33results about How to "Expansion of comprehensive utilization channels" patented technology

The invention discloses an unsaturated hydrocarbon hydrogenation catalyst which comprises a carrier, an active component and an additive; the active component is a mixture of nickel oxides and other metal oxides; the additive is at least two out of magnesia oxide, lanthanum oxide and ceria; counted by weight percentage, the unsaturated hydrocarbon hydrogenation catalyst comprises 5-15% of nickel oxides, 1-10% of other metal oxides, 1-10% of additive and remaining quantity of carrier; and the metal oxide is one or more oxides out of molybdenum oxide, cobalt oxide and ferric oxide. The invention also discloses a preparation method and applications of the unsaturated hydrocarbon hydrogenation catalyst. The unsaturated hydrocarbon hydrogenation catalyst has the advantages of high hydrogenation precision, strong side effect resistance, good thermal stability, long service life and the like, can be used for processing tail gas in indirect coal oil production industrial and can be also used for processing unsaturated hydrocarbon in synthesis gas.

The invention provides a twin tower tandem exhaust gas purifying processing combination device which adopts a biomembrane packing tower system utilizing catalytic oxidant cyclically spraying liquid in the front and a biomembrane packing tower system utilizing pH buffering agent cyclically spraying liquid in the rear, which can carry out purifying processing to simultaneously remove the SQ2 and the NOx in the exhaust gas and to obtain by-products, namely, the utilizable sulphuric acid and nitrating acid products. The invention is characterized in that desulphuricants and denitrifier complex bacteria with the performance of simultaneously removing SQ2 and NOx in the exhaust gas under the conditions of liquid-phase catalyzed oxidation and pH acid environment can be obtained by screening and culturing and domesticating, and the composite bacteria biofilm to manufacture the biomembrane packing tower which is arranged in the tandem front end and is mainly used for removing SQ2; and the biomembrane packing tower which is mainly used for removing NOx in the rear is manufactured by adopting the denitrifier complex bacteria biofilm with the performance of removing NOx in the exhaust gas under the condition of pH neutral environment through screening and culturing and domesticating.

The invention discloses a phosphogypsum-based thermal insulating mortar containing expanded perlite, and belongs to the solid waste comprehensive utilization and building material technical fields. The thermal insulating mortar includes expanded perlite and a material A which is prepared from phosphogypsum, wherein the mass ratio is 1:8-17. The expanded perlite are used in large amounts, and the weight specific gravity of the expanded perlite is far greater than that of the material A prepared from the phosphogypsum, so that the phosphogypsum-based thermal insulating mortar has the characteristics of low thermal conductivity, good thermal insulating and sound insulating effects, energy saving, low production cost, and no toxicity and no pollution, and is convenient to achieve thermal isolation and sound insulation of the construction; and at the same time, the phosphogypsum-based thermal insulating mortar is subjected to product testing according to ''thermal insulating mortar for buildings'' (GB / T20473-2006) standards; and results comprise the packing density is less than 350 kg / m<3>, the compressive strength is greater than 0.4 MPa, and the radioactivity specific activity degree simultaneously meets related indicator requirements that an inner illumination index and an outer illumination index are both less than 1.0.

The invention provides oleanolic acid and a method for preparing the oleanolic acid by utilizing Chinese red dates. The method comprises the following steps: denucleating the Chinese red dates, and smashing, thus raw material particles are obtained, wherein the Chinese red dates are imperfect and dry; adding a solvent into the raw material particles to obtain a solution A, wherein the solvent is 80-95% ethyl alcohol, and the mass ratio of the solvent to the raw material particles is (10-18):1; carrying out microwave heating and leaching on the solution A, wherein the microwave power is 70-350W, and the microwave heating time is 90-150 seconds; filtering products after the microwave heating and leaching are carried out, thus a solution B is obtained; concentrating the solution B, removing the solvent, and adding distilled water, thus a solution C is obtained; adding a flocculating agent into the solution C, thus a sediment D is produced; and dissolving the sediment D with absolute ethyl alcohol, filtering, removing undissolved substances, concentrating, and removing the absolute ethyl alcohol, thus the oleanolic acid is obtained. In the invention, a microwave-assisted extraction method is adopted, and the process can be simplified; and, imperfect dry Chinese red dates are taken as raw materials, the raw materials are available, and the cost is low.

The invention relates to the technical field of pavement bricks, in particular to a pavement brick prepared based on domestic waste incineration fly ash and a preparation method thereof. The pavement bricks, measured in parts by mass, include: 540-720 parts of slag and 45 parts of calcium carbide slag 90 parts, 180-450 parts of household waste incineration fly ash and 2600-2750 parts of sand. The pavement brick prepared by the invention not only further reduces the floor space of domestic waste incineration fly ash, calcium carbide slag and slag, but also alleviates the harm to the environment and organisms, and through the rational design of the formula, the interaction between the raw materials Synergistic effect, the prepared pavement brick has good appearance quality and high compressive strength, and at the same time, the present invention does not need sintering, saves energy, has simple method, low cost and good economic benefit, especially in the aspect of heavy metal solidification, in harsh Under the conditions, the leaching concentration of heavy metals still meets the national standard. While preparing pavement bricks with excellent performance, industrial solid waste and hazardous waste are fully utilized to ensure the full utilization of resources.

The invention discloses a preparation method of tea feed. The method includes the following steps that firstly, tea leaves are soaked in water, the tea leaves are expanded after being taken out, and the expanded tea leaves are prepared; secondly, animal oil and vegetable oil are taken and mixed to prepare compounded grease, emulsifiers, water, zinc lactate, lactic acid or citric acid, sucrose or glucose and sodium cyclamate are added into the compounded grease and are evenly mixed, finally, homogeneous processing is performed, and emulsified fat pulp is prepared; thirdly, the emulsified fat pulp is sprayed to the expanded tea leaves, the tea feed is obtained after even mixing, or the tea feed is obtained through drying after even mixing. The technology is simple and implementation is easy. The prepared tea feed is rich in emulsified fat pulp, tea polyphenol, lactic acid, zinc lactate and other active substances, and the tea feed has the functions of improving immunity and ingestion, promoting digestion, stimulating growth, reducing product cholesterol, improving meat quality of bred animals and the like. The prepared tea feed has the oil oxidization resistance function and can decrease the oil oxidization speed in summer.

The invention relates to a swine hemoglobin enzymolysis and decoloration technology. The technology comprises the following steps of: performing centrifugal separation on swine blood to form blood corpuscles, adding water and quickly stirring; regulating pH value, and heating for boiling; adding a composite protease preparation, and performing enzymolysis at certain temperatures; performing enzyme inactivation after the enzymolysis, filtering, and performing spray drying on supernate to obtain gray white hemoglobin polypeptide; and drying precipitates to obtain a heme coarse product. By the technical scheme provided by the invention, hemoglobin polypeptide powder and the heme coarse product are obtained, wherein the hemoglobin polypeptide is a good animal protein source and is used as a feed additive to improve the digestion and absorption rates of protein; heme can be used as a chromogenic reagent in food industry and can be used as a pharmaceutical raw material in medical industry; and the hemoglobin polypeptide and the heme are products with high added values. The technical scheme has important significance of improving processing value-added capability of animal blood products, broadening comprehensive utilization ways, and promoting the technology upgrading of the whole industry.

The invention discloses a method for preparing fish cream by using low-value red meat fish. The method comprises the following steps of pretreating raw material fish; collecting fish meat and rinsing with ice water; continuously treating the rinsed fish meat by sequentially using peroxidase and a degreasing enzyme; ultrasonically extracting and centrifugally filtering to obtain a primary fish cream product; adding auxiliary materials such as edible salt, newtol, white sugar and composite phosphate into the primary fish cream product to obtain a finished fish cream product. According to the method disclosed by the invention, an enzyme engineering technology is adopted and combined with ultrasonic treatment to effectively decolorize and degrease the low-value red meat fish so as to effectively dissolve out and remove pigments and grease, so that the technical difficulties of preparing the fish cream by using the low-value red meat fish can be solved, fish cream suitable for production of a minced fish product can be researched and developed, and the comprehensive utilization methods of the low-value red meat fish are widened.

A comprehensive utilization method of residue from municipal solid waste incineration generating is provided. A brick-making method is as below: stirring residue, stone chips and cement to form a mixture, distributing the mixture to a mold by a distributing machine, to pre-molding the mixture by a hydraulic vibration machine to form preformed bricks, distributing a surface material mixed from white cement, sand and a pigment on the surfaces of the preformed bricks, and pressing the mixed material and surface material by the hydraulic vibration machine to obtain bricks. A method for producing a non-reactive cement mixed material is as below: 1) drying: drying the residue from municipal solid waste incineration generating by a dryer; 2) iron removal: removing iron in the dried residue by a de-ironing separator; 3) rolling: rolling the residue after iron removal by a rolling machine; and 4) grinding: grinding the residue after rolling by a grinding machine. The present invention has the following beneficial effects of: 1, expanding the comprehensive utilization ways of residue from municipal solid waste incineration generating; 2, solving the quality problem caused by high moisture content in non-reactive mixed material in brick-making or cement production, and 3, saving energy and reducing emission.