97results about How to "Scientific and reasonable process design" patented technology

The invention relates to a method for preparing a highland barley-wheat germ deep processing product, in particular to a process for preparing highland barley-wheat germ biological fermented milk, which solves the problems that the highland barley-wheat germ deep processing product has a single form and that nutrients cannot be absorbed by a human body completely. Lactobacillus bulgaricus, streptococcus thermophilus and lactobacillus acidophilus are inoculated according to a certain ratio, and a beta-glucan functional factor, dietary fibers, trace elements, microorganisms and the like of highland barley, and the nutrients such as high-quality plant proteins, vitamin E and the like of the wheat germ are utilized. The method mainly comprises the steps of: the compounding of the highland barley and the wheat germ, grinding into thick liquid, enzymolysis, the addition of milk and lactic acid fermentation. The prepared highland barley-wheat germ lactobacillus beverage is rich in proteins, lactic acid bacteria, beta-glucan, various trace elements, vitamins and the like.

The invention discloses a method for purifying tea saponin from camellia oleifera seed cake, comprising the following process steps: degreasing the pulverized and sieved camellia seed cake with petroleum ether; degreasing the degreased camellia seed cake powder with 85 %~95% ethanol solution is extracted three times to obtain crude tea saponin slurry; the crude tea saponin is purified by flocculation-precipitation release method: in the first step, alum solution is used as a flocculant, and some impurities are removed by filtration; In the first step, the lime emulsion is used as a precipitating agent, so that tea saponin is converted into calcium tea saponin, which is precipitated and separated from water-soluble impurities; in the third step, acetic acid solution is used as a saponin releasing agent, so that calcium tea saponin is converted into tea saponin Dissolved in water, filtered to further remove impurities; the purified tea saponin solution was decolorized, concentrated and spray-dried to obtain refined tea saponin. The process of the invention is simple, the industrial scale production is convenient, and the obtained product has high purity.

The invention provides technology for processing millet rice with remained germ. In the technology, unpolished rice which is screened through husked rice separation with husking yield and serviceability rate of rice germ more than or equal to 97 percent, moisture content of between 12.5 and 14 weight percent is adopted as a raw material for processing the rice with remained germ; four ranges of rice milling machines are arranged, wherein two parallel machines are arranged in each range; four-placer four-iron combined rollers are adopted in first milling and second milling; an additional air jetting device is arranged in the range of third milling to form a wind packing auger, so that air-jet capacity can reach 120 to 170m / h; the rice milling machine of the fourth range is connected with a set of negative pressure air nets, with air quantity of between 15,000 and 18,000 cubic meters / hour; and the millet rice with remained germ with complete germ and germ content of between 80 and 85 percent can be finally obtained through rice grading screen and color selection. The technology has the advantages of scientific and reasonable design and mature implementing technology; and by the technology, the millet rice with remained germ with complete germ, high germ content and rich nutrient ingredients can be produced, thereby realizing large-scale industrial production of the millet rice with remained germ for the first time.

The invention discloses a prediction and assessment method for stability of surrounding rocks of a mining roadway. The prediction and assessment method comprises the following steps: inputting measured data of influence factors of surrounding rocks of the mining roadway into a computer; then, retrieving sample data to set up a prediction model of a single kernel function support vector machine; combining selected global kernel functions with local kernel functions to form mixed kernel functions to set up a prediction model of a mixed kernel function support vector machine; utilizing a particle swarm algorithm to optimize penalty factors, kernel parameters and single kernel function coefficients of the predication model to set up a prediction model of a particle swarm algorithm-mixed kernel function support vector machine for stability of surrounding rocks of the mining roadway; and calculating prediction precision and reliability of to-be-predicted samples and assessing the maturity of the model. The prediction and assessment method for stability of surrounding rocks of the mining roadway is easily adopted and scientific. The grade prediction result of stability of surrounding rocks of the mining roadway and the maturity assessment result of the model are accurate and reliable and are highly consistent to the reality.

The sewage deeply treating process for treating oil refining and chemical sewage after biochemical treatment includes treatment in efficient aeration bioreactor, adding flocculant to water, sand filtering, mixing with ozone active carbon treatment, filtering in efficient multiple medium filter, filtering in efficient composite filter, and filtering in microfilter successively. The advanced stable treating process has low cost, COD eliminating rate over 90 % and BOD5 eliminating rate over 95 %, and the treated water has COD less than 10 mg / L, suspension 20 mg / L, oil 1.0 mg / L and NH3-N 1.0 mg / L, reaches the standard for desalting water and meets the requirement of oil refining and chemical production.

The invention discloses high-plumule millet nutritious rice flour, which comprise the components of plumule-containing millet outer flour, soybean flour, all-millet flour and wheat flour in a weight mixing ratio of 20-30:1-5:3-5:60-80. The processing method of the nutritious rice flour comprises: removing large-size impurities by using a primary cleaning screen; removing small-size impurities in a vibrating screen; removing light impurities; removing stones by a stone removing machine; dressing by magnetic separation; primarily striking grains for husking 40 to 50 percent of grains; secondarily striking grains for husking over 90 percent of grains; dressing by magnetic separation; forcefully coarsening by a roller 1 and coarsely rolling; finely rolling by a roller 4; taking the plumule-containing outer flour by a flour sucker; grading by a grader; dressing by magnetic separation; mixing by a mixer; and packing. The high-plumule millet nutritious rice flour is advantageous over rice flour in terms of vitamin content, mineral content, trace element content and the like, can be used to make various foods and has a balance nutrition structure due to the combination of coarse and fine rice flour. The high-plumule millet nutritious rice flour can improve body immunity and has a remarkable health-care effect. The high-plumule millet nutritious rice flour contains rich dietary fibers and therefore is favorable for promoting gastrointestinal motility and digestion of people. A problem of coarse mouthfeel of millet is solved. The high-plumule millet nutritious rice flour has a strong and agreeable fragrance and is suitable for people of all ages.

The invention relates to a preparation method of high viscosity cationic starch, which comprises the technological steps of: 1) using the mixture of an alkaline catalyst and an inhibitor to adjust the pH of starch slurry to be 10swung dash12; 2) heating and adding the mixture of an alkaline activating agent and a cationic etherifying agent, and stopping heating until the temperature reaches 40 DEG C; 3) using the mixture of the alkaline catalyst and the inhibitor to adjust the pH of the starch slurry to be 11swung dash12, keeping heating until the temperature of the starch slurry reaches 49swung dash50 DEG C, and etherifying for 1swung dash5h; 4) adding an alkaline cross-linking agent, and reacting for 1swung dash6h; and 5) dehydrating the starch slurry, obtaining green starch, adding an acidulant, mixing uniformly, acidizing the starch for 0.5swung dash2h at 50swung dash100 DEG C, and after cooling, smashing and screening, obtaining a product. The product has high paste viscosity, high acid and alkaline-resistant stabilities, and can be applied in the fields of paper making, mineral separation, oil fields, adhesives, waste water treatment and the like.

The invention relates to a disintoxicating rice milk beverage which is characterized in that 1,000 parts by weight of the finished production of the disintoxicating rice milk beverage is prepared from the following materials in parts by weight: 200-400 parts of brown rice leach liquor, 10-90 parts of flavoring agent, 200-400 parts of plant extract, 2-6 parts of emulsification stabilizing agent and the balance of purified water. The invention has the advantages that the rice milk beverage has very important functions of promoting human health and preventing and treating modern civil diseases, and is not only suitable for people who drink too much, but also suitable for students, office workers, patients, middle-aged persons, and the like. The invention has scientific and reasonable technical design, is simple and easy to operate and is easy to industrialize.

The invention belongs to the technical field of medical preparations and particularly relates to an oligopeptide wound dressing for promoting healing of a diabetic wound and a preparation method of the oligopeptide wound dressing. The oligopeptide wound dressing takes holothurian holothurian and bovine bone collagen oligopeptide as the main ingredients and ginseng oligopeptide as the auxiliary material, and is a liquid dressing prepared from the main ingredients, the auxiliary materials, a humectant, a permeation accelerant, a cooling and refreshing ingredient and a dressing solvent. The dressing takes the purely naturally extracted holothurian holothurian, bovine bone collagen oligopeptide and ginseng oligopeptide as the main materials, chemosynthetic preservatives or bacteriostatic agents are not added, and the oligopeptide wound dressing improves the postoperation nutritional condition of a patient and effectively promotes the healing of the wound after being applied to the postoperation of the diabetes patient, and has the effects of inhibiting bacteria, diminishing inflammation and resisting oxidation.

This invention relates to the preparation of wheat germ agglutinin (WGA) and its application in restraining breast cancer's activity. It belongs to a field of wheat by-product material's deep processing technology. The wheat germ was comminuted, degreased,deep comminuted, super sound intensified acid extracted, salting out, heat treated, ultrafiltrated and affinity chromatographed, then the composition which have red cell agglutinating activity was desalted and freeze dried, and at last WGA is gained. Cell culture determines that the WGA has depressant effect on rat breast cancer cell strain SHZ and trypsin dependent form human breast cancer cell strain MCF-7. This invention's technology design is scientific and reasonable, manipulate is convenient and procedure is not polluted. The invention provides groundwork for exploiting drug of restraining cancer, and can enhance the utilization value of wheat germ deep processing and related industry's economic returns.

The invention relates to a pie with chicken and corn and a preparation method thereof. The preparation method comprises the following steps of adopting chicken, sweet corn and green beans as main materials, adopting ice water, white granulated sugar, trehalose, wheat drawing protein, soybean tissue protein, salt, baking soda, monosidum glutanate, I+G, corn essence, a composite-phosphate water-retaining agent and spices such as onion powder as auxiliary materials, respectively slicing, stirring, freezing, sizing, coating with powder, frying, cooking and quickly freezing to obtain the pie with the chicken and the corn. The pie has the advantages that the chicken, the sweet corn and the green beans are selected for composition, and rich protein in the chicken, dietary fiber, unsaturated fatty acid, vitamins, minerals and anti-oxidation active substances in the plant materials are combined, so that the defect of higher calories of a chicken product is improved and the pie is beneficial to the health of a human body after being eaten. The pie is scientific and reasonable in process design, can be eaten after being heated by microwave and can meet the need of people for the fast-paced life.

A biodegradable pearl powder is prepared from pearl through screening, washing, immersing, boiling in soybean milk, baking, crushing, loosening the laminar structure, mechanical grinding by 2500 meshes, biodegradating, hydrolytic cyclone grinding, 4-layer extracting, sterilizing, baking, pulverizing and packing. It has high water solubility (99.92%) and high contents of Ca and amino acids.

The invention relates to a treatment method of industrial waste liquid and discloses a process for treating aluminum substrate acid cleaning and alkaline cleaning waste liquid. The process is mainly characterized by comprising the following steps of: firstly, adding a proper amount of carbonate mineral powder into aluminum-containing acid cleaning waste liquid to perform a replacement reaction, secondly, adding aluminum-containing alkaline cleaning waste liquid into the mixture for neutralization, and finally, separating the mixture to ensure that the waste liquid is discharged after reaching standards, wherein the waste residues are discharged as environment-friendly inorganic insoluble matters or serve as raw materials for producing aluminum. Therefore, the method has the characteristics of using cheap and easily-obtained carbonate ores and all the processed alkaline cleaning waste liquid, normally treating and separating the formed matters, greatly reducing treating cost and solving the technical problem of treating the aluminum-containing acid cleaning and alkaline cleaning waste liquid of small enterprises in the field, and has the advantages of scientific and rational process design, advancement and practicality, economy, obvious social effect and the like.

The invention discloses a solid beverage formed by compounding pleurotus nebrodensis with small molecule peptides and a preparation method of the solid beverage, belongs to the technical field of solid beverage processing and provides a high nutrition functional food in the market. By using collybia albuminosa peptide powder, pleurotus nebrodensis peptide powder, mushroom peptide powder, chestnutground peptide powder, hericium erinaceus peptide powder, coprinus comatus peptide powder, tremellodon gelatinosum peptide powder, pleurotus eryngii peptide powder, abalone mushroom peptide powder, pleurotus ostreatus peptide powder, pleurotus citrinopileatus peptide powder and wild portobello peptide powder, the effects of lowering blood pressure, blood fat and cholesterol can be achieved by thesmall molecule peptides. Honey is a long-lived food and the substances are selected as main materials; polysaccharides, vitamins, trace elements, essential oils and the like are taken as auxiliary materials; the main materials and the auxiliary materials are weighed and mixed according to different proportions and the mixture is prepared into granules; and the granules are dried and packaged to obtain peptide granules. The solid beverage has the efficacy of lowering the high blood pressure, the high blood fat and the cholesterol.

The invention discloses a method and system for preparing silver copper oxide composite powder. The preparation method comprises the following steps that 1, silver raw material and copper raw materialare weighed according to the proportion, the sliver raw material and the copper raw material are dissolved to prepare a precursor solution containing silver nitrate and copper nitrate; and 2, an atomization treatment is carried out on the precursor solution to obtain precursor fog drops with the particle size being 0.01-100 [mu]m, and thermal decomposition is carried out on the precursor fog drops at the temperature of 400-1000 DEG C to obtain the silver copper oxide composite powder. The preparation system comprises an atomizing device, a heat treatment device and a cyclone collecting device. The preparation method is characterized in that a proper amount of C1-C4 alcohol is added when the precursor solution is prepared, and therefore the degree of sphericity of the silver copper oxide composite powder can be effectively controlled; a proper amount of ammonia water is added, and therefore the silver copper oxide composite powder with the hollow structure can be prepared; the cyclonecollecting device can be used for effectively grading powder bodies with different particle sizes; and the process design is scientific, the process is continuous, the equipment structure is reasonable, the raw materials are easy to get and low in price, the phase of the reaction product is controllable, the purity is high, the particle size is controllable, large-scale production can be realized,and the application prospect is wide.

The invention relates to a small-scale kitchen garbage centralized processing technology. The technology comprises the following steps: the ground and crushed kitchen garbage slurries by adding water is entered in a kitchen garbage centralized processing device by a pipeline under pressure. In the device, the effects of physicochemical electrolysis and special bacteria biochemical decomposition are used for liquefaction and decomposition of fine kitchen garbage particles, thereby the slurries is conversed to the organic sewage with high density. The sewage is reentered in a biochemical degradation zone, under the effect of anaerobic bacteria, the kitchen garbage organic waste water with high density is gradually degraded to the sewage with low concentration even the reclaimed water. The effluent can be discharged to municipal sewage pipes or be processed and utilized. The processing technology of the invention has the advantages of scientific and reasonable design, low processing cost, short period, simple device and flow and strong operationality. The processing technology of the invention is suitable for centralized processing small-scale kitchen garbage generated in novel dwelling house districts, high-grade restaurants, hotels and the like.

The invention discloses a method for producing cutting oil and a mould release agent by using waste engine oil. According to the method, the waste engine oil is extracted for a plurality of times by using a surface active agent,, namely n-octanoic acid hot water solution, the obtained oily solution is distilled for collecting lightweight oil, and the cutting oil is produced by complementing other components according to a design scheme; the obtained aqueous solution is filtered by using a fine screen, so that the dust or metal debris precipitate in extract liquor can be removed; the contents of an extract and n-octanoic acid in the extract liquor are measured, and the mould release agent can be produced by complementing other components according to a scheme. The method provided by the invention is efficient in production, low in cost, energy-saving and environmentally-friendly, thus having a better market application prospect.

The invention discloses instant dark tea powder. The instant dark tea powder is prepared by the following steps of: screening dark tea to be processed to remove various impurities, and cleaning the dark tea by using cold water to remove dust and residual pesticide; drying the cleaned dark tea raw material till the water content is 6 to 10 percent; performing ultra micro crushing on the dried dark tea raw material until the granularity is less than or equal to 1 micron; and grading and separating, taking ultra micro dark tea powder with the granularity of 1 micron, and thus obtaining the instant dark tea powder. The obtained instant dark tea powder can be dissolved in normal temperature water; and the obtained dark tea beverage has original flavor of the dark tea and thick fragrance, and is difficult to precipitate. The technology is scientific and reasonable in design and easy, convenient and feasible in operation, does not pollute the environment, and can improve the comprehensive utilization value of the dark tea.

The invention discloses a bamboo producing method. The bamboo producing method includes the following steps that S1.1, raw bamboo is cut into bamboo chips, the bamboo chips are flattened, and bamboo green and tabasheer are removed; S1.2, the processed bamboo chips are placed into boiling water to be stewed in a pressurized mode for 1-5 h with the stewing pressure being 1.1-2 Mpa, and the stewed bamboo chips are fished out and dried until the moisture content reaches 10-15%; S1.3, the bamboo chips obtained in the step S1.2 are placed into vegetable oil under a vacuum condition to be soaked in atemperature-rising mode with the oil temperature being 150-170 DEG C and the soaking time being 2-3 h, the soaked bamboo chips are fished out, then the upper and lower surfaces of the bamboo chips are wrapped with sponges, and the bamboo chips are subjected to standing under the vacuum condition with the standing time being 2-3 h; and S1.4, the bamboo chips obtained in the step S1.3 are placed into an organic solvent to be soaked for 20-40 min and then are taken out to be dried, so that finished bamboo is obtained. The bamboo producing method is scientific and reasonable in process design, bamboo is modified by means of the scientific method in the bamboo floor producing process according to performance features of the bamboo, good performance of the bamboo is guaranteed, the bamboo doesnot crack or deform, and the bamboo stability is improved.

The invention provides a comprehensive treatment process for a glyphosate mother liquor. The process includes subjecting the glyphosate mother liquor to concentration and triethylamine hydrochloride precipitation; removing the triethylamine hydrochloride precipitate to obtain a glyphosate mother liquor concentrate A; adding a pH adjusting agent to make the solution layered; extracting triethylamine and hydrochloride from a solution containing the triethylamine hydrochloride; converting the triethylamine hydrochloride into triethylamine; then treating a salt solution containing organophosphorusto obtain a corresponding dibasic biphosphate or an aqueous glyphosate solution. The process is scientific and reasonable, achieves high-efficiency recovery of triethylamine, can obtain a plurality of by-products without waste liquid and solid waste, greatly reduces the treatment cost for the glyphosate mother liquor, and has obvious economic and environmental benefits. The process solves the difficult problem that the glyphosate mother liquor cannot be completely treated, which hinders development of the glyphosate industry, and the process achieves comprehensive treatment of the glyphosatemother liquor and is suitable for large-scale industrial production.

The invention discloses a high-purity europium oxide production technology adopting linkage extraction. The production technology comprises the steps of counter current leaching, heating precipitation, filtering washing, solution washing, solution stripping and fuzzy linkage extraction. The technological design is more scientific and reasonable, the high-purity europium oxide production technologyadopts fuzzy linkage extraction and solution washing and stripping shared technology, the rare earth element exchange function is sufficiently utilized, and the separation effect can be improved. Thehigh-purity europium oxide production technology has the advantages that investment is small, the equipment requirement is low, operation acid-base consumption is low, acid-base consumption can be lowered, the rare earth pressure tank amount is effectively lowered, and the product quality stability is improved.

The invention discloses a preparation method and system for silver zinc oxide composite powder. The preparation method comprises the following steps of: separately weighing a silver raw material and azinc raw material in proportion, dissolving the raw materials to prepare a precursor solution containing silver nitrate and zinc nitrate, performing atomizing treatment on the precursor solution to obtain 0.01-100[mu]m precursor fog drops, and thermally decomposing the precursor fog drops at a temperature being 450-1150 DEG C to obtain the silver oxide composite powder. The system comprises an atomizing device, a thermal treatment device and a cyclone collecting device. According to the method disclosed by the invention, a proper amount of C1-C4 alcohols is added while the precursor solutionis prepared, and sphericity degree of the silver zinc oxide composite powder can be effectively controlled; a proper amount of ammonia water is added, so that the silver zinc oxide composite powder ofa hollow structure can be prepared; and the cyclone collecting device is utilized for effectively grading powder of different grain sizes, the process design is scientific, the process is continuous,the equipment structure is reasonable, raw materials are easily available and are cheap, phases of reaction products are controllable, purity is high, the grain sizes of the particles are controllable, large-scale mass production can be realized, and the application prospect is wide.

The invention relates to rock sugar in the food field, in particular to a polycrystal stick rock sugar with filling and a production method. At present, people directly paste petals of rare medicinal herbs such as saffron crocuses and roses on the surface of rock sugar and then sell the rock sugar on the market, but the petals fall off or become smashed easily in the rock sugar packaging or carrying or using process. Existing polycrystal rock sugar is obtained through crystallization with a cotton thread as the center, and people eat the rock sugar by grasping the rock sugar with hand, which is neither convenient nor sanitary; selection of sugar melting processes, crystallization temperature and the like is not accurate, and the crystallized rock sugar is large and not uniform. The rock sugar comprises a small stick, polycrystal rock sugar granules, a congealed glue layer and petals, wherein the congealed glue layer is pasted on the small stick, the petals are pasted on the surface of the congealed glue layer, and the polycrystal rock sugar granules adhering together are crystallized around the congealed glue layer and the petals. The process design is scientific and reasonable, the rock sugar has various nutritional properties of rare medicinal herbs such as saffron crocuses, roses and senecio cineraria, material waste is avoided, crystallized blocks are small and uniform, and the production specification reaches uniform standards.

The invention provides a comprehensive recovery process for a glyphosate mother liquor. The process includes subjecting the glyphosate mother liquor to concentration and triethylamine hydrochloride precipitation; removing the triethylamine hydrochloride precipitate to obtain a glyphosate mother liquor concentrate A; adding triethylamine and carbonate (or bicarbonate) to layer the solution; extracting triethylamine and hydrochloride from a solution containing the triethylamine hydrochloride; converting the triethylamine hydrochloride into triethylamine; then treating a salt solution containingorganophosphorus to obtain a corresponding dibasic biphosphate or an aqueous glyphosate solution. The process is scientific and reasonable, achieves high-efficiency recovery of triethylamine, can obtain a plurality of by-products without waste liquid and solid waste, greatly reduces the treatment cost for the glyphosate mother liquor, and has obvious economic and environmental benefits. The process solves the difficult problem that the glyphosate mother liquor cannot be completely treated, which hinders development of the glyphosate industry, and the process achieves comprehensive recovery ofthe glyphosate mother liquor and is suitable for large-scale industrial production.

The invention relates to a preparation technology of a health tea rock sugar. The invention has the main technology steps: (1) the preparation of tea-coloured crystal; (2) the preparation of white granulated sugar water; (2) the mixing dissolving; (4) the formation of finished products. The technology design of the invention is scientific and reasonable; the prepared health tea rock sugar has all nutritional properties of tea and rock sugar, and does not destroy the self-physical properties of the tea and the rock sugar; the finished products of the tea rock sugar have glittering and translucent appearance, beautiful color, good taste, high nutritional taste and convenient edibility. The invention has high production efficiency, opens up the new field of the tea industry and the rock sugar industry and is very suitable for the modern industrial production.

The invention provides a method of extracting silica gel from high-alumina fly ash. The method comprises the following steps: 1) mixing the high-alumina fly ash with an aqueous solution containing sodium sulfate and aluminum sulfate to prepare raw material slurry; 2) calcining the raw material slurry to prepare a clinker; 3) carrying out acid dissolution on the clinker, filtering and washing the dissolved product and collecting a dissolving liquid; and 4) heating and filtering the dissolving liquid to obtain a filter cake, and drying the filter cake to obtain the silica gel. The method provided by the invention provides a method for extracting silica gel from high-alumina fly ash, which is easy to operate, fast in reaction speed and excellent in quality.

The invention relates to a preparation method and a use method of a plant protective agent, and belongs to the technical field of plant protective reagents. The plant protective agent is prepared by taking streptomyces lydicus, cane sugar, yeast extract, magnesium sulfate, monopotassium phosphate and manganese chloride as main raw materials. The streptomyces lydicus plant protective agent is prepared by taking streptomyces lydicus strain fermentation liquor, confirming that the nutrient cell concentration of each milliliter of the fermentation liquor is over 10<^>7 cfu / ml, inoculating the fermentation liquor to cooked rice serving as a main carrier, carrying out constant-temperature culture for 48 hours, and drying moisture to be below 10 percent at the low temperature of 40 DEG C to obtain the streptomyces lydicus plant protective agent. The preparation method of the plant protective agent is scientific and reasonable in process design, low in preparation cost, simple in process, easy to control and suitable for popularization and application.

The invention relates to a kitchen sewage treatment method. The kitchen sewage treatment method comprises stirring crushing treatment, sewage exposure under sun, first-order biodegradation treatment, second-order biodegradation treatment and third-order biodegradation treatment, and the above five processes are circulated. The kitchen sewage treatment method has a scientific and reasonable process design, a low treatment cost, a short period, simple equipment processes and good operationality, is very suitable for centralized treatment on small-scale kitchen waste produced by newly built residential districts and high-grade restaurants and hotels, utilizes constructed wetland characteristics, and realizes effective treatment on sewage. The device used by the method is prepared from easily available materials, can be assembled simply, has short whole cycle time, has a small land occupation area, is convenient for treatment, can be operated easily and has a good ornamental value.

The invention discloses a pretreatment method of a cunninghamia lanceolata floor board material. The method comprises the following steps of S1, performing oil treatment on the cunninghamia lanceolatafloor board material; soaking the cunninghamia lanceolata floor board material into plant oil; S2, taking out the soaked cunninghamia lanceolata floor board material; performing drying treatment; S3,performing secondary oil treatment on the cunninghamia lanceolata floor board material dried in the step S2; soaking the cunninghamia lanceolata floor board material treated in the step S2 into the plant oil again; S4, performing still standing on the cunninghamia lanceolata floor board material treated in the step S3 under the vacuum condition; S5, putting bamboo sheets obtained in the step S4 into ethanol; S6, putting the cunninghamia lanceolata floor board material for 5 to 10h in the environment being 40 to 50 DEG C at the pressure being 1.2 to 1.5MPa; S7, drying the cunninghamia lanceolata floor board material treated in the step S6; ensuring the moisture content being 2 to 3 percent. The pretreatment method of the cunninghamia lanceolata floor board material disclosed by the invention has the advantages that the process design is scientific and reasonable; according to the self performance characteristics of the cunninghamia lanceolata, the scientific method is used for modifying the cunninghamia lanceolata floor board material; the cunninghamia lanceolata is enabled to have good performance; cracking and deformation cannot occur; the stability of the cunninghamia lanceolatafloor board material is greatly improved.

A deep purifying method for slightly contaminated waste water is characterized by comprising the following treating steps: (1) biochemically treated chemical waste water enters an aeration bioreactor to immerse a filling material in the aeration bioreactor, flocculating agents are added into and fully mixed with outlet water of the aeration bioreactor to obtain a mixture I, and the mixture I enters a sand filter, wherein the flocculating agents are poly-aluminum ferrous chloride and poly-acrylamide with the adding quantities of 20 to 50 mg / l and 2 to 4 mg / l respectively; the chemical waste water contains 120 mg / l or less of COD, 20 mg / l or less of NH3-N, and 50 mg / l or less of suspended matters; (2) outlet water of the sand filter is mixed with ozone to obtain a mixture II, and the mixture II enters a biological activated carbon tower and stays in the biological activated carbon tower for 10 to 15 minutes, wherein the quantity of ozone is 5 to 10 mg / l; (3) water oxidized in the biological activated carbon tower sequentially enters two multi-media filters which are connected in series for filtration; (4) water filtered in the step (3) enters a compound filter for filtration, wherein the outlet water of the compound filter meets the standard of recycle water replenishing; (5) water filtered in the step (4) enters a micro-filter for filtration, so as to achieve the standard of desalted water replenishing.