30results about How to "Catalytic decomposition" patented technology

The invention relates to a silicon dioxide modified activated carbon which is prepared from the following raw materials in parts by weight: 90-100 parts of activated carbon, 20-25 parts of silicon dioxide, 5-7 parts of alum, 7-9 parts of zeolite powder, 4-6 parts of nano kaolin, 4-6 parts of CuSO4, 6-8 parts of Fe(NO3)2, 3-5 parts of Blumea oil, 4-5 parts of modified kieselguhr and right amount of water. By modifying the activated carbon with silicon dioxide, the activated carbon has the advantages of favorable adsorption action, low cost and no toxicity, and can be easily regenerated; the added zeolite powder and nano kaolin can catalyze the decomposition of organic substances, resist bacteria, remove odor, absorb moisture and prevent mold; the Blumea oil can shed perfume, and has a protective action on the patients with asthma; and the alum, CuSO4 and Fe(NO3)2 can implement disinfection and purify water. The activated carbon has the advantages of simple technique, lower cost and favorable development prospects.

The invention relates to a modified straw wood charcoal adsorbent which is prepared from the following raw materials in parts by weight: 110-120 parts of straw wood charcoal, 8-10 parts of zeolite powder, 7-9 parts of medical stone powder, 7-9 parts of acrylamide, 6-9 parts of kieselguhr, 16-20 parts of citric acid, 3-4 parts of EDTA (ethylene diamine tetraacetic acid), 4-6 parts of sodium tripolyphosphate, 4-5 parts of modified kieselguhr and right amount of water. The zeolite, medical stone, kieselguhr and other rock powders used for modification can enhance the adsorptivity, implement microbial resistance, deodorization, moisture absorption, mold prevention and desulfurization, and catalyze the decomposition of organic substances; the acrylamide can flocculate pollutants in water; by using the straw wood charcoal as the substrate, the adsorbent has the advantages of developed pores, high adsorption capacity and low cost, and is suitable for industrial production; and the adsorbent is suitable for daily air and water purification, and also suitable for treating industrial wastewater and waste gas.

The invention relates to a preparation method of a yttrium zirconate ceramic glaze material having a photocatalytic function. The preparation method comprises the following steps: preparing quartz, potash feldspar, albite, borax, Y2O3, Suzhou clay and lithium carbonate, keeping the temperature at 1270-1290 DEG C for 20-40 minutes, taking out, pouring into water, quenching to prepare a fusion cake, and grinding the fusion cake to obtain a material A; preparing the material A, Y2O3, ZrO2 and Suzhou clay, and grinding to obtain a material B; adding the material B and dispersing agent into water, and uniformly stirring and mixing to prepare a glaze slip; and applying the glaze slip to the surface of ceramics in a glaze spray manner, and firing to obtain the yttrium zirconate ceramic glaze material having a photocatalytic function. According to the invention, the ceramic glaze is prepared through a firing process and does not need coating, so that the prepared functional ceramic glaze material can be tightly combined with a ceramic matrix; and the photocatalyst yttrium zirconate generated in the sintering process of Y2O3 and ZrO2 is uniformly distributed in the glaze material, thereby avoiding influencing the aesthetic property of the glaze material due to a rainbow effect.

The invention discloses an oyster shell modified activated carbon desulfurizing agent. The oyster shell modified activated carbon desulfurizing agent is prepared from the following raw materials in parts by weight: 120-130 parts of activated carbon, 2-4 parts of titanium tetrachloride, 2-3 parts of calcium citrate, 30-35 parts of oyster shell, 5-7 parts of aluminum oxide, 4-6 parts of zinc oxide, 10-15 parts of bentonite, 1-2 parts of pine needle oil, 2-4 parts of ascorbic acid, 4-5 parts of modified diatomite and a suitable amount of water. By virtue of high-temperature carbonization of the oyster shell, the oyster shell modified activated carbon desulfurizing agent disclosed by the invention has a shape with a developed pore structure and a large specific surface area, has the capability of adsorbing various solutes and free gases, is rich in metal oxides such as calcium oxide and can e used for realizing effective desulfuration; meanwhile the oyster shell modified activated carbon desulfurizing agent is added with aluminum oxide and zinc oxide to realize effective desulfuration and catalyze degradation of organics; the bentonite used can realize antibacterial property, deodorization, moisture absorption, catalysis and caking property, so the activated carbon is less in possibility of being disintegrated; pine needle oil is added to emit sweet smell to fresh the brain. The activated carbon of the oyster shell modified activated carbon desulfurizing agent disclosed by the invention is suitable for industrial desulfuration and automobile exhaust desulfuration, daily air purification and water purification, and has wide application and quite good prospect.

A composition for use in the manufacture of compound semiconductors is provided. Also provided are methods for producing compound semiconductors using these compositions.

The invention relates to a modified activated carbon high-concentration desulfurizer which is prepared from the following raw materials in parts by weight: 110-120 parts of activated carbon, 10-15 parts of potassium carbonate, 2-4 parts of zinc nitrate, 6-8 parts of aluminum oxide, 10-15 parts of zinc oxide, 7-9 parts of zeolite, 11-13 parts of malic acid, 8-10 parts of peach gum powder, 10-13 parts of lactic acid, 4-5 parts of modified kieselguhr and right amount of water. By using the potassium carbonate, aluminum oxide and zinc oxide, the desulfurizer can implement high-efficiency desulfurization and catalyze decomposition of organic substances; the zeolite can have the effects of microbial resistance, deodorization, moisture absorption, catalysis and cohesiveness, so that the activated carbon can not be easily disintegrated; the peach gum powder is added, so that the activated carbon can not be easily disintegrated, and is safe and environment-friendly; and the desulfurizer is suitable for industrial high-concentration desulfurization, automobile exhaust desulfurization and acidic material removal in water, can also he used for routine air purification, and thus, has favorable application prospects.

The invention discloses an eco-friendly composite material. The eco-friendly composite material mainly comprises 40-60 parts by weight of PVC, 10-60 parts by weight of calcium powder, 0.1-4 parts by weight of carbon powder, 1.5-4 parts by weight of a stabilizing agent, 1-5 parts by weight of negative oxygen ion powder and 1-15 parts by weight of plant fiber powder. The eco-friendly composite material is environmentally friendly, can release negative oxygen ions, can improve air quality and can catalytically decompose poisonous and harmful gas and bacteria. Through use of degradable materials as main materials, the eco-friendly composite material can be easily decomposed.

The invention provides an ultrafiltration membrane surface modifier. By mixing diatomaceous earth with titanium dioxide, a mixture is added to an yttrium sulfate solution and mixed with chlorinated paraffin, and then calcining is performed; modification of diatomaceous earth is performed by yttrium sulfatecan to increase internal channels of diatomaceous earth and increase the active center of diatomaceous earth; the decomposition of added chlorinated paraffin during calcining can further increase the channels of the diatomaceous earth, and the performance of the ultrafiltration membrane is enhanced; the surface modification of the ultrafiltration membrane is performed by the modifier to form a coating on the surface of the ultrafiltration membrane, direct contact between the pollutant andthe ultrafiltration membrane is reduced, the pollution of the ultrafiltration membrane is reduced, and anti-pollution ability of the ultrafiltration membrane is increased; and after the ultrafiltration membrane is modified by the ultrafiltration membrane surface modifier, the removal rate of chemical oxygen demand, total organic carbon and ammonia nitrogen in sewage is improved compared with an ultrafiltration membrane without modification, and meanwhile, the surface modifier further contains titanium dioxide, and can catalyze the decomposition and degradation of the pollutants.

The invention relates to a preparation method of an electrochemical luminescence immunosensor for detecting CYFRA 21-1 by using a copper-doped Tb-based MOF. Specifically, The copper-doped Tb-based MOFis adopted as a sensing interface, and the copper-doped Tb-based MOF has a large specific surface area and a stable electrochemical luminescence signal. The AuPdPt nanoflower is compounded with the copper-doped Tb-based MOF, so that the conductivity of the copper-doped Tb-based MOF can be improved, and the noble metal nanoflower has catalytic activity and can further amplify an electrochemical luminescence signal. The linear range of CYFRA 21-1 detection is 0.1 pg. mL<-1>-100 ng. mL<-1>, and the detection limit is 32 fg.mL<-1>.

The invention discloses a phytase organic fertilizer and a preparation method thereof. The preparation method includes following steps: (1) mixing weathered coal at a certain granularity and bentonite according to the mass ratio of 5-8:1 to prepare humified bentonite; (2) adding the commercially-available phytase according to a certain proportion to the humified bentonite to prepare immobilized phytase; and (3) mixing the immobilized phytase with composted monogastric animal dry feces according to the mass ratio of 10-15:100 with stirring uniformly to obtain the phytase organic fertilizer. The preparation method is simple in operation and the phytase organic fertilizer is simple in use. The phytase in the fertilizer can maintain the activity for a long time so that phytic acid in pig manure, poultry manure and human feces can be decomposed to release inorganic phosphorus. The phytase organic fertilizer, when being applied in soil, can increase the activity of the phytase in soil, can promote the organic phosphorus in soil to be converted into inorganic phosphorus and can increase the bio-availability of the organic phosphorus.

The invention provides an anti-aging composition, and relates to the technical field of anti-aging. The anti-aging composition comprises NMN and/or NR. The anti-aging composition provided by the invention has the advantages that the anti-aging composition mainly comprises NMN and/or NR, adjusts a main clock in an organism to a normal state, improves the NAD + level in the organism, maintains the rejuvenation of mitochondria, resists the aging of cells, maintains the regeneration capacity of blood capillaries, prevents and relieves various physiological and pathology processes related to agingin the organism, so that the physiological state tends to be normal young; meanwhile, the muscle state of an organism is also improved, the SIRT1 activity is increased, skeletal muscle oxidative metabolism and energy generation are increased, the endurance and exercise capacity of the organism are improved, sleep is improved, energy resistance and aging resistance are improved, and meanwhile suffering from excessive internal heat is relieved.

A plant enhancer includes a ferrocenyl polymer composition, a polyaryl ether nitrile-carbonyl iron magnetic material, silica nanoparticles, and an amino acid powder.