40results about How to "Suitable for industrial processing" patented technology

The invention relates to a method for removing nitrites in cubilose, belonging to the technical field of standard-exceeding components in food. The nitrites in the cubilose are removed by combining an ultrasonic technology and an ozone technology, therefore, the content of the nitrites in the cubilose is reduced to be below 30mg/kg, and the cup type and the color of the cubilose can be kept unchangeable. The method comprises the following steps: putting the cubilose in water for ultrasonic treatment for 10-30min with ultrasonic power of 50-2500W and ultrasonic frequency of 20-50 kHz; washing with water for three times, placing into an ozone generator for ozone treatment for 6-120 min by using the water as a medium; and naturally drying. The invention can keep the cup type and the color of the cubilose unchangeable; no chemicals are added, the product after the ozone is oxidized is water without harmful substances so that the cubilose and the environment can not be polluted; the method is an environmental-friendly treatment technology; the ozone has the sterilizing function, and the treated cubilose is not easy to mould; and the invention has simple process, little equipment input and cost saving, and is suitable for the industrialized treatment.

A treatment method and a treatment system for nitrochlorobenzene production waste water. The method comprises the following steps: pumping nitrochlorobenzene production waste water into an adjustment pool, adjusting the pH value to allow the waste water to be acidic, then allowing the waste water to enter an oxidation pool, adding oxidizing agents of sodium hypochlorite, calcium hypochlorite or hypochloric acid for chemical oxidation treatment, discharging the effluent from the oxidation pool into a neutralization pool, adjusting the pH value to allow the effluent to be neutral, discharging the effluent from the neutralization pool into a coagulation pool, adding coagulants of one or more than one of polyaluminium chloride, polyferric chloride, and polyacrylamide for a coagulation reaction, discharging the effluent from the coagulation pool into a sedimentation pool, allowing a supernatant obtained by sedimentation and separation in the sedimentation pool to overflow into a clean water pool, discharging the clean water that reaches the standard, concentrating and filtering sedimentated sludge at the bottom of the sedimentation pool for safety treatment, and discharging waste liquid generated during the concentration and filtration process into the adjustment pool for re-treatment. According to the invention, the removal rate of nitrochlorobenzene and other nitrobenzene compounds in effluent of the nitrochlorobenzene production waste water treated by the method of the invention is up to 99%, and the method of the invention has the advantages of high treatment efficiency, low operation cost, no secondary pollution, and the like.

The invention discloses a processing method for improving the natural colored cotton color depth and colour and luster stability. The method comprises the steps that natural colored cotton obtained after color fixing is washed and dried; the natural colored cotton is dried, then the natural colored cotton obtained after drying is subjected to liquid ammonia treatment, and the natural colored cotton after liquid ammonia treatment is obtained; gelatin, penetrant and water are mixed to form a protein solution, then the protein solution is adjusted to reach the pH being 2.0-7.0, and a treatment solution is obtained; the natural colored cotton obtained after liquid ammonia treatment is put in the treatment solution for padding at 15-70 DEG C, so that the liquid-carrying rate of natural coloredcotton obtained after padding is 30-150%, and then cold reactor placement is conducted; the natural colored cotton after fixing treatment is obtained. By means of the method, the color of the naturalcolored cotton can become brighter, and the color is obviously deepened and become more uniform; the color fastness to washing and sunshine can be effectively improved.

The invention discloses a fresh chili automatic screening device. A main part of the device is an inclined classification roller; round holes and strip-shaped holes are axially arranged on the wall of the classification roller in rows; the classification roller is provided with separation bars on the inner sides of the joint places of the round holes and the strip-shaped holes; a screening pipe is axially arranged in the classification roller; a separation plate is arranged in the screening pipe for dividing the screening pipe into a water washing pipe and a winnowing pipe; multiple comb needles are spaced at the bottom end of the separation plate; a water spraying hole is formed in the water washing pipe; a strip-shaped incision is axially formed in the bottom wall of the winnowing pipe; a fan is arranged at one end of the winnowing pipe, and is connected with a roller power device; the other end of the winnowing pipe is connected with a slag discharge pipe; a water tank is arranged above the classification roller; and one end of the water washing pipe is communicated with the water tank. The device can screen off impurities of chilies, can clean the chilies, can finish the work, finished by traditional multiple procedures, only through one power device, reduces the labor and time consumption in the chili processing process, and reduces the production cost.

The invention discloses a combined preparation method of 2-cyano-3-chloro-5-trifluoromethylpyridine and succinonitrile, and belongs to the field of organic chemistry. The method comprises the following steps: taking 2-fluoro-3-chloro-5-trifluoromethylpyridine and dichloroethane as raw materials, reacting in a potassium cyanide/sodium solution under the action of a phase transfer catalyst to obtaina mixed solution of 2-cyano-3-chloro-5-trifluoromethylpyridine and succinonitrile, layering, washing with water, and rectifying to obtain the 2-cyano-3-chloro-5-trifluoromethylpyridine with the content of more than 99% and the succinonitrile with the content of more than 99.9%. According to the method, the yield is high, the wastewater treatment is simple, byproducts are fully utilized, the yieldof the 2-cyano-3-chloro-5-trifluoromethylpyridine can reach 93%, and the yield of the succinonitrile can reach 95%.

The invention discloses a preparation method of an organic fertilizer. The preparation method is characterized by comprising the following steps: compounding: preparing raw materials of the organic fertilizer, mixing a biological starter with the raw materials, and performing uniform mixing; fermentation: implementing aerobic fermentation on the configured raw materials to generate spawns, and then performing stacking and anaerobic digestion for compost, wherein a mixed material subjected to fermentation contains greater than or equal to 80% of an organic matter, greater than or equal to 8% of NPK, greater than or equal to 5% of amino acid and greater than or equal to 0.21 g/kg of bio-fungus; curing: enabling the mixed material subjected to the fermentation step (2) to enter a curing plant, stabilizing ingredients, then enabling the product to enter a production plant, and performing breaking and screening, wherein the diameters of the screened materials are smaller than 10 mm; granulation: extruding and granulating the mixture by a granulator, and then, performing low-temperature drying to produce the organic fertilizer. The preparation method has the following advantages: the organic fertilizer produced by the process is suitable for serving as fertilizer concentrates for planting matrices and various plants, and is suitable for large-scale industrial processing of mushroom residues and animal and plant organic raw materials.

The invention provides a hydrofluoric acid wastewater purification treatment process, and belongs to the technical field of industrial wastewater treatment. The hydrofluoric acid wastewater purification treatment process comprises the five steps of: alkali washing filtration, lime water washing filtration, acid pickling, aeration defoaming and filter pressing impurity removal, specifically, hydrofluoric acid wastewater is sequentially subjected to alkali liquor washing filtration to remove sodium fluoride and alkaline organic matter, lime water washing filtration to remove calcium fluoride and alkaline organic matter and acid pickling to remove alkaline residues and organic matter; supernatant enters an aeration chamber, after aeration combined activated sludge treatment, a large number of organic matter impurities are subjected to flocculating settling, foam formed by aeration wraps suspended solids to be conveniently discharged in a concentrated mode; the supernatant enters a filter pressing chamber, purified water with the fluorine ion concentration reaching the standard is obtained after filter pressing and impurity removal are conducted. The method is suitable for industrial treatment of hydrofluoric acid wastewater.

The invention discloses a processing method of sauce with scallion fragrance. The processing method comprises the steps of pretreating raw materials and frying the raw materials. Lean sandwich meat, scallion, onion and shallot are adopted as main materials. The freshness and the fragrance of the pork are retained to a greatest extent by a special frying process, the fragrance of the scallion is strong and layered, both the taste and the color are very good, and the fragrance of scallion materials is fully retained; the process for preparing the sauce is simple, and the repeatability is high, so that the processing method is very suitable for industrial processing.

The invention discloses an aluminum craft, the main body part and/or the lining plate part of which are/is made of aluminum or an aluminum alloy. The invention makes use of the property that the light reflectivity of aluminum is greater than that of the non-aluminum part on the craft, and makes the aluminum part and the non-aluminum part present light and color differences, thus obtaining a special artistic effect.

The invention discloses a recycling treatment device for wastewater containing copper cyanide. The recycling treatment device comprises a pretreatment system for wastewater containing copper cyanide , a first-stage membrane separation treatment system, a second-stage membrane separation treatment system and a conveying system which communicate with one another sequentially through a pipeline; and the pretreatment system for wastewater containing copper cyanide comprises a collection tank for wastewater containing copper cyanide, a raw water pump, a filter, a carbon filter, a pretreatment fine filter, an ultrafilter, a backwashing pump and a pretreatment water tank which communicate with one another sequentially through a pipeline, the first-stage membrane separation treatment system comprises a first-stage boosting pump, a first-stage fine filter, a first-stage high-pressure pump, a first-stage membrane separation device and a first-stage intermediate water tank which communicate with one another sequentially through a pipeline, the second-stage membrane separation treatment system comprises a second-stage boosting pump, a second-stage high-pressure pump and a second-stage membrane separation device which communicate with one another sequentially through a pipeline, and the conveying system comprises a recycling water tank and a conveying pump which communicate with each other sequentially through a pipeline. The recycling treatment device has the advantages that the cost is reduced, and the arrangement is reasonable.

The invention discloses a pressure-adjusting structure for a double-force-type vice. The pressure-adjusting structure is composed of a vice unit, a transmission unit, an adjusting unit and a double-force unit. A push rod of the adjusting unit is arranged in a guide screw in a penetrating mode, a thread sleeve is arranged at the end of the guide screw in a threaded mode, and thus a second elastic element pushes against a pressing block; a clutch ring is arranged on the periphery of the guide screw in a sleeving mode, and provided with a plurality of axial adjusting grooves with different lengths, and a radial sliding oblique groove is arranged among the axial adjusting grooves in a connected mode. The axial adjusting grooves allow an embossment of the guide screw to move relatively, a driving tube is arranged in the thread sleeve in a threaded mode, and the end of the driving tube pushes against the push rod. An adjusting ring is fixedly connected with the clutch ring through a bolt soas to be integrally linked with the clutch ring, and thus the pressure-adjusting structure can adjust of the pressure increasing amount in a multi-stage mode and easily slides into the axial adjustinggrooves, and operation is simple, easy and effortless.

The invention belongs to the technical field of medicinal chemistry, and particularly provides a method for separating decitabine and an alpha isomer, in particular to a method for separating and purifying a decitabine recovery mother solution with high content of the alpha isomer, and the high-purity alpha isomer and decitabine can be obtained only by sequential splitting through control of a crystallization process. According to the method, the decitabine mother liquor is recycled, the yield loss of decitabine is reduced, and the method is simple, reliable and suitable for industrial treatment of the decitabine mother liquor.

The invention provides a treatment method for dye wastewater. The dye wastewater contains sulfuric acid. The treatment method comprises the following steps of: 1, neutralizing the dye wastewater by using calcium carbonate, and separating to obtain a first solid product and a first clear liquid; and 2, treating the first solid product by using ammonium bicarbonate, and carrying out solid-liquid separation to obtain a second solid product containing calcium carbonate and a second clear liquid. With the treatment method for the dye wastewater disclosed by the invention adopted, the problem of biochemical bacteria intolerance caused by over-high salt content and over-high ammonia nitrogen in wastewater during biochemical treatment is avoided; toxic and harmful organic matters in the wastewater are subjected to biochemical treatment and organic solid waste incineration, and the treatment method is simple and thorough; obtained ammonium sulfate and ammonium chloride have few organic matter residues and high quality; and except the organic solid wastes, no other hazardous wastes are generated.

The invention relates to a method for treating nitrated bamboo cellulose soda boiling wastewater, and belongs to the technical field of environmental protection. The method comprises the steps: transferring the nitrated bamboo cellulose soda boiling wastewater into a container A, stirring, injecting nitrated bamboo cellulose washing wastewater, and stopping injection when the pH value is 7-8; heating and stirring the container A, if the pH value is higher than 7, supplementing nitrified bamboo cellulose washing wastewater, and stopping supplementing when the pH value is 7-8 so as to obtain toobtain liquid M; transferring the liquid M into a vacuum evaporation container B, stirring, vacuumizing, heating, and collecting liquid X; after 2-5 minutes, collecting liquid Y, when the residual liquid accounts for 5-10% of the initial total amount, stopping the operation so that the residual liquid is liquid Z; washing the nitrified bamboo cellulose by using the liquid X; using the liquid Y forsoda boiling of nitrified bamboo cellulose; recycling the liquid Z; and finishing the treatment of the nitrified bamboo cellulose washing wastewater. According to the treatment method provided by theinvention, cyclic utilization of washing and soda boiling of the nitrified bamboo cellulose can be realized, and the problem of sewage discharge in the preparation process of the nitrified bamboo cellulose is effectively solved.

The invention discloses a preparation method of high-purity citric acid chelated copper, and belongs to the field of preparation of trace element nutritional agents. The preparation method comprises the following steps: adding a formic acid catalyst into a reaction kettle according to a molar ratio of citric acid to formic acid of 1: (0.005-0.05); adding a copper salt into a reaction kettle at normal temperature, wherein the amount ratio of citric acid to copper ions in the copper salt is 1: 1.8-2.2, stirring and reacting citric acid and copper ions in the copper salt for 25-35 minutes, filtering, putting filtrate into the reaction kettle, heating to 45-55 DEG C, stirring and reacting for 25 minutes, reacting to generate citric acid chelated copper, and dehydrating to obtain citric acid chelated copper crystals. According to the invention, the formic acid is used as a catalyst; a product obtained by combining citric acid and copper ions is easily dissolved in water, copper formate is also easily dissolved in water, insoluble impurities such as lead and mercury in the raw materials can be removed through filtration, meanwhile, the situation that the product is impure, the reaction time is short and the reaction temperature is low (45-55 DEG C) due to the fact that citric acid chelated copper is generated through direct high-temperature reaction to coat the unreacted raw materials is avoided, and energy saving and environmental protection can be better realized.