61results about How to "Strong decolorization ability" patented technology

A purified water activated carbon produced from the plant castoff includes the material ingredients of following weight percentage: The percentage of highly processed plant waste residue is between 80 percent and 84 percent. The percentage of non highly processed plant waste residue or a soft coal is between 15 percent and 19 percent. The percentage of a chemical additive is between 1 percent and 5 percent. The present invention makes the best of a lignin, a fibrin and a rudimental sugar in the plant waste residue and takes the ingredients as a backbone. A little chemical substance is used to adjust the hole distribution and the surface functional groups. The produced purified water activated carbon has the following advantages. (1). Strong decoloration capability. The present invention is applicable to the color substance with giant molecule group. (2). Strong deodorization capability. The present invention is especially applicable to the alga and alga poison. (3). Strong capability of removing the harmful and organic residuum (MCA/DCA/THC/MTBE and others). The present invention has also a low cost and a good effect.

The invention discloses acinetobacter baumannii, and a screening method and an application thereof in degradation of an azo dye Congo red. The stain is named as acinetobacter baumannii YNWH226, is preserved in China general microbiological culture collection center, and has the preservation number of CGMCC No.7922. The invention provides the new acinetobacter baumannii and the application thereof in degradation of the dye. Especially, the acinetobacter baumannii can effectively degrade the azo dye Congo red, has quite good decoloration and mineralization effects on Congo red wastewater, can completely mineralize the Congo red under a simple aerobic condition, and has great significance on governance of dye pollution and study on aerobic degradation of the azo dye.

The invention discloses a device and a method for treating difficultly degraded organic waste water by a plasma technology. The device is characterized in that the device comprises a low-temperature plasma tank; a side of the low-temperature plasma tank is provided with a water distribution tank; the water distribution tank is communicated with the low-temperature plasma tank by water distribution pipes; the water distribution pipes comprises a main water distribution pipe and multiple perforated water distribution branch pipes; the perforated water distribution branch pipes penetrate transversely the low-temperature plasma tank and are hung with a metal wire mesh; a water collecting tank is arranged in the low-temperature plasma tank and is located below the metal wire mesh; a high voltage pole is arranged in the low-temperature plasma tank; the high voltage pole and the metal wire mesh are arranged at an interval; and the high voltage pole is connected with an external power supply.The method comprises the following steps of assembling all the parts of the device, enabling organic waste water to form a uniform liquid film on the metal wire mesh and to flow down, and carrying out destroy and decomposition of pollutants by active substances produced by high voltage pole discharging. The device has a small floor space, is suitable for large-scale treatment, has a high active free radical yield and can improve treatment effects of difficultly degraded organic waste water.

The invention discloses an ecological floating bed for oil-polluted water remediation. The main frame of the ecological floating bed comprises multiple assembled casing supports. Joints of the casing supports of the main frame are connected to matched PVC casing pipe joints and the joint openings are sealed by silica gel. A modified TiO2 photocatalytic material is carried by waste polyurethane foamed plastic recovered and recycled by an alcoholysis method so that the casing supports are prepared. The bottom of the main frame is wrapped by a non-woven fabric. Wrapped parts of the non-woven fabric and the main frame are tightened by a nylon rope. In each unit, a certain amount of a bottom filler layer and an upper filler layer are uniformly laid. Crops are planted in the upper filler layer. The paddy rice sprout on a floating bed can fully absorb redundant nitrogen and phosphor in water so that plant growth is promoted, the plant roots can promote floating bed bottom microbe growth so that floating bed water purification effects are improved, and the modified fly ash and the non-woven fabric have strong adsorptivity. The floating bed has three technology advantages and improves oil pollutant adsorption degradability and cleaning effects.

The invention discloses an acid-producing klebsiella oxytoca MOW-02-05, a selection method and an application of the acid-producing Klebsiella oxytoca MOW-02-05, wherein the acid-producing klebsiella oxytoca MOW-02-05 is isolated from an intermittent anaerobic sludge reactor and can efficiently degrade dyes and organisms to produce hydrogen; and the klebsiella oxytoca MOW-02-05 is used for decolorizing azo dyes and biologically produce the hydrogen from organic carbon resources. The strain is identified as klebsiella oxytoca MOW-02-05 and is preserved in China General Microbiological Culture Collection Center, and the preservation number is CGMCC No. 5237. The strain obtained by the invention can solve a problem caused by acidifying the reactor when a conventional anaerobic reactor treats azo dye wastewater, and is suitable for biological treatment of printing and dyeing dye wastewater.

The invention relates to a multi-effect water treatment agent, a preparation method thereof and a water treatment method. The multi-effect water treatment agent is prepared from acrylamide oligomer grafting graphene oxide, polyacrylamide, polysilicate aluminum ferrite, poly(diallyl dimethyl ammonium chloride) and sodium bicarbonate, wherein the acrylamide oligomer grafting graphene oxide is prepared by two steps of graphene oxide carboxylation and grafting reaction. The multiple-effect water treatment agent can adapt to multiple complex water qualities, and particularly can effectively remove benzene compounds and heavy metal ions. The water treatment method comprises stages of mixing, preliminary flocculation, secondary flocculation and filtering; the efficient utilization of the water treatment agent is realized by using a lower water backflow step, and the production cost is lowered.

The invention relates to an intensified cane juice clarification method which comprises pre-liming, primary heating, CO2 full filling, sulphitation and neutralization, secondary heating and settlement; the CO2 full filling procedure is as follows: pre-limed and primarily heated mixed juice is fed with CO2 and Ca(OH)2, the mixed juice is fed into an eddy reactor to have CO2 full filling reaction, and then the cane juice from the eddy reactor has sulphitation and neutralization reactions or is added with some the mixed juice which does not have CO2 full filling reaction to carry out the sulphitation and neutralization reactions; the amount of the Ca(OH2) which is fed into the mixed juice in the CO2 full filling procedure is about 0.05 percent of the weight of the cane juice, and the molar ratio of the amount of CO2 to the amount of Ca(OH)2 is 1:1, and the amount of SO2 and the Ca(OH)2 added in the sulphitation and neutralization reactions is 55 to 95 percent of the amount required in the traditional sulphitation and neutralization reactions. The method can improve the cane juice neutralization reaction speed and the reaction degree as well as the decolorization effect, and reduce the residual sulfur.

The invention discloses a refined sugar decolorization treatment device and a decolorization, backwashing, regeneration and cleaning process. An operation system comprises a syrup pump, a decolorization sugar liquid pump, an ion exchange bed group, a dilute sugar liquid tank, a concentrated sugar liquid tank and a decolorized sugar liquid tank. A regeneration system and a reverse regeneration system are communicated with a first pipeline and a second pipeline through pneumatic ball valves and are used for regenerating the ion exchange bed group. The regeneration system comprises a heat exchanger, a heat preservation water tank, a regeneration water pump, a salt dissolving tank, a salt liquid pump, a bag type filter, a desalted water tank, an alkali discharging pump, an alkali storage tank,an alkali metering tank and an alkali metering pump. The reverse regeneration system comprises an ejector, an acid metering box, an acid storage tank and an acid discharging pump which are sequentially communicated. The device has the advantages of small occupied area, no need of external cleaning equipment, good treatment effect, stable removal rate and the like.

The invention discloses a method for extracting adenosine, comprising the following steps of: A, adjusting pH value of an adenosine fermentation broth to 7-8 by the use of aqueous alkali, heating, stirring, adding a flocculating agent, adjusting the rotating speed to 60+/-10 r/m after 60+/-10 minutes, stirring for 5-7 minutes, standing for 10-15 minutes, followed by press filtration; B, condensing the filtrate obtained from the step A in a rotary film evaporator to obtain a concentrate while the condensation temperature is controlled within 70+/-10 DEG C and degree of vacuum is -0.095+/-0.01 Mpa; C, placing the concentrate obtained form the step B at room temperature, naturally cooling for 2+/-1 h, continuously cooling to below zero, followed by freezing crystallization to obtain a crystalline liquid; and D, carrying out pumping filtration on the frozen crystalline liquid obtained from the step C to obtain a wet product, putting the wet product into a baking oven, and drying for 10+/-1 h so as to obtain a dry adenosine crude product. By the adoption of the method for extracting adenosine from the fermentation broth, the obtained adenosine crude product contains little content of impurities, the loss of the product adenosine is little, and the adenosine yield of a subsequent purification technology and a refining technology is obviously raised. In addition, the whole extraction method is economical and effective.

The invention relates to a method for extracting polysaccharide from hericium erinaceus spore powder, which comprises the following steps: (1) soaking the hericium erinaceus spore powder in a sodium chloride aqueous solution to ensure that sodium chloride fully enters the spore powder to obtain pretreated spore powder; and (2) immersing the pretreated spore powder into deionized water to obtain the swelled spore powder. And (3) freeze-drying the swelled spore powder, and crushing to obtain the wall-broken spore powder. And (4) heating the wall-broken spore powder in water, carrying out ultrasonic extraction, carrying out solid-liquid separation after the extraction is completed, and respectively collecting a to-be-extracted solution and solid residues. And (5) adding a modified adsorbent into the to-be-extracted solution to perform decoloration treatment, then performing solid-liquid separation after decoloration treatment is completed, and sequentially performing alcohol precipitation separation and drying treatment on the obtained decoloration solution to obtain a hericium erinaceus spore powder polysaccharide product. According to the method disclosed by the invention, the wall breaking effect on the hericium erinaceus spore powder is effectively improved by adopting the characteristics of the freeze-drying technology, the decoloration treatment is also realized, and the purity and quality of the extracted polysaccharide substance are improved.

The invention provides a production technology of a high-stability magnesium-ferrous composite flocculating agent. The flocculating agent comprises 100 weight parts of brine, 5 to 20 weight parts of industrial grade ferrous sulfate heptahydrate, and 0.2 to 5 weight parts of hydrochloric acid. The production technology comprises the following steps of: putting the industrial grade ferrous sulfate heptahydrate into an anticorrosive tank, and adding the industrial hydrochloric acid which is diluted by 2 to 5 times through the brine for complexing and curing; slowly adding the brine into the cured solution with stirring; regulating the pH value of the solution to be between 1 and 3 by using a salt or a weakly alkaline substance; putting micro iron powder which attracts a magnet and is used as a stabilizer into the solution, performing reduction reaction, and quickly regulating the proportion of divalent iron to trivalent iron; and sealing and preserving the solution. The flocculating agent is high in stability, and can overcome the defects that the solution is foamed and overflows a reactor when the iron powder is added for oxidation resistance and the residue blocks a conveying pipeline in the prior art.

The invention discloses a method and a device for multistage and multi-effect catalytic advanced oxidation coking wastewater advanced treatment. The device comprises a pretreatment catalytic ozonationair floatation treatment system, a multi-effect filtration treatment system, a hydrogen peroxide contact oxidation system, a hydrogen peroxide/ultraviolet heterogeneous catalytic nano-bubble ozonation system, a heterogeneous filtration and catalytic digestion system and an effluent/backwashing system. Macromolecular organic matters which are difficult to treat in the coking wastewater are effectively removed through multistage and multi-effect catalytic advanced oxidation; the coordination effect of heterogeneous catalysis reduces the consumption of a single oxidant and reduces the unit price cost of system treatment; the application of a granular carbon catalytic ozonation technology under an alkaline condition achieves a very strong decomposition function and a very strong decolorizingeffect; and the application of the hydrogen peroxide/ultraviolet heterogeneous catalytic nano-bubble ozonation system makes the chroma of the effluent finally controlled within 20.

The invention relates to the field of polymer chemistry, in particular to a novel acrylic decolorization resin and a preparation method thereof. The preparation method comprises the following steps: by taking a polyvinyl monomer as a cross-linking agent, carrying out suspension polymerization on a vinylpyridine monomer and an aliphatic unsaturated ester monomer in the presence of a pore forming agent to obtain white balls; carrying out aminolysis reaction on the obtained white balls and polyethylene polyamine to introduce amine groups; and reacting the obtained amine balls with a monomer containing an alcoholic hydroxyl group under an alkaline condition to obtain the acrylic ion exchange decolorization resin. The resin has the properties of a strong-base resin and a weak-base resin containing pyridine groups at the same time; and compared with the commercially available common strong or weak-base ion exchange resin, the obtained target product in the invention has the advantages of high functional group content, strong decolorization capability, good contamination resistance, long service life, greater social benefit and economic benefit and the like during the decolorization process.

Relating to the technical field of resin processing, the invention discloses an enzymatic hydrolysate decolorization resin for natural pectin extraction. The enzymatic hydrolysate decolorization resin is prepared from the following raw materials by weight: 60-65 parts of cyclohexyl methacrylate, 40-45 parts of ethylene glycol dimethacrylate, 30-40 parts of divinyl benzene, 20-30 parts of a pore-forming agent, 5-10 parts of caprylic capric triglyceride, 4-8 parts of sodium carboxymethyl starch, 4-8 parts of microcrystalline cellulose, 3-6 parts of Carbomer 934, 3-6 parts of di-octadecyl dimethyl ammonium chloride, 2-4 parts of magnesium aluminum silicate, 2-4 parts of triallyl cyanurate, 1-2 parts of isopropyl myristate, 1-2 parts of an initiator, 0.5-1 part of polyaspartic acid, 15-20 parts of ethanol, and 200-250 parts of water. The resin prepared according to the invention is specifically used for enzymatic hydrolysate decolorization in a natural pectin extraction process, can effectively remove colored impurities from the enzymatic hydrolysate and coal ash brought in during pomace drying, and can reach a decolorization rate up to more than 98%, thereby significantly improving the color value and purity of the obtained pectin.

The present invention discloses one kind of saccharomycetes and its application, and provides one saccharomycete strain, Pseudozyma rugulosa Y-63 CGMCC No. 1247, with high dye decolorizing ability and its usage in decolorizing dye. The saccharomycete strain, Pseudozyma rugulosa Y-63 CGMCC No. 1247, has very high activity, very powerful dye decolorizing ability, simple culture process, fast growth speed and less mutation, and may be used as the template strain for the research of dye decolorizing mechanism. What is more important is that the saccharomycete strain may be used directly in decolorizing dye and has industrial application foreground in dye waste water treatment.