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41results about How to "Shorten electrolysis time" patented technology

Integrated manufacturing apparatus for hydrogen-enriched water

The present invention discloses an integrated manufacturing apparatus for hydrogen-enriched water. The apparatus comprises a drinking cup, wherein a first water filling opening and a second water filling opening are formed at the upper end of the drinking cup, a first water reservoir which is communicated with the first water filling opening and a second second water reservoir which is communicated with the second water filling opening are arranged inside the drinking cup. The second reservoir is an "L"-shaped cavity consisting of a longitudinally extending cavity that extends downwardly from the second water filling opening and a transversely extending cavity that extends transversely from the lower portion of longitudinally extending cavity. The first water reservoir is located at the top of the transversely extending cavity, a cation-exchange membrane is arranged between the first water reservoir and the transversely extending cavity. A cathodic electrolysis plate and an anode electrolysis plate are separately arranged above and under the cation-exchange membrane, and the cathodic electrolysis plate and the anode electrolysis plate are separately located inside the first water reservoir and the transversely extending cavity. In the present invention, the drinking cup is integrally designed internally, so that secondary pollution which may be generated is avoided, the service life of the electrolytic plate is prolonged, and the phenomenon of dripping water is avoided.
Owner:陈志越

Preparation method of nano-graphite carbon powder

The invention relates to a preparation method of nano-graphite carbon powder. The method comprises the steps of: (1) preparing expansible graphite by a chemical oxidation intercalation process; (2) preparing expanded graphite by a microwave process; (3) pressing the expanded graphite into a expanded graphite sheet, putting it into a microporous filter membrane sieving assembly, conducting pressing and sealing, then placing the assembly at the anode and cathode of an electrolytic bath, taking a chlorate solution as an electrolyte solution, carrying out ultrasonic electrolysis at a temperature below 60DEG C, controlling the electrolytic current at 5-18A / cm<2>, the voltage at 6-20V, the ultrasonic oscillation power at 200-600W, and the frequency at 20-40kHz, inverting the anode and the cathode at an interval of 8-15min, completing electrolysis when the concentration of sol in the electrolytic bath is 2-5%, thus obtaining nano-graphite carbon sol; and (4) adding ammonium sulphate into the nano-graphite carbon sol till the mass concentration of ammonium sulfate reaches 5-8%, stirring them uniformly, then performing freeze drying, thus obtaining the nano-graphite carbon powder. The method has the advantages of mild reaction condition and high speed, thus being suitable for industrialized mass production.
Owner:DATONG XINCHENG NEW MATERIAL CO LTD

Method and device for removing heavy metals and POPs in organic wastes by electromagnetic reinforcement

The invention discloses a method and a device for removing heavy metals and POPs in organic wastes by electromagnetic reinforcement. The method comprises the following steps of: firstly preparing theorganic wastes into slurry; applying a magnetic field to the slurry to make sure that the heavy metals and the POPs in the slurry are transformed into a water solution state; separating the organic waste slurry into two components; afterwards applying an electric field to the slurry, migrating water molecules and the heavy metals and POPs which are continuously transformed into the water solutionstate to a cathode region of the electric field under the effect of electro-migration, and meanwhile migrating the components of the organic wastes to an anode region of the electric field so as to realize separation of the two components; and filtering and dehydrating the organic waste slurry to finally obtain harmless low-water-content organic wastes. The method and the device disclosed by the invention can be used for efficiently removing large-particle impurities, some heavy metals and the POPs in the organic wastes, can also reduce the water content of the organic wastes to 30% to 50%, thereby overcoming the defects that a traditional organic waste treatment method is low in efficiency, takes effect slowly and has no oneness.
Owner:KUNMING UNIV OF SCI & TECH

Method for preparing electrodeposited cobalt under large flow

The invention discloses a method for preparing electrodeposited cobalt under a large flow. In conventional production methods for electrodeposited cobalt, the process of processing has the disadvantages of low current efficiency and long electrodeposition time, and purity and a recovery rate of produced electrodeposited cobalt hardly reach requirements. A technical scheme employed in the invention is as follows: a deoiled cobalt chloride solution produced in wet metallurgy is used as a raw material and is diluted with pure water so as to allow the concentration of Co<2+> in the cobalt chloride solution to be 30 to 100 g / L, and the diluted cobalt chloride solution is used as electrodeposition pre-liquid; and electrodeposition is carried out on the electrodeposition pre-liquid in an enclosed electrodeposition apparatus under the conditions of a large flow of 5 to 15 m<3> / h.m<2> and a negative pressure. According to the invention, the large flow is employed in the process of preparation of electrodeposited cobalt, so cathodic polarization is reduced, high current efficiency as high as more than 95% is obtained, and direct current consumption is low; utilization of the large flow enables chlorine and oxygen generated by an anode to be taken away in time, and oxidation of the cathode cobalt by chlorine and oxygen is prevented, thereby guaranteeing product quality.
Owner:ZHEJIANG HUAYOU COBALT +1

Method for improving TiO2 cathode deoxidizing process by utilizing carbonaceous additive

A method for improving TiO2 cathode deoxidizing process by utilizing a carbonaceous additive specifically comprises the following steps: mixing TiO2 and the carbonaceous additive according to the molar ratio of 2:1-19:1, and pressing a mixture into a block body with diameter of 10mm at the pressure of 1-5 t; performing heat treatment in the Ar protective atmosphere at the temperature of 800-1000 DEG C for 2-8 h to prepare a TiO2 / C composite cathode; using the TiO2 / C composite cathode prepared in the step 1 as a cathode, using a graphite rod as an anode, selecting CaC12 fused salt as an electrolyte system, exerting 2-3 V of bath voltage to perform electrolysis under the temperature condition of 800-950 DEG C for 5-20 h, removing an electrolysis product at the cathode, such asTi and TiCxOy compound at the normal temperature after finishing the electrolysis, and using deionized water and dilute acid to wash and remove chloride from electrolyte for many times. The method for improving the TiO2 cathode deoxidizing process by utilizing the carbonaceous additive has the advantages that the electrolysis time is shortened remarkably, the electrochemical reduction speed of the TiO2 cathode is accelerated accordingly, and a small quantity of added carbon powder enable the electrolysis products to become the compound of metal Ti and metal TiCxOy to be Ti and TiCxOy compound. By means of the method, the electrolytic process can be improved remarkably, remarkable reduction of energy loss is facilitated, and accordingly the production cost of the metal Ti is reduced.
Owner:UNIV OF SCI & TECH BEIJING

Equipment and combined process for treating RO concentrated solution of high-concentration organic wastewater

The invention relates to equipment and a combined process for removing RO concentrated solution in a high-concentration organic wastewater treatment system. The equipment for treating RO concentrated solution of high-concentration organic wastewater comprises a Fenton pretreatment pool 1, membrane system separation equipment 5, a pulsed electrolytic cell 7 and a magnetic settling pond 10 which are sequentially connected by virtue of pipelines, wherein the membrane system separation equipment 5 refers to a tubular coating; the pulsed electrolytic cell 7 is an inverted I-shaped electrolytic cell which consists of two pools 26 and two water tanks 27 and is hollow; and magnets 11 consisting of soft iron and wound coils are arranged on the outer layer of the settling pond wall 28 in a sectional mode. The combined process for treating the RO concentrated solution of high-concentration organic wastewater comprises the following steps: performing chemical Fenton pretreatment; performing membrane separation; forming the pulsed electrolytic cell 7 with the Fe3O4 synergistic effect; forming the magnetic settling pond 10; and performing up-to-standard release on the supernatant. According to the novel equipment and combined process provided by the invention, the equipment is feasible in technology and applicable in economy, and the RO concentrated solution of the high-concentration organic wastewater is efficiently treated.
Owner:中钢集团武汉安全环保研究院有限公司

A device for generating high-concentration hydrogen-rich water

The invention discloses a high-concentration hydrogen-rich water generation device. The device comprises a cup body, wherein the bottom of the cup body is connected with a base provided with an electrolyzer, an inner container is arranged in the center of the cup body to serve as a water storage cavity, a hydrogen-rich water cavity is formed outside the inner container, the bottom of the inner container is provided with a water outlet communicated with the hydrogen-rich water cavity, a bottom cover is rotationally connected to one side of the water outlet, a water-out valve rod is arranged at the center of the inner container, an elastic sealing ball is arranged at the bottom end of the water-out valve rod, the upper end of the water-out valve rod stretches out of the top end of a cup lid, an upper limit ring and a lower limit ring are arranged on a rod body of the water-out valve rod, an inner cover capable of sliding up and down along the rod body is arranged on the portion, between the upper limit ring and the lower limit ring, of the rod body, a contact ring is arranged at the edge of the inner cover, the inner end of the contact ring is fixed to the inner cover, an upper branch and a lower branch which are made of flexible materials are arranged at the outer end of the contact ring, the width of the contact ring is larger than the distance between the edge of the inner cover and the inner wall of the cup body, and the part, covering the hydrogen-rich water cavity, of the inner cover is provided with an annular water-permeable groove surrounding the inner container. Through the device, the hydrogen content in hydrogen-rich water can be greatly increased, and the health care effect is better.
Owner:浙江兆泉智能科技有限公司

A carbon fiber surface treatment equipment, surface treatment method and application

ActiveCN103540982BUniform positive chargeAvoid pollutionTanksFiberChemical industry
The invention discloses carbon fiber surface treatment equipment comprising a trough frame, wherein the interior of the trough frame is divided into two independent spaces namely an electrolytic bath for containing electrolyte and a rinsing bath for containing deionized water; a cathode plate is arranged in the electrolytic bath and is connected with the negative electrode of an electrolysis power supply; a first insulating guide roll is arranged above the cathode plate in the electrolytic bath; a second insulating guide roll is arranged in the rinsing bath, and a third insulating guide roll is arranged above the trough frame between the first insulating guide roll in the electrolytic bath and the second insulating guide roll in the rinsing bath; anode guide rolls are respectively arranged above the trough frame on the outer side of the first insulating guide roll and the outer side of the second insulating guide roll, and are connected with the anode of the electrolysis power supply. By adopting the carbon fiber surface treatment equipment disclosed by the invention, the problem that the anode guide roll is oxidized and can not conduct electricity is solved, and meanwhile, by adopting the surface treatment method of the equipment disclosed by the invention, the surface treatment time can be shortened, so that the equipment and the surface treatment method can be applied to the fields of automobiles, medical treatment, food processing industry and chemical industry.
Owner:GUANGZHOU KINGFA CARBON FIBER NEW MATERIALS DEV +1

Integrated hydrogen-rich water manufacturing device

The present invention discloses an integrated manufacturing apparatus for hydrogen-enriched water. The apparatus comprises a drinking cup, wherein a first water filling opening and a second water filling opening are formed at the upper end of the drinking cup, a first water reservoir which is communicated with the first water filling opening and a second second water reservoir which is communicated with the second water filling opening are arranged inside the drinking cup. The second reservoir is an "L"-shaped cavity consisting of a longitudinally extending cavity that extends downwardly from the second water filling opening and a transversely extending cavity that extends transversely from the lower portion of longitudinally extending cavity. The first water reservoir is located at the top of the transversely extending cavity, a cation-exchange membrane is arranged between the first water reservoir and the transversely extending cavity. A cathodic electrolysis plate and an anode electrolysis plate are separately arranged above and under the cation-exchange membrane, and the cathodic electrolysis plate and the anode electrolysis plate are separately located inside the first water reservoir and the transversely extending cavity. In the present invention, the drinking cup is integrally designed internally, so that secondary pollution which may be generated is avoided, the service life of the electrolytic plate is prolonged, and the phenomenon of dripping water is avoided.
Owner:陈志越

Equipment and combined process for treating high-concentration organic wastewater ro concentrate

The invention relates to equipment and a combined process for removing RO concentrated solution in a high-concentration organic wastewater treatment system. The equipment for treating RO concentrated solution of high-concentration organic wastewater comprises a Fenton pretreatment pool 1, membrane system separation equipment 5, a pulsed electrolytic cell 7 and a magnetic settling pond 10 which are sequentially connected by virtue of pipelines, wherein the membrane system separation equipment 5 refers to a tubular coating; the pulsed electrolytic cell 7 is an inverted I-shaped electrolytic cell which consists of two pools 26 and two water tanks 27 and is hollow; and magnets 11 consisting of soft iron and wound coils are arranged on the outer layer of the settling pond wall 28 in a sectional mode. The combined process for treating the RO concentrated solution of high-concentration organic wastewater comprises the following steps: performing chemical Fenton pretreatment; performing membrane separation; forming the pulsed electrolytic cell 7 with the Fe3O4 synergistic effect; forming the magnetic settling pond 10; and performing up-to-standard release on the supernatant. According to the novel equipment and combined process provided by the invention, the equipment is feasible in technology and applicable in economy, and the RO concentrated solution of the high-concentration organic wastewater is efficiently treated.
Owner:中钢集团武汉安全环保研究院有限公司

An electrochemical method for removing heavy metals from excess sludge

The invention discloses an electrochemical method for removing heavy metal in residual sludge. The method is characterized by comprising the following steps of: taking dry sludge that contains heavy metal; separately using 0.1 mol / L EDTA, citric acid, tartaric acid and EDTA sodium iron as repairing agents to perform ultrasonic vibration for 7 h; after the PH value is adjusted to 2-4 by using hydrochloric acid, putting the mixture in an electrochemical device that uses graphite as an electrode, controlling the voltage to be 3.5 v, keeping electrode plate intervals at 14 cm, and performing electrochemical treatment for 12 h; sampling the mixture and performing drying and digesting, to detect residual heavy metal content in the sludge. According to the method provided by the invention, electrolysis time is short, and time is saved; in a relatively broad pH range, the heavy metal content in the residual sludge is less than a limit; the electrode has a stable voltage and reliable performance, the sludge heavy metal removal rate is greater than 90%; the heavy metal concentrates at the cathode and is easy to handle, without causing secondary pollution or any harmful factors; the sludge after treatment conforms to the standard for agricultural use, and can be used as a fertilizer.
Owner:QINGDAO AGRI UNIV

A method for preparing electro-deposited cobalt under a large flow rate

The invention discloses a method for preparing electrodeposited cobalt under a large flow. In conventional production methods for electrodeposited cobalt, the process of processing has the disadvantages of low current efficiency and long electrodeposition time, and purity and a recovery rate of produced electrodeposited cobalt hardly reach requirements. A technical scheme employed in the invention is as follows: a deoiled cobalt chloride solution produced in wet metallurgy is used as a raw material and is diluted with pure water so as to allow the concentration of Co<2+> in the cobalt chloride solution to be 30 to 100 g / L, and the diluted cobalt chloride solution is used as electrodeposition pre-liquid; and electrodeposition is carried out on the electrodeposition pre-liquid in an enclosed electrodeposition apparatus under the conditions of a large flow of 5 to 15 m<3> / h.m<2> and a negative pressure. According to the invention, the large flow is employed in the process of preparation of electrodeposited cobalt, so cathodic polarization is reduced, high current efficiency as high as more than 95% is obtained, and direct current consumption is low; utilization of the large flow enables chlorine and oxygen generated by an anode to be taken away in time, and oxidation of the cathode cobalt by chlorine and oxygen is prevented, thereby guaranteeing product quality.
Owner:ZHEJIANG HUAYOU COBALT +1
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