18 results about "Potassium sulfite" patented technology

The application discloses a method for preparing a fulvic acid type liquid microbial fertilizer through minute-level composting of breeding wastewater, which comprises the following steps: adding biochar A, potassium ferrate and potassium sulfite into pig farm breeding wastewater, stirring for 10-20 minutes, and uniformly mixing to obtain liquid fertilizer B rich in fulvic acid-like substances; and compounding bacillus subtilis, DX-9 and AM microbial agents into the liquid fertilizer B to prepare a fulvic acid liquid microbial fertilizer C. The method uses biochar, potassium ferrate and potassium sulfite to realize rapid composting of the breeding wastewater within 10 minutes, and prepares a high-efficiency liquid fertilizer rich in fulvic acid; and the post-compounding of growth-promoting microbial agents (including bacillus subtilis, DX-9 and AM microbial agents) can enhance the fertilizer efficiency and improve the disease resistance of crops. The method has the advantages of high treatment efficiency and small occupied area, realizes high-value utilization of livestock and poultry breeding wastewater, can effectively promote crop growth, and helps the green and healthy development of the livestock industry, and has wide application and industrialization prospects in the fields of agriculture, forestry and animal husbandry.

The invention relates to the technical field of blueberry wine brewing, in particular to a mixed bacteria fermentation blueberry wine brewing process and application thereof, and the mixed bacteria fermentation blueberry wine brewing process comprises the following steps: raw material pretreatment: unfreezing, picking and crushing blueberries to obtain blueberry pulp; performing enzymolysis: adding potassium metabisulfite and pectinase into the blueberry pulp, and performing enzymolysis at 48-52 DEG C for 1-2 hours; sugar adjustment: adjusting the sugar degree of the blueberry pulp to 14-22Bx, and adjusting the pH value to 3.5-4.5; inoculating yeast: inoculating activated mixed yeast strains into the blended blueberry pulp, wherein the mixed yeast strains are RW angel wine yeast and 71B yeast; fermentation and post-treatment: fermenting the inoculated blueberry pulp with residues, filtering after fermentation to obtain the blueberry fruit wine, and through synergistic fermentation of RW angel wine yeast and 71B yeast, generating aroma substances such as esters and alcohols richer than that of single-bacterium fermentation, so that the wine body has strong fruit aroma, mellow wine aroma and soft fermentation aroma, is full in layering sense, and has a good taste. The problems that traditional fruit wine is thin in taste and serious in homogenization are effectively solved.

The invention relates to a citrus fruit wine fermentation method which comprises the following steps: selecting fresh, mature and non-rotten citrus, cleaning, peeling and pulping to obtain citrus pulp, adding pectinase into the citrus pulp for enzymolysis, and clarifying to obtain citrus clarified juice; the method comprises the following steps: sampling and detecting the total sugar content of the orange clarified juice, adding high fructose corn syrup, adjusting the total sugar content of the orange clarified juice to 16-20%, detecting the pH value of the orange clarified juice, adding potassium bicarbonate or citric acid to adjust the pH value to 3.6-3.8, finally adding 70-90mg / L of potassium metabisulfite, uniformly stirring, standing and sealing for 11-13 hours; adding non-saccharomyces cerevisiae JW14 and saccharomyces cerevisiae DV10 into the orange clarified juice in sequence, performing constant-temperature fermentation at 20 DEG C, and stopping fermentation when the total sugar content is lower than 4g / L; adding 0.8-1g / L naringinase into the fermentation liquor, reacting for 50-60 minutes, and clarifying to obtain the citrus wine; ageing of the citrus wine is accelerated by adopting microwave and irradiation treatment; centrifuging the aged wine, taking supernate, adding a compound clarifying agent for fining, stirring, sealing and storing; and finally filtering the citrus wine, sterilizing and bottling.

The invention discloses a brewing method of mousse special grape wine, and belongs to the technical field of food processing. The brewing method of the Musalaisi special wine comprises the following steps: mixing table grapes and wine grapes to obtain a mixed system with the acidity of 4-6.5 g / L and the sugar degree of 200-230 g / L, and crushing to obtain a crushed material; separating out self-flowing juice from the crushed material to obtain the self-flowing juice and residual fruit pulp; adding edible and medicinal auxiliary materials into the self-flowing juice to obtain a to-be-concentrated solution, and then heating and concentrating the to-be-concentrated solution to obtain concentrated juice; in the heating concentration process, feeding potassium metabisulfite; and performing fermentation treatment on the concentrated juice and the residual fruit pulp in a separated fermentation or mixed fermentation manner to obtain raw wine, and ageing to obtain the mousse special wine.

The application discloses a method for preparing lignin soil conditioner and cellulose by superheated steam assisted potassium sulfite treatment of biomass and application, and belongs to the field of solid waste resource utilization and soil conditioner processing. The application uniformly mixes agricultural and forestry residues and alkaline potassium sulfite solution into a slurry state, and then the slurry is put into a reactor, and superheated steam is introduced to perform lignin sulfonating reaction. In the reaction process, steam tail gas is returned to a steam heating device to improve heat energy recovery. After the reaction is completed, solid materials enter a percolation cleaning device to obtain lignin potassium sulfonate solution and cellulose solid product with degradable performance. After the lignin potassium sulfonate solution is mixed with xanthan gum, a trivalent iron ion salt solution is added to form lignin-based hydrogel as a soil conditioner. The application reduces a production process and reduces energy consumption by virtue of the high permeability of superheated steam. The lignin potassium sulfonate solution produced by using alkaline potassium sulfite is suitable for soil improvement, and can significantly improve the growth performance of crops in saline-alkali soil.

The present invention relates to a ratio fluorescence paper-based sensor for in-situ visual detection of soil ammonium nitrogen, which is used for on-site real-time monitoring of soil ammonium nitrogen status. In the presence of potassium sulfite, 1,2-phthalaldehyde can be combined with NH4 + A derivatization reaction occurs at room temperature to generate a derivative with blue fluorescence, and a self-reference background fluorescent material (red CdTe quantum dots) is introduced to construct a ratiometric fluorescence paper-based sensor. Ratiometric fluorescence detects NH4 based on the change in fluorescence intensity ratio. + , can eliminate the interference of various environmental factors, and at the same time has a multi-level color change effect to make data interpretation more accurate and more conducive to naked eye visual detection. The present invention can monitor the real-time status of soil ammonium nitrogen as conveniently as the use of pH test paper, for NH4 + The detection provides a very effective and practical technical means, and has good application prospects in the field of rapid detection of ammonium nitrogen in soil.

The present application belongs to the technical field of environmental pollution microbial treatment, and discloses a formaldehyde degradation composite agent, a formaldehyde removal device, a preparation method and application. The preparation method of the formaldehyde degradation composite agent provided by the present application comprises: activating and culturing a formaldehyde degradation strain with an activation culture solution to obtain an activated strain; S2, mixing the activated strain with a treatment solution A to obtain a mixed solution; adding the mixed solution into a treatment solution B for forming treatment to obtain the formaldehyde degradation composite agent; wherein the activation culture solution comprises 0.1-5 mu g / L of potassium sulfite and 5-10 mg / L of carrageenan oligosaccharide, the treatment solution A comprises polyvinyl alcohol, sodium alginate and carrageenan, and the treatment solution B comprises 0.15-0.5% (w / v) of boric acid and 1-3% (w / v) of calcium chloride. The formaldehyde degradation composite agent prepared by the method provided by the present application has excellent degradation effect on formaldehyde pollution of different concentrations, and has wide application prospect.

The invention provides a method and equipment for preparing calcium sulfate from desulfurization residues, and relates to the field of calcium sulfate nonmetallic mineral product manufacturing. The method for preparing calcium sulfate by utilizing the desulfurization residues comprises the following steps: S1, mixing the desulfurization residues and a potassium carbonate solution according to a solid-to-liquid ratio of 1: (0.8-10), and stirring for 0.5-12 hours at the temperature of 25-80 DEG C to obtain calcium carbonate residues and potassium sulfite mother liquor; s2, mixing the calcium carbonate residues with a 2-5 mol / L acetic acid solution, and stirring for 10-360 minutes at the temperature of 25-80 DEG C to obtain a calcium acetate mother solution and filter residues. According to the method for preparing calcium sulfate by utilizing the desulfurization residues, calcium and sulfur elements in the waste resource desulfurization residues are effectively separated and converted into calcium sulfate whiskers and potassium sulfate with market value. And cascade conversion and high-value utilization of main valuable elements in the desulfurization slag are achieved, and economic benefits are remarkably improved. Meanwhile, the stockpiling or landfill amount of the desulfurization slag is reduced, the environmental burden is relieved, and secondary pollution possibly caused by a traditional treatment mode is avoided.

The invention belongs to the technical field of fermentation engineering, and particularly relates to a method for brewing grape wine through secondary treatment of a high-voltage pulsed electric field. The preparation method comprises the following steps: crushing grapes, treating the crushed grapes by using the high-voltage pulsed electric field, squeezing to obtain juice, sequentially adding potassium metabisulfite, pectinase and saccharomyces cerevisiae, fermenting, and performing secondary treatment on the fermented wine by using the high-voltage pulsed electric field. The juice yield of the grape pulp treated by the high-voltage pulsed electric field is obviously improved, the chromaticity of the grape wine subjected to secondary treatment by the high-voltage pulsed electric field is obviously improved, and active substance components such as total polyphenol and total flavone are respectively improved by 28.86% and 17.61% compared with those of a sample which is not treated by the high-voltage pulsed electric field; meanwhile, the content of aroma components such as ethyl butyrate, ethyl enanthate and ethyl hexanoate in the wine treated by the high-voltage pulse electric field is obviously increased, and pleasant aroma such as nut aroma, green leaf aroma and fruit aroma is brought to the wine.

The application discloses a kind of high-strength medical resin, belongs to high polymer material technical field.It includes the following components: medical silica gel, propylene-ethylene copolymer, iso-octanoic acid, aluminium oxide, calcium carbonate, potassium pyrosulfite;With weight ratio, wherein the mass ratio between medical silica gel, propylene-ethylene copolymer, iso-octanoic acid, aluminium oxide, calcium carbonate, potassium pyrosulfite is (80-100) :(120-150) :(10-25) :(2-10) :(2-6) :(2-5);Its preparation method is as follows: preparation reaction kettle is added medical silica gel, propylene-ethylene copolymer, iso-octanoic acid, aluminium oxide, calcium carbonate and potassium pyrosulfite, heated to 180 DEG C, then vacuum mixing stirring 60min after, finally send into double-screw extruder and process.It can effectively improve its strength effect, meet the demand of dental restorative material.

The invention relates to the technical field of wine brewing, in particular to a brewing method for producing black rice wine by an anthocyanin extraction and reduction process, which comprises the following steps of: adding edible grade sulfurous acid or potassium metabisulfite and condensed tannin into raw black rice wine which meets specific quality indexes and is used as a solvent to prepare an extraction solvent; the method comprises the following steps: carrying out negative pressure extraction on black rice under specific conditions, freezing to remove fat, and carrying out multi-stage filtration to obtain a high-cleanliness anthocyanin extracting solution; the black rice subjected to anthocyanin extraction is subjected to wall breaking and crushing, liquid cooking and gelatinization, liquefaction, saccharification, pure fermentation, squeezing, wine decoction and other procedures to prepare raw wine, and finally an anthocyanin extracting solution is added in proportion in the wine storage link to complete reduction. The problems of high loss rate of anthocyanin in the black rice, difficulty in cooking and gelatinization, low wine yield and the like in the traditional process are solved, the utilization rate of the anthocyanin reaches 85% or above, the wine yield is increased by 3%-5%, energy and water resources are saved, sewage discharge is reduced, the color, the nutrition and the taste of the black rice wine are improved, and automatic development of the industry is promoted.

The present application relates to the technical field of pyrophosphate heavy metal treatment, and discloses a treatment method for pyrophosphate heavy metal wastewater and application thereof, the treatment method for pyrophosphate heavy metal wastewater comprises the following steps: adding waste manganese slag into the pyrophosphate heavy metal wastewater, adding a hydrolysis agent, fully reacting, and obtaining a mixed solution; the hydrolysis agent comprises at least one of potassium peroxymonosulfate, potassium persulfate, potassium sulfite, hydrogen peroxide and peroxyacetic acid. Wherein, the waste manganese slag serves as a reaction carrier, provides a catalytic surface and an adsorption site for degradation of pyrophosphate heavy metal complexes; the hydrolysis agent is activated under the catalysis of the manganese slag, attacks the pyrophosphate P-O-P bond to hydrolyze into orthophosphate, simultaneously destroys the metal complex structure, releases metal ions, and subsequently adds iron salt for co-precipitation, thereby breaking through the problems of slow treatment and low efficiency of traditional treatment methods for stable complexes.

The application belongs to the technical field of potassium sulfite preparation, and discloses a potassium sulfite preparation system and a preparation method. The preparation system comprises: an absorber, which is used for forming an absorption solution containing potassium bisulfite by controlling the pH of a solution to be less than or equal to 6 through a potassium hydroxide absorption method; an oxygen removal device, whose inlet is connected with the outlet of the absorber; a regulating tank, which is connected with the outlet of the oxygen removal device, is used for supplementing potassium hydroxide and controlling the pH of a solution to be greater than or equal to 8, and obtains a potassium sulfite solution through a reaction; an evaporation crystallizer, whose inlet is connected with the outlet of the regulating tank; a solid-liquid separator, whose inlet is connected with the outlet of the evaporation crystallizer, is used for separating a slurry after crystallization into potassium sulfite solids and a crystallization mother liquor; and a dryer, which is used for drying the potassium sulfite solids to obtain a potassium sulfite product. The application can solve the problems of the influence of carbon dioxide on the quality of the potassium sulfite product and the oxidation of the potassium sulfite, and can improve the purity of the potassium sulfite product.

The invention provides a composite potassium metabisulfite embedded slow-release carrier as well as a preparation method and application thereof, and belongs to the technical field of embedded carriers. The composite slow-release carrier embedded with the potassium metabisulfite comprises the potassium metabisulfite, a middle layer wrapping the outer surface of the potassium metabisulfite and a shell layer wrapping the outer surface of the middle layer. The middle layer is made of a film made of a cellulose material; the material of the shell layer is a film obtained by carrying out cross-linking reaction on passion fruit peel polysaccharide. According to the slow-release carrier for compositely embedding the potassium metabisulfite, the potassium metabisulfite serves as a core, the potassium metabisulfite is sequentially wrapped by a film formed by a cellulose material and a film obtained by cross-linking reaction of passion fruit peel polysaccharide, and the two materials are selected as a middle layer and a shell layer respectively; during use, along with dissolution or swelling of the shell layer and the middle layer, dual release control is realized, so that the embedding carrier has an excellent effect of slowly releasing sulfur dioxide.

The invention relates to the technical field of pyrophosphate heavy metal treatment, and discloses a pyrophosphate heavy metal wastewater treatment method and application thereof, the pyrophosphate heavy metal wastewater treatment method comprises the following steps: adding waste manganese slag into pyrophosphate heavy metal wastewater, adding a hydrolytic agent, and fully reacting to obtain a mixed solution; the hydrolytic agent comprises at least one of potassium hydrogen peroxymonosulfate, potassium persulfate, potassium sulfite, hydrogen peroxide and peracetic acid. Wherein the waste manganese slag is used as a reaction carrier and provides a catalytic surface and an adsorption site for degradation of the pyrophosphoric acid heavy metal complex; the hydrolytic agent is activated under the catalysis of the manganese slag, attacks a pyrophosphate P-O-P bond to be hydrolyzed into orthophosphate, destroys a metal complex structure, releases metal ions, and subsequently adds iron salt for co-precipitation, so that the problems of slow treatment and low efficiency of a stable complex in a traditional treatment method are solved.

The invention discloses a method for preparing blueberry fruit wine by low-temperature fermentation and the blueberry fruit wine prepared by the method, the method comprises the following steps: crushing blueberries, pulping, adding potassium metabisulfite, pectinase and beta-glucosidase, performing vacuum pulse treatment, and squeezing to obtain blueberry juice; adjusting the content of soluble solids in the blueberry juice, then carrying out micro-nano bubble hydration treatment, then adding a compound fermentation inoculant and mannose glycoprotein, carrying out alcoholic fermentation, and carrying out filter pressing to obtain blueberry fermentation liquor; adding polyethylene glycol modified EPS into the fermentation liquor, standing for clarification, filtering, supplementing potassium metabisulfite, accelerating aging by a pulsed electric field, filtering by a microporous membrane, and filling to obtain a finished product. Through collaborative optimization of enzymolysis, fermentation and aging accelerating technologies, the problems of low low-temperature fermentation efficiency, insufficient release of flavor substances and the like are effectively solved, the finished fruit wine is clear, transparent and bright, stable in color and luster, full in functional ingredient retention, rich and coordinated in flavor and short in production period, and a scientific and feasible innovative path is provided for industrial production of the blueberry fruit wine.

The invention provides a blueberry wine brewing process which comprises the following steps: S1, selecting, cleaning and crushing blueberries, and then putting the cleaned and crushed blueberry pulp, potassium metabisulfite, potassium bicarbonate and a fermentation nutrition additive into a temperature control fermentation tank; s2, putting active yeast into a temperature-controlled fermentation tank, performing temperature-controlled fermentation on the active yeast and the blueberry pulp, then performing sugar regulation on the fermented blueberry pulp, and putting edible tannin into the sugar-regulated blueberry pulp to increase the structure of the blueberry wine body and assist in resisting oxidation; through the synergistic effect of the oak chips, the active dry yeast, the edible tannin, the lactic acid bacteria, the active sodium bentonite, the potassium metabisulfite, the potassium bicarbonate and the fermentation nutrition additive auxiliary materials and precise parameter control in the process, the problems of high acerbity and single flavor of the traditional blueberry wine are solved, meanwhile, active ingredients are reserved to the maximum extent, and the taste of the blueberry wine is improved. The method conforms to the high-efficiency and functional trend of modern fruit wine, and the anthocyanin degradation and fermentation time is shortened.

The invention relates to an environment-friendly cyanide-free electroplating solution and an electroplating process thereof. Comprising the following components in parts by mass: 55 g / L to 130 g / L of copper sulfate, 10 g / L to 20 g / L of copper chloride, 14 g / L to 34 g / L of copper pyrophosphate, 15 g / L to 25 g / L of sodium chloride, 20 g / L to 40 g / L of potassium ethylene diamine tetraacetate, 0.01 g / L to 0.02 g / L of sodium citrate, 12 g / L to 22 g / L of sodium hydroxyethylidene diphosphonate, 8 g / L to 12 g / L of diethylenetriamine, 6 g / L to 10 g / L of potassium sulfite, 4 g / L to 8 g / L of methyl pentynol, 10 g / L to 20 g / L of ammonium acetate, 9 g / L to 17 g / L of anisaldehyde, 7 g / L to 15 g / L of sodium nitrate, 8 g / L to 16 0.1 g / L to 0.3 g / L of a brightening agent, 2 g / L to 4 g / L of a dispersing agent, 0.05 g / L to 0.1 g / L of a hardness conditioning agent and 2 g / L to 5 g / L of a surface active agent. According to the environment-friendly cyanide-free electroplating solution, the influence on the environment is greatly reduced in the production process, and workers can be prevented from being poisoned by cyanide.