115results about How to "Reduce acidification" patented technology

The invention discloses a modifier for acidized bamboo soil, which comprises the following materials by weight percent: 45-55% of lime nitrogen, 20-30% of biomass carbon, 10-20% of calcium oxide, 5-10% of magnesium oxide and 5-10% of trace elements. The modifier for acidized bamboo soil provided by the invention is prepared by taking the lime nitrogen and biomass carbon as main parts and matchingwith the trace elements, is capable of repairing and treating the acidized bamboo soil, is capable of preventing and treating soil-borne pest and disease damage and balancing the requirement for the nutrition of the trace elements in bamboo, and has the three functions of 'acid-controlling, pest-treating and nourishing'. The modifier for acidized bamboo soil and the special fertilizer for the bamboo are applied together, so that the acidification of the bamboo soil is thoroughly eliminated, the repairing for the acidized soil is economically and efficiently realized, the soil-borne pest and disease damage is prevented and treated, the soil fertility is quickly increased and the yield and quality of the bamboo are increased.

The invention relates to high-efficiency microbial organic fertilizer prepared from methane slag. The high-efficiency microbial organic fertilizer mainly comprises methane slag, plant growth regulator, microbial functional bacteria, binder and disintegrating agent which are used as active ingredients. The high-efficiency microbial organic fertilizer comprises the following components in percentage by weight: 30.0 to 85.0 percent of methane slag, 0.001 to 3.0 percent of plant growth regulator, 0.1 to 1.0 percent of microbial functional bacteria, 0.5 to 1.0 percent of binder and 3.0 to 10.0 percent of disintegrating agent and the balance of other aids and fillers which are allowable and acceptable in chemical fertilizer and pesticide. The high-efficiency microbial organic fertilizer is abundant in organic matters, amino acid, nitrogen, phosphorus, potassium, trace elements and the proper plant growth regulator, and can obviously improve fertilizer efficiency of the methane slag, reduce the using amount of the methane slag, regulate growth of potatoes, obviously increase the yield of the potatoes and improve the quality of the potatoes. The high-efficiency microbial organic fertilizer is mainly applied to planting of the potatoes, Chinese medicinal materials and vegetables.

The invention mainly discloses a heavy metal passivating and nitrogen-preserving method in a livestock manure aerobic composting process. The method comprises the following steps: according to a certain proportion and sequence, mixing livestock manure, a heavy metal passivating material, a biochemistry inhibitor and a conditioner, and performing aerobic composting, wherein according to parts by weight, an adding proportion of the livestock manure, the heavy metal passivating material, the biochemistry inhibitor and the conditioner is 1:0.005-0.2:0.001-0.01:0.3-0.5, and the heavy metal passivating material comprises one or more of modified charcoal, modified ground phosphate rock, modified zeolite, modified sepiolite and lime; and ventilating and turning over in natural conditions, composting for 30-45 days. The method is capable of performing the aerobic composting by using livestock and poultry industry and agriculture organic wastes of the livestock manure, straw and the like as rawmaterials, providing technical guidance for reducing heavy metal bio-availability in the livestock manure and reducing nitrogen nutrient loss, acquiring a high-quality organic fertilizer, and providing a scheme for agricultural healthy sustainable development.

A process for radically treating the acidic sewage of non-ferrous metal mine includes spreading the alkaline ore tailings on the sulfide ore body, waste rock stack, mining surface and slope, periodically spraying the alkaline sewage (alkaline liquid, ore concentrate overflow liquid, and tailings overflow liquid) generated by dressing the non-ferrous metal ore, and collecting the osmotic liquid for reusing it for ore dressing.

The invention discloses a soil improvement agent. The soil improvement agent is prepared from the following raw materials in parts by weight: 10-20 parts of bentonite, 5-8 parts of zeolite powder, 13-18 parts of plant straws, 15-25 parts of bean pulp, 8-13 parts of waste tobacco leaf dottle, 10-20 parts of polyacrylamide, 2-3 parts of boric acid, 10-18 parts of humic acid, 4-7 parts of chitosan, 2-3 parts of potassium sulfate and 3-4 parts of a mixed strain. A preparation process of the soil improvement agent is simple, the raw materials are sufficient, and the soil improvement agent is low in cost, has a good improvement effect and is used for preventing and controlling soil acidification and salination, so that the problem that the sustainable utilization of soil is influenced by quality reduction of soil is solved.

A method for treating city garbage includes such steps as classifying the garbage into the garbage A able to be biologically decomposed and the combustible garbage B, loading the garbage A in marsh gas pool to generate marsh gas, using the marsh gas to burn the garbage B in incinerator and installing the duster in the chimney of incinerator to remove the dust from fume.

The present invention relates to a method for producing an acidified product using an enzyme having transglutaminase activity.

The invention discloses an iminodiacetic acid energy saving cleaning production method which comprises the following steps: 1) an iminodiacetic acid saline solution as a raw material enters into a bipolar membrane electrodialysis system for bipolar membrane electrodialysis treatment, the salt room pH is controlled within 3-4 to obtain an iminodiacetic acid salt and iminodiacetic acid mixed solution, and an alkaline solution is obtained in an alkali room; 2) an acid is added into the iminodiacetic acid salt and iminodiacetic acid mixed solution obtained in the step 1) for acidizing to the pH of 2-2.5; 3) an iminodiacetic acid and inorganic salt mixed solution obtained in the step 2) is separated and purified to respectively obtain iminodiacetic acid and an inorganic salt. According to the method, dilution is not needed, the formation quantity of the inorganic salt can be reduced by about 70%, the power consumption is greatly reduced, and the best economic benefit is achieved. In addition, an iminodiacetonitrile reaction liquid is directly used as a staring raw material, so that complex purification process of iminodiacetonitrile can be avoided.

The invention relates to an acid soil improving method and a plant planting method, and belongs to the field of soil improvement. The improving method comprises the steps that by weight, 52-100 parts of organic fertilizer and 6.8-18 parts of biological bacteria are added into each mu of soil, and the pH of the soil is adjusted to be 6.5-7; by weight, 10-20 parts of soil activating agent is added; by weight, earthworms and 3.2-8 parts of microelements are added, tilling is performed till the total porosity of the soil is 40-60%, and the mean size of soil aggregates is 4-5 mm; the soil activating agent is prepared from at least three of phytase, malic acid, ferric sulfate and 5-methyl-1,2,3-thiadiazole 1,3,4-thiadiazole derivatives. The improving method is simple, easy to implement and capable of effectively improving the soil fertility. The invention further relates to the plant planting method. After the soil is improved according to the soil improvement method, planting and harvesting are performed, and crops planted through the planting method are good in growth vigor and high in yield.

The invention discloses a sulfuric acid flow-rate control method for a dihydrol wet-method phosphoric acid extraction process. The method comprises the following steps: detecting CaO mass concentration of ore pulp input to a phosphoric acid extract trough, and converting the CaO mass concentration into the consumption amount of sulfuric acid needed by the CaO; detecting impurity mass concentration of the ore pulp input to the phosphoric acid extract trough, and calculating the consumption amount of sulfuric acid needed by the impurities in a fuzzy reasoning manner; adding up the consumption amounts of the sulfuric acid to obtain the total consumption amount of the sulfuric acid; detecting content of sulfuric acid of the ore pulp output from the phosphoric acid extract trough, calculating a correction coefficient, and correcting the total consumption amount of the sulfuric acid by virtue of the correction coefficient; measuring the flow rate of ore pulp input to the phosphoric acid extract trough, and multiplying the corrected total consumption amount of the sulfuric acid by the flow rate of the ore pulp; and converting the multiplication result to a control current signal so as to control the openness of an electric adjusting valve of the flow rate of the input sulfuric acid. By adopting the sulfuric acid flow-rate control method, the stability of technical indexes can be effectively improved, the quality and economic benefit of a final product can be improved, the consumption of the sulfuric acid is reduced, the environmental pollution is reduced, the automation degree is high, and simplicity in operation is achieved.

The invention relates to lactobacillus bulgaricus with low beta-galactase activity and application thereof. The lactobacillus bulgaricus is classified and named as lactobacillus delbrueckii subsp. bulgaricus, and the microbial preservation number is CGMCC No.9957. The strain is screened from the lactobacillus bulgaricus separated from a traditional milk product and has relatively stable performance, the instability, caused by overmuch passage number, similar to mutant strains is avoided, and furthermore, weak post-acidification capacity can be preserved all the time, so that the post-acidification of yoghourt in a preservation period can be effectively delayed in the actual application, and the shelf life of the yoghourt can be prolonged; furthermore, the strain has an excellent fermentation property and can be used as a weak post-acidification yoghourt fermentation agent to be applied to industrialization.

The invention provides a bacterium LRP3 capable of mineralizing and fixing heavy metal ions and application of the bacterium LRP3. The bacterium LRP3 capable of mineralizing and fixing heavy metal ions provided by the invention is Rahnella sp. which is preserved in the general microbial center of China Microbial Culture Collection Committee and has a preservation number of CGMCC NO.13347. The bacterium can separate out an indigenous microorganism capable of degrading phytic acid by secreting phytase and alkaline phosphatase to release phosphate radicals from the environment; a fermentation product can rapidly precipitate and consolidate heavy metal ions in soil and aqueous solution through bio-mineralization so as to form a mineralization product with stable properties; the bacterium can also be planted in soil to enhance a natural mineralization process of heavy metals in the soil; a fermented liquid of the bacterium can be used for controlling the soil or wastewater polluted by the heavy metals to achieve simple operation, low cost and no secondary pollution.

The invention relates to a processing method of wheat germ steamed buns. The making method comprises the following steps of step 1, making mixed lactobacillus powder; step 2, making a mixed lactobacillus solution; step 3, performing kneading to obtain sour dough; step 4, performing fermentation; and step 5, making the steamed buns. According to the scheme of the making method disclosed by the invention, various bacteria species of lactobacillus bulgaricus, streptococcus thermophilus, lactobacillus acidophilus, lactobacillus plantarum, bifidobacteria, lactobacillus rhamnosus and the like are adopted to perform mixed fermentation to make the sour dough; the bacterial strains are coordinated for fermentation, so that the flavor of the steamed bus can be improved, the effects of resisting bacteria and prolonging the quality guarantee period are achieved, and the steamed buns have good anti-aging product; the wheat germ steamed buns obtained by the making method disclosed by the invention are high in nutrient value, and contain rich vitamin E, vitamin B1 and protein; and wheat germs also contain various minerals and various trace elements of calcium, potassium, magnesium, ferrum, zinc,chromium, selenium, phosphorus, manganese, copper and the like.

The invention relates to an application of Lactobacillus casei KL1 for producing bile salt hydrolase in functional sour milk, and is suitable for assimilate cholesterol functional sour milk and microecology preparation production in fermented dairy product. The application provided by the invention employs a straight casting mode to add Lactobacillus casei KL1 (CGMCC No.1809) dry powder leavening agent used for effectively reducing cholesterol and a common sour milk dry powder leavening agent to prepare the functional sour milk with excellent quality. On a base that a common sour milk fermentation technology is not changed, the characteristic of KL1 bacterial strain for producing bile salt hydrolase can be employed to prepare the sour milk for reducing serum cholesterol, the sour milk whey precipitation problem can be solved, the post-acidifying degree of the sour milk can be reduced, the sour milk viscosity is enhanced, the product is stored for 21 days at the temperature of 4 DEG C, the live bacteria quantity of Lactobacillus casei KL1 can reach more than 106CFU/g, and the Lactobacillus casei KL1 has health care function. The prepared functional sour milk has simple fermentation technology, short fermentation period and low cost, and is adapted to large scale industrial production.

The invention relates to the field of soil improvement, and in particular relates to a composite modifier for gleyed soil. The modifier comprises the following components in parts by weight: 5-10 parts of quicklime, 20-30 parts of fly ash, 50-60 parts of fermented and decomposed cow dung, and 10-15 parts of fermented and decomposed rapeseed cakes. The invention further provides an application method of the composite modifier in improvement of the gleyed soil. The composite improver disclosed by the invention is applied to a gleyed rice field, the physical and chemical properties of the soil are improved, the soil porosity is increased; the soil permeability is improved, the soil volume weight is reduced, the structure of the soil agglomeration body is improved, the soil acidification degree is reduced, the soil redox potential is increased, the total amount of the soil reducing substances is reduced, the soil toxicity is reduced; the quick-acting nutrient content of the soil is increased, the yield of the rice is promoted by more than 10%, and the improved effect is very remarkable.

The invention relates to a soil improver and a preparation method thereof, belonging to the technical field of water and soil restoration. The preparation method comprises the following steps: carrying out filter-press and airing on dredged sludge, crushing, and sieving to obtain pretreated dredged sludge; airing animal dung, crushing, and sieving to obtain pretreated animal dung; carrying out ball milling on coal ash, vermiculite, diatomite and zeolite, and sieving, so as to obtain composite mountain flour; weighing the pretreated dredged sludge, the pretreated animal dung, furfural residue,the composite mountain flour, magnesium humate and calcium humate, uniformly mixing with a glucose solution, carrying out autoclaved sterilization, so as to obtain a cultured matrix; and uniformly spraying an EM fungicide to the surface of the cultured matrix, uniformly mixing, putting the mixture into a fermentation tank, covering with a layer of plastic film, stacking for fermentation, turning the stack once every 7 days, adding deionized water, controlling the water content, and after the fermentation is finished, putting the ferment into a drying tank, drying to constant weight, transferring the ferment into a crushing machine, crushing the ferment into particles, and packaging and bagging the particles, so as to obtain the soil improver.

The invention discloses a fertilizer special for a masson pine young forest. The fertilizer is mainly prepared from, by weight, 20%-30% of organic fertilizer, 60%-75% of macroelement fertilizer, 1.5%-5% of microelement fertilizer, 1% of biological bacterium preparation and 3%-7% of talcum powder, wherein effective ingredients nitrogen, phosphorus and potassium in macroelements account for 15%-20%, and the effective ingredients in microelements account for 1%-3%. Thus, a corresponding fertilizer applying method is further established by an inventor. The fertilizer is suitable for the growth characteristics of masson pines, and is high in utilization rate and good in soil improvement effect, the growth speed of plants is increased, the photosynthesis and disease and pest resisting capacity of the plants are improved, and support is provided for achieving of the target of fast growing and high yield of the masson pine man-made forest. Many years of on-site afforestation experiments indicate that the effect is good, and the fertilizer is suitable for application and popularization.

The invention discloses a rural sewage enhanced composite anaerobic treatment device and a treatment method. The treatment device comprises an anaerobic baffle reaction zone; the interior of the anaerobic baffle reaction zone is divided into a plurality of up-flow type suspended sludge bed reaction compartments and a sludge settling compartment by guide plates; the upper part of the up-flow type suspended sludge bed reaction compartments is filled with a composite fiber filler, and microporous aeration heads are formed at the bottom of the up-flow type suspended sludge bed reaction compartments; the treatment device further comprises a multi-media combined anaerobic biological filtration zone communicated with the sludge settling compartment; and the interior of the multi-media combined anaerobic biological filtration zone is filled with an active lightweight biological filler, and up-flow type water distribution is adopted for secondary treatment of settled sewage. The method for treating sewage by adopting the device comprises the following steps: the rural sewage enters the anaerobic baffle reaction zone, suspended matter and partial dissolved organic matter in the sewage are first removed through the up-flow type suspended sludge bed reaction compartments, and then the sewage flows into the sludge settling compartment, after most of the sludge is deposited, the sewage flowsinto the multi-media combined anaerobic biological filtration zone to further remove the dissolved organic matter.