48results about How to "Fast fermentation rate" patented technology

The invention provides a process for treating waste liquids from catalytic cracking flue gas desulfurization. The process comprises the following steps: enabling a part of waste liquids from a quenching washing tower to enter a hydraulic cyclone separator so as to be subjected to solid-liquid separation, returning the thin liquids to the quenching washing tower so as to be recycled, enabling the thick liquids to enter a neutralization reactor so as to be subjected to neutralization reaction, enabling the neutralized waste liquids to enter a slurry pond so as to be mixed with a flocculating agent uniformly, and enabling the mixture to enter an expansion-drum type filter so as to be subjected to solid-liquid separation with a thick slurry and a supernatant being obtained; returning part of the supernatant to the quenching washing tower so as to be recycled, discharging the remaining supernatant into an oxidation tank, removing the pseudo-COD containing sulfite roots and bisulfite roots by oxidizing, and directly discharging the qualified sewage; enabling the thick slurry to enter a settling pond from the bottom of the expansion-drum type filter so as to be further settled, feeding the thick slurry subjected to settlement into a dewatering machine so as to be concentrated and dewatered, directly transporting the filter cakes obtained by dewatering the thick slurry, returning the filtrate from the dewatering of the thick slurry to the slurry pond, and mixing the filtrate with the waste liquids so as to be retreated. The process provided by the invention has the advantages of a stable and efficient treatment effect, strong shock resistance, low investment and small floor area occupation and convenience of operation.

The invention relates to a method for preparing NaY molecular sieve by using the synthesis mother liquor, comprising the following steps: 1. adding the aluminium salt solution into the synthesis mother liquor to form a precipitating silicon-aluminium gel, then filtering it to obtain a silicon-aluminium gel filter cake; 2. mixing the silicon-aluminium gel filter cake with the soluble silica resource, aluminium resource and guiding agent evenly, after that, pre-crystallizing it under 30 to 100 degrees centigrade for 0.5 to 30 hours; 3. mixing the pre-crystallized product with the soluble silica resource, aluminium resource to form a crystallization mixture, after that, crystallizing it under 90 to 100 degrees centigrade for 8 to 65 hours, then filtering, washing and drying to obtain a NaY molecular sieve with large crystal grain and large granule. The invention overcomes the bias of the existed techniques by adding the pre-crystallizing step before the conventional crystallizing step to prepare NaY molecular sieve with large crystal grain and large granule, and solves slow filtering rate in post treatment.

The present invention discloses a volume-variable solid-liquid separating device with functions of sewage capturing and dirt accepting, and a separating method thereof. The solid-liquid mixture to be separated flows(down-to-up or up-to-down) through the filtering medium which is compressed to have a height equal to 60% to 90% of the natural filling height. With the increase of captured solid phases, a shaft lifting driver drives a lifting shaft to lift a compress screen, and the height of the filtering medium increases gradually. When the height of the filtering medium reaches 90% of the natural filling height, the compress screen is lifted to the highest position, the filtering medium is loosened completely, at the same time, reverse flushing gas is charged from the intake pipe for a period of 10 to 15 minutes, after the reverse flushing, the compress screen is lowered to compress the filtering medium for refiltration. As a result, the invention has a fast filtering speed reaching a level of 45m / h, sewage capturing speed is increased while the pressure drop loss is decreased; the reverse flushing is complete while the water consuming is less; the operation is simple, and complete auto-control can be realized.

The invention relates to a method for preparing NaY molecular sieve by using the synthesis mother liquor, comprising the following steps: 1. adding the aluminium salt solution into the synthesis mother liquor to form a precipitating silicon-aluminium gel, then filtering it to obtain a silicon-aluminium gel filter cake; 2. mixing the silicon-aluminium gel filter cake with the soluble silica resource, aluminium resource and guiding agent evenly, after that, pre-crystallizing it under 30 to 100 degrees centigrade for 0.5 to 30 hours; 3. mixing the pre-crystallized product with the soluble silica resource, aluminium resource to form a crystallization mixture, after that, crystallizing it under 90 to 100 degrees centigrade for 8 to 65 hours, then filtering, washing and drying to obtain a NaY molecular sieve with large crystal grain and large granule. The invention overcomes the bias of the existed techniques by adding the pre-crystallizing step before the conventional crystallizing step to prepare NaY molecular sieve with large crystal grain and large granule, and solves slow filtering rate in post treatment.

The three-stage fluid bed fixing barm alcohol fermentation bio-reactor comprises: a gas holder, a three-stage fusiformate fermentation body, and a storage chamber for fermented glutinour rice; all vertically connected in turn by flange. This invention is simple, needs low consumption and land area, and improves material utility.

The invention relates to Lactobacillus plantarum P12 and application thereof. A method for preparing a brown active milk beverage by the Lactobacillus plantarum P12 comprises the steps of: preparing an MRS culture medium, activating strains, culturing the strains, preparing degreasing emulsion containing glucose, and preparing a brown active lactic acid bacteria beverage. The brown active lactic acid bacteria beverage has significantly higher ACE inhibitory activity than commercial leavening agents and has good storage stability. The bacterium has relatively higher survival rate in the gastrointestinal fluid, thereby proving that the bacterium has excellent probiotic characteristics and has relatively strong viability in human body.

The invention discloses oil residue separation equipment for oil-tea production. The oil residue separation equipment for oil-tea production comprises an oil barrel, an annular plate and a filtering net; the filtering net is fixed in the annular plate; the annular plate is matched with the inner wall of the oil barrel; a pressurizing device is arranged at the top of the annular plate a cleaning device for removing impurities from the surface of the filtering net is arranged at the bottom of the inner side of the oil barrel; and a first oil outlet pipe and a second oil outlet pipe are arrangedat the bottom of the oil barrel sequentially along a vertical direction. According to the oil residue separation equipment for oil-tea production, the filtering net moves into the oil barrel through the pressurizing device and continuously moves downwards in the oil barrel to arrive at the bottom of the oil barrel, the filtering net filters impurities, which the tea oil contains, in the oil barrelin the moving process, and the filtering net is subjected to a constant pushing force in the moving process, so the filtering speed of the tea oil is high; and oil residues attached to the filteringnet can be eliminated by a cleaning device, so that blockage of the filtering net by the oil residues is avoided.

The invention provides a method for efficient separation and purification of palladium and rhodium from an alloy sheet containing palladium-rhodium alloy. The method comprises the steps that the palladium-rhodium alloy sheet is dissolved with a nitromurlatic acid solution, then palladium is dissolved in the nitromurlatic acid solution, while rhodium resistant to corrosion from the nitromurlatic acid solution is not dissolved and deposits at the bottom of a container in the form of fine powder, so that palladium and rhodium are separated; potassium permanganate and ammonium chloride are added into the solution containing palladium, so that red palladium sediment is obtained to realize purification, and then a chemical reagent is added to generate dichlorodiamminepalladium which is used as araw material for synthesizing tetraamminepalladium sulfate; and the insoluble rhodium is roasted together with sodium peroxide and is then soaked in acid to be dissolved to obtain rhodium-containingliquor, and rhodium powder with the purity of 99.95% is obtained after purification and reduction.

The invention relates to an insect-resistant soil regulator taking traditional Chinese medicine wastes as a matrix and a production method of the soil regulator. The production method comprises the following steps: inoculating green muscardine fungus to a seed medium, and preparing a fermentation seed solution, wherein the seed medium comprises glucose, yeast powder, peptone and a potato liquid; and inoculating the fermentation seed solution to a solid-phase medium, wherein the inoculation amount is 10-15%, and standing and fermenting in a shallow tray solid fermentation apparatus at the temperature of 25-30 DEG C, wherein the solid-phase medium comprises the traditional Chinese medicine wastes, saccharose, maize syrup powder, bean pulp, Ca(OH)2 and wood vinegar. The fermentation method in the invention is short in fermentation cycle, mild in conditions and easy to control and amplify, the provided solid-phase fermentation matrix is high in fermentation rate, and the fermented soil regulator has an insect-resistant effect; and meanwhile, the functional substance wood vinegar can provide the characteristics of promoting growth, resisting diseases and the like.

The invention relates to a microbial agent and a preparation method as well as an application of the microbial agent. The microbial agent comprises functional bacteria and an adsorbent and is characterized in that the functional bacteria comprise bacillus subtilis, bacillus megatherium, trichoderma longibrachiatum and aspergillus niger, wherein the mass ratio of the microbial fermentations of the bacillus subtilis, the bacillus megatherium, the trichoderma longibrachiatum and the aspergillus niger in a mixture is 0.5-2:0.5-2:0.5-2:0.5-2. The microbial agent is prepared by carrying out the processes of slant culture, shake-flask culture, seeding tank fermentation, fermentation tank fermentation, microbial fermentation mixing, absorbent absorption, and low-temperature drying, and the microbial agent can be applied to the production of straw manure.

The invention discloses a fermentation tank for cultivating edible fungi. The fermentation tank comprises heating pipes and stirring paddles, wherein the heating pipes and the stirring paddles are arranged in a fermentation tank body, the fermentation tank body is of a drum structure, a stirring shaft is arranged in the middle of the fermentation tank body, the upper end of the stirring shaft penetrates through the upper surface of the fermentation tank body, a deceleration motor is connected with the upper end of the stirring shaft, and small motors are fixed at the lower end of the stirringshaft. The stirring paddles on the stirring shaft are convenient to disassemble and clean, and reduced fermentation rate or fermentation failure can be avoided; the stirring paddles are connected withthe small motors, and the stirring paddles can rotate vertically when the stirring shaft drives the stirring paddles to rotate transversely, so that a material is fully stirred; the heating pipes arearranged in a water tank, heat is transmitted to a fermented substance through the water tank, the phenomenon that part of the fermented substance is dead due to overheat is prevented, and the cost is saved; the fermentation temperature can be stably controlled within a certain range through the water tank, and the fermentation rate of the fermented substance is high; the fermentation tank is suitable for being popularized.

The invention discloses a solid fermentation of Penicillium oxalicum, and the Penicillium oxalicum PSF‑4 is used for the degradation of phosphorus and lead. The present invention adopts the above-mentioned solid fermentation of Penicillium oxalicum and its high-efficiency method for decomposing phosphorus and removing lead, which can realize the function of decomposing phosphorus and removing heavy metals at the same time, and the cost is low. Soil fertility and ecotoxicity.

The invention discloses an activated carbon filtering device utilizing water-soluble silicon. The device comprises a barrel, an inner barrel is installed in the barrel and comprises a water inlet barrel, a mixed adsorption barrel and a filtering barrel, a leakage plate is connected to the bottom of the water inlet barrel, the bottom of the water inlet barrel is connected with the mixed adsorptionbarrel, a partition plate is connected into the mixed adsorption barrel, and water holes are formed in the partition plate. The mixed adsorption barrel forms a mixing layer through cooperation of thepartition plate and the leakage plate, the lower side in the mixed adsorption barrel is connected with an adsorption box, the bottom of the mixed adsorption barrel is connected with a guide sleeve, the guide sleeve is of a horn-shaped structure with the large upper portion and the small lower portion, and the bottom of the guide sleeve is connected with a composite filter box. The bottom of the composite filter box is connected with a filter cartridge, an activated carbon filter layer is arranged in the filter cartridge, the bottom of the filter cartridge is connected with a water outlet guidesleeve, the bottom of the water outlet guide sleeve penetrates through the barrel and extends to the lower side of the barrel, the top of the barrel is fixedly connected with a mounting ring and a barrel cover is connected to the top of the mounting ring.

The invention discloses a method for preparing a palm oil decolorizing agent by attapulgite clay soybean oil decolorization waste residues, which comprises the following steps of: firstly, carrying out soybean oil decolorization treatment by attapulgite clay; then spraying acid to attapulgite clay waste residues which adsorb grease; roasting at a temperature of 300 to 380 DEG C; and finally, washing, drying and sieving to obtain the attapulgite clay palm oil decolorizing agent loaded with activated carbon. The palm oil decolorizing agent prepared by the method utilizes a synergistic effect between the attapulgite clay and the activated carbon and not only realizes decolorization of palm oil, but also realizes recycling of the soybean oil decolorization waste residues; and the product has the advantages of high decolorization ratio, high filtering rate, oil damage and the like and is suitable for deeply decolorizing crude palm oil.

The invention discloses fermented milk containing Lactobacillus kefir. The fermented milk is added with Lactobacillus kefir KL22 and Streptococcus thermophilus JMCC0019. The ingredients of the fermented milk are reasonable in composition, and the fermented milk has a soft taste and rich nutrition. The number of viable bacteria is high, which can inhibit the colonization of intestinal harmful bacteria through adhesion, and has the effect of regulating the intestine; the present invention also provides the preparation method of the fermented milk of the above-mentioned Lactobacillus kefir. Milk and other processes, the preparation process is simple, easy to control, and the fermentation cycle is short. During the fermentation process, Lactobacillus kefir KL22 and Streptococcus thermophilus JMCC0019 play a synergistic role, overcoming the disadvantages of slow fermentation of Lactobacillus kefir KL22 alone. The speed is fast, and the taste of fermented milk is mellow. The invention is suitable for preparing fermented milk containing Lactobacillus kefir.