152results about How to "Reduced nutrient content" patented technology

The present invention is drawn to a unique apparatus and method for treating and reusing the wastewater discharged from agricultural animal farms. The apparatus and method of the present invention may be readily-sized and configured depending upon the amount and constituent(s) of the wastewater to be treated. In a first embodiment, the apparatus and method of the present invention is designed to be a zero discharge system in which no wastewater will be discharged or land applied. In use, the apparatus and method of the first embodiment may actually require addition of make-up water during periods of low rainfall to make up water losses due to evaporation and drift. It is contemplated that the only byproduct of the apparatus and method of the first embodiment may be a beneficial sludge if a sufficient number of installations are operated. In a second embodiment, the apparatus and method of the present invention provides a treatment system capable of reducing the nutrient loading in a step-wise fashion so that the wastewater can be used from different steps of treatment in order to apply the varying nutrient loads required by crops on a seasonal basis.

The invention relates to the field of brewing processes, and discloses a method for preparing a blueberry raw wine. The method for preparing the blueberry raw wine comprises the following steps of: adding acid-degradation wine yeast in an amount being 0.008-0.012 percent by mass of blueberry pulp into the blueberry pulp, fermenting until the sugar degree is less than 5g/L, filtering and collecting blueberry juice; and adding lactic acid bacteria in an amount being 0.008-0.012 percent by mass of the blueberry juice into the blueberry juice, fermenting until total acidity of the blueberry juiceis less than or equal to 10g/L and filtering to obtain the blueberry raw wine. The invention also provides the blueberry wine which comprises the blueberry raw wine prepared by using the method and common additives for fruit wine. By adopting the method, the total acidity in the blueberry raw wine is reduced; each process is convenient and simple; and the method can be widely applied to wine industry. Meanwhile, the blueberry wine has low total acidity, good mouthfeel, low sugar, low alcohol, high raw wine content and rich nutrient components and is suitable for general consumers.

The invention discloses a comprehensive technology for the ecological restoration of low-pollution river water. The technology constructs the low-pollution river water environment comprehensive control engineering treating flowing water as a base, treating ecological restoration as a core and giving consideration to the landscape improvement through the integration and optimization of ecologic restoration combination techniques comprising a water power control technique, a polluted basement restoration technique, an underwater microtopography shaping technique, an aquatic plant recovery technique, an aquatic animal restoration technique, an aquatic life reinforcement technique, a water landscape construction technique and the like. The comprehensive technology has a good pollutant removal performance, and the TN, NH3-N and TP reductions reach 75.5%, 84.5% and 92.0% respectively.

The invention provides a device for removing algae in a eutrophicated water body by a mobile floatation platform and an application method thereof, relating to the technical field of environmental protection. The invention can effectively solve the problems of excess dependence on the ship hull, complex structure, high construction and operating cost, incapability of providing appropriate floatation separation environment, low utilization ratio of microbubbles, unideal separation efficiency and the like in the existing floatation ship alga removal device. The device is composed of a floatation separation system, a floating alga residue collecting system, an ultrasonic alga eliminating system, an alga residue dehydration system and the like. A microbubble modifier can be added into a microbubble generation system to enhance the sticking probability between the microbubbles and the alga cells. The device can implement in-situ separation and collection of alga cells in the eutrophicated water body, has an oxygenation aeration function, and can remove nutrient substances capable of inducing large-scale growth of algae to some extent. Besides, the device can be applied to the field of oil sludge separation and collection in a water body.

An exemplary method of treating nitrogen-contaminated wastewaters, especially those with high ammonia concentrations, according to the invention includes the steps of ammonia degassing and recapture, and of nutrient assimilation with microalgae. Organic nitrogen, organic carbon, phosphorus, heavy metals and other compounds may also be removed in different embodiments of the invention. Examples of applicable wastewaters include landfill leachate, municipal solid waste anaerobic digester effluent, agricultural anaerobic digester effluent, municipal wastewaters, agricultural wastewaters, and other similarly contaminated wastewaters.

The invention provides a vegetable residue, crop straw and livestock and poultry excrement combined composting process. An aerobiotic and anaerobic combined composting mode is adopted in the process. The process comprises the steps of material pretreating, mixing, composting, primary fermenting, secondary fermenting, thorough decomposing, sieving or smashing, compost preparing and the like. Crop straw with a high-carbon nitrogen ratio is used, and the problems of high moisture content, low carbon-nitrogen ratio and poor air permeability existing in the high-temperature aerobiotic composting process of vegetable residues are effectively solved; according to the process, the nutrients and moisture of the vegetable residues can be utilized, harmless treatment can be carried out on the vegetable residues, the crop straw and livestock and poultry excrement through high-temperature composting, organic compost is produced, and resource utilization of planting and breeding waste is achieved.

The invention discloses a green roof for regulating and controlling aiming at the defects of high radial flow and pollution load yield of a hard roof in a city during rainy days. The green roof consists of a vegetable layer, a plant layer, a filter layer, a drain layer and a waterproof layer, wherein the vegetable layer comprises plants with strong capability of resisting drought stress and controlling nitrogen and phosphorus and is extensively managed; the planting layer is formed by mixing fly ash, porcelain granules and sandy loam or loamy sand; the filter layer comprises geotextile and waste sponge; and the drain layer consists of light filler. The green roof has the following advantages that the planted plants have strong survivability and are simply managed; nutrient substances in the planting layer have low background content, so that the phenomenon that nutrient salts are separate out caused by a leaching action during rainy days is avoided; the filter layer not only has a favorable capability of intercepting the granules, but also has stronger capabilities of absorbing and storing water; the drain layer consists of a waste rod brick and tile sheet, porcelain granules or slag with a certain mechanical strength; the green roof has small density; and in addition, the water quality of a radial flow of the green roof is further ensured by using an adsorption performance of the green roof.

The invention discloses a fermentation composite fertilizer suitable for greenhouse vegetable planting and a preparation method thereof, belonging to composite fertilizers, and particularly relating to an organic fertilizer with addition of bacterial cultures. The fermentation composite fertilizer is characterized by being prepared through aerobic fermentation of microbial inoculum by taking alcohol anaerobic tank mud as a main raw material; and the fermentation composite fertilizer comprises the following raw materials in weight fraction: 680-810 the alcohol anaerobic tank mud with water content of 50-55wt%, 10-15 coal ash, 60-70 coal dust, 50-60 phosphor gypsum, 3-5 potassium chloride or potassium sulfate, 9-11 urea, 45-55 ground phosphate roc, 1.5-2 streptomyces microflavus and 1.5-2 multi-element composite enzyme microbial inoculum. The invention provides the resource-saving and environment-friendliness type biological organic fertilizer which can be used for increasing vegetable quality, improving soil, supplying balanced fertilizer, controlling loss of inorganic fertilizer, protecting the environment, ensuring that vegetable products reach a green food standard and carbon-sourced substances and microbial bacteria in the organic fertilizer achieve the effects of physiological stimulation and metabolism reinforcement for crops. In addition, the organic fertilizer has complete nutrition.

The invention provides a biomass organic fertilizer and a preparation method thereof, which belong to the field of biomass fertilizer production. The biomass organic fertilizer comprises the following raw material in parts by weight: 20-30 parts of stalk carbon, 30-40 parts of livestock and poultry night soil charcoal, 21-44 parts of decomposed chicken manure, and 5-10 parts of pyroligneous liquor. The decomposed chicken manure is composed of chicken manure and a fermentation inocula and a stabilizing agent through fermentation, the fermentation inocula comprises Bacillus licheniformis, bacillus subtilis and aspergillus oryzae. The biomass organic fertilizer has the advantages of good fertilizer efficiency and no chemical pollution.

The invention discloses a method for inhibiting lepidium meyenii myrosinase activity. The method comprises the step that maca is subjected to short-time heat treatment by using stem, wherein fresh lepidium meyenii is blanched in high-temperature steam, such that activity of myrosinase in lepidium meyenii is inhibited or deactivated. The method has high lepidium meyenii myrosinase deactivation efficiency. With the method, myrosinase activity is low, such that lepidium meyenii storage life or shelf life can be prolonged. Also, with the method provided by the invention, glucosinolate content in prepared lepidium meyenii is maintained high, such that lepidium meyenii bioactivity is well maintained, and original nutrients and appearance quality in lepidium meyenii are well preserved. Also, the method is simple and feasible, and energy-saving. The method has the advantages of low cost, good working environment, good sanitary environment, and no pollution.

A neonatal enteral feeding system for delivering neonate fluid is disclosed. The system includes a cooling unit for cooling the breast milk before, during and after a feeding cycle to mitigate unwanted bacterial growth and reduction of fat content in the breast milk. The system also includes a warming unit for heating the cold breast milk to a temperature above room temperature (preferably, standard body temperature) so that the neonate can focus his or her energy on healing, growth and digestion instead of heat generation. Additionally, the system has a peristaltic pump which draws the breast milk from a bottom side of the container and the container is vented so as to be capable of delivering all of the breast milk in the container to the neonate.

The invention relates to organic fertilizer special for soil of tidal flat and saline-alkaline land and a preparation method and application thereof. The organic fertilizer comprises, by mass, 85-90 parts of cow dung, 5-10 parts of crop straw, 2 parts of calcium sulfate and 3 parts of charcoal. The technical bottleneck in quick improvement of the soil of the tidal flat and the saline-alkaline land is solved effectively; the special organic fertilizer is prepared from the cow dung, the crop straw, calcium sulfate and charcoal, so that formation of tidal flat soil aggregate can be facilitated effectively, soil resalinization can be reduced, pH can be lowered, organic matters and nutrients like N and P of the soil can be increased, structural improvement and fertilization of the soil of the tidal flat and the saline-alkaline land are promoted effectively, and a guarantee is provided for increasing agricultural cultivated land reserves of China.

The invention discloses a preparation method of orange brandy The preparation method comprises the following steps of: (1), juicing sorted and washed oranges, and cleanly washing, shelling and juicing the oranges; (2), carrying out wine yeast cultivation; (3), pasteurizing the orange juice; (4), adding 1% of wine yeast into the orange juice, and fermenting in a sealed manner at 20-30 DEG C for 7 days; (5), distilling: firstly, directly carrying out crude distillation, and cutting the wine tailing when the alcohol content of the solution to be distilled is 1.5-2.5%, so that the crude distillation orange wine with the alcohol content of 26-29% is obtained; and then, after pinching the foreshot of the obtained crude distillation orange wine, slowly distilling till the concentration of the distilled wine solution is decreased to 38-44 DEG, and then, cutting the wine tailing; and (6), storing, allocating, filtering and loading. The preparation method of the orange brandy disclosed by the invention is characterized in that the distillation method is adopted for two times; aroma components, such as aldehydes, esters and high-grade alcohols are collected; the orange brandy processed by the method is clear and transparent, unique in flavour, refreshing and pleasant, and has full-bodied orange aroma and harmonious wine aroma.

A covering material for stacks and beds for mushroom cultivation made up of 50 to 80 percent by volume filter cake from paper manufacturing and 20 to 50 percent by volume aggregate such as peat, vegetable fibers, milled limestone and/or marl with improved water storing capability and reduced nutritive content.

The invention provides an organic camellia oil production process which comprises the following steps of: drying; sorting; uniformly stacking, bagging; squeezing oil; carrying out molecular deodorization; and freezing. According to the invention, camellia fruits are dried with hot air at constant temperature, and hot-air temperature is controlled to be between 30 DEG C and 50 DEG C to prevent the raw material from being burnt and protect the original nutritional components and active components in the raw material from being damaged, so that the original nutritional components contained in the camellia oil are retained. The organic camellia oil production process provided by the invention can increase the camellia oil contained in same camellia fruits by 20%, save the cost by 20% and increase the nutritional components by 35%. According to the organic camellia oil production process, in the early-stage raw material processing and control, benzopyrene content, acid value and peroxidation value of camellia oil reach the national standards; only molecular deodorization and frezzing process are carried out on the camellia oil in the later stage without addition of any additives, the nutritional components of the camellia oil are greatly improved, thereby achieving really organic, original and gree camellia oil; moreover, the processing cost is reduced by 28%.

The invention relates to a plant-growth regulator which comprises the following ingredients, by weight, 0.01-1% of heteroauxin, 0.1-15% of cloxyfonac and 0.001-1% of forchlorfenuron. The ingredients of the plant-growth regulator can play a synergistic role. Growth and rest laws of crops can effectively be broken, pregnancy of pollen is raised, fruit setting is promoted, nutrient substances distribution is regulated, and fruits are enlarged. Thus, yield of fruits is raised remarkably. Meanwhile, the defect that a conventional compounded growth regulator has negative effects on crops can effectively be overcome, and loss of nutrient content in fruits is avoided.

The invention discloses an artificial wetland system and a method for treating wastewater containing nitrogen and phosphor with the artificial wetland system. The system comprises a water distribution region which is used for introducing the wastewater containing nitrogen and phosphor into the artificial wetland system, a functional region which is used for removing nitrogen and phosphor elements in the wastewater and a drainage region which is used for draining nitrogen and phosphor removed wastewater out of the artificial wetland system, which are arranged from top to bottom sequentially. According to the artificial wetland system, the proportion of ion content in the wastewater containing nitrogen and phosphor can be regulated, so that a struvite seed crystal can be formed by the wastewater containing nitrogen and phosphor in the functional region, struvite fertilizer can be effectively formed by nitrogen and phosphor elements and deposited on the filler surface, entrapment, adsorption and enrichment of the system on nitrogen and phosphor elements in the wastewater can be promoted, and the wetland plant roots can constantly decompose and absorb nitrogen and phosphorous substances and constantly generate struvite to achieve dynamic balance. The artificial wetland system can stably run for a long time, has high denitrification and dephosphorization efficiency, can sustainably supply fertilizer to plants, and can meet environment protection requirement and realize resource reasonable utilization.

The invention discloses a preparation method of mould-proof bamboo plywood with high bonding strength. The preparation method comprises steps as follows: bamboo curtains are ultrasonically treated and then dried; the dried bamboo curtains are subjected to plasma treatment; the bamboo curtains subjected to plasma treatment are dipped in glue adopting a modified epoxide resin adhesive; after glue dipping, the bamboo curtains are dehumidified and then assembled to form a blank; hot-pressing solidification is performed. The modified epoxide resin adhesive comprises components in parts by weight as follows: 50-60 parts of epoxy resin, 30-40 parts of phenolic resin, 15-20 parts of polyurethane resin, 2-5 parts of silicon resin methyl branched silicon oil, 1-3 parts of dipentaerythritol, 3-6 parts of polyborosiloxane, 15-18 parts of sepiolite, 5-8 parts of nano magnesia, 7-10 parts of corn starch, 0.4-1 part of an anti-ageing agent and 2-3 parts of butyl p-hydroxybenzoate. By means of the preparation method of the mould-proof bamboo plywood with the high bonding strength, the bonding strength of the obtained bamboo plywood is high, the water absorption expansion rate is low, and the corrosion resistance is excellent.

The invention discloses a refining treatment technology of camellia oil. The technology comprises addition of phosphoric acid for degumming, alkali refining with sodium hydroxide, washing with water at 80-95 DEG C, oil and water separation, vacuum drying, decolorization through combination of vacuum and a decolorizing agent, deodorization at 210-220 DEG C, cooling crystallization and dewaxing. The technology has the advantages as follows: the acid value is adjusted effectively and the storage performance and quality of the camellia oil are guaranteed; excessive loss of nutrients is avoided, the damage degree of vitamin E is reduced, and efficient decolorization and degreasing can be realized.

The invention provides a purification device for aquaculture tail water. The purification device comprises foam float pieces, steel pipes and a nylon net, wherein the foam float pieces are tied to thesteel pipes, and a square is defined by the four steel pipes tied with the foam float pieces floats on the water surface; the nylon net extends upwards out of the water surface and goes deep downwards into the water, and the parts, extending upwards out of the water surface, of the nylon net are tied to the steel pipes through ropes; a floating plant control-culture fence is defined by the square, defined by the four steel pipes tied with the foam float pieces, and the nylon net tied to the steel pipes; the lower end of the nylon net is weighed down by a stone cage filled with stone. The purification device for the aquaculture tail water can realize purification of the aquaculture tail water, occupies little space and is low in cost, simple to maintain and high in purification efficiency.

The invention discloses a processing technique for treating rubber block processing wastewater of a rubber latex processing plant, which comprises the following steps of: treating rubber latex solidified waste solution and rubber block processing wastewater, and establishing a plurality of continuous sedimentation filter tanks according to the discharge of the rubber block processing wastewater; before the rubber latex processing plant starts operating every year, cleaning the filter tanks, and fully filling the filter materials such as bagasse and the like into the plurality of continuous sedimentation filter tanks according to the volumes of the filter tanks; according to the condition of the final outlet wastewater of the filter tanks, the number of the filter tanks and the annual rubber latex processing time, gradually exchanging the bagasse or coconut fibers or banana cauloids in the filter tanks from the filter tank of the most front end, so that the filter capacity of the filter fermentation system is kept in dynamic balance and update; and preparing microbial culture mother solution containing probiotics such as yeast, lactic acid bacteria, bacillus licheniformis and the like, mixing, piling and fermenting the microbial culture mother solution, a sugar source, phosphate rock powder and the exchanged filter materials, and properly drying the fermented product to form a solid biological fertilizer. Generally, the method is simple, low in implementation and maintenance costs and the like.

The invention discloses a hydroponic plant and filter dam combined eutrophication water body ex-situ remediation system. The system consists of a water inlet and diversion system, a water dropping platform, a coarse sand-cress composite ecological filter dam, a fine sand-coal ash-ryegrass composite ecological filter dam, a fine sand-bermuda grass filter dam and a water outlet and diversion system; the water inlet and diversion system consists of a water elevator and a water distribution channel; the water outlet end of the water elevator is arranged in the water distribution channel; the water discharge end of the water distribution channel is sequentially provided with the water dropping platform, the coarse sand-cress composite ecological filter dam, the fine sand-coal ash-ryegrass composite ecological filter dam, the fine sand-bermuda grass filter dam and the water outlet and diversion system; the water discharge end of the water distribution channel is communicated with the water inlet end of the coarse sand-cress composite ecological filter dam through the water dropping platform; and the system has a simple structure, and is low in running management cost, and good in effect, can adapt to purifying water in heavily contaminated urban riverway, and remediating the water quality of slightly contaminated riverways, and is strong in adaptability.

The invention discloses a macadamia nut microwave vacuum drying process, belonging to the technical field of food processing. The macadamia nut microwave vacuum drying process comprises the steps of sorting, microwave vacuum drying, vacuum packaging and storing. A microwave vacuum drying technology is applied to drying of macadamia nut, thus a drying period of the macadamia nut is reduced to 40-90 minutes from the original 2-5 days, energy consumption is greatly reduced, and production efficiency is improved, quality of the nut is improved, product taste is more crisp, colour and lustre are obviously improved, and storage period of the macadamia nut is prolonged; besides, the microwave vacuum drying technology is introduced, thus drying of the macadamia nut is easier to control in real time and automatic production is realized.