73results about How to "Strong oxidative decomposition ability" patented technology

The invention relates to a process for treating high-concentration pyridine waste water, which comprises the following steps of: regulating raw water of waste water to be acidic, and treating the raw water in electro-catalytic oxidation equipment; leading effluent to a micro-electrolysis device for treatment under the condition of maintaining the acidity and oxygen enrichment of the waste water; regulating the effluent to be meta-alkalescent, and adding chemicals to perform coagulating sedimentation; and controlling the salinity of the waste water to be below 2 percent, and performing biochemical treatment in an anaerobic hydrolyzing device and a pressurizing biological contact oxidation device, so that the effluent reaches the conventional first-level standards for sewage discharge. Due to the adoption of a physico-chemical treatment process serving electro-catalytic oxidation as a core, pyridine pollutants can be decomposed effectively, the toxicity of the waste water can be reduced, and the biodegradability of the waste water can be improved; for biochemical treatment is realized by a combination process of anaerobic hydrolysis and pressurizing biological contact oxidation, the organic loads, treatment efficiency and salt-tolerant capacity of the biochemical treatment are improved; and the process has the characteristics of high impact load resistant capacity, good treatment effect and low operating cost, and the treated high-concentration pyridine waste water can reach the standard stably before discharge.

The invention provides a composite material with formaldehyde purification function, which is prepared by dissolving 45-73 parts by weight of powder with formaldehyde purification function, and one or both of 0.15-1.2 parts by weight of reinforcing fiber and 15-20 parts by weight of filling material in 20-40 parts of compound solution. The powder with formaldehyde purification function is prepared by mixing 38-55 parts by weight of calcic inorganic base, 6-16 parts by weight of algae and 3-6 parts by weight of modifier; and the compound solution is compounded from 100 parts by weight of clear water, 1.5-2.0 parts by weight of crystal modifier, 0.4-0.5 part by weight of waterproofing agent and 0.4-0.5 part by weight of defoaming agent. The formaldehyde adsorption rate of the composite material is 95%, the formaldehyde purifying effect durability is up to 90%, the methylbenzene adsorption rate is 68.5%, and the methylbenzene purifying effect durability is up to 50.4%. Compared with the chemical process, biosorption process and adsorption process adopted by the traditional formaldehyde purification material, the invention has the advantages of natural and environment-friendly raw materials, obvious purifying effect, wide product derivation performance and low cost.

The invention discloses a preparation method of a catalytic wet oxidation catalyst composited by precious metal, transition metal and rare earth. The preparation method comprises the following steps: (1) preparing a gamma-Al2O3 carrier for later use; (2) preparing 20.0 weight parts of impregnation liquid containing Pd<3+>, Fe<3+>, Co<3+> and Ce<3+>; (3) impregnating the gamma-Al2O3 carrier prepared in the step (1) into the impregnation liquid prepared in the step (2), and performing dynamic impregnation; (4) taking out the gamma-Al2O3 carrier which is dynamically impregnated, drying the gamma-Al2O3 carrier, and putting the dried gamma-Al2O3 carrier into a muffle furnace for roasting to obtain the catalytic wet oxidation catalyst. According to the prepared catalytic wet oxidation catalyst, the oxidative decomposition capability can be improved, the reaction speed is increased, and the removal rate and the biodegradability of organic matters in waste water are greatly improved.

The invention provides a powder with continuous air optimization function, wherein the powder is prepared by mixing and stirring inorganic matrix, alga and mineral modifying agent according to the weight ratio of 72.5-90:5-20:5-8.5. The invention further provides a work of art with continuous air optimization function, according to part by weight, the work of art is prepared with the powder with continuous air optimization function by the steps of mixing and stirring in a compounded solution, pouring, vacuumizing or compression molding, maintaining and drying, and surface treatment. In comparison with the traditional technology, the work of art provided by the invention has the characteristics of decorative artistry and accumulation property of the traditional work of art, by special crystal and function, the synthesis and culture of the crystal are promoted, the product further has the ecological healthy functions of continuously purifying formaldehyde, generating negative oxygen ions, dispelling odor, being antibacterial and preserving moisture.

The invention discloses water and oil proofed and antibacterial paper. The water and oil proofed and antibacterial paper comprises a water and oil proofed and antibacterial coating and is prepared from the following components in percentage by weight: 2 to 8% of antibacterial agent, 3 to 9% of migration agent, 2 to 10% of water and oil proofing agent, 1 to 10% of dispersing agent, and 63 to 92% of water, wherein the antibacterial agent is nanometer titania. The paper has both the water and oil proofing function and antibacterial function. The invention also provides a preparation method of the water and oil proofed and antibacterial paper. The preparation method comprises the following steps of: firstly, wrapping the antibacterial agent with the migration agent; secondly, sequentially adding the dispersing agent, water and oil proofing agent and water to a homogeneous aqueous solution generated by the antibacterial agent and the migration agent so as to obtain the water and oil proofed and antibacterial coating; and thirdly, coating the prepared water and oil proofed and antibacterial coating onto the paper, and drying. By adopting the preparation method, the physical performance and printing performance of the paper are remained, the paper can be prevented from water and oil permeation, has a lasting antibacterial performance, and is resistant to high temperature and high in safety for a human body.

The invention discloses a titanium heat exchanger for an air conditioner, and a processing method thereof. The titanium heat exchanger comprises a heat exchange pipe and cooling fins. The surface of each cooling fin is provided with a TiO2-containing titanium coating, the titanium coating contains CuO and Ag2O, the mass percentage of CuO is 10%-15%, and the mass percentage of Ag2O is 10%-15%. When the light is sufficient, the titanium coating of the heat exchanger is decomposed under the photochemical catalysis of the ultraviolet light, and various organics attached on the titanium oxide surface are removed. When the light is insufficient, titanium oxide also can make the internal electrons excited to generate hydroxyl atomic groups and hydrogen peroxide under the action of nano silver and nano copper, so as to decompose the organics. Therefore the heat exchanger has long-term and stable effect of anti-bacterial and mildew-removal.

The invention belongs to the technical field of microbes and relates to a biological promoter for rapid promotion of microbial breeding. The biological promoter comprises, by weight, 30-80 parts of brown granulated sugar, 5-50 parts of starch, 5-40 parts of peptone, 1-20 parts of yeast powder, 1-10 parts of potassium dihydrogen phosphate, 1-10 parts of ammonium sulfate, 0-1.5 parts of magnesium sulfate, 0-1.5 parts of calcium chloride, 0-1.5 parts of citric acid, 0-5 parts of composite amino acid powder, 0-5 parts of composite vitamin tablets, 0-1.5 parts of protease, 0-1.5 parts of cellulase and 0-1.5 parts of lipase. The biological promoter is used for a sewage treatment system, is conducive to activated sludge activity improvement, improves the number and diversity of microbes in activated sludge, improves a COD degradation rate of a sewage treatment system and improves system stability.

The invention discloses a photo-catalytic synergistic magnetic separation sewage treatment device and method. The photo-catalytic synergistic magnetic separation sewage treatment method comprises photo-catalytic reaction, micro-flocculation, disk magnetic separation, magnetic medium circulation and the like; an ultraviolet lamp group is arranged inside a photo-catalytic reactor; sewage enters froma water inlet pipe of the reactor; a magnetic photo-catalyst reacts with pollutants in the sewage under the irradiation of ultraviolet light and enters a micro-flocculation pool after photo-catalyticreaction, so that impurities in wastewater are attached to the surface of a magnetic medium and are removed by a fixed slag scraping device under the action of the magnetic force of a disk drive, andthe water purifying purpose is achieved. The photo-catalytic synergistic magnetic separation sewage treatment device and method disclosed by the invention have the benefits that the pollutants in thesewage are effectively removed under the actions of photo-catalysis, flocculation, a magnetic field and the like; the magnetic photo-catalyst can also be recovered and has a wide market application prospect; the magnetic medium, namely 'laterite', can achieve the purpose of treating wastes with wastes; the fixed slag scraping device is adopted for removing slag and has the advantages that the cost is low, a magnetic disk selects a permanent Rufe Boron magnet with extremely-high magnetic property, and the like compared with a traditional slag discharge device.

The invention discloses a novel catalyst includes following raw materials, by weight: 35-100 parts of deionized water, 5-25 parts of titanium dioxide, 6-15 parts of silver nitrate, 2-5 parts of a defoaming agent, 2-8 parts of a wetting agent, 0.1-0.5 parts of a thickening agent and 15 parts of a nature luminescent agent. In the invention, the nature luminescent agent and metal catalysts are added on the basis of a formula of a catalyst in the prior art so that the novel catalyst has a quite excellent light-free catalytic effect. By means of the novel catalyst, various organic substances adhered onto a surface of a filter screen base material can be decomposed and removed even under a light-free condition. The novel catalyst has a strong air purifying function.

The invention discloses sewage purifying treatment equipment for water conservancy and hydropower environment engineering. Sewage is collected, is then converged in a main pipe and firstly enters a grid-type septic tank, and the sewage intercepted by grids automatically flows into a water quantity and water quality adjusting tank for water quantity adjustment and water quality homogenization; a three-dimensional elastic filler is mounted inside a hydrolyzing and acidifying reaction tank so as to increase the number of microorganisms per unit volume, and under the action of a large number of hydrolyzing bacteria and acidifying bacteria, high molecular non-degradable pollutants are hydrolyzed into easily-degradable small molecular substances, so that the biodegradability of the sewage is improved and a foundation is laid for a subsequent treatment technology; effluent water automatically flows into an A/O biochemical tank and is reduced into C, N and O in molecular states; effluent waterautomatically flows into a built-in MRB membrane bioreaction tank, and a filtrate flows through a water collecting pipe of an MRB membrane assembly and is converged into a disinfection tank; remaining sludge is discharged into the septic tank, regularly sucked by a fecal suction truck, externally transported and disposed; waste gas is deodorized by a waste gas treatment device and emitted at a high altitude. The sewage treatment efficiency is high, waste gas emission is up to the standard, and the harmless wastewater treatment performance is strong.

The invention discloses a photocatalytic tube wall type purification fire prevention system which includes a plurality of flue pipes, a plurality of flue pipe type photoreactors, and a control device. Each flue pipe type photoreactor is installed in one of the flue pipes in tandem connection, and includes a photocatalytic layer and a mounting bracket. The inner wall of the flue pipes is coated with the photocatalytic layer, and the flue pipes in up and down vertical tandem connection turn into a tube wall type photocatalytic flue pipe. The mounting bracket is provided with uv lamps extending into the tube wall type photocatalytic flue pipe. The control device includes a plurality of temperature detectors, a smoke concentration detector and a controller. The smoke concentration detector is installed at the outlet of the tube wall type photocatalytic flue pipe for testing smoke concentration information in the tube wall type photocatalytic flue pipe and transmitting to the controller, each temperature detector is installed in one of smoke channels for detecting the temperature information of the corresponding smoke channel and transmitting to the controller. The controller opens a corresponding position and a certain number of the uv lamps according to the temperature detectors and the smoke concentration detector.

The invention relates to an atomization equipment for condensed water in air-conditioner. Fan (2) set at the outlet for heat-dissipating (1) drives micro pump (3), the inlet pipe of the pump is connected with collecting plate for condensed water in air-conditioner, the port of outlet pipe is on the position of outlet for heat-dissipating or on the top of fan, filter mesh (4) is set on the inlet pipe, outlet pipe is transparent, titanium dioxides (TiO2) coating is coated to the surface of filter mesh and inner cavity of inlet pipe, which is irradiated by LED lamp (5) at the side of it, micro power generator (6) set on the position of outlet for heat-dissipating provides power supply to lamp (5). Water in collecting plate for condensed water in air-conditioner is pumped by micro pump driven by fan rotary, which is driven by discharged wind, because fan is set on the position of outlet of heat-dissipating; and then the water spraying on outlet of heat-dissipating or on the top of fan is blown dispersedly, it is easily atomized and vaporized, so corrasion by condensed water for air-conditioner parts is avoided and there are no need to consume other power energy. Under the irradiation of sunshine, UV lamp or LED lamp, powerful oxygenolysis action generated by titanium dioxides (TiO2) coating of filter mesh and outlet pipe has certain bactericidal effect for condensed water and emanation of mycoplasm hyopneumoniae or virus in condensed water is prevented effectively.

The invention discloses an environment-friendly air purifying agent based on a photocatalytic material and a preparation method thereof. The environment-friendly air purifying agent is prepared from the following raw materials, in parts by weight: 32-38 parts of silicon dioxide pellet emulsion, 18-22 parts of photocatalytic material, 6-10 parts of pretreated clinoptilolite, 5-9 parts of porous mineral powder doped bauxite, 2-6 parts of peat, 3-5 parts of dolomite dust, 3-5 parts of tourmaline powder, 1-3 parts of carbonized rice hull and 20-26 parts of deionized water. Compared with the priorart, the sterilization and formaldehyde adsorption effects of the environment-friendly air purifying agent based on the photocatalytic material are improved obviously, and the environment-friendly airpurifying agent has the high utilization value and the good application prospect.

The invention discloses a micro-nano oxygen-rich ozone bubble water generator and a control method thereof. The generator comprises a multi-stage pump, a high-pressure tank and a controller. The inletend of the multi-stage pump communicates with a water source through a water inlet pipe, the multi-stage pump communicates with the high-pressure tank via a pipeline, an air inlet pipe is arranged atand communicates with the water inlet pipe at the front side of the multi-stage pump, and a first electromagnetic valve is installed at one end, away from the water inlet pipe, of the air inlet pipe;and the generator further includes an ozone generator and an oxygen generator. The method includes the following steps: a, the controller starts a self-priming pump to work, and the controller controls the first electromagnetic valve and a third electromagnetic valve to close, and opens a second electromagnetic valve; b, the controller starts the multi-stage pump for work, and the controller controls the second electromagnetic valve to close, and opens the third electromagnetic valve; c, the controller controls the ozone generator and the oxygen generator to work, and opens the first electromagnetic valve; and d, the controller starts a blower for work. The micro-nano oxygen-rich ozone bubble water generator of the invention can improve the oxidative decomposition effect of colored organic matter in a water body and can improve the effect on treatment of water.

The invention discloses a PVA-containing desizing printing and dyeing wastewater pretreatment method, and relates to the technical field of textile printing and dyeing wastewater treatment. The methodspecifically comprises the following steps: S1, respectively adding lignosulfonate, acrylamide and ammonium persulfate into PVA-containing desizing printing and dyeing wastewater, and carrying out mixing for a reaction to obtain a wastewater mixture, S2, discharging the wastewater mixture in the step S1 into a first-stage mixed reaction sedimentation tank, adjusting the pH value by using sulfuricacid, adding ferrous sulfate for a reaction, adjusting the pH value by using sulfuric acid or alkali, adding PAM for a reaction, precipitating the mixture in a sedimentation tank, and discharging precipitated effluent into a second-stage mixing reaction sedimentation tank, and S3, adjusting the pH value with alkali in the second-stage mixing reaction sedimentation tank, carrying out an aeration reaction process in a reaction tank for 1-2h, adding ferrate and PAM into the reaction tank, carrying out a reaction process, and carrying out sedimentation in a sedimentation tank. According to the method provided by the invention, the removal rate of COD in PVA desizing printing and dyeing wastewater reaches 55%, the load of organic matters entering a biochemical treatment system is reduced, andsubsequent biochemical treatment and up-to-standard discharge of the wastewater are facilitated.

The invention discloses a negative-ion ozone purifying device, which comprises a shell, a liquid crystal display screen, an integrated circuit board, a high-voltage negative-ion module, an ozone tube generator, an air pump, an electrode board and a negative-ion integrated board, wherein the liquid crystal display screen is positioned on the surface of the shell; the integrated circuit board is positioned inside the shell; the air pump is connected with the ozone tube generator; the electrode board is provided with high-voltage discharge needles; the integrated circuit boards output three wires which are connected with the high-voltage negative-ion module, the ozone tube generator and the air pump respectively; the high-voltage negative-ion module outputs a positive wire and a negative wire; the positive wire is connected with the high-voltage discharge needles on the electrode board; the negative circuit is connected with the negative-ion integrated board; the electrode board and the negative-ion integrated board are arranged on a negative-ion integrated frame; a row of high-voltage discharge needles are vertically arranged on the electrode board; a row of air outlet holes are formed on the negative-ion integrated board; and the tips of the high-voltage discharge needles face the air outlet holes. The negative-ion ozone purifying device can automatically generate wind and ozone, has large air amount, can be used for filtering dust and peculiar smell and has a sterilizing function.

The invention aims to provide a biological enhancer with low cost, high treatment efficiency, long duration of action and no secondary pollution for improving the COD degrading capability of aerobes in waste water, and a method for performing degradation treatment on COD in waste water using the enhancer. The biological enhancer comprises the following components by mass part: 1 part of proteins, 1-5 parts of glucose, 1-5 parts of pectin, 0.1-10 parts of aluminum hydroxide, and 0.1-10 parts of polysilicon. The method for treating waste water using the enhancer comprises the following steps: (1) putting the biological enhancer and water into a dissolution facility, uniformly stirring, and performing activating treatment for 1-8 hours; and (2) putting the biological enhancer which is subjected to the activating treatment and dissolution into an aerobic treatment unit for waste water treatment, once a day, totally for 15-30 days, wherein the aerobic treatment unit runs normally during this process. The biological enhancer and the method can be applied to the field of waste water treatment.