266results about How to "To achieve the purpose of purification" patented technology

The invention discloses a preparation method of extracting carnosin, that is, dry rosemary is immersed in organic solvent, and extracted for 10-60 min in 20-55 DEG C ultrasonic, and filtered to acquire the extract of dry rosemary, and acticarbon is added into the extract of dry rosemary, the quality ratio of the acticarbon and dried rosemary extract is 1: 15- 1: 25; the extract is decolored for 5- 20 min in 25-45 DEG C ultrasonic, and the extract liquid is acquired before being filtering for 1-2 times; the extract liquid is distilled to dryness to acquire the solid. Ethylenediamine tetraacetic disodium is added into the solid to dissolve the solid, then alkali is added to adjust PH to 8.0-9.5 before getting the colature.liquid finally, and acid is added to adjust PH to 2.3-3.0 till precipitation is produced in the colature liquid, and then carnosin is acquired after the precipitation is dried. Without any crystallization, the purity of carnosin can reaches as high as 99.42%, and the extraction process is simple and can be easily operated in short time.

The invention discloses a water treatment device for combining low-temperature plasma and air oxidation. The device comprises a reaction vessel, an oxidation device and a discharging device, wherein the oxidation device is arranged at the bottom of the reaction vessel and used for forming bubbles in the reaction vessel and improving the mass transfer of oxygen and water; the discharging device comprises an electrode and a power supply which are arranged in the reaction vessel; and the electrode is used for generating free radicals, ozone and UV-light by discharging to initiate oxygen participated chain reaction in water. In the invention, air is blown in wastewater by the oxidation device, and the tiny bubbles are formed in the aqueous solution, and the mass transfer between the oxygen and the water is realized in the movement process of the bubbles. The invention strengthens the oxidation reaction with pollutants in water under the action of the plasma, degrades the pollutants in thewater and achieves the aim of purification.

The invention provides a carbon tetrachloride polluted water source treatment device and application thereof. The device comprises a water inlet tank, a simulated soil layer tank and a water outlet tank, wherein the water inlet tank is connected with the simulated soil layer tank through a left partition; the simulated soil layer tank is connected with the water outlet tank through a right partition; the lower part of the left partition is provided with an influent water guide tube set; the influent water guide tube set is communicated between the simulated soil layer tank and the water outlet tank; and the inner side of the bottom of the simulated soil layer tank is vertically provided with a reaction well casing set. The treatment device provided by the invention can effectively remove the carbon tetrachloride pollutant in the water body, and can not generate secondary pollution.

The invention relates to an organic waste gas treatment system and a treatment method thereof. The organic waste gas treatment system comprises a plurality of organic waste gas supply devices (1), anadsorption and desorption device (2), a catalytic combustion device (3) and a control device (4); and the adsorption and desorption device (2) comprises a first adsorption and desorption chamber (11)and a second adsorption and desorption chamber (12) which are used alternately, the catalytic combustion device (3) comprises a wind dividing cutting heat exchanging part (28), a heat storage part (37) and a catalytic combustion part (40), the control device (4) comprises a frequency converter (46) controlling the flow velocity or the flow quantity, a constant temperature control unit enabling a preset temperature, a first rising temperature, a second rising temperature and a heating temperature of heating of a burner to be constant within a preset range, and a treatment unit (78) which is connected with the frequency converter (46) and the constant temperature control unit (47). The treatment method automatically conducts high-efficiency purification treatment on a plurality of organic waste gas sources simultaneously, the heat is utilized maximumly, and the purifying effect is stable.

The invention provides a method for purifying waste water and recovering waste materials on line in electroplating and chemical plating processes. The method comprises the following steps of: directly arranging a capacitance deionizer in a water washing device on a production line to adsorb various negative ions and positive ions in waste water during charging a battery so as to purify the waste water; and then releasing and recovering waste materials through electrode discharge so as to realize zero release of pollutants. The invention ensures that the capacitance deionization method is suitable for the manufacturing processes of various electroplating or chemical plating products through the optimization of process parameters. Through on-line purification and recycle of washing water, the burden of the traditional waste water treatment system is obviously reduced, meanwhile, the quality of plating pieces is guaranteed because the water quality of the washing water is obviously improved, and the classified recovery of waste materials can be achieved. The method can also obviously reduce the COD in the waste water and has wide application prospect in the fields of electroplating and chemical plating.

The invention discloses an energy-saving high-performance dry-process calcium hydroxide production line. The production line comprises a material delivery device, a digestion device, a powder selecting device, a water source supply device and a PLC control system; the material delivery device is connected with the inlet of the digestion device by use of a conveying mechanism; the digestion device is provided with at least three digesters orderly connected with one another, and the outlets and the inlets of the adjacent digesters are orderly communicated with each other; a dust remover and a heat conversion system for digesters are arranged in the water source supply device; the water outlet of the heat conversion system is communicated with the water inlet of the primary digester; the powder selecting device comprises a powder selector and a dust remover for the powder selector; the feeding hole of the powder selector is communicated with the discharge hole of the digestion device via a conveying mechanism; the discharge hole of the powder selector is divided into a powder outlet and a slag outlet; the air outlet of the powder selector is connected with the air inlet of the dust remover for the powder selector; the discharge hole of the dust remover for the powder selector is communicated with a finished product output mechanism. According to the energy-saving high-performance dry-process calcium hydroxide production line, the purity of the finished product is improved, environmental pollution caused by accidental leakage during production can be prevented, the energy is saved, the emission is reduced, the automation degree is high and no production personnel is needed; in short, the production line conforms to the national environmental protection policy intention.

The invention discloses a casting resin sand regeneration production line. The production line comprises a vibration shakeout machine. A material outlet is arranged under the vibration shakeout machine. A vibration conveyor is arranged in the material outlet. The vibration conveyor delivers the materials to a bucket elevator (A). The bucket elevator (A) transports the materials to a sand bin (A). The sand bin (A) delivers the materials into a grinding machine to grind the materials. Then the materials are transported to a sand bin (B) through a bucket elevator (B). The materials in the sand bin (B) are delivered to a boiling cooling bed so as to cool the materials. After cooling, the materials are delivered to a sand bin (C) through a bucket elevator (C). The materials in the sand bin (C) are transported to a sand bin (D) by a force regenerator. The material outlet of the sand bin (D) is provided with a sand temperature regulator. After the temperature is adjusted by the sand temperature regulator, and the materials are delivered to a sand bin (E) through a bucket elevator (D) and then transported to a sand mixing machine by a pressure feeding system so as to reclaim the materials. The provided casting resin sand regeneration production line can improve the recovery rate of resin sand, moreover, the recovering effect is good, the cost is low, and no pollution is generated.

The invention relates to a method and device for integrally removing multiple pollutants in tail gas through plant ash seriflux. The method comprises the steps that plant ash seriflux is adopted for independently or jointly oxidize and remove SO2, NOx, Hg, H2S, HCl and HF in tail gas of a combustion or chemical device; tail gas containing SO2, NOx, Hg, H2S, HCl and HF from a boiler or kiln or chemical device is cooled and enters a rotary absorption reactor; soluble or acid gas SO2, NO2, Hg2+, H2S, HCl and HF can be directly washed and absorbed by a solution, and indissolvable gas NO and Hg0 can be absorbed by a solution after being pre-oxidized or oxidized by an additive into NO2, HNO2, HNO3 and Hg2+. According to the method, resource utilization can be achieved for solid waste produced by biomass burning, multiple pollutants can be integrally removed, the purpose of dealing with waste by waste is achieved, secondary pollution is avoided in the whole removal process, and the market development and application prospect is wide.

The invention relates to a vehicle-carrying hands-free telephone device based on microphone array, which comprises: a microphone with four microphone arrays connected to mobile phone by a vehicle-carrying speech processing system contained a receive amplification and send unit with one end connected to the microphone and another end connected to the speech output unit, a speech purification processor connected to a JTAG interface, two memories, and speech output unit; a SRAM and FLASH memory, a time-sequence allocation and control unit connected to the receive amplification and send unit, two memories, speech purification processor and power unit; a power unit, and a speech output unit with another end connected to mobile phone. This invention can connect to common mobile phone and form high-quality vehicle-carrying speech communication system.

The invention provides a method for purifying heavy polluted water by virtue of a 'bionic plant and ecological floating bed' combination device. The method is characterized in that the combination device comprises two parts including an ecological floating bed and bionic plants, wherein the ecological floating bed adopts a frame structure and comprises a frame, a bottom bracket and a covering net, and the bionic plants adopt fiber materials and iron wires with different specifications to respectively imitate the roots, the stems and the leaves of aquatic plants. The pollutant degradation principle of the combination device is that the comprehensive degradation of main pollutants in water can be realized by the absorption of ecological floating bed plants, the radial oxygen loss and the attachment of microorganisms of the bionic plants. The method solves the technological difficulties of short plant root systems and poor adhesion of root system microorganisms of an original ecological floating bed which is separately used in heavy polluted water, and also solves the problem that a processing system is low in content of dissolved oxygen when a bionic plant is separately used.

The invention relates to the technical field of flue gas purification, particularly to a dual-cyclone dust removal and desulfurization multiplier for a wet flue gas desulfurization absorption tower. According to the absorption tower utilizing the dual-cyclone dust removal and desulfurization multiplier, a dual-cyclone multiplier and spray layers are sequentially arranged between a flue gas inlet and a flue gas outlet from bottom to top, the dual-cyclone multiplier comprises the maximum quantity of dual-cyclone multiplier units regularly arranged, each dual-cyclone multiplier unit comprises an inner cyclone cylinder arranged inside an outer cyclone cylinder, a blind cylinder is arranged in the center of each inner cyclone cylinder, the inner cyclone cylinders are provided with inner cyclone blades, and the outer cyclone cylinders are provided with outer cyclone blades. By the aid of kinetic energy of flue gas in the absorption tower, tiny particulate matters in the flue gas collide with one another, are agglomerated and are condensed into large drops when the flue gas passes through the blades of the dual-cyclone multiplier and is subjected to gas-liquid impact on walls of the cyclone cylinders, then the large drops are captured by liquid membranes on surfaces of the cyclone cylinders, so that the purification purpose of removing tiny particulate matter is achieved, the SO2 removal reaction can also be accelerated, and the removal efficiency is improved.

The invention discloses a method and device for preparing and purifying a carbon dioxide adsorbent used for removing carbon dioxide from airflow and belongs to the technical fields of air pollution control and environmental protection. The method is characterized by comprising the following steps: mixing salts of iron or manganese or cobalt or copper and related derivative materials, alkali or alkaline substances and related derivative materials, water and a forming agent according to a certain ratio and procedure, drying and activating the obtained solid compound or mixture so as to obtain asolid product, namely the adsorbent. The adsorbent is introduced into a gas-solid reactor, the carbon dioxide in the airflow carries out a gas-solid reaction with the adsorbent at a certain temperature so as to be removed, and then the adsorbent is regenerated and recycled. The invention furthermore discloses a related purification device.

The invention belongs to the technical field of biological activated carbon and biological water purifying agents, and particularly relates to a water purifying agent of self-forming block carbon carrier immobilized microorganisms and a preparation method thereof. Self-forming block porous carbon is placed in a culture medium, compound bacterial strains are inoculated into the culture medium at the same time, and after oscillating co-culture and drying, the microbial water purifying agent is prepared; because porous blocks are formed in the synthesis process of carbon carriers, the compression molding process of the carbon carriers is not involved in the preparation of the microbial water purifying agent, the procedures are simplified, and the cost is saved; meanwhile, the self-forming block carbon has hydrophilicity, and the effect of adsorbing and fixing the microorganisms is improved in the co-culturing process of the carbon and the microorganisms; the water purifying agent has the advantages of achieving a double purification functions of adsorption and degradation and being stable in effect, easy to precipitate and treat and the like, and is very suitable for the large-scale treatment of anaerobic wastewater for culture.

An ionic sieve for defluorinating the drinking water is compased of the powder of montmorillonite column compound as carrier and one or more of Cu, Ag, Ce and Gd as active component. Its preparing process includes such steps as preparing Ti columning agent, mixing with montmorillonite, calcining, immersing in the solution of said metals, and heating.

The invention discloses equipment and a method used for solid particle or solid-liquid mixture washing and purification. The equipment comprises a tank body, a spray device, an overturning device and a limit switch; the spray device is arranged above the tank body; a filter layer is arranged in the tank body, a filtrate chamber is arranged below the filter layer, and a liquid drain hole is formed in the bottom of the filtrate chamber; a rotating shaft is arranged at the bottom of the tank body, and the bottom of the tank body is connected with the overturning device; the limit switch is arranged on the tank body or overturning device. The method includes that (1) filtering, to be specific, placing solid-liquid mixture on the filter layer, wherein the liquid enters the filtrate chamber through the filter layer and is drained through the liquid drain hole; (2) spray washing, to be specific, carrying out spray washing on solid granular material or the filter cake of the step (1); (3) water controlling and draining, to be specific, carrying out water controlling and draining on the washed solid granular material or filter cake; (4) overturning to discharge material, to be specific, starting the overturning device to discharge the solid granular material or filter cake from the tank. The equipment cost is low; the method is short in flow, high in automatic degree and high in washed product purity.

A wood pulp denaturalization production process for producing viscose fibers is used for solving the problems of high energy consumption, serious pollution, low alpha cellulose content of produced products, poor reactivity and the like of an existing method. The wood pulp denaturalization production process includes the working procedures of wood pulping, repulping, alkali pre-impregnation, cooking, desanding by washing, xylanase treatment, seeping and rinsing, acid treatment, pulp washing and manufacturing paper with pulp. In the working procedure of cooking, 16-22% of alkali is used, 1.75% of additive sulfonate, and the bath ratio is 1:3.5-4. In the working procedure of xylanase treatment, the PH (potential of hydrogen) value is lower than 9, the temperature is 50 DEG C, enzyme is diluted to be 0.125%, reaction time is 1.5-2 hours, the concentration of the pulp is 5-8%, and the dosage of the enzyme is 45-80 grams/ton. The pulp is purified by combining chemical treatment with biological treatment, and compared with a pure chemical method, the process has the advantages that the produced wood pulp is high in alpha cellulose content, the dosage of chemical agents is low, and pollution is less.

The invention relates to a millipore membrane filter for treating heavy water waste water, which belongs to the technical field of wastewater treatment. The filter comprises a tank body, a stainless steel tube sheet, a bulky polyfluortetraethylene membrane filter bag, filter bag support cage frameworks, an acid feeding flexible valve, a reflux flexible valve, a backsurge flexible valve, a mud discharge flexible, a cleaning agent liquid feeding valve, an air electromagnetic valve and an exhaust electromagnetic valve, wherein the bulky polyfluortetraethylene membrane bag is sleeved on the filter bag support cage framework, and all filter bag support cage frameworks are fixed on the stainless steel tube sheet through screws. The stainless steel tube sheet divides the tank body into two parts, wherein the upper part is a clean water area, and the lower part is a waste liquid area (a filter area). The filter has a simple structure, and takes a membrane made of a bulky polyfluortetraethylene material as a filter material, so as to achieve the real surface filter effect, and completely retain impurities in an acid liquid on the surface of the membrane. Because the selected membrane has excellent acid resistance, hydrophobias and smaller friction coefficient, the block phenomenon of the filter material can not occur.

The invention discloses a method for removing nitric oxide from gas, and belongs to the technical field of air pollution control and environment protection. According to the treatment process of the method, the treated gas is led into a gas-solid reaction tower, meanwhile aluminum polychlorid solid particles are led into the gas-solid reaction tower, nitric oxide in the gas and aluminum polychlorid are subjected to a gas-solid chemical reaction at a certain temperature in the gas-solid reaction tower, then nitric oxide in the gas is absorbed and removed, and therefore the gas purification purpose is achieved. The invention further discloses a special device. The method and the special device have the advantages that investment cost and operating cost are low, use is safe, by-products can be recycled, operation is easy, treatment efficiency is high, and treatment capacity is large.