443results about How to "Increase economic value added" patented technology

The invention discloses a method for preparing a suaeda salsa biogenetic salt. The method comprises the following steps of: taking parts, such as stems and leaves, above roots of fresh suaedasalsa; juicing; adding water into residual solid parts and extracting once; mixing the two liquids; and performing enzymolysis, boiling, decoloration, heavy metal removal, concentration and crystallization onthe mixed liquid, thus obtaining a finished product. The yield of the product is 1.2-2.1%. The product comprises inorganic salts serving as major ingredients and natural organic matters serving as minor ingredients. The inorganic salts mainly comprise sodium chloride, potassium chloride and magnesium sulfate as well as a trace amount of trace elements (Ca, P, Fe, Zn, Se, I, Cu and Mn) and the organic matters in the product mainly comprises vitamins, amino acid and polysaccharide. During preparation, any chemical substances are not required; furthermore, the raw materials are abundant, readilyavailable and low in cost, and have extremely high economic additional value; and moreover, the preparation method is simple and feasible, is easy to produce and operate, and is wide in market prospect.

The invention discloses a method for extracting a Beta-dextran in highland barley bran and preparing a highland barley dietary fiber, belonging to the field of food processing. The method comprises the following steps of: extracting and centrifuging the highland barley bran taken as raw material at an alkaline condition by zymohydrolysis of secondary cellulose, thus obtaining a deposition A and a supernatant; depositing and centrifuging the supernatant under an acidic condition to remove albumen; adding a high-temperature resistant Alpha-amylase into the supernatant under a neutral condition for zymohydrolysis; centrifuging, depositing in water, depositing and re-dissolving the supernatant by water, centrifuging and taking the supernatant; repeatedly depositing the supernatant by a ammonium sulphate and obtaining the Beta-dextran product; adding a composite enzyme in the deposition A for zymohydrolysis; adding a hydrogen peroxide in the deposition A for decoloring; washing the deposition A repeatedly by water; obtaining a solid by centrifuging; and drying the solid at low temperature to obtain the highland barley dietary fiber. The method can sufficiently utilizes the highland barley bran, obtains two products of Beta-dextran and dietary fiber, effectively improves the economical additional value of the highland barley bran and has important realistic significance and wide application prospect for developing high-tech industries.

The invention discloses a 10 kV line loss and low voltage district line loss management analysis method, and belongs to the field of power supply. The method comprises the steps that a distribution network line loss standardization management mode and a line loss management system are built; all links of line loss work are arranged, the work focus of line loss management is grasped, a point-like line loss management mode is formed, and the integrated line loss management mode is guided through clear labor division and tacit cooperation, so that the line loss rate of power supply enterprises is gradually lowered, electric energy consumption in the power supply and distribution process is reduced, and the economical increase value of power supply enterprises is improved. By building the standard line loss management application system, an assistant decision support is provided for user fault repair and positioning, high-load distribution transformer transformation, district load distribution and the like, the phenomena such as equipment damage caused by late fault repair and long-time overload are effectively reduced, and the economic loss value of power supply enterprises is remarkably lowered. The 10 kV line loss and low voltage district line loss management analysis method can be widely used in the field of power supply management and energy conservation.

The present invention belongs to the field of ecological engineering technology. The biomass of the strand mallow is large, its body interior contains a great quantity of biomass energy. Said invention is characterized by adopting various measures to develop and utilize biomass energy of every portion of strand mallow and converte it into salt-tolerant plant with higher economic benefits.

The invention relates to a sectional material for houses and floors, which comprises two layers of different materials which contain synthetic resin. The ratios of main components of the inner layer material of the sectional material by weight are 100 portions of PVC, 0.8 to 1 portion of foaming agent, 5 to 6 portions of composite stabilizing agent and 7 to 9 portions of regulator; the ratios of the main components of the outer layer material by weight are PVC, plant material, composite stabilizing agent, pigment and adhesive; the two layer materials are pressed, molded and processed to become the sectional material. By adopting the ratios and the processing method provided by the invention, the sectional material produced has a color and a texture which are similar to the wood and a relatively high structural intensity, meanwhile the application of plant materials, such as wood powder, etc., are reduced in the production, thereby protecting the environment.

The invention relates to a method for preparing phosphatidylserine and phosphatidylcholine, and belongs to the field of food health-care products. The method comprises the following steps of: extracting soybean meal phospholipid which is used as a raw material by an organic solvent, and then distilling and drying to respectively obtain a phosphatidylcholine crude product and a phosphatidylserine crude product; and separating and purifying the phosphatidylcholine crude product and the phosphatidylserine crude product through a silica gel column of 200-300 meshes, eluting with a mixed organic solvent, concentrating the eluant, and drying to obtain phosphatidylserine and phosphatidylcholine. According to the method, the purities of the phosphatidylserine and the phosphatidylcholine meet requirements of new resource foods, so that the phosphatidylserine and the phosphatidylcholine can be used as new resource dietary supplements and have high economic added values; and the phosphatidylserine and the phosphatidylcholine are prepared at the same time by effectively combining simple extraction of the phosphatidylserine and the simple extraction of the phosphatidylcholine. By the method, the production time is shortened, the production cost is reduced, the production rate is improved, the operation is simple, and the products have safety.

The invention belongs to the technical field of a building material, and particularly relates to an active compound activator of phosphorous slag powder and a using method thereof. The active compound activator is compounded of industrial waste carbide slag, desulfurized gypsum, and chemical reagents (or industrial materials) sodium silicate, aluminum sulfate and sodium hydroxide. A plurality of activation compound effects of alkali-activation, basic salt-activation, sulfate activation and the like are mainly utilized to completely activate the activity of the phosphorous slag powder. By adopting the product disclosed by the invention, the activity of the phosphorous slag powder can be effectively activated; the problems of delayed coagulation, low early strength, slow strength development and the like existing when the phosphorous slag powder is used as concrete or mortar admixture are obviously relieved. By adopting the active compound activator, application of the phosphorous slag powder as the admixture in the industries such as cement and concrete can be facilitated, waste materials are changed into precious materials; the economic benefits are improved; meanwhile, the problems of environmental pollution, soil waste and the like caused by stocking of a lot of phosphorous slag also can be solved; the environmental benefits are improved. In addition, the problem of shortage of excellent admixtures such as coal ash, slag powder and the like in the industries such as cement and concrete also can be relieved.

The invention relates to a method for joint production of natural gas and liquid ammonia by using coke oven gas and blast-furnace gas. The method comprises the following steps: firstly, pressurizing the coke oven gas through a Roots blower or a screw compressor; feeding to the compressor and carrying out first-stage and second-stage compression pressurization through a temperature swing adsorption device; carrying out third-stage compression pressurization through the compressor after passing through a pressure swing adsorption decarburizing device; feeding to a coke oven gas desulphurization device, feeding to a methane synthesis device and obtaining a natural gas or liquefied natural gas product through the pressure swing adsorption device or a cryogenic separation device; carrying out first-stage and second-stage compression pressurization on the coke oven gas through the compressor, mixing with vapor, feeding to a sulphur-tolerance shift device, and carrying out low-temperature sulphur-tolerance shift; sequentially feeding to a blast-furnace gas desulphurization device, the pressure swing adsorption decarburizing device and a pressure swing adsorption denitrification device; and mixing the purified blast-furnace gas with nitrogen and hydrogen, which are separated from the coke oven gas, then carrying out third-stage, fourth-stage, fifth-stage and sixth-stage compression pressurization through the the compressor, and feeding to a synthesis ammonia device after passing through a methanation device, so as to produce an anhydrous liquid ammonia product.

The invention belongs to the field of paper pulp manufacturing and particularly relates to a method for utilizing a bamboo raw material to produce high-polymerization-degree dissolving pulp. The method is characterized by comprising the steps of material preparation, prehydrolysis, hot alkali extraction, alkaline method cooking, oxygen bleaching, bleaching and acid treatment and the like, and the clean pulping method for the high-polymerization-degree bamboo pulp solves the problems that existing production raw materials for the high-polymerization-degree dissolving pulp is sufficient, the technology falls behind, and pollution is severe, and the like. The polymerization degree of the manufactured bleached bamboo pulp is over 2000, the whiteness is over (90+/-2)%ISO, a-cellulose is over 96%, the ash content is below 0.1%, the Fe ion is below 20ppm, S18 is below 3%, S10 is below 4%, and (S10-S18) is below 2%.

The invention discloses ecological and environmental protection type pervious concrete prepared from waste concrete. The pervious concrete is prepared from raw materials in percentage by weight as follows: 65.5%-79.5% of recycled aggregate composition, 1.2%-2.4% of recycled concrete micro-powder, 14-19.5% of cement, 2.4%-4.8% of granulated ferrochrome slag powder, 0.1%-0.3% of a water reducing agent, 0.1%-0.3% of a modifier, 0.1%-0.2% of Welan gum and the balance of water. According to the ecological and environmental protection type pervious concrete, a large quantity of construction garbage and waste residues are consumed, exploitation of natural resources is reduced, the cost is reduced, the added economic value of the construction garbage and the waste residues is increased, development of the construction garbage resource treatment and utilization industry is promoted, and the concrete has the significant economic benefit and social benefit; the modifier and the Welan gum are used, the reactivity of aggregate and an additive in the pervious concrete is improved, and the strength of the concrete is significantly improved on the premise that the permeability performance is guaranteed.

The invention discloses a method for preparing high-activity nattokinase by taking black beans as raw material, belonging to the technical field of biology. The method comprises the following steps: soaking the black beans by using a special nutrient solution, cooking the black beans after soaking and further inoculating bacillus natto to perform fermentation, wherein the special nutrient solution comprises the following components: lactose, tryptone, Na2HPO4, NaH2PO4, MgSO4 and CaCl2. The method further comprises the steps of performing extraction separation and freeze-drying on a fermentation product. The nattokinase obtained by adopting the method has high enzyme activity, which can achieve 42500IU/g, and the nattokinase has the advantages of high enzyme activity, low ammonia smell and good taste in comparison with the nattokinase produced by taking yellow beans as the raw material and performing a traditional fermentation method; and the content of nutritional components in obtained fermented black bean residue is also obviously improved. The method has the advantages of short fermentation period, simple preparation process and high bioavailability, and is conductive to industrial production.

The invention provides a method for preparing an insoluble tea-leaf dietary fiber. The insoluble tea-leaf dietary fiber is prepared from tea leaves serving as raw materials by drying, coarse grinding, acid treating, alkali treating, degreasing, decoloring, drying and crushing. The insoluble tea-leaf dietary fiber has high intermediate product whiteness, high organoleptic quality and high water holding capacity and expansibility. By utilizing the tea leaves to prepare the insoluble dietary fiber with high activity, the method realizes comprehensive utilization of tea processing and remarkably increases economic value added.

The invention provides a preparation method of active carbon as well as active carbon prepared by taking giant reed as a raw material. Stove ashes are taken as an additive, and alkali metal salts rich in the stove ashes can be utilized to greatly accelerate the separation velocity of volatile components in the raw material, so that the carbonization time is shortened and the product quality is improved. The preparation method comprises the steps of carbonization, activation, winnowing separation, acid-washing and ash-removing, rinsing and drying. By virtue of the preparation method of the giant reed active carbon, not only are waste plant resources of a constructed wetland sufficiently utilized to improve the economic value added of the wetland plants and broaden a raw material source channel for active carbon production, but also the time consumption in a preparation process is shortened to a certain extent to improve the product quality, and thus the preparation method has the advantages of low cost, a simple preparation process and the like.

The invention provides poultry feather protein viscose silk and a manufacturing method thereof. The poultry feather protein viscose silk is characterized by being prepared from the following raw materials in percentage by weight: 5 to 15 percent of poultry feather protein and 85 to 95 percent of organic fibers. The poultry feather protein viscose silk is reliable in strength, high in chromaticity, wide in application range and high in economic additional value, can improve the comfortableness with skin, has a certain function of ultraviolet absorption and radiation protection, can be manufactured into functional textile shell fabrics of the new generation and has the great commercial value.

The invention relates to a method for preparing food-grade bamboo vinegar by taking bamboo wood as a raw material, which is characterized by comprising the following steps of: a, preparing refined bamboo vinegar, namely crushing the bamboo wood into bamboo chips, performing dry distillation and carbonization on the bamboo chips, performing two-stage condensation, mixing the bamboo vinegar obtained by the two-stage condensation in a mixing tank, and standing and purifying; and b, preparing the food-grade bamboo vinegar, namely performing three-stage distillation and condensation on the refined bamboo vinegar obtained in the step a, and collecting condensate obtained by the third stage distillation and condensation in a storage tank so as to prepare the food-grade bamboo vinegar which is pure, colorless and free from smoke odor. The invention also relates to the food-grade bamboo vinegar, which is pure, colorless and free from the smoke odor, prepared by the method, and application of the food-grade bamboo vinegar in food and health care products.