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

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 relates to a method for preparing alcohol by mixing and fermenting raw materials and cooked materials. The method comprises the following steps: adding or supplementing saccharified mash obtained by non-cooked raw material fermentation method into liquefied mash or saccharified mash in the traditional cooked alcohol fermentation process, namely dividing starchy materials into two parts, gelatinizing, liquefying and saccharifying one part of starchy materials by the conventional traditional cooking alcohol fermentation method, liquefying and saccharifying the other part of starchy materials by a non-cooked raw material alcohol fermentation method, liquefying or saccharifying the mash of the two processes, mixing and synchronously scaccharifying and fermenting to prepare the alcohol. According to the method, the preparation efficiency is equal to that of the complete cooking alcohol preparation process, equipment is not transformed, the preparation process is simplified partially, energy consumption is reduced partially, and market popularization is facilitated.

The invention discloses a butterfly high-efficiency self-adaptive plastic-fiber mixed filter material filter. The filter consists of filter material monomers, wherein each filter material monomer is formed by connecting a weight-balancing core body and paired corrosion-resistant balancing filtering wing bodies in a matching way; the surface of the weight-balancing core body is made of plastic; the weight-balancing core body is ellipsoidal; the threshold of the average density p0 of the weight-balancing core body is between 1.30 and 1.50 g/cm<3>; the two ends of a long axis of the ellipsoidal weight-balancing core body are provided with balancing wing bodies respectively; each balancing wing body is made from fiber bundles consisting of artificial fiber yarns; and the inner ends of the artificial fiber yarns constituting each fiber bundle are fixedly connected to each end of the long axis of the weight-balancing core body and the other ends of the artificial fiber yarns are in a diffused state so as to form a whisker form. The filter has the technical advantages of high porosity, high filtering speed, high filtering accuracy, low resistance, high filth holding capacity, small backwashing water using amount, high periodic water yield, low operating cost, small floor area and high anti-load impact capacity.

The invention provides a nanofiltration membrane and a preparation method thereof as well as a preparation method of fluorescent graphene quantum dots. The nanofiltration membrane at least comprises a function layer and a support layer, wherein the function layer comprises a plurality of first filter holes penetrating through the function layer; the support layer is connected with the function layer and comprises a plurality of second filter holes penetrating through the support layer; the apertures of the second filter holes are greater than those of the first filter holes; one second filter hole is communicated with at least one first filter hole. The nanofiltration membrane can effectively achieve separation of nanoscale particles, and the separated particles are uniform in size. The invention also provides a method for preparing fluorescent graphene quantum dots by the nanofiltration membrane, and the finally obtained fluorescent graphene quantum dots are high in luminous efficiency and high in quantum yield.

The invention relates to a lactobacillus helveticus H11 and a method used for preparing a brown active milk beverage. The method comprises the following steps: preparing a MRS culture medium; activating bacterial strains; culturing bacterial strains; preparing separated milk containing glucose; preparing a brown active lactobacillus beverage, and the like. The invention has the advantages that theprepared brown active milk beverage is capable of reducing fermenting time and reducing fermenting cost, has nice taste and flavor during storage period and has higher stability. Peptides Val-Pro-Proand Ile-Pro-Pro with a function of reducing blood pressure, ACE inhibitor activity and biological activity are generated in the fermentation period, so that the functionality and healthcare propertyof milk beverage products can be enhanced.

The invention discloses fermented milk containing lactobacillus kefir. Lactobacillus kefir KL22 and Streptococcus thermophilus JMCC0019 are added into the fermented milk, the compatibility of ingredients of the fermented milk is reasonable, the fermented milk has soft taste, is rich in nutrients and high in viable count, can be planted through adhering suppressive enteric harmful bacteria and hasan intestine conditioning effect. The invention further provides a preparation method of the fermented milk containing lactobacillus kefir. The preparation method sequentially comprises the followingsteps: batching, homogenization, sterilization, fermentation, demulsification and the like. The preparation method has the beneficial effects that the preparation process is simple and easy to control, the fermentation period is short, lactobacillus kefir KL22 and Streptococcus thermophilus JMCC0019 can generate a synergistic effect in the fermentation process, the drawback that independent fermentation of lactobacillus kefir KL22 is slow is overcome, the fermentation speed is high, and the fermented milk has a mellow taste. The preparation method is suitable for preparing the fermented milk containing lactobacillus kefir.

The invention discloses an environment-friendly livestock and poultry manure pollution-free recycling and treatment device, and relates to the technical field of manure treatment. The left side of a moving block is fixedly connected with an insertion plate, the center part of a hopper is provided with an opening II through which the insertion plate passes and is in sliding connection with the insertion plate, the surface of the insertion plate is provided with a discharge port, a disinfection component for injecting high-temperature hot air into the separation cavity is arranged on the surface of a swing plate, and a stirring component and a circulating power generation component are arranged in a fermentation cavity. The device has the advantages that the condition that follow-up devices are blocked is avoided by means of intermittent discharging of manure, high-temperature gas is matched to sterilize the manure, the pollution-free effect is achieved, finally, biogas generated by fermentation is used for power generation, energy is provided for the device, the environment-friendly effect is achieved, and the device has the effect of better practicability.

The invention belongs to the field of biotechnology and discloses a method for preparing ethanol by fermenting jerusalem artichoke through recombinant saccharomyces cerevisiae. The method provided by the invention comprises the following steps of: taking the jerusalem artichoke powder as a culture medium and carrying out anaerobic fermentation by utilizing the recombinant saccharomyces cerevisiae to prepare the ethanol, wherein the fermentation concentration of the ethanol can be more than 9% in 60 hours. By utilizing the raw material and the fermenting method provided by the invention, corn meal, wheat meal and the like which are grain raw materials and are used in the traditional ethanol industrial production in China can be replaced and a foundation is laid for the non-grain-fuel ethanol production.

The invention belongs to the technical field of microbial fermentation, and in particular to an energy-saving and environment-friendly microbial fermentation system. The system comprises feeding ports, discharge ports, a motor, a work box, a support base and a controller. The support base and the bottom of the work box are fixedly connected; the motor is located at the bottom of the work box, andthe output end of the motor passes through the bottom of the work box; a drive shaft is fixedly connected the output end of the motor located in the work box; the end, away from the output end of themotor, of the drive shaft and the top of the work box are in rotating connection; crushing units are arranged on the upper part in the working box; stirring units are arranged below the crushing units; and an aeration unit is arranged outside the working box. The microbial fermentation system has high microbial fermentation rate, and high utilization rate of fermentation raw materials.

The invention relates to the technical field of petroleum gathering and transporting, and discloses an anti-blockage filtering device for petroleum. The upper end of the left side of a shell is fixedly connected with a petroleum inlet pipe which is communicated with the upper end of the left side of the shell; a rotating groove is formed in each of the positions, below the petroleum inlet pipe, ofthe left side and the right side of the inner wall of the shell; the inner wall of each of the two rotating grooves is fixedly connected with a rotating rod; the surface of each of the two rotating rods is connected with a down-flow plate in a sleeving manner; the positions, below the down-flow plates, of the inner wall of the shell are fixedly connected with a filtering plate; a sliding groove is formed in the top of the filtering plate; the inner wall of the sliding groove is connected with a settling box in a sliding manner; petroleum outlet holes are formed in the surface of the settlingbox; filtering holes are formed in the top of the filtering plate; the filtering holes are communicated with the sliding groove. The anti-blockage filtering device for the petroleum is simple in structure, can perform multi-stage filtering treatment on the petroleum and ensure a better filtering effect, and can also clean filtered residues to prevent petroleum filtering from blockage, so that thefiltering efficiency and the purity of the petroleum become higher.

The invention provides a method for organic surface modification of nanometer attapulgite. The method comprises the following steps: (1) inorganic surface modification of nanometer attapulgite: a step of heating dispersed and purified nanometer attapulgite aqueous dispersion to 40 to 100 DEG C and carrying out inorganic surface modification on nanometer attapulgite under stirring, wherein a surface coating substance of nanometer attapulgite is one, two or three selected from the group consisting of ZnO hydrate, Al2O3 hydrate and MgO hydrate, and in terms of oxide, a mass ratio of the inorganic coating substance to nanometer attapulgite is 5 to 30%; (2) organic surface modification of nanometer attapulgite: a step of the pH value of the inorganic surface coated nanometer attapulgite aqueous dispersion so as to allow the surface of nanometer attapulgite to be positively charged, then adding desired anionic surfactant under stirring, wherein a mass ratio of the anionic surfactant to nanometer attapulgite is 3% to 20% and the anionic surfactant is added after dissolving in deionized water, and continuing stirring for 5 to 600 min after completion of addition; and (3) post-treatment: a step of subjecting a product to solid-liquid separation, washing, drying and crushing after completion of a reaction so as to eventually obtain the anionic surfactant surface modified nanometer attapulgite.

The invention discloses an integrated process and equipment for eutrophic water body control. The process comprises multiple stages of fast filtering work procedures, a strong oxidation work procedure and a deep adsorption work procedure, wherein the multiple stages of fast filtering work procedures operate in a serial connection way. Suspended substances and algae cells in the water body can be fast filtered; phycotoxin, nitrogen and phosphorus nutrients and organic contaminants can be effectively removed; meanwhile, the effect of improving the water body dissolved oxygen can be achieved, so that the control effect of resolving the current problems and eliminating the root causes is achieved. In addition, through technology integration, the developed equipment is portable and intensive; the moving and the transportation are convenient; the process and the equipment are particularly applicable to the prevention and the emergency treatment of slight eutrophic water body algae bloom in urban view and scape lakes, medium-and-small-sized reservoirs and semi-sealed gulfs.

The invention provides complete equipment for treating chromium wastewater. The complete equipment comprises a reaction tank, a pressure filter, a mechanical filter and an activated carbon absorber, wherein the reaction tank is provided with a water level meter, a float switch, a pH sensor, a chemical inlet and stirring equipment, the mechanical filter is provided with a high-pressure gas inlet pipe and a gas outlet pipe, and the interior of the mechanical filter is divided into an upper coarse filtering layer and a lower refined filtering layer. The complete equipment has the advantages that the complete equipment is simple in structure, reasonable in design, capable of lowering equipment operation cost, increasing chromium wastewater treatment efficiency and effect and effectively controlling feeding quantity, visual in liquid level, fast in wastewater filtering and high in safety; filtered water is quite clean after being absorbed by activated carbon and can be directly used by other working procedures or used for cleaning, environment pollution is avoided, water resource utilization rate is increased, and waste is avoided.

The invention discloses a sewage treatment method based on an MBR technology, and belongs to the technical field of MBR sewage treatment. The sewage treatment method comprises the steps that perishable garbage is fermented to obtain perishable garbage fermentation liquor, the COD in the perishable garbage fermentation liquor is 100-200 g/L, and the SCOD in the perishable garbage fermentation liquor is 60-120 g/L; the perishable garbage fermentation liquor is used for treating sewage in the MBR process, the MBR process comprises anaerobic section treatment, aerobic section treatment and membrane section biochemical treatment, and in order to improve the sewage treatment effect, bergenin can also be added in sewage treatment. Clear water obtained after the sewage obtained by the method is treated is high in the COD removal rate, and the COD removal rate after the sewage is treated is 93% or above; clear water obtained after sewage treatment is high in the total nitrogen removal rate, and the total nitrogen removal rate after sewage treatment is 72% or above; and the obtained sludge particles are large, pollution to the membrane is reduced, the average particle size of the sludge particles in the aerobic tank is 50-55 microns, and the d10 value of the sludge is 6.5-8.0 microns.

The invention discloses polyether glycol and a preparation method thereof, and a waterborne polyurethane emulsion. The preparation method comprises the following steps that: polyether monoalcohol R-(O-CH2-CH2-)n-OH reacts with a halogenating reagent to prepare halogen-terminated polyether R-(O-CH2-CH2-)n-X, then the halogen-terminated polyether R-(O-CH2-CH2-)n-X reacts with a compound defined in the specification to obtain end-capped polyether defined in the specification. In the refining process, an adsorbent and an auxiliary agent cooperate, the material adsorption amount in a filter cake is reduced, and the product loss is further reduced; the end-capped polyether is subjected to a ring-opening reaction in the presence of an acid catalyst to obtain a product polyether glycol defined in the specification, wherein n is 3-220, preferably 14-87, and the molecular weight distribution is 1.01-1.25, preferably 1.05-1.15. The preparation process is simple and efficient, the raw materials are low in cost and wide in source, and the industrial prospect is good. The polyether glycol is used for preparing the waterborne polyurethane emulsion and has the beneficial effect of reducing the viscosity.