32results about How to "Increase the adsorption specific surface area" patented technology

The invention discloses a perforated plate fresh air introducing and purifying device and belongs to the technical field of air energy recycling and high efficiency energy saving in ventilation equipment. The device comprises a perforated plate purifying, energy recycling and heating core, a fresh air machine, an exhaust fan and an electric cabinet, wherein the size of the perforated plate purifying, energy recycling and heating core is 160mm*160mm to 350mm*350mm; the perforated plate purifying, energy recycling and heating core comprises 45 to 2400 pieces of perforated plate semi-closed conductive combinations and corrugated pieces; each perforated plate semi-closed conductive combination comprises a perforated plate, conductive bands, purifying copper sheets A and B, and heating copper sheets A and B; a square hole shaped fresh air channel with the side length being 1 to 20mm is formed in the perforated plate; the conductive bands are printed or sprayed on the two outer surfaces of the perforated plate; the purifying copper sheets A and B and the heating copper sheets A and B are respectively adhered to the two ends of the conductive bands on the two outer surfaces of the perforated plate; the perforated plate semi-closed conductive combinations and the corrugated pieces form 90 degrees and are assembled alternately and crosswise. The perforated plate fresh air introducing and purifying device has the benefits that new pollutant, such as ozone and the like, is not produced, energy can be efficiently recycled, condensation cannot be produced when the device is used in cold regions, and meanwhile the purification efficiency is high.

The invention relates to a preparation method of an ecological security flocculating agent for effectively removing phosphorus and algae in a eutrophic water body. The preparation method comprises the following steps of preparing materials, uniformly mixing original clay with water to obtain clay suspension, adjusting the basicity to 50-90% by dropping dilute acid into the clay suspension, uniformly mixing aluminium polychlorid powder with water to prepare aluminium polychlorid solution, adjusting the basicity to 50-90% by dropping dilute acid or dilute alkali into the aluminium polychlorid solution, pouring the aluminium polychlorid solution into the clay suspension, standing and curing at 50-80 DEG C to obtain curing solution, drying the curing solution at 50-80 DEG C, and crushing and sieving to obtain the flocculating agent. According to the invention, the removal rate of total phosphorus is 93% or more; the removal rate of CODCr is 53% or more; the removal rate of total nitrogen is also above 3%; the removal rate of water-blooming cyanobacteria is 96% or more; the removal rate of algal toxin MC-LR is 7% or more; and the risk in rapidly releasing algal toxin is not caused.

The invention discloses a polyaniline modified bentonite nano-microsphere adsorption material. The material is prepared from the following raw materials in percentage by weight: 10 to 20% of aniline monomer intercalated organic bentonite, 60 to 80% of distilled water, 9 to 15% of sodium hydroxide, 0.02% to 0.06% of an initiator, and 0.3% to 0.5% of an emulsifier. The invention further provides a method for manufacturing the polyaniline modified bentonite nano-microsphere adsorption material. The polyaniline modified bentonite nano-microsphere adsorption material which is low in cost, high in compatibility, environment-friendly, and easy in solid-liquid separation and has nanometer size effects is prepared and synthesized through specific formula design and process parameter selection, and further larger in specific surface area and smaller in nanometer scale and has the functional properties of synergistically adsorbing double-pollution components of metal ions and organic matters in wastewater.

The invention belongs to the technical field of hardware, relates to the technical field of filtering cotton and particularly relates to air filtering cotton containing diatomite and with strong adsorptivity. The air filtering cotton comprises a filtering cotton body, wherein the filtering cotton body comprises an air inlet surface layer and an air outlet surface layer as well as a flame-retardantnet layer, a first synthetic fiber, an active-carbon fiber layer, a second synthetic fiber layer and an antistatic layer which are arranged between the air inlet surface layer and the air outlet surface layer, and meanwhile, by arrangement of the multilayer composite structure, the structural strength of the filtering cotton is also improved; the fiber layers are synthesized by diatomite, so thatPM2.5 can be sieved from the synthesized fiber layers to play a role in surface filtration, harmful polar molecules in the harmful gases suspending in the air also can be intercepted in the surfacesand ducts of the synthesized fiber layers so as to achieve gas-solid separation, purify the air, enlarge the specific surface area of absorption and improve the purifying and filtering effect and theabsorbing performance; two layers of synthesized fiber layers are arranged and are different in density, so that the filtering and purifying effects and the absorbing performance are further improved.

The invention provides a fermented carbonization bodinier elsholtzia herb particle as well as a preparation method and application thereof. The particle is prepared by a method with the following steps of (1) preparing tobacco soil Dyella L4-6 bacterial agents; (2) fermenting bodinier elsholtzia herb by using the tobacco soil Dyella L4-6 bacterial agents to obtain fermented bodinier elsholtzia herb; (3) performing carbonization treatment on the bodinier elsholtzia herb to obtain fermented carbonization bodinier elsholtzia herb; (4) putting the fermented bodinier elsholtzia herb powder onto a fluidized bed to be dried; spraying bonding agents for bonding powder into particles; continuously performing drying to obtain the fermented carbonization bodinier elsholtzia herb particles. After theparticle is subjected to fermentation treatment and is applied to cigarettes, special aroma in harmonious with the cigarette smoke gas can be generated; the cigarette aroma is enriched; the cigarettesmoking flavor is improved; the pharmacological effects of relieving sore throat and the like are also realized. Through carbonization treatment, the adsorption specific surface area inside the bodinier elsholtzia herb can be obviously increased; the adsorption effect on the harmful substances in the cigarette smoke gas can be enhanced; meanwhile, the special parched perfume is given to the plantparticles.

The invention provides a water-repellent oil-absorbing three-dimensional porous cotton fabric preparation method, which includes alternately stacking terry fabrics and three-foundation cotton fabricsand then connecting the terry fabrics and the three-dimensional cotton fabrics through connecting yarns, or interweaving warp yarns and weft yarns through binding yarns by a three-dimensional loom, soaking the yarns in a water-repellent oil-absorbing finishing agent, and drying to obtain a water-repellent oil-absorbing three-dimensional porous cotton fabric. The water-repellent oil-absorbing three-dimensional porous cotton fabric prepared by the method has a loose porous structure and a large adsorption specific surface area, has better oil spill adsorption and release capability after water-repellent and oil-absorbing finishing, meanwhile, the fabric has good mechanical properties, can be recycled for multiple times, and can adsorb organic liquids about 20 times of the weight of the fabric in less than one minute. Recycled cotton and the fabric thereof can further be used as cotton fabric with a three foundation structure, the fabric has the advantages of low cost, good performance and rich material sources, after use, the fabric can be used for combustion power generation, and has the advantages of high heat, high enthalpy, secondary utilization without ash and the like, and thusthe industry's demands for new oil spill adsorption materials are met.

The invention provides a leaf vegetable day-and-night filtering diffraction induced resistance, bacteriostasis and metabolism-regulating fresh-keeping film; a preservative film inner layer is preparedby the following steps: putting a mixture into a three-layer co-extrusion film blowing machine for co-extrusion plasticizing to form a film, uniformly mixing 65% of polypropylene plastic, 2% of ZnSO4, 8% of walnut peel carbon, 20% of nano CaCO3 and 4% of nano TiO2, granulating, blowing, and controlling the processing temperature at 148-154 DEG C to obtain the preservative film inner layer; a middle layer is composed of 70% of high-density polyethylene, 6% of degradable plastic and 24% of nano CaCO3, and the extrusion temperature is 240 DEG C; an outer layer is composed of 75% of linear low-density polypropylene, 20% of degradable plastic and 5% of red mud, and the extrusion temperature is 220 DEG C. Aiming at the problems of chlorophyll degradation and yellowing, pathogenic bacteria infection and rotting and massive accumulation of ethylene in a fresh-keeping bag in the leaf vegetable storage process, a LED cold light source is adopted for day and night radiation, and a red filler isadded into the outer layer film of the fresh-keeping film to filter out light rays of other wave bands except red light.