67results about How to "Reduce the difficulty of governance" patented technology

The invention discloses a mineralized water purifying agent which loads magnetotactic plant source microorganisms and a preparation method thereof. The preparation method comprises the following steps: acclimating animal source microorganisms into plant source microorganisms by using a plant source culture solution, wherein the animal source microorganisms comprise anaerobic and aerobiotic microorganisms which are in a weight ratio of 1:1; and acclimating the plant source microorganisms into plant source magnetotactic microorganisms, then loading on sandy mineral stone powder to form biological minerals so as to generate a purifying fungicide. According to the invention, purchased animal source microbial strains are acclimated to recover the original wild nature of microorganisms so as to quickly survive, adapt and propagate. The problem that common microbial water quality purifying treatment fungicide splashed just floats on the surface, cannot submerse in water and cement sludge quickly, is easy to wash away by water flows, needs to be input frequently and is high in operating cost is solved. The preparation method can be cooperated with the original comprehensive treatment system and task, so that the treatment difficulty is greatly reduced, the treatment effect is improved, and the preparation method has the price advantage compared with that of conventional dredging manner.

The present invention belongs to the field of non-ferrous metallurgy technology, and is stepped roasting process for decomposing Baotou RE ore concentrate. The technological process includes the following steps: 1. mixing Baotou RE ore concentrate with concentrated sulfuric acid; 2. roasting at 100-320 deg.c for 1-7 hr and spraying water to cool produced gas; and 3. roasting at 600-850 deg.c for 1-4hr, absorbing partial harmful gas with 80-92% concentration sulfuric acid, returning the absorbed concentrated sulfuric acid, cooling gas with water from the second step, and transferring the roasted material to the next step. The present invention combines the low temperature roasting and the high temperature roasting, and has less water consumption, raised resource utilization rate and other advantages.

The present invention relates to a production process of extra high viscosity refined cotton. Said production process includes the following procedure:(1) selecting material; (2) cooking; (3) washing pulp; (4) bleaching pretreatment; (5) bleaching; and (6) rolling, dewatering and drying to obtain finished product. Said invention also provides the concrete requirements and steps of every procedure.

The invention discloses a catalyst capable of simultaneously removing CO, SO2 and NOx and a preparation method of the catalyst. According to the catalyst capable of simultaneously removing CO, SO2 andNOx, cheap clay and fly ash are used as catalyst carriers; the invention comprises pre-oxidizing (acidifying) by using concentrated nitric acid, dissolving active ingredients of the low-temperature catalyst by using water, and then enabling metal oxide to be attached to the catalyst carrier capable of simultaneously removing CO, SO2 and NOx by using an equivalent impregnation method, so as to form the catalyst capable of removing CO and SO2 and NOx in low-temperature flue gas purification. The catalyst capable of removing CO, SO2 and NOx at the same time is simple in preparation process and low in cost, the technical effect of removing CO and SO2 and NOx at the same time can be achieved, the treatment cost and treatment difficulty of enterprises are reduced, and the invention has huge industrial application value.

The invention relates to a method for regenerating and recycling laundry waste water, which is mainly used for regenerating and recycling laundry waste water discharged from intermittent industrial laundry machines which run independently in the laundry process of the laundry and dyeing industry. The aim of the invention is to treat laundry waste water by combining direct reuse of the laundry waste water or regeneration and recycling of the laundry water. The method comprises process treatment and front-end treatment. The process treatment is to direct reuse waste water which is laundry water from a laundry process flow in a countercurrent rinsing manner. An operation system in which the rinsing water flows continuously in a semi-intermittent manner and in which the laundry moves in an intermittent manner is designed for the intermittent industrial laundry machines which run independently, so as to realize the water use flow of the laundry water in countercurrent rinsing, and reduce volume of waste water in the rinsing phase; and under the conventional laundry process conditions, 50 to 70 percent of fresh water can be saved. The front-end treatment is to collect and treat waste water from the prewashing and waste water from the main washing in the production of laundry machines independently and treat the waste water by means of flocculation, centrifugal separation, filtration and the like, wherein the treated water is used in prewashing, main washing and rinsing and the reuse rate is 80 percent. The laundry waste water regenerating and recycling system constructed by combining process treatment and front-end treatment techniques comprehensively reduces consumption of fresh water by over 80 percent.

The invention relates to a method for regenerating and recycling wool dyeing wastewater. The method is mainly used for regeneration and recycling of dyeing wastewater in the dyeing process in the fur dyeing and finishing industry. The front-end treatment technical route of dyeing and finishing wastewater is that: industrial wastewater produced in the dyeing process in the dyeing and finishing production is collected and treated independently and is recycled in the process, a regeneration and recycling system is established, and the using amount of fresh water is saved. Dyeing wastewater is flocculated by using organic flocculant, and flocculate and filtrate are separated by screening and combination of material filtration and separation modes, and the filtrate is adsorbed by using adsorbent to ensure that the dyeing wastewater can meet the regeneration and recycling requirement. In a laboratory and a woolen mill, recycle water dyeing experiment is performed by using acid mordant dyes and lanaset dyes, and the one-time dyeing wastewater recycling rate is over 80 percent; and the color difference level of fresh water for dyes for two kinds of fur and a recycle water dyeing sample are both above level 4.

The invention belongs to the technical field of wastewater treatment and soil remediation, and particularly relates to a sulfur-based intercalated hydrotalcite modified charcoal-based adsorption material and preparation and application thereof. The preparation method comprises the following steps: dipping a biomass raw material in an alkali liquor, carrying out pyrolysis carbonization to obtain an activated biochar material, carrying out hydrotalcite loading under a hydrothermal condition by taking the biochar material as a substrate, and finally replacing interlayer anions of hydrotalcite with sulfenyl anions. The adsorbent obtained by the preparation method not only has the adsorption capacity of independent biochar and hydrotalcite on heavy metals, but also can obtain a loose and porous biochar material by activating a biomass material, and then the biochar material can be further expanded through a hydrothermal reaction, and the loading capacity and the loading stability of the hydrotalcite are improved; finally, the adsorption capacity of the heavy metal anions is remarkably improved through interlayer replacement of the sulfenyl anions.

The invention discloses a hue adjusting process for a high-whiteness coating white cardboard. An adding point of dye is selected at a head box through which core pulp passes; an adding point of a fluorescent whitening agent is selected at a feeding trough of which the surface is sized. According to the hue adjusting process disclosed by the invention, the dye and the whitening agent are separately added; when the hue is adjusted, control points are few and the adjusting time of the whiteness and the hue is short; and the adjusted finished paper not only meets the whiteness standard, but also achieves stable and uniform effects of the hue. According to the hue adjusting process disclosed by the invention, the consumption of the dye and the whitening agent is reduced and the quantity of the whitening agent in white water is little, so that the cost is reduced and the difficulty in wastewater treatment is reduced.

The invention belongs to the technical field of mobile bed uranium water treatment, and more specifically relates to a using method of a recovery adsorption tower in in-situ leaching mining uranium water treatment technology. The using method is capable of solving problems in the prior art that in not only adsorption process resin saturation capacity is influenced by transformation tail liquid introduction adsorption process, adsorption resin saturation capacity fluctuation is relatively large, and after transformation, solution enters into underground ore bed with leaching solution, so that mine later stage underground water treatment difficulty is increased. The using method comprises following steps: feasibility test of transformation tail liquid introduction into the recovery adsorption tower, and transformation tail liquid introduction into the recovery adsorption tower. The using method is capable of realizing recovery adsorption tower innovation utilization, recycling uranium intransformation tail liquid, increasing water treatment recovery rate, recycling nitrate radicals in transformation tail liquid, reducing production cost, stabilizing adsorption process resin uraniumcapacity, achieving ion exchange mobile bed uranium mining technology liquid phase balance, achieving liquid phase closed circulation, reducing underground nitrate radical accumulation, and reducing mine later stage underground water treatment difficulty.

The invention relates to the field of papermaking, and discloses a high-whiteness coated ivory board and a preparation method thereof. The high-whiteness coated ivory board comprises raw paper and a coating layer covering the surface of the raw paper, wherein the raw paper comprises a surface paper layer, a core paper layer and a bottom paper layer, the coating layer comprises a pre-coating layer, a surface coating layer and a back coating layer, the paper pulp of the raw paper comprises 80-90 parts of hardwood pulp and 10-20 parts of softwood pulp, the paper pulp is formed by bleaching treatment through a biological enzyme method, the coating materials of the pre-coating layer, each of the surface coating layer and the back coating layer comprises a pigment, a coating adhesive and a coating additive, the pigment comprises 85-95 parts of ground calcium carbonate and 5-15 parts of kaolin, and the coating additive comprises a fluorescent whitening agent accounting for 0.05-0.10% of the total weight of the coating materials. The preparation method comprises the steps of paper pulp preparation, net loading, squeezing and water removal, preliminary drying, on-line coating in a machine, drying and subsequent calendaring, reeling, cutting and packaging. The invention provides a method for preparing the high-whiteness coated ivory board by using a biological enzyme method for bleaching and using a small amount of a whitening agent, and the whiteness of the prepared coated ivory board is 94% or above.

The invention is specifically a multi-continuous electrode electrolytic cell for preparing high-performance aluminum materials, which solves the problem that the aluminum materials produced by the existing aluminum electrolytic cells cannot meet the high-performance requirements. A single continuous electrode device is composed of several electrode bodies and electrode boxes. The upper part of the electrode box is provided with a metal frame, and the outer wall of the metal frame is provided with a load-bearing fastening ring. The lower side of the load-bearing fastening ring is fixed with a load-bearing hook connector. The lower part of the box body is provided with a sealing cover frame, and conductive rods are passed between the sealing cover plates, and a load-bearing hook is provided between the bottom conductive rod and the load-bearing hook connector, and the metal frame is provided with a packing frame and shell cutting One or two types of exhaust mechanism, the metal platform is provided with an exhaust port. The invention saves the processes of electrode forming, roasting, assembly, replacement, recycling and treatment of residual electrodes and the corresponding environmental pollution, and has the advantages of less investment, simple process, low operating cost, easy operation, energy saving and environmental protection.

The invention relates to a method for regeneration and cyclic utilization of laundry wastewater. By way of combining direct reuse of laundry wastewater and regeneration and cyclic utilization, the laundry wastewater is treated, comprising course treatment and front-end treatment. The course treatment means that rinse water in a laundry process flow is directly reused in form of countercurrent rinsing. By designing an operating system where the rinse water continuously flows in a semi-intermittent manner and the washed matters are intermittent for an independently operated intermittent industrial washing machine, a water use flow of countercurrent rinsing of the rinse water is realized, the wastewater amount of a rinsing stage is reduced, and 50-70% of fresh water dosage can be saved. The front-end treatment means that wastewater generated in pre-washing and principle-washing in laundry production is independently collected and treated, and the treated water after flocculation, centrifugal separation and filtration is used in pre-washing, principle-washing and rinsing, so that the reuse rate reaches 80%; the laundry wastewater regeneration and cyclic utilization system established by combining the technologies of course treatment and front-end treatment comprehensively saves over 80% of fresh water dosage.