34results about How to "Reduce Pollution Potential" patented technology

The invention discloses an innocent treatment method of electrolytic manganese slag. The method comprises the following steps of: (1) weighing manganese slag accurately with metering equipment and crushing the manganese slag; (2) adding the crushed manganese slag into a blender; adding calcium oxide powder and water into the manganese slag, adding a certain amount of silicate additives into the mixture, stirring the mixture to form a uniform mixed material, and recovering ammonia gas; (3) after unloading the mixed material, transferring the mixed material into another blender, adding a certain amount of water soluble resin sulfosalt additives and ferric chloride, stirring again and recovering the ammonia gas; and (4) after stirring and unloading the material, transferring the material into a third blender, fully stirring, recovering the ammonia gas, drying the material in a turnover dryer, controlling the water content of the mixed material, and performing landfill treatment after drying. The method has a wide raw material source, an excellent treatment effect, a simple technical technology, high product strength and high durability; an environmental potential hazard caused in a manganese slag stacking process is eliminated; and the investment cost of an enterprise is reduced.

The invention relates to an efficient comprehensive utilization method of arsenic and antimony in arsenic and antimony smoke and belongs to the technical field of non-ferrous metallurgy. The method comprises the specific steps that the arsenic and antimony smoke is subjected to stge treatment, fine powder smoke obtained through separation is put into hot water according to the formula that the liquid-solid ratio is 5:1, agitation leaching is conducted for 60 min at the temperature is 85 DEG C, and solid-liquid separation is conducted after leaching; an oxidizing agent is slowly added into leaching liquid, the volume percentage of the oxidizing agent is 3%, stirring is continuously conducted for 60 min, and arsenic-containing leaching post-liquid and antimony-containing leaching residues are obtained after filtering; a sodium salt solution is added into the leaching post-liquid, the mixture is subjected to low-temperature concentration and crystallization under the microwave condition after sufficient stirring, sodium arsenate crystals are obtained after centrifugal filtering, and crystallization mother liquor is used circularly; and the sodium arsenate crystals are sent to microwave drying equipment to be dried, and products are obtained after drying. According to the method, the arsenic and antimony smoke is subjected to stage treatment according to the grain size, enrichment and separation of arsenic and antimony can be achieved, operation is easy, and the cost is effectively reduced; and separated arsenic-enriched smoke is leached, refined and crystallized, arsenic products are formed for export sales, antimony-containing materials return to the procedure, and resource recycling is achieved.

The invention discloses an environmentally-friendly size composition for a tyre surface of a tyre and a preparation method thereof. The environmentally-friendly size composition comprises natural rubber, butadiene styrene rubber, butadiene rubber, carbon black, zinc oxide, stearic acid, an antiager, C5 resin, insoluble sulfur, environmentally-friendly arene oil, an accelerator and a homogenizing agent and various other components. The environmentally-friendly size can be prepared by the steps of plastifying and mixing the raw materials and the like. The environmentally-friendly size composition for the tyre surface of a tyre and size obtained by using the preparation method have better breaking strength, tensile strength and hardness, meet environmentally-friendly requirement and are prepared from environmentally-friendly raw materials which do not contain harmful substances, wherein arene oil, C5 resin, insoluble sulfur, carbon black and the like belong to the environmentally-friendly materials; and through adopting the environmentally-friendly raw materials coordinated with reasonable composition design, the environment pollution hidden danger caused in the production and use processes is greatly reduced, and the product has wider safety, economy and adaptability.

The invention discloses a brewing technique of reutilizing Vaccinium bracteatum pomace. The brewing technique comprises the following steps: S1, uniformly mixing 100 to 280 parts by weight of maltose with 200 to 450 parts by weight of water, adding 0.5 to 1.8 parts by weight of multiple microorganisms, and fermenting for 8 to 18 days in a sealing manner to obtain a product A; S2, adding 15 to 30 parts by weight of Vaccinium bracteatum pomace and 1.2 to 3.0 parts by weight of fruit wine distiller yeast into the product A, and fermenting for 10 to 20 days in a sealing manner to obtain a product B; S3, filtering and deactivating the product B to obtain a finished product. By adopting the brewing technique, the Vaccinium bracteatum pomace can be sufficiently utilized; by utilizing the maltose, the cytoderm of the Vaccinium bracteatum pomace cells can be broken, and active substances can be released; by adopting the sectional feeding and compound bacteria fermenting technique, the brewing technique is simplified, and the cost is saved; and the obtained fruit wine product is high in nutritive value.

The invention discloses a novel method for direct extraction recovery of ammonia nitrogen from electrolyzed manganese slag. The novel method comprises the following steps of directly adding an alkaline preparation and a foaming agent into fresh manganese slag subjected to crushing, dispersion, drying and ball-milling so that a pH value and humidity in an electrolyzed manganese slag environment are changed and transformation of a solid phase and a liquid phase into a gas phase is promoted, and introducing released NH3 gas into a multistage absorption device by a negative-pressure suction device cover located above a mixer so that the released NH3 gas is absorbed by water or dilute sulphuric acid and then is transformed into ammonia water or ammonium sulfate. The novel method for direct extraction recovery of ammonia nitrogen from electrolyzed manganese slag solves the problem that the existing extraction recovery methods have high water consumption, high energy consumption and complex processes, greatly reduces environmental pollution hidden troubles of ammonia nitrogen in manganese slag, and realizes extraction and utilization of an ammonia nitrogen resource well.

The invention discloses a sample preparation and transfer control method. The operation of the sample preparation and transfer system includes: a management and control system (600) for real-time acquisition of an automatic storage and inspection sample cabinet (100), a pneumatic conveying system (200), an automatic sample unloading sample bottle cleaning machine ( 300), automatic packaging machine (400), automatic sample preparation machine (500) and control the sample preparation process, cleaning process and cleaning process through instructions. The sample preparation and transfer control method of the present invention can realize fully closed automation of sample preparation, storage, transportation, and cleaning processes, avoid manual intervention, and improve the accuracy and effectiveness of samples.

A magnesium concrete is composed of the magnesium cement grout prepared from light burnt magnesium oxide, magnesium chloride and water and the modifying filler composed of the phosphogypsum and / or the ash of rice husk, rice straw and wheat straw. It has low cost.

The invention belongs to the technical field of food deep-processing and discloses selenium-enriched dark plum kernel protein powder, energy bars made of the same and a preparation method. The selenium-enriched dark plum kernel protein powder is composed of 30-60 parts of dark plum kernel, 20-40 parts of dark plum leaf, 10-30 parts of malt and 10-20 parts of medlar. The preparation method includes: washing and airing the dark plum kernel, and separating shell from kernel for standby use; using water to clean the dark plum leaf, and draining the water for standby use; quickly heating dark plum nutlet, pouring into a fan to blow away inner skin, and taking out nutlet; subjecting skinless dark plum nutlet to low-temperature squeezing to obtain degreased nutlet cake meal, crushing, sieving, feeding into an extractor, evapo-separating at 60 DEG C, and performing superfine grinding to obtain degreased nutlet protein powder; crushing the dark plum kernel and shell, the dark plum leaf, the malt and the medlar into fine particles, sieving, well mixing the fine particles with the degreased nutlet protein powder, and adding water to obtain an emulsion; subjecting the emulsion to spray drying before radiation sterilization, and tinning. By the method, the dark plum kernel and the dark plum leaf are changed into things of value from waste, potential trouble of environment pollution is reduced, and comprehensive production benefit of dark plum is increased effectively.

The invention relates to the technical field of sand mold casting, and concretely relates to a box division molding machine. The box division molding machine comprises a sandbox, a lower box molding device, an upper box molding device, a walk device and a push device, and the sandbox is a rectangular box body; the lower box molding device and the upper box molding device are positioned in the sandbox, the lower box molding device is positioned at the left side of the sandbox, and the upper box molding device is positioned at the right side of the sandbox; the walk device is positioned above the sandbox, the upper ends of the walk device and the lower box molding device are connected with the upper end of the upper box molding device, and the walk device is used for moving the lower box molding device and the upper box molding device; and the push device is positioned just behind the lower box molding device, and the push device is used for sending box closed sand mold to a conveyer belt and allowing the box closed sand mold to enter a next process. The box division molding machine adopting a manual coal beating machine principle realizes automatic production of box division castings, and also has the advantages of simple structure, low manufacturing cost and high production efficiency.

The invention belongs to the field of food processing, and particularly relates to a production device of a high-moisture beef-flavor squid product. The production device comprises a box, wherein thebox is fixedly connected with a motor, an output shaft of the motor is in transmission connection with a conveyor belt, the output shaft of the motor is movably connected with a press roller through atransmission part, the press roller and the conveyor belt are cooperatively arranged, the box is provided with a roasting plate, the press roller and the roasting plate are slidably connected, a wiredrawing mechanism is arranged at the end, close to the roasting plate, of the box, the box and the roasting plate are cooperatively arranged through a heating part, a cleaning roller is arranged at the end, away from the roasting plate, of the box, and the cleaning roller and the press roller are cooperatively connected. The integrated production device is arranged for the high-moisture beef-flavor squid product, so that baking-tableting-wire drawing work of squid is completed once after cleaning, the production efficiency of the beef-flavor squid product is improved, the hidden danger of pollution to the squid product in the production process is reduced, and the production quality of the beef-flavor squid product is improved.

The invention relates to an efficient comprehensive utilization method of arsenic and antimony in arsenic and antimony smoke and belongs to the technical field of non-ferrous metallurgy. The method comprises the specific steps that the arsenic and antimony smoke is subjected to stge treatment, fine powder smoke obtained through separation is put into hot water according to the formula that the liquid-solid ratio is 5:1, agitation leaching is conducted for 60 min at the temperature is 85 DEG C, and solid-liquid separation is conducted after leaching; an oxidizing agent is slowly added into leaching liquid, the volume percentage of the oxidizing agent is 3%, stirring is continuously conducted for 60 min, and arsenic-containing leaching post-liquid and antimony-containing leaching residues are obtained after filtering; a sodium salt solution is added into the leaching post-liquid, the mixture is subjected to low-temperature concentration and crystallization under the microwave condition after sufficient stirring, sodium arsenate crystals are obtained after centrifugal filtering, and crystallization mother liquor is used circularly; and the sodium arsenate crystals are sent to microwave drying equipment to be dried, and products are obtained after drying. According to the method, the arsenic and antimony smoke is subjected to stage treatment according to the grain size, enrichment and separation of arsenic and antimony can be achieved, operation is easy, and the cost is effectively reduced; and separated arsenic-enriched smoke is leached, refined and crystallized, arsenic products are formed for export sales, antimony-containing materials return to the procedure, and resource recycling is achieved.

The invention discloses a cutter suction dredger and a sludge treatment method. The cutter suction dredger comprises a ship body. A centrifugal dredge pump is fixedly mounted on one side of the top ofthe ship body. An adjusting device is fixedly mounted in the position, located on one side of the centrifugal dredge pump, of the top of the ship body. A horizontal plate is fixedly mounted on the top of the adjusting device. According to the cutter suction dredger and the sludge treatment method, when the ship body arrives at a designated location, the position of a reamer is adjusted through the adjusting device; a first motor drives the reamer to rotate; sludge crushed by the reamer is delivered to a designated mire area through the centrifugal dredge pump via a sludge suction pipe and a sludge outlet pipe; it is ensured that the sludge outlet pipe is suspended on the water surface through fixing sleeves, compression foam, screw rods and nuts; hidden danger of endogenous pollution of areservoir is reduced through the sludge treatment method; release of pollutant is reduced; the self-cleaning capacity of lakes and the water quality of the reservoir are improved; and meanwhile, restoration of the diversity of aquatic organisms is promoted, and restoration of a reservoir aquatic ecosystem is promoted.

The invention belongs to the technical field of coal gasification sewage treatment, and particularly relates to a coal gasification sewage reuse treatment method and a device. The method comprises the following steps: adding a flocculating agent into the coal gasification sewage to remove suspended ash, adding alkali liquor to remove calcium hardness, removing ammonia to reduce ammonia nitrogen in the water, filtering in a filtering unit, carrying out electro-adsorption desalination, recycling the produced water for supplementing water to coal water slurry, carrying out defluorination treatment on the concentrated water, and finally carrying out biochemical treatment until the water is discharged after reaching the standard. According to the coal gasification sewage reuse treatment method and device, high-water-yield reuse of the coal gasification sewage can be guaranteed, meanwhile, the amount of concentrated water and the content of organic matter are reduced, and the standard treatment cost of the concentrated water is low.