63 results about "Salt reduction" patented technology

A processed biochar composition made with an oxygen-starved microwave sub-system from a processed organic-carbon-containing feedstock made with a beneficiation sub-system is described. Renewable biomass feedstock passed through a beneficiation sub-system to reduce water content to below at least 20 wt % and water-soluble salt reduction of at least 60% from that of unprocessed organic-carbon-containing feedstock on a dry basis. The processed feedstock is introduced into a substantially microwave-transparent reaction chamber. A microwave source emits microwaves which are directed through the microwave-transparent wall of the reaction chamber to impinge on the feedstock within the reaction chamber. The microwave source may be rotated relative to the reaction chamber. The feedstock is subjected to microwaves until the desired reaction occurs to produce a solid processed biochar fuel.

The invention relates to a method for cultivating green crab, wherein it uses multistage salt reduction method in culture pool, to obtain low-salt green crab. And said method comprises that putting shade into culture pool, the large-eye youth culture density is 2000-5000n / m2, the forage is fed two times each day; charging air in whole time; the initial salt degree is 22-26; the process is started at the second day; exchanging water and adding fresh water at least one time each day, the desalinating time is 7-15 days; the salt degree is reduced to 4-12. The invention has built the desalination cultivation, while the first-third crab survival rates can reach 60%, and the low-salt crabs (first-third) can live in 5-12 salt degree.

The invention provides a method for rapidly and ecologically treating coastal beach sludge and belongs to the technical field of coast enclosure for field, port engineering, beach development and the like. The method includes the following steps that firstly, a cofferdam is established and filled with the sludge at a certain height in a blowing manner, and straw blankets are laid on the sludge and connected with a vacuum device through pipes; secondly, the position, on the upper layer of the straw blankets, of the cofferdam is continuously filled with the sludge in a blowing manner to the assigned height; thirdly, crushed straw is added to the sludge on the upper layer of the straw blankets and stirred to form a straw and sludge mixture; fourthly, straw drainage bodies are inserted in the cofferdam; fifthly, the drainage bodies are sleeved with plastic waterproof pile caps; sixthly, a fresh water layer is formed on the surface of the mixture; seventhly, vacuum treatment is performed; and eighthly, the sixth step and the seventh step are repeated so as to finish rapid ecological treatment. By the adoption of the method, the good water permeability of the straw, the straw and sludge mixture and the like is used, and under the assistance of vacuum negative pressure, the salt-leaching and solidification processes of the sludge are accelerated; and meanwhile, the straw can be degraded to improve fertility and the purposes of sludge solidification, salt reduction and fertility improvement are achieved at a time.

The invention relates to a novel low-sodium salt substitute and a preparation method of the novel low-sodium salt substitute. The novel low-sodium salt substitute comprises 30-50 percent of salty peptide compounds and 50-70 percent of salt by weight ratio. The preparation method comprises the steps of performing enzymolysis on livestock and poultry bones to prepare salty mixed polypeptide, and mixing the salty mixed polypeptide with salt according to certain proportion to obtain the low-sodium salt substitute. The low-sodium salt substitute provided by the invention has the same salt taste as salt, has no bitter taste and other foreign flavors, and provides conditions for ensuring the health of people better and meeting the delicious need, so as to achieve the purposes of real salt reduction and salt limitation.

The invention discloses low-sodium seasoning peptide salt. The low-sodium seasoning peptide salt is characterized by being prepared from the following raw materials in percentage by weight: 60-70% of sodium chloride, 10-30% of potassium chloride, 1-5% of taste-active peptide, 2-8% of a yeast extract, 2-8% of sodium glutamate, 0.2-2% of ornithine and 0.5-5% of chicken juice. According to the seasoning salt disclosed by the invention, the dosage of salt can be reduced, but the salinity is not reduced, and the intake of sodium is reduced, so that technical salt reduction is realized; in addition, the seasoning salt has the function of enhancing freshness, when the seasoning salt is used, gourmet powder does not need to be added, and the seasoning salt has the effect of recuperating the health of human bodies.

The invention discloses a production method of salt-reduction soybean sauce and belongs to the technical field of seasoning brewing. The salt-reduction soybean sauce is prepared through treatment of raw materials including wheat and soybean meal, soybean meal steaming, mixed koji making, soy sauce mash preparation, fermentation in a jar as well as squeezing and sterilizing. The production method has the characteristics that the salt degree of soy sauce mash is reduced, the quality of produced low-salt soybean sauce is high, growth and breeding of infectious microbes are inhibited, and decaying sourness in the soybean sauce fermentation process is prevented.

A terrain processing method for improving seashore solonchak belongs to the technical field of soil improvements and includes the steps of firstly, building a drainage system; secondly, building a reservoir; thirdly, flattening land; and fourthly, lifting soil to prepare the land. The terrain processing method for improving seashore solonchak has the advantages that removing salinized surface oil is not needed so that labor is economized; natural rainwater collected is reasonably utilized, no diversion irrigation is needed, investment is low, and accordingly fresh water resources are economized; underground water level is reduced indirectly by turtleback planting lots, salt reduction is accelerated, and survival rate of seedlings can be increased. Saline-alkali soil can be reformed by the terrain processing method for improving seashore solonchak, and the survival rate of each seedling can reach more than 90%.

A renewable processed biomass pellet composition made with a pelletizing sub-system from a processed organic-carbon-containing feedstock made with a beneficiation sub-system is described. Renewable biomass feedstock passed through a beneficiation sub-system to reduce water content to below at least 20 wt % and water-soluble intracellular salt reduction of at least 60% from that of unprocessed organic-carbon-containing feedstock on a dry basis. The processed feedstock is introduced into a pelletizing sub-system to result in renewable processed biomass pellets having an energy density of at least 17 MMBTU / ton (20 GJ / MT) a water content of less than 20 wt %, and water-soluble intracellular salt content that is decreased by at least 60 wt % on a dry basis for the processed organic-carbon-containing feedstock from that of the unprocessed organic-carbon-containing feedstock, and made with 40% less energy than expended to make current biomass pellets.

Fermented bean curds are a traditional soybean fermented food and seasoning in China, and the salt content of traditional fermented bean curds is generally 8%-16%. In recent years, low-salinity dietsare beneficial to health and becomes a consensus of the public, and low-salinity development of traditional fermented foods becomes a social demand. Aiming at the problems of high salt content, potential safety risks after salt reduction and the like of the traditional fermented bean curds, the invention provides a method for synergistically fermenting flowery low-salt fermented bean curds by multifunctional bacteria, so that the fermented bean curd products are low in salt content, palatable in saltiness, mellow and rich in fragrance and outstanding in flowery flavor; the fermented bean curdscontain functional components such as Monacolin K and gamma-aminobutyric acid (GABA), so that the flavor and quality of the fermented bean curds are effectively improved, and the upgrading and updating of the traditional fermented bean curd industry are guided.

The invention relates to a method for planting a nursery stock in heavy saline-alkaline soil in an arid region. According to the method, a furrow is opened in the saline-alkaline soil, planting pits are dug in the furrow, haloduric tree seeds is chosen, the nursery stock is pruned and covered to resist salt and drought; in the early stage, drip irrigation with an exceeding amount and micro-region fertile soil are adopted; subsequently, through a nutrient method of combining planting through a haloduric green fertilizer used in the furrow and the micro-region fertile soil, external substrate conditions for the growth of root systems are created from little one to much one and from light one to deep one, and thus the purpose that as the plant grows, the salt reduction and soil improvement are conducted are achieved. According to the method for planting the nursery stock in the heavy saline-alkaline soil in the arid region, a short-term and long-term effect are both taken into consideration, the method is simple and feasible, saline alkali tolerant nursery stock protection, drip irrigation and water conservation, biological green manure and space-time dynamic micro-region fertile soil technologies are integrated, and thus a technological support is provided for sustainable development of greening and improvement of the saline-alkaline soil in the arid region.

The invention discloses a method for comprehensive treatment of crop planting in saline-alkali lands, which is used for the treatment and the planting in the saline-alkali lands and comprises the steps: (a) irrigation and salt elimination comprise underground salt elimination and ground surface salt elimination which are completed by three steps, wherein the underground salt elimination is firstly carried out for at least three days, the ground surface salt elimination is then carried out, and the underground salt elimination is repeated for 1-3 days at the third step; (b) the planting and salt reduction are realized by that a large area of suaeda salsa is planted, the irrigation and the salt elimination are conducted continuously before sprouting of the suaeda salsa and within two weeks after the sprouting, and the slightly wet irrigation is carried out at an interval when branching of the suaeda salsa is begun till the end of a growth peak period of the suaeda salsa; and (c) the planting of salt-tolerant crops is completed by that the slightly wet irrigation is continued for at least three days through the underground salt elimination, the large-area ground surface salt elimination is conducted for one time quickly, wheat is then seeded, the slightly wet irrigation is continued within one week after the seeding and after the sprouting, large flow irrigation is carried out for one time before the winter, and the slightly wet irrigation is carried out at an interval till the wheat gets ripe.

The invention discloses a kitchen waste disposal machine and method. The disposal machine comprises a pulverizer and a remover. The remover comprises a disposal chamber, a molding chamber, a disinfection and sterilization chamber, a vacuum packaging chamber, an oil removal chamber, a filtering chamber, a water storage chamber, a sludge chamber, a plastic extrusion chamber and a metal extrusion chamber. According to the disposal method, after food waste is pulverized in the pulverizer, liquid waste in the food waste can be subjected to separation through the disposal chamber, oil and suspended solid removal through the oil removal chamber and filtering oil and sediment disposal through the filtering chamber, and then clear water is generated and stored by the water storage chamber so as to be repeatedly utilized; after being subjected to oil removal and salt reduction, solid waste separated out through the disposal chamber enters the molding chamber to be pressed into blocky waste after the combined action of stirring and drying, and then the solid waste is disposed through the disinfection and sterilization chamber and the vacuum packaging chamber so as to be recycled and made into organic fertilizer or feed for pigs, chickens, ducks and other poultry; and plastic waste and metal waste are disposed by the plastic extrusion chamber and the metal extrusion chamber correspondingly so as to be recycled in a classification manner.

A high energy processed biomass / coal blended compact aggregate composition made with a blending sub-system from a processed organic-carbon-containing feedstock made with a beneficiation sub-system and high energy coal is described. Renewable biomass feedstock passed through a beneficiation sub-system to reduce water content to below at least 20 wt % and an intracellular water-soluble salt reduction of at least 60% from that of unprocessed organic-carbon-containing feedstock on a dry basis. The processed feedstock is blended with sized high energy coal in a blending sub-system to form a blended aggregate that comprises at least 10 wt % of a coal having an energy density of at least 21 MMBTU / ton (24 GJ / MT) and at least 10 wt % of a processed biomass comprising a processed organic-carbon-containing feedstock with characteristics that include an energy density of at least 17 MMBTU / ton (19 GJ / MT) and a water-soluble intracellular salt content that is decreased more than 60 wt % on a dry basis for the processed organic-carbon-containing feedstock from that of unprocessed organic-carbon-containing feedstock.

The invention provides an improvement agent for improving soybean saline and alkaline land soil. The improvement agent is prepared by mixing the following components in parts by weight: 2-3 parts of attapulgite, 3-4 parts of a weathered coal-sodium polyacrylate compound, 1-2 parts of lime, 1-2 parts of carbon residues and 1-2 parts of a micro element compound. Materials such as attapulgite and sodium acrylate are modified, grafted and polymerized to achieve the effects of water retention, fertilizer maintenance, salt reduction, alkali decreasing, soil loosening and the like so as to ensure that the saline and alkaline land soil for planting soybeans can be improved and a saline and alkaline land improvement fertilizer can be prepared by adding the materials into a fertilizer. Compared with the prior art, a method provided by the invention has the advantages of low cost, rich raw materials, environmental friendliness, high efficiency and the like.

Seasoning compositions which contain, with respect to 100 parts of potassium chloride, 1.5 to 70 parts by weight of histidine or its salt, 4 to 100 parts by weight of lysine or its salt, 2 to 100 parts by weight of sodium inosinate or sodium guanylate, 20 to 130 parts by weight of lactic acid or its salt, and 5 to 50 parts by weight of phosphoric acid or its salt; and seasoning materials which contain, with respect to 100 parts by weight of the seasoning composition, 1 to 100 parts by weight by solid content or powder content of a seafood extract / meat extract; can be used to prepare foods that are excellent in flavor such as favorableness of saltiness and depth and richness of taste and reduced in salt.

The invention provides a rainwater collection and salt isolation type solar greenhouse used for vegetable production in a saline and alkaline region. The greenhouse comprises a front wall and a rear wall, wherein a greenhouse film is arranged between the front wall and the rear wall, a skylight device is arranged at the top end of the rear wall and connected with an outward turning movable rear slope, and a triangular support is fixedly arranged on the rear wall; an inclined soil slope is arranged on the outer side of the front wall, and a water storage channel is formed between the inclined soil slope and the front wall; a rainwater collecting pipe is arranged on the rear wall; a water collecting pipeline is arranged underground in the greenhouse. The rainwater collection and salt isolation type solar greenhouse can simultaneously realize fresh water supply and effective utilization of soil in situ, integrates a rainwater collection technology and a salt reduction technology to form an integrated technology system and is convenient and effective. The movable rear slope design is disclosed, and the greenhouse has the advantages of being capable of collecting rainwater, facilitatingopening, reducing indoor humidity of the greenhouse and avoiding affecting normal production of vegetables and the like.

The invention provides an improver used in cotton saline-alkaline land and a preparation method therefor, composing of black alum, phosphogypsum, attapulgite, weathered coal-sodium polyacrylate complexes and carbon slag, and featured as follows: mixing evenly 1-2 parts of black alum, 1-3 parts of phosphogypsum, 4-5 parts of attapulgite, 1-3 parts of weathered coal-sodium polyacrylate mixture, 1-2 parts of carbon slag calculated by weight; modifying, grafting and polymerizing materials such as the attapulgite and the sodium acrylate; the materials have the effect of water conservation, fertilizer conservation, salt reduction, alkali subtraction, subsoiling and so on, so that the cotton saline-alkaline land soil could be improved, and saline-alkaline land improved fertilizer could be produced by adding into the fertilizer. Compared with the existing method, the method has the advantages of low cost, abundant raw materials, and high efficiency etc.

The invention discloses a large-scale forestation method for shrub species for especially-poor saline and alkaline land. The method comprises the steps of constructing a drainage system, carrying out forestation species selecting, carrying out soil amendment, carrying out land preparation bedding, carrying out mulching film covering, carrying out forestation and carrying out management. Compared with the prior art, the method has the advantages that no sandstone salt separating layer exists, a forest tree layer and soil interact, the depth of growth of roots can gradually increase, megaphanerophyte can gradually grow on forest land, and the survival rate of forestation is greatly increased; the cost of forestation greening of strongly-saline soil is remarkably reduced, and the forestation cost is not higher than 20 RMB per square meter; and the conventional agricultural measures are adopted, forest tree root growth layers can gradually promote the amendment and salt reduction of subsoil, forest trees and environment can form a healthy ecological system after the subsoil is subjected to natural salt reduction, irrigation is not required, and the management is hardly needed at the later stage.

The invention discloses a method for facility cultivation of grapes in coastal heavy saline-alkali soil. According to the characteristics of soil in coastal regions and the characteristics of shallowlayer transverse growth of grapevine main root systems and by means of original saline-alkali soil fertilization improvement, bottom layer isolation, closed conduit salt removal, dropper salt reduction and other composite water-salt regulation technologies, quick salt reduction of the coastal heavy saline-alkali soil within 3-5 days can be achieved, rhizosphere soil can be kept free of salt regain, grape production in original soil of saline-alkali wasteland with the soil salt content of about 15 g / kg is achieved, a new way is provided for efficient and modern agriculture development of coastal saline-alkali areas, and the method has important significance in efficient utilization of saline-alkali soil, sustainable development of regional agriculture and land security.

The invention discloses a method for retarding salt surface accumulation in a saline-alkali land of the Yellow River irrigation district and belongs to the technical field of soil improvement of saline-alkali lands. The method comprises the steps that a salt-reduction isolating layer is paved; animal rotten feces and saw timber powder are applied on the land surface; ploughing and irrigation are conducted to the surface of the saline-alkali land; a cofferdam, trapezoid soil heaps and inversed trapezoid grooves are trimmed; drip irrigation pipes are embedded; punching and applying of soil fertility fertilizers are carried out; and management of drip irrigation pipes is carried out. The method disclosed by the invention has the advantages that operations are simple; a soil water holding capacity is increased; nutrients are kept; soil looseness is enhanced; a soil hardening degree is improved; the ability of collecting rainwater and irrigation water is enhanced; soluble salt ions in the saline-alkali land soil can be rapidly leached into a plough layer, so that alleviation of the soil and nutrients on the surface layer does not take place easily; and polyacrylamide irrigation is adopted during different periods, so that the salt ions leached to deep soil layers are not easily delivered to the superficial layer soil with water, the salt surface accumulation can be retarded and the salt content can be reduced.

The invention relates to the technical field of controlled-release fertilizer and in particular relates to efficient controlled-release fertilizer applicable to saline-alkali soil and a preparation method thereof. The controlled-release fertilizer is prepared from the following raw materials in parts by mass: 10 to 15 parts of urea, 12 to 20 parts of potassium dihydrogen phosphate, 25 to 35 partsof tannic acid, 15 to 20 parts of ammonium humate, 20 to 35 parts of composted livestock manure, 100 to 120 parts of straw ash, 5 to 10 parts of a starch-based composite film, 5 to 12 parts of PAM (Polyacrylamide) and 20 to 25 parts of element fertilizer. The preparation method comprises the following steps: after sufficiently and uniformly mixing the urea, the ammonium humate, the potassium dihydrogen phosphate, the tannic acid, and the element fertilizer, drying and granulating; after cooling, carrying out enveloping treatment with the starch-based composite film; then mixing with the composted livestock manure, the straw ash and the PAM, which are sufficiently fermented, so as to obtain the efficient controlled-release fertilizer. According to the efficient controlled-release fertilizer, salt reduction and alkali reduction can be effectively carried out on the applied saline-alkali soil under the condition that microelements, necessary for growth and development of plants, are ensured to be contained. The problems of poor controlled-release function, low efficiency and the like of common fertilizer are solved; the fertilizer is not remained in the soil and the effect of effectively improving the saline-alkali soil can be realized.

The invention belonging to the technical field of afforestation provides a method for platform field afforestation of coastal heavily saline-alkali soil. The method comprises: a platform field is built in a coastal heavily saline-alkali field and seedlings are planted in the platform field; and a salt isolation layer is laid at the lower surface of the platform field and a membrane covers the upper surface of the platform field. With the method provided by the invention, the preservation rate is increased by 1.6 to 18.4 times after planting of 4 years and reaches 60 to 98%; the average salt reduction rate of the soil at the depth of 0 to 20 cm in the platform field is 97.523 %; the average salt reduction rate of the soil at the depth of 20 to 40 cm in the platform field is 97.796%; and theaverage salt reduction rate of the soil at the depth of 40 to 60 cm in the platform field is 94.464%. The method is operated simply. With the method provided by the invention, the survival rate and preservation rate of the afforestation can be increased obviously; the normal growth of the seedlings at the later stage is ensured; and the ecological and economic benefits are increased.

The invention provides a processing integration technology of instant fish sausage. The processing integration technology comprises the following steps of material selection, pretreatment, meat obtaining, rinsing, pre-dewatering, fine filtering and dewatering, super-high pressure pretreatment, chopping and mixing to prepare stuffing, sausage filling, cleaning and stand hanging, boiling, cooling, vacuum packaging, and sterilizing. The processing integration technology is characterized in that before chopping and mixing of the fish meat, the super-high pressure pretreatment is performed; duringchopping and mixing, icy ozone water is added, and I+G is added to realize the low-salt taste of the fish sausage; then, the steps of sausage filling, cleaning and stand hanging, boiling, cooling, vacuum packaging, and sterilizing are performed, so as to obtain the fish sausage. By adopting the technical method, the processing integration technology has the advantages that the problem of degradingof gel strength and quality due to single salt reduction in the preparation process of the fish sausage is solved; the technology of adding I+G into the fish sausage to realize low-salt taste is adopted, the mouth feel and flavor are improved, and the quality of the fish sausage is improved.

The invention discloses a synthesis method for 4-sulfonamidophenylhydrazine hydrochloride, which relates to the field of organic synthesis. The method includes the following steps: p-aminobenzenesulfonamide is dissolved in diluted hydrochloric acid to serve as a material I, sodium nitrite is dissolved in water to serve as a material II, stannous chloride is dissolved in concentrated hydrochloric acid to serve as a material III, and the material I and the material II undergo diazotization reaction after being preheated, so that diazonium salt is produced; the product and the material III undergo diazonium salt reduction reaction, and after processing, 4-sulfonamidophenylhydrazine hydrochloride is obtained. The method provided by the invention is safe and environmentally friendly, and the method remarkably increases yield and product purity in comparison with conventional methods.

The invention provides a Debaryomyces hansenii SH4 with a salt increasing effect, and belongs to the technical field of microorganisms. The strain is named Debaryomyces hansenii SH4, and is preserved in China General Microbiological Culture Collection Center on May 12, 2021, and the preservation number is CGMCC No. 22507. After the Debaryomyces hansenii SH4 is inoculated into a low-salt air-dried sausage (the addition amount of salt is reduced by 30%) for fermentation for 12 days, the bitterness and astringency of the low-salt air-dried sausage can be inhibited, the saline taste can be improved, and more aromatic hydrocarbons, nitrogen oxides, alkane compounds, sulfides and long-chain alkane substances can be generated. Sensory evaluation results show that the total acceptability is the best, and the air-dried sausage can be softer in texture and stronger in smell. Compared with a low-salt control group, the Debaryomyces hansenii SH4 has higher delicate flavor and color score and moderate sourness, and improves the quality and flavor of the low-salt air-dried sausage. The strain can be used as a novel salt reduction means as a fermentation agent, makes up for the flavor defects of low-salt fermented meat products, and has a better development prospect.