311results about How to "Solve the hazard" patented technology

The invention relates to a green bioactive organic fertilizer, which effectively solves the problems of soil hardening, environmental pollution, and harm from residual chemical substances of grains, vegetables and fruits to human bodies. The solved technical scheme is that the green bioactive organic fertilizer is prepared by taking sludge, waste powder, poultry and animal feces, straw powder, residues, feather powder, amino acid original powder, phosphoesterases complex, a first group of complex bacteria, and a second group of complex bacteria as raw materials; uniformly mixing the sludge, the waste powder, the poultry and animal feces, the straw powder, the phosphoesterases complex and the first group of complex bacteria; stacking and covering the mixture with a sack for performing a biogenic reaction, and keeping a reaction product at the temperature of 50 to 55 DEG C for 2 days; adding the residues, the feather powder, the amino acid original powder into the reaction product, uniformly mixing the mixture for performing a secondary reaction, and keeping a reaction product at the temperature of 50 to 55 DEG C for 7 to 10 days; and adding the second complex bacteria into the latest reaction product, uniformly mixing, palletizing, checking and packaging the mixture. The green bioactive organic fertilizer has the advantages of scientific formulation, simple preparation method, good effect, no pollution and no harm to human bodies.

The present invention is sealing, damping and silencing material comprising metal sheet and coating. The coating consists of rubber, stuffing and compound ingredient. The compound ingredient includes sulfur, zinc oxide, stabilizer, etc.; the rubber is one or two selected from fluororubber, NBR, SBR, etc.; and the stuffing may be graphite, carbon black, kaolin, etc. The sealing, damping and silencing material may be machined into sealing washer in required shape, can resist the corrosion of various gas and liquid medium, operate in the temperature up to 400 deg.c and pressure up to 120 kg/sq cm, and possesses reliable sealing.

The invention relates to a formaldehyde-free environment-friendly vegetable protein modified adhesive, which aims to solve the problem that the prior urea-formaldehyde adhesive, phenolic aldehyde adhesive and melamine aldehyde adhesive release formaldehyde and cause environmental hazard and pollution, etc. The compositions in portion by weight of the modified adhesive are: 30 to 50 portions of natural plant dregs, 5 to 12 portions of basic material, 5 to 10 portions of calcium hydroxide emulsion, 6 to 15 portions of urea, 4 to 10 portions of alkyl sodium sulfate, 2 to 5 portions of 10 to 20 percent of inorganic acid and 90 to 120 portions of deionized water. The invention takes macromolecular proteins in natural plant soybean dregs, peanut dregs, rapeseed dregs, cottonseed dregs, linseed dregs and sunflower seed dregs as raw materials so as to synthesize a new-generation formaldehyde-free environment-friendly vegetable protein modified adhesive through chemical modification. The formaldehyde-free environment-friendly vegetable protein modified adhesive has the characteristics of uniform and stable product, high adhesion strength, hydrolysis resistance and nontoxicity, etc.; moreover, the performance and the price of the modified adhesive are suitable for wood adhesion and for making artificial fiber boards such as plywood, shaving board and fiber board.

The invention discloses a bloating processing method for eel. The method is characterized in that: the method comprises the following steps: (1) seasoning and preservation: preparing a salt preserving liquid through edible salt and water, and placing the eel into the salt preserving liquid for seasoning and preservation after cleaning the eel raw material; (2) impregnation smoking: immersing the eel in a smoking liquid for smoking after cleaning the obtained eel through the step (1); (3) drying: drying the obtained eel through the step (2) in the air; (4) spray smoking: carrying out the spray smoking on the obtained eel through the step (3); and (5) cooling: cooling down the eel undergoing the spray smoking. The bloated eel has a good taste and a lower residual quantity of benzopyrene. In addition, the residual quantity of benzopyrene in the smoked eel is lower than 5mu g/k1g , which is lower than the allowable limit of benzopyrene in the smoked eel regulated by Chinese national standard GB7104-94 the Sanitary Standard for the Limited Quantity of Benzopyrene in Food. Therefore, the edibility safety of the smoked eel product is guaranteed.

The invention discloses vermicompost organic compound fertilizer capable of being used for ryegrass, and a preparation method thereof, and belongs to a manner of cycle use of agricultural wastes. The organic compound fertilizer comprises, by weight, 6-9 parts of the vermicompost and 1-2 parts of inorganic fertilizer, wherein the inorganic fertilizer comprises, by weight, 3.5-7 parts of urea, 4.5-9 parts of phosphorus superphosphate and 2-4 parts of potassium chloride. The vermicompost organic compound fertilizer directly provides a reasonable use path of the vermicompost organic compound fertilizer, and indirectly solves the harmful problems of livestock and poultry breeding organic wastes such as pig manure and goat manure to the environment. The compound fertilizer is reasonable in organic and inorganic proportions, has long-term fertilizer capacity of organic fertilizer and short-term fertilizer capacity of inorganic fertilizer at the same time. By applying enough base fertilizer once during a planting process of the ryegrass and applying the compound fertilizer once in a harvest middle stage, nutritional requirements of the ryegrass during the whole production period can be met. Fertilizer cost is reduced; a topdressing stage during the planting process of the ryegrass is omitted, so that production and management cost for the ryegrass can be saved.

The invention relates to a compound felt produced by waste hair, waste nylon and compound fiber, characterized in that it is needled by waste hair, waste nylon and compound fiber. The method is that 10%-80% waste hair by wt, 10%-50% waste nylon by wt and 10%-40% compound fiber by wt are mixed; compound felt with the density of 50g/m ²-500g/m² is produced by the non-woven technology with loosening, combing, meshing, needling and winding. The invention can take place of sound insulation, heat insulation, anti shock material compounded by waste hair and phenol resin in automobile. The felt compounded by waste hair, waste nylon and compound fiber by mature technology in the invention does not contain formol and odor and can recycle so that the pollution problem to drivers in automobile is solved.

The invention belongs to the field of processing methods of energy-containing materials, in particular to a fertilizer prepared by hydrolysis of bulk propellant powder and/or explosives and a preparation method of the fertilizer. The method disclosed by the invention comprises the following specific steps of: crushing the propellant powder and/or the explosives, then adding an alkaline solution and sodium/potassium humate, reacting in a reaction kettle, and supplementing P2O5, H3PO4, HCl, HNO3 or of K2SO4, Na2SO4, KNO3, (NH4)3PO4 or selenium salt according to the content of each element in the solution after the end of the reaction to get the fertilizer. The method disclosed by the invention has the beneficial effects that, by adopting the method, the propellant powder and/or the explosives can be processed for hydrolysis and then further manufactured into the fertilizer which can be utilized by humankind, so that the problem that the propellant powder and/or the explosives can cause harm to the humankind and a survival environment of the humankind can be solved, and the wastes can be turned into useful things and further become the fertilizer with economic value.

The invention relates to PHC pipe pile concrete, characterized by being prepared from the following components: a binding material, a synergist, fine aggregate, coarse aggregate, a water reducer and water, wherein the volume-weight of the concrete is 2400-2600Kg/m<3>, in each cubic meter of concrete, the dosage of the used binding material is 12-22 percent, the dosage of the synergist is 1.0-5 percent, the dosage of the fine aggregate is 22-32 percent, the dosage of the coarse aggregate is 40-52 percent, the mixing amount of the water reducer is 0.2-1.0 percent, and the dosage of the water is 4.0-7.5 percent. By mainly aiming at the defect of the existing PHC pipe pile concrete preparation technology, the invention provides a technology for preparing the concrete by completely replacing natural sand with low-grade machine-made sand, so as to solve the problems that the natural sand resource is scarce, and the low-grade machine-made sand resource is wasted and pollutes the environment.

The invention discloses Na2O-CaO-SiO2 opaque glass, which consists of the following components in percentage by weight: 59 to 70 percent of SiO2, 6.0 to 10 percent of CaO, 16 to 24 percent of Na2O, 1 to 2 percent of Al2O3, 0.5 to 3 percent of K2O, 1 to 3 percent of MgO, 1.0 to 5.0 percent of P2O and 1.0 to 5.0 percent of ZrO. The invention also discloses a method for preparing the opaque glass, which comprises the following steps of: 1) mixing materials, wherein Na2O is replaced by Na2CO3 with equal molar weight and K2O is replaced by K2CO3 with equal molar weight; 2) heating the mixed materials in a furnace to the temperature of between 1,420 and 1,470 DEG C for melting, and keeping the temperature for 2.8 to 3.2 hours; and 3) pouring molten glass obtained in the step 2) into a mould for forming, and naturally and slowly cooling to room temperature to obtain the milky opaque glass.

The invention discloses a preparation method of a water-blocking oxygen-blocking edible film. The method comprises the following steps: adding chitosan which accounts for 0.5-2.0% and 0.03-0.06% of the mass of an acetate solution into the acetate solution respectively, sufficiently hydrating the mixtures to obtain a first chitosan acetate solution and a second chitosan acetate solution; adding corn alcohol soluble protein into an ethanol solution to be sufficiently dissolved to obtain a corn alcohol soluble protein ethanol solution; adding the second chitosan acetate solution into the corn alcohol soluble protein ethanol solution, carrying out water-bath rotary evaporation on the obtained material until the mass of the material is 40%-80% of the original mass, centrifuging the solution and taking liquid supernatant; adding corn oil into the liquid supernatant, shearing and homogenizing the mixture to prepare Pickering emulsion; adding the Pickering emulsion into the first chitosan acetate solution, adding glycerol into the solution, ultrasonically treating and the drying the mixture to obtain the water-blocking oxygen-blocking edible film material. According to the invention, in comparison with a chitosan film, the water-blocking oxygen-blocking capacity of the water-blocking oxygen-blocking edible film is greatly improved, and the water vapor blocking cavity of the water-blocking oxygen-blocking edible film is also greatly improved.

The invention belongs to the technical field of energy-containing material processing, and specifically relates to an energy-containing material safe disposal and resource utilization method, and a special-purposed system for the method. The method comprises the steps that: reaction materials are prepared; feeding is carried out; an energy-removing reaction is carried out; and fertilizer preparation is carried out. Preferably, during the fertilizer preparation process, decomposed microbes are supplemented, such that the capacity for decomposing various elements needed by crops is enhanced, crop absorption and utilization are promoted, and soil fertilizing effect is enhanced. With the method and system, the energy-containing material is processed, such that the problems of environment hazards caused by waste energy-containing material burning and land-filling during a long time are solved. The waste energy-containing materials are centralized and processed, and waste is turned into valuable matters. The waste energy-containing material is concerted into fertilizer, and is used in agricultural production. Therefore, in agricultural production, an environment pollution problem brought by burning and land-filling of the waste energy-containing materials is eliminated, and great economic benefit is brought.

The invention relates to an oyster smoking processing method, which comprises the following steps: selecting oysters; placing the oysters in a pickling solution for seasoning pickling; then drying the oysters; next, transferring the dried oysters into a smoking solution; carrying out spraying smoking by the smoking solution in a gradient temperature rising mode during smoking, wherein the gradient temperature rising mode adopts the following temperature ranges: 40 to 50 DEG C for 20 to 40 min; 60 to 70 DEG C for 10 to 30 min; and 70 to 80 DEG C for 20 to 40 min; and then, packing the oysters after cooling. The oyster products prepared by the processing method have the advantages of dense smoking flavor, proper texture tenderness and stable quality, good appearance of the oyster products can be ensured, phenomena such as deformation, juice loss and the like caused by nonuniform internal and external heating can not occur, and the added value of oyster processing products is also improved.

The invention relates to a composite ceramic fiction material of potassium hexatitanate / sodium hexatitanate whisker belonging to the material technical field, wherein the composite ceramic fiction material comprises 5-20 parts of organic resin, 1-10 parts of rubber powder, 10-40 parts of potassium hexatitanate and sodium hexatitanate whisker, 0-5 parts of aramid fiber, 10-20 parts of graphite and 20-40 parts of filler. The composite ceramic fiction material of the invention doesn't contain asbestos without harming the human body and polluting the environment, which has superiorities in eliminating braking noise and heat degeneracy, improving using life of the product, overcoming adhesive occlusion among friction couples and the like.

The invention relates to a plant acid corrosive organic fertilizer which effectively solves the problems of soil hardening caused by using a plurality chemical fertilizers and harm to people caused by the fertilizers. The technical proposal of the organic fertilizer for solving the problems is that: the organic fertilizer is prepared from materials as follows in proportion by weight: 11 percent to 34 percent of plant acid, 13 percent to 30 percent of compound amino acid, 1 percent to 3 percent of polyamide, 26 percent to 49 percent of plant straws, 3 percent to 15 percent of carbamide, 3 percent to 10 percent of potash feldspar, 3 percent to 13 percent of phosphate ore and 1 percent to 4 percent of propylene oxide, and the total amount is 100 percent. During preparation, the plant acid, the compound amino acid and the plant straws are firstly ground and mixed evenly and the propylene oxide is added into for stirring for reaction for 1.5 hours to 2.5 hours at 18 DEG C to 30 DEG C, when the reaction is carried out completely and gas is given out, the carbamide, the potash feldspar and the phosphate ore are added in turn to stir for reaction for 1.5 hours to 2.5 hours, and finally the polyamide is added into to stir fully for reaction for 1.5 hours to 2.5 hours, and finished products with pH value of 5.5 to 7 are prepared. The organic fertilizer of the invention has simple method, is convenient to use, solves the soil hardening and optimizes the microecological balance in soil, thus being a great creation in the use of agricultural fertilizers.

Desulfurization gypsum sand pulp belongs to construction materials. The desulfurization gypsum sand pulp comprises surface layer painting desulfurization gypsum and bottom layer painting desulfurization gypsum, wherein the surface layer painting desulfurization gypsum comprises 79.6 percent of desulfurization gypsum, 0.35 percent of SC calcium sulphate retarder, 20 percent of coal ash and 0.010 percent of cellulose ether according to weight percentage; the bottom layer painting desulfurization gypsum comprises 79.6 percent of desulfurization gypsum, 0.35 percent of SC calcium sulphate retarder, 20 percent of coal ash, 0.010 percent of cellulose ether and river sand, and the ratio of the mixture of the desulfurization gypsum, the SC calcium sulphate retarder, the coal ash and the cellulose ether to the sand is 1 to 2 according to weight percentage. The desulfurization gypsum sand pulp has the advantages that the desulfurization gypsum sand pulp mainly comprises industrial residue, is suitable for decorative surface plastering to a common clay tile wall, an air-ejecting concrete wall and the like under a dry environment, the desulfurization gypsum sand pulp can be produced in factory, and convenient and fast construction can be achieved. The working performance and the physical and mechanical properties are improved, and radioactivity, hazardous material and corrosion are avoided.

The invention discloses a diethylstilbestrol degradation strain and an application thereof in sewage and animal manure treatment. Serratieae (Serratia sp.) S is preserved at China General Microbiological Culture Collection Center on August 26, 2014, wherein the strain preservation number is CGMCC 1.12941. The invention also discloses an application of the serratieae S and a fungicide of the serratieae S in degradation of estrogen, especially degradation of diethylstilbestrol. The serratieae S is obtained in a screening manner, the degradation rate on DES (diethylstilbestrol) of which the initial concentration is 50mg L<-1> can reach over 80% after an immobilized bacteria agent which is prepared from the strain is subjected to shake-flask culture in a laboratory for 7d, the immobilized bacteria agent is directly applied to DES-polluted water and animal manure, and the DES residue within a short period of time is reduced by over 90%, so that the problem of hazards of diethylstilbestrol DES to the water environment, animal manure and human health is solved.