaf fiber obtained through the step 1. The method is characterized in that the pineapple-leaf fiber is sprayed with an auxiliary agent and maintained for 12 to 24 hours before the step 1, and the weight ratio of the pineapple-leaf fiber to the auxiliary agent is 98:2-93:7. The method has the advantages that the pineapple-leaf fiber can meet the requirements of spinning process, and can be spun into 40-Ne pure pineapple-leaf fiber yarn.
Owner:DONGHUA UNIV +1

Sweat-absorbing antibacterial insole

InactiveCN105852321AGood elasticity and abrasion resistanceImprove comfortInsolesClothingsEnvironmental geologyFiber
The invention discloses a sweat-absorbing antibacterial insole which comprises an insole body. The insole body comprises an antibacterial layer, a first water absorbing layer and a second water absorbing layer, the antibacterial layer is positioned on the upper side of the first water absorbing layer, the second water absorbing layer is positioned on the lower side of the first water absorbing layer, skincare cloth is arranged on the upper surface of the antibacterial layer, and antibacterial pad is arranged inside the antibacterial layer. Silver fibers are arranged inside the antibacterial layer and have a strong sterilizing function, so that bacteria in a sole can be killed effectively; water absorbing paper and water absorbing resin are arranged inside the first water absorbing layer and the second water absorbing layer and have quite high water absorbing performance, and the water absorbing resin can effectively absorb foot sweat generated by a user in the process of movement; a rubber pad is arranged on the bottom layer and has high wear resistance and elasticity, so that comfort of the insole is improved, wear resistance is high, and service life of the insole is prolonged.
Owner:陈洁

Nano composite system with nitric oxide/photodynamic synergistic antibacterial and anti-inflammatory effects as well as preparation method and application of nano composite system

The invention discloses a nano composite system with nitric oxide / photodynamic synergistic antibacterial and anti-inflammatory effects as well as a preparation method and application of the nano composite system. The nano composite system comprises up-conversion nanoparticles of a core-shell structure, mesoporous silica wrapping the up-conversion nanoparticles, an AIE photosensitizer, an NO donor and modified polyethylene glycol which are loaded on the mesoporous silica. According to the nano composite system, the purpose of the synergy of two treatment modes triggered by one laser is achieved, the generated active oxygen, nitric oxide and peroxynitrite anions can be efficiently utilized to kill bacteria while the high biological safety is maintained, and the excellent antibacterial and anti-inflammatory effects are provided in the treatment of the S.aures infected bacterial keratitis model, and therefore the nano composite system has the potential of becoming an alternative strategy for treating bacterial keratitis.
Owner:WENZHOU INST UNIV OF CHINESE ACAD OF SCI

Method for preventing and controlling diseases in livestock and poultry breeding

The invention relates to a method for preventing and controlling diseases in livestock and poultry breeding. The method comprises the following steps: 1, improving the water quality: adding a water quality improver A to daily drinking water for livestock and poultry; 2, controlling environment: adding an environment improver B and a environment improver C to the daily drinking water for livestockand poultry, and spraying the drinking water containing the environmental improver B to the environment; and 3, supplementing physiological regulation nutrient: adding a mineral physiological regulator D to a daily feed for livestock and poultry. The method for preventing and controlling diseases in livestock and poultry breeding can remove drinking water biofilms ,dredge water lines and inhibit and kill harmful pathogenic bacteria in the drinking water, and also can improve the feed intake of animals, aid digestion, enhance the immunity and resist stress to prevent diseases in livestock and poultry; and the method can reduce the production cost and improve the economic benefit.
Owner:南京雷德蒙德农业科技有限公司

Negative air ion deodorizing device for electric refrigerator

The invention provides a negative air ion deodorizing device for an electric refrigerator. The negative air ion deodorizing device comprises a half-wave rectifying circuit, a 12 V direct-current voltage stabilizing power supply, a light-sensitive circuit, a monostability delay circuit and a negative ion generator circuit, and is characterized in that the selected type of a time base circuit IC1 in the monostability delay circuit is NE555. According to the negative air ion deodorizing device, air is ionized by high-voltage corona discharge to generate a large amount of negative air ions and a small amount of ozone, the negative air ions and the ozone are diffused and can be used for quickly removing odor in the electric refrigerator so as to keep original flavor of food in the electric refrigerator and prevent the food from being tainted by other odor; meanwhile, the ozone is a strong oxidant with very powerful functions of sterilization and disinfection, while negative oxygen ions can be also used for inhibiting biochemical process in vegetables and fruits so as to keep the vegetables and the fruits fresh to a certain extent; the original circuit layout of the electric refrigerator does not need to be changed when the negative air ion deodorizing device is mounted; and the circuits have the advantages of simplicity, convenience for use, very low power consumption and the like.
Owner:韩春龙

Water purifying material preparation method

The purpose of the present invention is to provide a preparation method of a water purification material with good electron transport performance, uniform film layer and high mechanical strength. The chitosan in the preparation method of the present invention has good adsorption performance, is environmentally friendly, and has stable performance in preparing composite materials with titanium dioxide and graphene, and can increase the tensile performance, tear resistance and adsorption performance of the composite materials , It is also convenient for the recycling of water purification materials.
Owner:WUHAN QIANRUITAI ENVIRONMENT TECH CO LTD

Environmentally friendly air purifier

The present invention discloses an environmentally friendly air purifier, comprises an air filter device, a plasma decomposition chamber, a catalytic reaction chamber, an adsorption chamber and a plasma generator; through multi-level structure design, the air purifier effectively cleans solid and liquid contaminants and bacteria in the air, meanwhile also adds anion to the cleaned air to bring theair to an ecological level of freshness and comfort.
Owner:湖南凯誉电气科技有限公司

Wastewater treatment system and treatment method based on boron-doped diamond film

The invention discloses a sewage treatment system and treatment method based on a boron-doped diamond film. The sewage treatment system comprises a coarse and fine grid tank, an aeration tank, a primary sedimentation tank and a boron-doped diamond film pretreatment tank, an acid-base regulating tank, a secondary sedimentation tank, a membrane bioreactor, a hollow fiber ultrafiltration tank and a boron-doped diamond film deep treatment tank which are all connected in series through a pipeline, wherein the boron-doped diamond film is adopted as an anode by the boron-doped diamond film pretreatment tank and the boron-doped diamond film deep treatment tank. By means of the sewage treatment system and treatment method, hydroxy radicals, ozone and other oxidants are generated through an electrochemical advanced oxidation method to effectively degrade sewage with high concentration, high toxicity and high COD and rapidly degrade sewage with low concentration and low COD in an environmentallyfriendly way separately.
Owner:OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI

Preparation method of titanium dioxide-CNT (carbon nanotube)-chitosan thin film

The invention aims to provide a preparation method of a composite material with high air pollutant degradation efficiency, and a titanium dioxide attached thin film of the composite material is uniform and is not prone to falling off. According to the prepared titanium dioxide and chitosan polymerized composite material, titanium dioxide has excellent catalytic oxidation performance, can efficiently treat organic compounds and part of inorganic matter in water and has quite strong antifouling, sterilizing and deodorizing functions, and the composite material saves cost, protects environment and has higher economic benefits.
Owner:WUHAN QIANRUITAI ENVIRONMENT TECH CO LTD
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