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42 results about "Active carbon" patented technology

Cyclic production method of glyphosate

The invention relates to a cyclic production method of glyphosate, belonging to the technical field of pesticide production techniques. The production method comprises steps as follows: the raw material dimethyl phosphite is subjected to an alkyl ester method to obtain glyphosate and a glyphosate mother solution; the glyphosate mother solution is treated to obtain a secondary alkali mother solution; the secondary alkali mother solution is subjected to catalytic preoxidation, high-temperature high-pressure air electrocatalytic degradation and liquid membrane extraction to obtain a liquid membrane concentrated solution and a saliferous liquid membrane diluted solution; the liquid membrane concentrated solution is subjected to active carbon decoloration, concentration by evaporation, and high temperature polymerization to obtain sodium tripolyphosphate; the saliferous liquid membrane diluted solution is filtered by a nanofiltration membrane to obtain a membrane concentrated solution and a membrane diluted solution; the membrane concentrated solution returns to the catalytic preoxidation step to be recovered; the membrane diluted solution enters an MVR (mechanical vapor recompression) system to be subjected to concentration by evaporation, thereby obtaining sodium chloride crystal, distilled water and a mother solution; and the sodium chloride crystal, distilled water and mother solution are respectively utilized. The invention lowers the production cost, enhances the utilization ratio of the product, reduces the discharge of waste liquor in the glyphosate production procedure, is environment-friendly, and has obvious comprehensive economic benefit and social benefit.
Owner:HANGZHOU JINFADA CHEM IND

Method for desulphurizing, denitrating and decoking fire coal

InactiveCN101831342ASpeed up exothermic reactionChange pH valueSolid fuelsActive agentSlurry
The invention discloses a method for desulphurizing, denitrating and decoking fire coal. In the method, in a raw coal burning stage, a synergist is added in an amount of 0.2 to 0.3 weight percent based on the total weight of the raw coal into the fire coal, and a catalytic active agent is added in an amount of 0.002 to 0.008 weight percent based on the total weight of the raw coal into a slurry boax in a desulphurizing system at the same time. The synergist comprises 8 to 25 mass percent of calcium carbona, 5 to 15 mass percent of magnesium oxide, 5 to 10 mass percent of silicon dioxide, 5 to10 mass percent of zinc oxide, 8 to 10 mass percent of manganese dioxide, 15 to 40 mass percent of calcium oxide, 5 to 10 mass percent of barium hydroxide, 3 to 8 mass percent of aluminum oxide and 8to 15 mass percent of potassium permanganate; and the catalytic active agent comprises 0 to 40 mass percent of active calcium oxide, 20 to 30 mass percent of active carbon, 10 to 15 mass percent of calcium ammonium nitrate, 5 to 20 mass percent of ferric oxide and 2 to 10 percent of zinc oxide. Under the condition of not changing the conventional boiler equipment and process, the method can realize fire coal combustion-supporting and coal-saving functions at one time so as to perform desulphurization, denitration and decoking.
Owner:GUANGZHOU ZHONGKE GAOCHENG ENVIRONMENTAL PROTECTION TECH CO LTD

Dedusting apparatus

InactiveCN105597465AImplement coarse filteringFast absorptionCombination devicesBrickWater storage tank
The invention discloses a dedusting apparatus. The apparatus comprises a dust hood, a filter tank, a water storage box and an induced draught fan, and the dust hood is connected with the filter tank; the induced draught fan is used for generating a negative pressure at the air outlet of the filter tank; a first filter chamber, a second filter chamber, a third filter chamber, a fourth filter chamber and a fifth filter chamber which are mutually connected are arranged in the filter tank; a plurality of spaced screen layers are arranged in the first filter chamber; the top in the second filter chamber is provided with a water distribution tube connected with the water storage tank, the water distribution tube is provided with at least one row of nozzles, the bottom in the second filter chamber is provided with a water collection groove, and the water collection groove is connected with the water storage groove through a circulating pipeline and a water pump; an active carbon particle filling layer is arranged in the third filtering chamber; a first active carbon brick is arranged in the fourth filter chamber; and a second active carbon brick is arranged in the fifth filter chamber. The dedusting apparatus is used for dust and smoke smell removal and purification of production workshops, and has the advantages of high dedusting efficiency and good purifying effect.
Owner:ANHUI NINGHUO NEW MATERIAL

Method for preparing platinum-carbon catalyst

The invention belongs to the technical field of catalysis and relates to a method for preparing a platinum-carbon catalyst which is high in activity and stability. The method comprises the following steps: 1, preparing a chloroplatinic acid alcohol solution : diluting the chloroplatinic acid with an alcohol solvent I so as to obtain the chloroplatinic acid alcohol solution; 2, preparing a sodium hydroxide solution : dissolving sodium hydroxide into an alcohol solvent II so as to obtain the sodium hydroxide solution; 3, preparing an activated-carbon-loaded platinum-carbon catalyst: adding the chloroplatinic acid alcohol solution prepared in advance in an activated carbon carrier, then adding the sodium hydroxide solution and carrying out microwave reduction; 4, cooling and drying, after completion of microwave reduction in the step 3, cooling the mixture to room temperature, adding deionized water, the volume of which is the same as that of the mixture, carrying out extraction filtration and washing, and carrying out vacuum drying on the catalyst. According to the invention, the operation is quick and simple, process stability and repeatability are good, active component particles are distributed uniformly, the particle size range is narrow and the fact that the particle size is controllable is realized according to the quantity of sodium hydroxide and the solvents; the catalyst prepared through the preparation method is high in activity and good in stability.
Owner:QINGDAO UNIV OF SCI & TECH

Culture method for brassica oleracea L. var. acephala microspore regeneration plant

InactiveCN102228003AImprove embryo emergence rateImprove utilization efficiencyHorticulture methodsPlant tissue cultureSporeHeat shock
The invention discloses a culture method for a brassica oleracea L. var. acephala microspore regeneration plant. The method comprises the following steps: taking inflorescences of brassica oleracea L. var. acephala and rape, directly taking or taking after induction alabastrum of the inflorescences, adding the alabastrum into NLN-13 induced medium after disinfection to form fluid suspension, carrying out filtering, and centrifuging the filtrate to obtain a precipitate; adding NLN-13 induced medium and active carbon mixed liquor in order so as to obtain a microspore fluid suspension; carrying out a heat shock treatment, followed by culturing so as to obtain embryoids in cotyledon stage; inoculating the embryoids to embryoid differential medium until the embryoids are differentiated and regenerates into buds; cutting the regenerated buds to a rooting medium for rooting culture, and hardening and transplanting seedlings to obtain regenerated plants; taking young leaves of the regenerated plants for the detection of ploidy of corresponding regenerated plants and determining regenerated seedlings of rape and brassica oleracea L. var. acephala in the regenerated plants. According to the method provided in the invention, rape which is easy to generate embryos and brassica oleracea L. var. acephala which is difficult to generate embryos are mixedly cultured; the material which is easy to generate embryos is used to spur the material which is difficult to generate embryos; therefore the ratio of embryos of brassica oleracea L. var. acephala is improved.
Owner:ZHEJIANG UNIV +1

Elevator lift car with ultraviolet sterilizing device

InactiveCN105084176AExtend exercise timeIncrease resistanceBuilding liftsRadiationActivated carbon filtrationControl theory
The invention discloses an elevator lift car with an ultraviolet sterilizing device. The elevator lift car comprises a lift car body; and a timer is arranged on the lift car body, an exhaust fan is arranged on the lateral wall of the lift car body, and a sterilizing system is arranged on the other lateral wall of the lift car body. The sterilizing system comprises an air inlet device, the air inlet device is connected with the sterilizing device, and the sterilizing device is connected with an air outlet formed in the lateral wall of the lift car body. The air inlet device comprises an active carbon filter, and an air inlet fan is arranged beside the active carbon filter. The sterilizing device comprises a sterilizing cylinder, and the sterilizing cylinder is of an S-shaped structure; the sterilizing cylinder comprises a first inner wall and a second inner wall opposite to the first inner wall; sterilizing units are distributed on the first inner wall and the second inner wall in a staggered manner; the sterilizing units on the first inner wall incline in the clockwise direction; and the sterilizing units on the second inner wall incline in the anti-clockwise direction. The elevator lift car has the beneficial effects of being obvious in sterilizing effect, flexible in sterilizing time, simple in structure, safe to use and little in occupancy. Furthermore, sterilized air has no odor.
Owner:HENGDA FUJI ELEVATOR

Intelligent type vertical freezing cabinet for milk beverages

The invention discloses an intelligent type vertical freezing cabinet for milk beverages. The intelligent type vertical freezing cabinet comprises a vertical freezing cabinet body; the front surface of the vertical freezing cabinet body is connected with a cabinet door through hinges; a limiting switch is mounted at the inner side of the cabinet door; the cabinet door is provided with a transparent window in which a glass component is embedded; a negative oxygen ion generator is mounted at the left side of the vertical freezing cabinet body; an illuminating lamp and a sterilizing lamp are mounted at the internal upper side of the vertical freezing cabinet body; an active carbon adsorbing device is mounted at an internal side of the vertical freezing cabinet body; arranging plates are mounted inside the vertical freezing cabinet body. According to the intelligent type vertical freezing cabinet disclosed by the invention, a buzzer is mounted at the upper side of the vertical freezing cabinet body, a circuit board is arranged inside the vertical freezing cabinet body, a timer is arranged on the circuit board, the limiting switch is a signal source, and the circuit board is capable of driving an alarming circuit to supply power to the buzzer when the timer reaches a time preset by the system, so the aim of automatic alarming after the cabinet door is not closed for a long time can be realized, and the intellectuality of the intelligent type vertical freezing cabinet is improved.
Owner:湖北远帆科技有限公司

Preparation method of chemically-silvered active carbon as composite conductive filler

ActiveCN104152882AReduce usageLight in massInorganic pigment treatmentLiquid/solution decomposition chemical coatingActivated carbonGrey substance
The invention discloses a preparation method of chemically-silvered active carbon as composite conductive filler. The preparation method is characterized by comprising the following process steps: a, pretreating the active carbon powder, namely performing alkaline cleaning on the active carbon powder by use of a NaOH solution so as to remove partial grey substances of the active carbon powder, washing by using water until the solution is neutral and drying firstly, and then performing oxidization treatment on the active carbon powder by use of a HNO3 solution, washing by using water until the solution is neutral and drying for later use; b, directly adding the modified active carbon powder to the prepared chemical silvering solution, heating until a certain temperature, reacting for a while and then carrying out suction filtration, water washing and drying; and c, sensitizing the reacted and dried active carbon by use of a stannous chloride solution and activating the active carbon by use of a silver nitrate solution, next, adding the active carbon to the chemical silvering solution, reacting for a while at a normal temperature and then carrying out suction filtration, water washing and drying. The chemically-silvered active carbon prepared by the method is low in weight and good in electrical conductivity; the chemically-silvered active carbon has a porous structure and can be grafted and mixed with resin favorably; due to silver deposition in the pores of the active carbon, the deficiency of the electrical conductivity of the active carbon due to the pores is compensated.
Owner:广东致卓环保科技有限公司

Instant pawpaw-red date chest enlargement tea and preparation method thereof

InactiveCN105028752AImprove moisture resistanceAvoid moisture cakingPre-extraction tea treatmentAdditive ingredientActivated carbon filtration
The invention discloses instant pawpaw-red date chest enlargement tea and a preparation method thereof. The instant pawpaw-red date chest enlargement tea is characterized by comprising the following raw materials in parts by weight: 400-420 parts of tea leaves, 15-16 parts of pawpaw, 10-15 parts of hawthorn fruits, 15-20 parts of red dates, 10-11 parts of dandelion, 15-16 parts of longan pulp, 10-12 parts of rhizoma polygonati, 10-11 parts of semen juglandis, 9-11 parts of root of kudzu vine, 10-11 parts of safflower carthamus, 8-10 parts of seeds of cowherb, 30-40 parts of activated carbon, 45-46 parts of colza oil, and 0.1-0.2 part of hydroxypropyl methyl cellulose. According to the invention, caffeine in tea water can be removed after the tea water is filtered by the activated carbon, and a layer of film is formed on the surface of the activated carbon after the activated carbon is treated and can be used for blocking flavor substances, excepted for the caffeine, in the tea water from being adsorbed by the activated carbon; tea particles provided by the invention are subjected to film coating by the hydroxypropyl methyl cellulose, so that the instant pawpaw-red date chest enlargement tea has good moisture resistance, and moisture absorption for blocking in the storing process is avoided; in addition, multiple Chinese herbal medicinal ingredients are added, so that the chest enlargement effect is realized.
Owner:BOZHOU YIZHONGTANG HEALTH FOOD CO LTD

Automobile exhaust pipe with tail gas filtering function

The invention discloses an automobile exhaust pipe with a tail gas filtering function. The automobile exhaust pipe comprises an exhaust pipe body and an air inlet pipe, wherein one side of the exhaustpipe body is communicated with the air inlet pipe; the other side of the exhaust pipe body is communicated with a filtering pipe through a flow guide pipe; the inner surface wall of the flow guide pipe is welded with a fixed circular disc positioned on the horizontal axial line of the flow guide pipe through flow guide plates in equal angle distribution; a rotating shaft is movably connected witha position at one side of the fixed circular disc and positioned inside the filtering pipe; a spiral blade is welded on the outer surface wall of the rotating shaft in the horizontal direction; a plurality of sound absorption convex blocks are uniformly distributed on the inner surface wall of the filtering pipe; a vacuum cavity is formed inside the casing of the filtering pipe. The automobile exhaust pipe has the advantages that the spiral blades can rotate under the tail gas circulation effect; the rotating shaft is driven to rotate; through the rotating effect of the spiral blade, the contact area between the active carbon adsorption plate and the tail gas can be effectively increased, so that the adsorption efficiency is improved; harmful gas in the tail gas can be efficiently adsorbed; the goals of filtering and environment protection are achieved.
Owner:CHENGDU YIRUIXIN TECH CO LTD

Efficient wastewater-treatment purifying equipment

InactiveCN108751522AImprove purification effectImprove the treatment and purification effectWater/sewage treatment by centrifugal separationTreatment involving filtrationDraining tubeActivated carbon filtration
The invention provides efficient wastewater-treatment purifying equipment. The efficient wastewater-treatment purifying equipment comprises a machine body, and the machine body is sequentially dividedby partition plates into a mixing layer, a treatment purifying layer and a driving layer from top to bottom; a water inlet pipe is fixedly connected to the upper portion of the left surface of the machine body, a mixing pipe is arranged on the right side of the water inlet pipe, a water outlet pipe is fixedly connected to the lower portion of the mixing pipe, a chemical box is fixedly connected to the middle of the upper portion of the machine body, a motor is arranged on the lower surface of the machine body, a driving gear is fixedly connected to the upper portion of the motor through a primary rotating shaft, driven gears are arranged on the two sides of the driving gear, centrifuging drums are fixedly connected to the upper portions of the driven gears through secondary rotating shafts, active-carbon filtering nets are fixedly connected outside the centrifuging drums, and a water draining pipe is fixedly connected to the lower portion of the right surface of the machine body. According to the efficient wastewater-treatment purifying equipment, the defects in the prior art are overcome, designing is reasonable, the structure is compact, and through the mixing pipe, the centrifuging drums and the active-carbon filtering nets of a U-shaped structure, the efficient wastewater-treatment purifying capacity is achieved.
Owner:张领书

High-efficiency environment-friendly composite fertilizer specially used for lotus drought plantation

InactiveCN107400014ACalcareous fertilisersClimate change adaptationFiberSlag
The invention belongs to the technical field of agriculture plantation, and especially relates to a high-efficiency environment-friendly composite fertilizer specially used for lotus drought plantation. The high-efficiency environment-friendly composite fertilizer specially used for lotus drought plantation is prepared via combination and synergistic effect of livestock and poultry excrement, composite urea, calcium magnesium phosphate fertilizer, biological humic acid, fulvic acid, Chinese herbal medicine slag, tea slag, amino acid, boron mud, EDTA chelated iron, EDTA chelated manganese, a fertilizer effect synergist, and a natural insecticide. The high-efficiency environment-friendly composite fertilizer is capable of providing needed nitrogen, phosphorus, potassium, calcium, iron, and manganese continuously based on growth process of lotus in drought plantation; the composite urea is capable of releasing nitrogen slowly and continuously based on growth characteristics and fertilizer requirement laws of lotus drought plantation; active carbon is capable of purifying water in lotus drought plantation, absorbing heavy metal ions, and improving soil in lotus drought plantation; environment pollution is not caused; the high-efficiency environment-friendly composite fertilizer is friendly to the environment; fertilizer efficiency is high, and lasts long; adding of Chinese herbal medicine slag and tea slag is capable of increasing fiber content; combination of boron mud and livestock and poultry excrement is capable of realizing organic matter decomposition and release of trace elements in soil under the action of composite zymophyte; and soil growth environment is improved.
Owner:太仓市林港农场专业合作社

Paint gas oxidizing and washing tower device

InactiveCN103752122AReduce cleaning frequencyEffective oxidationCombination devicesTowerWaste management
The invention discloses a paint gas oxidizing and washing tower device which comprises a washing chamber (1), an oxidation chamber (2) and a water removal chamber (3), wherein the washing chamber (1) is provided with an inlet for receiving paint gas generated in a paint spraying operation, a plurality of baffles are arranged along a running path of the paint gas in the washing chamber, the paint gas penetrates through gaps between the baffles to reach an outlet of the washing chamber, a first spraying pipe is arranged in the washing chamber, and an adhesive breaking agent is sprayed into the washing chamber from the first spraying pipe under the pumping action of a first water pump; a second spraying pipe is arranged in the oxidation chamber (2), an oxidant is sprayed into the oxidation chamber from the second spraying pipe under the pumping action of a second water pump, and the outlet of the washing chamber is communicated with an inlet of the oxidation chamber; a water removal filler is arranged in the water removal chamber, an outlet of the oxidation chamber is communicated with an inlet of the water removal chamber, and the water removal chamber is provided with an air outlet. Compared with the prior art, the paint gas oxidizing and washing tower device has the characteristics of simple structure, simplicity and convenience for maintenance and capabilities of effectively capturing paint mist and removing odor, effectively prolonging the service life of an active carbon tower and reducing the system operation cost.
Owner:江苏佳有环保科技有限公司
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