19 results about "Flocculation" patented technology

The invention discloses a rapid treatment method for a fracturing flowback fluid. The rapid treatment method comprises: (1) pumping a fracturing flowback fluid into an electron beam irradiation chamber, and staying for 20-120 s in the electron beam irradiation chamber; (2) adding a coagulant and a flocculant into the sewage treated by the electron beam irradiation chamber, and clarifying in a flocculation precipitation pool; (3) feeding the water treated by the flocculation precipitation a precision filtration pool, and carrying out fine filtration; and (4) collecting the water filtered by theprecision filtration pool in a clear water pool. According to the present invention, the gel breaking stage uses physical gel breaking so as to achieve clean gel breaking and greatly reduce the sideeffects of external agents, such that the reuse quality of the fracturing flowback fluid is good, and the fracturing flowback fluid is safe; the gel breaking time is shortened from 5-120 min to 20-120s so as to greatly improve the gel breaking speed; and compared with the traditional chemical gel breaking method and the biological gel breaking method, the method of the present invention simplifyfeeding equipment and other supporting equipment, reduces the occupation area, and reduces the complexity of manual operation.

The invention discloses a benefication method for recovering specularite. The method comprises the processes of primary grinding, grading, primary low intensity magnetic separation, and tailings discarding by primary high intensity magnetic separation; rough concentrate pre-classification by the primary low intensity magnetic separation and the primary high intensity magnetic separation, secondary grinding, secondary low intensity magnetic separation to obtain concentrates, secondary high intensity magnetic separation to obtain concentrates; and selective flocculation desliming secondary conducted on high intensity magnetic separation tailings (middlings), and anionic reverse flotation. The method further comprises the step of arranging a cylindrical slag separating sieve before the primary high intensity magnetic separation. With the advantages that the iron concentrate grade and the iron recovery are high, the loss of granular iron minerals is low, the mineral process flow is short, concentrates and tailings can be obtained in advance and the energy consumption of the benefication is low, the invention can be used not only for selecting specularite ores, but also for selecting weakly magnetic iron minerals, such as hematite, goethite, siderite, limonite, and the like.

The invention discloses a method and a system for modularized combined treatment of high-difficulty organic waste water, and the treatment system comprises: a primary settling tank, an adjusting tank, a reinforced flocculation tank, a precipitation separation tank, a secondary flocculation settling tank, a buffering water tank, a pH adjusting tank, a primary honeycomb microelectrolytic tank, a flocculation settling tank, a secondary honeycomb microelectrolytic tank, an intermediate tank, a heat exchanger, a microwave catalytic oxidation device, a secondary catalytic oxidation pot, and a re-oxidation filter pipe. The treatment method adopts a combined technical scheme of a multistage honeycomb iron carbon microelectrolytic module, a reinforced flocculation module and a microwave electro-catalytic oxidation module; the invention has the characteristics of high applicability, good treatment effect, and unit modularization; the modules can be combined and cascaded freely according to the waste water condition, and thus different waste water treatment effect requirements and waste water quantity requirements are adapted; the operation cost is low; the sludge amount is low; no secondary pollution is caused; and the method is an environment-friendly high-difficulty waste water treatment method.

The invention discloses kelp microcrystalline cellulose and a preparation method thereof as well as application of the prepared microcrystalline cellulose. The preparation method of the kelp microcrystalline cellulose comprises the following steps of by adopting waste kelp residues after kelp glue-extracting as the materials, carrying out flocculation collecting, acidification decalcification, alkaline treatment, bleaching treatment, washing, drying and hydrolytic treatment, wherein in the hydrolytic treatment, two different low-temperature cellulases are respectively added according to the addition of 20U/g-30U/g; carrying out enzymolysis for 0.5-12 hours in a water bath of 10 DEG C-40 DEG C; and drying and crushing to obtain the kelp microcrystalline cellulose. According to the preparation method of the kelp microcrystalline cellulose, the production cost is low, the environment pollution is small, the hydrolysis step adopts a double-enzyme jointed enzymolysis technology, the degradation speed is stable, the degraded cellulose is uniform in molecular weight, the cellulose crystalline grains are small and uniform, degradability of the fibers can be effectively controlled, and the microcrystalline cellulose with high purity and high activity is obtained. The kelp microcrystalline cellulose disclosed by the invention is high in cellulose content, high in water holding capacity and expansion force, and can be used for food additive and pharmaceutical adjuvant in the food industry.

The invention relates to a combined process for standard-meeting discharge of garbage percolate treatment, which takes a garbage percolate stock solution or a garbage percolate pretreated by an anaerobic regulating reservoir as a treatment object, and comprises the following steps: step one, the garbage percolate to be treated is treated by a multiple microporous carrier reaction bed film-formed with microorganisms to decompose organic substances in the garbage percolate; step two, the oxidation flocculation treatment is performed; and step three, the multistage filtration treatment is performed, the treatment fluid with CODcr less than 100mg/L is drained, and the multistage filtration comprises micro-filtration, fine filtration and reverse osmosis orderly. The process has low treatment cost, simple process, convenient equipment maintenance, strong anti-load capability, strong internal digestion power of metabolites, and small amount of sludge discharge, is suitable for garbage percolates with different concentrations and different discharge requirements, flexibly adjusts a program of process combination according to percolates, combines multiple high-efficiency single technologies, adopts different combination schemes, and ensures that the advantages of the single technology are better played.

The invention provides a method for preparing health-maintaining liquor from longan, phyllanthus emblica, olive, hawthorn and passion fruit. The method comprises the steps of: adding a yeast with flocculation optimization characteristics and a fermentation assistant into longan juice for fermentation; and then adding phyllanthus emblica juice, olive juice and/or hawthorn juice to obtain the health-maintaining wine.

The invention discloses a microbicide composition and an application thereof. The microbicide composition comprises an active ingredient and a chelating agent, wherein the active ingredient comprises Zhongshengmycin and chitooligosaccharides, and the weight ratio of the Zhongshengmycin to the chitooligosaccharides to the chelating agent is 1: (0.1 to 15): (5 to 30). The chelating agent comprises at least one of edetic acid, sodium metaphosphate, sodium tripolyphosphate, ammonium citrate, potassium sodium tartrate and aminotriacetic acid. When wettable powder, water-dispersible granules and soluble liquid agents prepared from the microbicide composition disclosed by the invention and microbicides of other compositions and dosage forms are used in a tumble-blend manner, flocculation, precipitation and the like are not caused, and the pesticide effect of tumble-blend use is remarkably improved.

The invention discloses a method for refining a high-temperature wood hydrolyzate. The method comprises the following steps: performing centrifugation on a raw material hydrolyzate; removing the water-soluble macromolecular lignin by a flocculation method; obtaining the hydrolyzate after flocculation, adsorbing the water-soluble small molecule lignin with the resin, and obtaining a purified xylosesolution; removing residual lignin of the purified xylose solution by a filtering device to obtain refined xylose liquid and prepare xylose; and eluting the resin-adsorbed lignin with an eluting solvent, and recovering the eluting solvent and lignin. The recovered ethanol of the invention can be recycled and reused; an integrated vortex reactor is also used to effectively improve and increase theflocculation effect, and the ion exchange resin as an adsorbent has a good adsorption effect on the charged lignin. The hydrolyzate improves the membrane separation effect of a filter membrane and maintains a large flux of the membrane.

The invention discloses a light and fluffy ecological bacteriostatic down fiber, which is characterized by being prepared from the following raw materials by weight part: 30-35 of white duck down, 2-4 parts of pearl fiber, 4-7 parts of mercerized cotton fiber, 3.7-5.8 parts of chitin, 1.3-2.3 parts of nano-ferroferric oxide, 6-9 parts of tetrabutyl titanate, 3-5 parts of straw charcoal, 0.6-0.8 part of sodium humate, 175-185 parts of 1-butyl-3-methylimidazole chloride, and a proper amount of water. In the invention, chitin molecules and down fiber are combined permanently through chemical modification, and are not easy to fall off, the chitin adsorbed on the down fiber surface is combined with the saliva of microbial phospholipid and penetrates into cells to adsorb anion equipped cytoplasm and undergo flocculation, the normal physiological activities of cells are disturbed and bacteria are killed, and the antibacterial properties are thorough. The ecological bacteriostatic down fiber prepared by the method provided by the invention has the characteristics of magnetic physical therapy efficacy, light weight and good fluffy degree, and excellent heat retention, etc.

The invention discloses a method for high-efficiency extraction of pumpkin pigments. The method is characterized by comprising the following steps: (1) extraction of pumpkin solution; (2) flocculation clarification; (3) enzymolysis reaction; (4) filtering treatment; (5) acylation reaction; and (6) preparation of pigment of 40 color value. According to the method, chitosan is used as a flocculation clarification agent, the yield of the product can be relatively improved, and the production cost is reduced; polyethylene glycol is used as the auxiliary solvent, the problem of poor solubility of the red pigments of natural pumpkin is well solved; due to reasonable addition of tartaric acid and ferulic acid, the problem of the stability of the finished product of the red pigment of pumpkin is solved; the adoption of the ultrafiltration technology can meet the needs of large-scale actual production; based on the method, the utilization rate of the raw material is high, the red pigment of pumpkin prepared according to the method not only has high color ratio but also has better properties, purity, stability and solubility and high comprehensive performance price ratio.

A preparation method of frozen noodles containing pre-gelatinized hydroxylpropyl starch is characterized by comprising the following steps of: weighing 100g of flour, 30g of distilled water, 1g of iodized table salt, 0.1g of edible alkaline noodle and 1% of pre-gelatinized hydroxylpropyl starch, stirring for 12min; pouring the mixed noodle flocculation in a clean self-sealing bag, standing and aging for 20min; pouring the aged noodle flocculation in a noodle press, pressing the aged noodle flocculation into a noodle band, and continuously calendaring three times to obtain the noodle band withthe thickness of 1.1mm; cutting the noodle band into strips by using a noodle cutter to obtain noodles with the thickness of 3.4mm, and picking up incomplete noodles; braising the prepared rough noodles for 6min in a pot for steaming food, cooking in boiled water until central white lines of the noodles just disappear, rapidly fishing out noodles by using a colander, cooling the noodles for 30s in distilled water, dropping, putting the cooled noodles in the self-sealing bag, placing the self-sealing bag in a square box, rapidly freezing at 40 DEG C below zero for 15min, taking out and refrigerating at 18 DEG C below zero for later use.

The invention discloses a treatment system and method for mixed waste liquid of drilling wastewater and fracturing flowback fluid. The system comprise a wastewater storage unit, a flocculant filling unit, a coagulant aid filling unit, a static mixing unit, a micro-chemical flocculation unit, a gravity settling unit, an ion masking agent filling unit and an ion exchange unit. A flocculant is addedto the mixed waste liquid of the drilling wastewater and the fracturing flowback fluid sequentially and evenly mixed with the mixed waste liquid, a coagulant aid is added to the mixed waste liquid ofthe drilling wastewater and the fracturing flowback fluid for reaction, floating matter and precipitates are finally removed by standing, corresponding treatment agents are selected according to the characteristics of different metal ions in the wastewater to remove calcium, magnesium and boron ions in the wastewater, and treatment can be completed with the process. After treatment with the process, the concentration of suspended matter in water is lower than or equal to 10 mg/L, the concentration of calcium ions is lower than or equal to 300 mg/L, the concentration of magnesium ions is lowerthan or equal to 150 mg/L, and the concentration of boron ions is lower than or equal to 10 mg/L. The treated mixed waste liquid of the drilling wastewater and the fracturing flowback fluid can be used for guanidine gum fracturing water in tight gas wells, and reuse of water resources is realized.

The invention discloses a method for removing algae pollutants in a water body by improving the self-flocculation capacity of algae. The method specifically comprises the following steps: (1) adding areagent, namely adding AM and AIBI into an algae-containing water body, dissolving AM and AIBI under stirring, and uniformly mixing all the components; (2) illumination: putting the reactor filled with the mixed aqueous solution under natural illumination for reaction, and then conducting standing treatment; and (3) standing treatment: conducting standing treatment on the water body, and carryingout solid-liquid separation to effectively settle algae and remove extracellular organic matters (EOM) secreted by the algae in the water body. According to the method, the sedimentation rate of algae is stabilized to be 95% or above, and the removal rate of algae extracellular organic matter difficult to remove is stabilized to be 90% or above; therefore, the method has the advantages of being high in removal efficiency and large in application potential.

The invention relates to the technical field of egg products and processing, in particular to a production method of a healthcare functional baked egg. The method comprises steps of raw material preparation, cleaning, cooking and shelling, preparation of a pickling solution, pickling and baking. The method has the benefits as follows: fish liver oil is added to raw materials, so that the baked egghas healthcare functions, meanwhile, the human immunity can be improved, calcium powder is added and can adjust the viscosity of the pickling solution, so that components of the pickling solution canuniformly penetrate through a duck egg, the prepared baked egg is better flavored. Chitosan is added to bittern and has preservation and flocculation functions, so that the flavor of the prepared baked egg cannot be lost. Besides, due to the flocculation function of the chitosan, the components of the bittern can fully penetrate through the duck egg, and the flavor of the baked egg is improved; and an anti-caking agent is added, and effects on the pickling effect due to the fact that components in the prickling solution cake are prevented. Through the three-step baking process in the step 6,the prepared baked egg has crisp taste, unique flavor and golden yellow color.