146results about How to "Strong ion exchange performance" patented technology

The invention belongs to the field of environmental protection, and in particular relates to a sludge treatment process. The sludge treatment process comprises the following steps: 1) impurity removal: use multi-stage grille to filter out the garbage in the sludge; 2) pretreatment: utilize the three-stage sludge settling tank to pretreat the sludge to obtain the first, second, and The sludge in the three-stage sludge settling tank, the sludge slurry and the supernatant after being settled in the three-stage sludge settling tank; 3) solidification treatment: respectively adopt mixing solidification and dehydration solidification methods for the first, second, and third-stage sludge sedimentation The silt and silt slurry in the pond are dehydrated and solidified to obtain silt-solidified soils A and B; 4) stacking and aging: transport the silt-solidified soils A and B to a temporary storage yard and age them for 3 to 7 days to complete the treatment. The sludge treatment process of the present invention can simultaneously process particles and sludge with high viscosity and low water content, as well as sludge slurry with fine particles, organic matter and high water content, and is especially suitable for river courses with complex components, wide particle distribution, and large water content differences silt.

The invention provides a heavy metal contaminated soil restorative agent. The restorative agent is prepared from the following components in weight ratio: 20-30 percent of biomass charcoal, 30-50 percent of quick lime, 10-20 percent of molecular sieve, 10-20 percent of sodium bentonite, 1-10 percent of polyepoxysuccinic acid and 1-10 percent of sodium lignin sulfonate. A preparation method for the heavy metal contaminated soil restorative agent comprises the following steps: firstly, mixing the biomass charcoal, quick lime, molecular sieve, sodium lignin sulfonate and sodium bentonite in mass ratio to obtain a mixture; and then, adding the polyepoxysuccinic acid into the mixture in mass ratio to stir and uniformly mix, thereby obtaining the prepared soil restorative agent. The prepared soil restorative agent has good effect in restoring the cadmium, lead and zinc compound contaminated soil.

The invention provides a heavy metal cadmium, lead and arsenic compound contaminated soil restorative agent. The heavy metal cadmium, lead and arsenic compound contaminated soil restorative agent is prepared from the following components in percentage by weight: 30-50 percent of biomass charcoal, 5-10 percent of diatomite, 5-10 percent of sodium bentonite, 5-10 percent of activated aluminum oxide, 10-20 percent of dithiocar-bamate, 5-10 percent of ethylenediaminetetraacetic acid, 5-10 percent of tartaric acid, 5-10 percent of polyacrylamide and 5-10 percent of sodium dodecyl sulfate. A preparation method for the heavy metal cadmium, lead and arsenic compound contaminated soil restorative agent comprises the following steps: mixing the biomass charcoal, diatomite, sodium bentonite, activated aluminum oxide, ethylenediaminetetraacetic acid, tartaric acid, polyacrylamide and sodium dodecyl sulfate in mass proportion to obtain a mixture; and adding the dithiocar-bamate into the mixture in corresponding mass proportion to sufficiently mix uniformly, thereby obtaining the prepared soil restorative agent. The prepared soil restorative agent has good effect in restoring the cadmium, lead and arsenic compound contaminated soil.

The invention relates to a washable ecologic wall material capable of decomposing formaldehyde. The invention not only can be used for decomposing and absorbing the formaldehyde, improving indoor moisture and absorbing indoor water content, but also is very convenient to wash and brings great convenience for people to clean the wall. The washable ecologic wall material capable of decomposing the formaldehyde is characterized by being prepared from the following components in percentage by weight: 18-29 percent of diatomite, 25-30 percent of quartz sand, 0.1 percent of fiber, 15-18 percent of bentonite, 1-3 percent of adhesive, 12-17 percent of ash calcium, 13-18 percent of water retention agent, 5-8 percent of formaldehyde purifier, 3-6.1 percent of titanium dioxide and 3-7 percent of anion powder. The invention further improves a traditional original wall material to satisfy the market needs and bring convenience and benefits to the life of people.

The invention discloses a preparation method of brick for animal licking containing natural mineral, urea and molasses, which comprises proportioning, stirring, press forming, naturally airing and packaging. The charge mixture comprises urea, molasses, table salt, natural mineral additive and water. The product comprises nonprotein nitrogen compound, calcium, phosphor, sodium, chlorine, ferrum, copper, manganese, zinc, selenium and carbohydrate for supplying energy.

The invention discloses a heavy metal contaminated soil passivation conditioning agent, and an application thereof. The conditioning agent comprises a part A, a part B and a part C. The part A comprises organic matter, a fermentation agent, and a microbial agent. The part B comprises fly ash, humate, biomass carbon, a phosphorus-containing fertilizer, and granular activated red mud. The part C comprises bentonite and iron powder. The weight ratio of the part A to the part B to the part C is (20-30) to (20-40) to (40-60). When the conditioning agent provided by the invention is used in heavy metal contaminated soil treatment, the cost is low, the dose is low, reparation time is short, operation is simple, implementation is easy, and the application range is wide. The influence on soil original pH value is low, the reparation efficiency is high, and the reparation effect is stable. The conditioning agent has a passivation effect upon heavy metals, and performs bidirectional conditioning upon soil pH value. The conditioning agent is suitable for agricultural mechanized operation, and has a sustained-release function.

A comprehensive utilization method for coal ash solid waste comprises the following steps: grinding and sieving coal ash after being calcined, and soaking in a hydrochloric acid of 20-30% mass concentration to respectively obtain ferro-aluminium chlorination liquor and solid residue; adding Ca(OH)2 and Al(OH)3 in the ferro-aluminium chlorination liquor, and adjusting the basicity to 45-55%, controlling the pH value at 3.5-5.0 through the hydrochloric acid, performing water thermal polymerization at the temperature of 105-110 DEG C, and obtaining a poly ferro-aluminium chlorination liquor after concentration and drying; washing and drying the solid residue, adding Ca(OH)2 at the molar ratio of n(Ca)to n(Si) of 5:6, adding NaOH at the molar ratio of n[Ca(OH)2] to n(NaOH) of 1:(0.5-1.5), and performing thermal reaction at the temperature of 180-220 DEG C to obtain a tobermorite sewage disposal material. According to the method, a comprehensive solution that aluminium oxide and a small amount of ferric oxide and calcium oxide in the coal ash are adopted to prepare poly ferro-aluminium chlorination purifying agent, and the components of silicon dioxide are adopted to prepare the tobermorite sewage disposal material is offered, so that the purpose that the coal ash is comprehensively used to prepare the environment material with higher added value is achieved.

The invention discloses a pollution-free paddy rice planting method. The method comprises the following steps: A, planting milk vetch as green manure in a rice field, and applying a basic manure, wherein 500-800 kg of the basic manure is applied to each mu of the rice field; B, after the rice field is subjected to exposure, performing rotary tillage, ridge separation, irrigation and rice transplanting; C, applying a compound fertilizer to seedlings after the seedlings are inserted; D, grazing 8-15 7-10-day-old ducks to each mu of the rice field after 15-20 days of rice transplanting, evicting the ducks from the rice field after 25-40 days, spraying a biological pesticide, draining for 7-10 days, topdressing 30-100 kg of the compound fertilizer used in the step C to each mu of the rice field, irrigating till the depth of water is 8-10 cm, grazing 5-10 7-10-day-old ducks to each mu of the rice field again, and evicting the ducks from the rice field before 15-20 days of rice mature. According to the pollution-free paddy rice planting method, the yield is high, pollution is avoided, produced rice tastes good, and meanwhile, high-quality duck is obtained.

The natural mineral lick additive contains rich P, Ca, Mg, K, Na, S and other macro elements and trace elements. Its production process includes compounding materials, including attapulgite clay, bentonite, elite, diatomite, Chinese medicinal stone and shell; crushing; acidifying; activating; milling and packing. The natural mineral lick additive has high utilization rate of the effective components, capacity of promoting the growth of animal, excellent adhering and dispersing performances. It is suitable for producing various kinds of lick for ox, sheep, etc.

The invention provides a soil remediation agent. The soil remediation agent is composed of, by weight, 10-25% of hydroxyl calcium phosphate, 30-45% of biomass charcoal, 10-15% of sodium sulfide, 10-15% of sodium bentonite and 10-15% of ammonium phosphate. The soil remediation agent is effective in remediation of soil contaminated by cadmium, lead, zinc, arsenic, copper and mercury.

The invention provides a cadmium-lead compound contaminated soil remediation agent, prepared from the following components by a weight ratio: 30-50% of biomass charcoal, 10-20% of polyepoxysuccinic acid, 10-20% of polyacrylamide, 10-20% of starch and 10-20% of sodium bentonite; the components give full play to the synergy, and effective state of cadmium and lead in soil are greatly reduced by carrying out chelation, precipitation, absorption, improvement, PH value adjustment and the like on the components; the prepared soil remediation agent has a good effect in remediation of the cadmium-lead compound contaminated soil; the remediation agent provided by the invention has the advantages of being simple and feasible in preparation method as well as good in treatment effect.

The invention relates to a soil column combination matrix composite flow artificial wetland treatment system, which uses a composite underflow artificial wetland mode and comprises an artificial wetland pool, a soil column combination matrix system, an artificial wetland plant system and a water distribution system. The soil column combination matrix system is the core of the whole artificial wetland system and comprises a prefiltering unit, a combination matrix denitrification unit, a combination matrix dephosphorization unit and a fine filtering unit, and soil columns are arranged in the combination matrix denitrification unit and the combination matrix dephosphorization unit. The artificial wetland plant system is formed by aquatic plants such as reeds, cattails, cane shoots and the like by mixed planting and planted onto the combination matrix denitrification unit and the combination matrix dephosphorization unit after earthing. The artificial wetland pool is matched with the water distribution system to construct the artificial wetland system having multiple flow regimes including vertical downward flow, vertical upward flow, horizontal underflow and the like. The soil column combination matrix composite flow artificial wetland treatment system is reasonable in design of each portion, scientific in structure, small in occupied space, low in operation cost and convenient in management, and is a novel artificial wetland technique which can effectively purifying polluted water body.

An active carbon-based flue gas desulfurizer is prepared by the following raw materials by weight: 100-120 parts of active carbon, 7-9 parts of polyvinyl alcohol, 22-24 parts of quicklime, 4-6 parts of sodium carbonate, 26-28 parts of chitosan, 3-4 parts of Arabic gum, 1-2 parts of sodium alginate, 30-34 parts of meerschaum, 10-12 parts of wormwood, 20-24 parts of licorice, 20-24 parts of herba andrographitis, 2-3 parts of coconut fatty acid monoethanolamide, 4-5 parts of auxiliary agents, and a proper amount of water. By using Chinese herbal medicines such as wormwood, licorice, and herba andrographitis to process active carbon, the desulfurizer of the invention not only has good adsorption effect, but also has antibacterial effect; by using meerschaum and chitosan, the desulfurizer of the invention has good adsorptivity, good ion exchange performance, and high temperature resistance, can save active carbon, and causes no secondary pollution; the desulfurizer of the invention is not liable to disintegration, is rapid and thorough for flue gas desulfurization, is also applicable to water desulfurization, is simple in preparation and easy to regenerate, and has good economic benefits.

The invention relates to a combined set for treating a micro-polluted source water in counties and towns, and the combined set comprises an inclined tube sedimentation tank, an aeration biozeolite filter column and an activated carbon filter column, wherein the inclined tube sedimentation tank consists of a water inlet region, a sloped tube region and a water collection region, the water inlet region is provided with turbulent stones and a baffle, the water collection region discharges water through a perforated water collection tank, the aeration biozeolite filter column consists of a water/gas inlet region, a filter material region and a water collection region, aeration is carried out in a blast aeration mode, gas is mixed in the water inlet region and enters the filter material region through a long-handle filter head, the filter material consists of coarse-grain zeolite and common-grain zeolite, the effluent water of the aeration biozeolite filter column enters the activated carbon column in a hydraulic drop mode, and the activated carbon filter column consists of a filter material region and a water outlet region. The inclined tube sedimentation tank water inlet region is provided with the turbulent stones and baffle to enhance the flocculation effect of the coagulant and the removal effect of the sedimentation tank. The activated carbon filter column connected to the aeration biozeolite filter column performs a two-stage biochemical synergistic action, and implements advantage complementation, thereby enhancing the water quality of the effluent water and lowering the treatment cost. The combined set can effectively remove ammonia nitrogen, organic substances, manganese and other pollutants in the micro-polluted source water, has the advantages of compact technical linkage, low investment and operating cost and stable quality of effluent water, and is suitable for being used in small-scale water generation occasions, such as water supply to counties and towns.

The invention discloses a planting method for organic high-yield rice. The method comprises: planting broad beans in a rice field, after harvesting the broad beans, performing green manure dressing and retting, and applying base fertilizer; performing water-controlling harden-seedling on rice seedlings whose seedling age is 15-20 days for 2-3 days; performing rotary tillage, ridge dividing, irrigation on the rice field, and then transplanting rice seedlings; after the rice seedlings survive, dressing a compound fertilizer to promote rice seedling tiller; 13-18 days after rice transplanting, putting newly-hatched ducklings whose day-age is 12-20 in the rice field according to amount of 8-15 per mu, 25-40 days after putting the ducks in the rice field, driving the ducks out of the rice field, spraying biopesticide, performing field draining for 7-10 days, topdressing a nitrogen-phosphorus-potassium composite fertilizer according to amount of 20-50 kg per mu, and then irrigating to 8-10 cm, and driving the ducks in the rice field, 15-20 days before the rice is mature, taking back the ducks, and cutting off water and drying the field. The planting method for organic high-yield rice is high in yield, and obtained rice is good in quality, and high-quality duck meat is obtained.

The invention specifically relates to the technical field of a saline alkali soil conditioner and a preparation method thereof. The saline alkali soil conditioner provided by the invention is prepared by mixing the following raw materials according to a certain ratio: bentonite, humic acid, gypsum, sulfur powder, chitosan, zinc sulfate and sodium naphthaleneacetate. After acting on soil of saline alkali land, the saline alkali soil conditioner can obviously reduce the soil acidity or alkalinity, total salt content and volume weight, thus accelerating the formation of soil aggregates; the soil organic matter content can be greatly increased to improve the soil fertility and regulate crop growth; and finally, by improving the physicochemical property of the soil, the investment is reduced, and the yield and quality of crops are improved. Besides, the preparation method of the saline alkali soil conditioner is simple, environment-friendly and easy to operate.

The invention discloses 3D-shaped colorable ion exchange glass and a preparation method thereof. The glass comprises 55-75% of SiO2, 7-23% of Al2O3, 0-5% of B2O3, 3-25% of Na2O, 0-6% of K2O, 0-5% of P2O5, 0-6% of ZnO, 0-3% of MgO, 0.1-3% of CaO and 0-4% of SnO2. The preparation method comprises the following steps: step 1, subjecting the above raw materials to melting and molding to form flat glass; step 2, performing high-temperature annealing treatment; step 3, carrying out ion exchange in the molten salt of a coloring agent at 380-450 DEG C for 1-6 h, wherein the molten salt of the coloring agent molten salt is composed of 30%-50% of copper nitrate, 20%-35% of potassium nitrate and 20%-35% of sodium nitrate; and step 4, carrying out cooling to 80 DEG C from 400 DEG C within 1 h to obtain the glass. The glass has a low softening point and can meet the artistic demand on product shapes through reprocessing.

A method for preparing nano pipe sodium titanate/metatitanic acid, comprising the following steps: (1) mixing the compound containing titanium with the strong alkaline solution with the wight proportion being 20-80%; (2) heating and backflowing in the microwave oven for 10 minitues-20 hours; (3) cooling and depositing the reacted mixing liquid, washing the deposite to make the pH be 6-8, separating and getting the nano pipe sodium titanate, immersing the product got in the above reaction in strong acid for 3-72 hours, washing, drying and getting the nano pipe metatitanic acid. The invention is characterized by the temperated reacting condition, fast reaction velocity, high performance and cost ratio of the product and being suited to produced industrially.

The invention provides a method for preparing a montmorillonite/graphene oxide aerogel/epoxy resin composite material and relates to a study on single-aspect performance of a double-phase composite material or epoxy resin. The method for preparing the montmorillonite/graphene oxide aerogel/epoxy resin composite material comprises the following steps: after adding expanded graphite to a container under a condition of ice-water bath, adding a mixed solution of concentrated sulfuric acid and concentrated nitric acid to the container; adding potassium permanganate to the container; stirring and heating an obtained mixture; after adding hydrogen peroxide to the mixture till a solution becomes luminous yellow, adjusting the PH value of the solution to 7; centrifuging the solution; freezing and drying the solution to obtain graphene oxide aerogel; taking the graphene oxide aerogel and adding the graphene oxide aerogel to acetone solution; carrying out ultrasonic treatment on an obtained mixture to obtain modified graphene oxide under the nitrogen protection; adding acetone to the modified graphene oxide and modified montmorillonite mixture; adding pre-heated epoxy resin to the modified graphene oxide and modified montmorillonite mixture in advance; and ultrasonically stirring, vacuumizing, heating, curing and cooling an obtained mixture to obtain a three-phase composite material. Themethod for preparing the montmorillonite/graphene oxide aerogel/epoxy resin composite material is used for preparing the montmorillonite/graphene oxide aerogel/epoxy resin composite material.

The invention relates to the technical field of soil improving materials, in particular to a soil conditioner. The conditioner is mainly prepared from mineral materials, an activating agent A, a microbial agent, an activating agent B used for providing nutrition for the microbial agent, and an enzymic preparation. The mineral materials include zeolite, attapulgite and sepiolite. The main component of the activating agent A is organic acid. A bacterial strain contained in the microbial agent is bacillus subtilis.

A porous electrolytic composite membrane for electrochemical energy systems, such as alkaline fuel cells, metal-air batteries and alkaline electrolyzers, comprises a porous polymeric material and nanomaterials. The polymeric material is preferably polybenzimidazole (PBI). The nanomaterials are preferably functionalized or non-functionalized. The nanomaterials are preferably titania nanotubes and/or graphene oxide nanosheets. The membrane further comprises an electrolyte solution, such as KOH. A method of preparing the membrane is also provided.

The invention discloses a high-energy activation water filter, comprising a cylinder-shaped housing, a water outlet pipe installed on the top of the housing and communicated with the inner part of the housing, a water inlet pipe installed at the bottom of the housing and communicated with the inner part of the housing, a filter element layer installed in the housing and a filter element cleaning device for cleaning the filter element layer along the reverse direction of filter water, wherein the water inlet of the water inlet pipe and the water outlet of the water outlet pipe are connected in series and installed on a tap water pipeline. By utilizing the water filter, a water purifier can be effectively and automatically cleaned, and simultaneously the needs of drinking hot water of people can be met through heating.

The invention relates to a water quality modifier, and in particular to a water quality modifier and a preparation method thereof. The modifier is prepared from the following raw materials in parts by weight: 20 to 30 parts of zeolite powder, 12 to 25 parts of calcium peroxide, 13 to 27 parts of lignite, 4 to 11 parts of lignin, 5 to 10 parts of polyethylene glycol, 4 to 11 parts of potassium ferrate, 6 to 13 parts of titanium dioxide powder and 7 to 15 parts of polyethyleneimine. The technical scheme provided by the invention can be used to a certain extent for overcoming the defects of being poor in ammonia nitrogen removal effect in wastewater, not conducive to the survival of fish and poor in water quality modification effect of a modifier provided in the prior art.

The invention discloses a multifunctional ecological soil conditioner. The soil conditioner comprises urea-formaldehyde foam containing organic matters, biochar, humic acid, wood vinegar, imidazole modified tapioca starch and azotobacter. The multifunctional ecological soil conditioner simultaneously has the multiple conditioning effects of stabilizing heavy metals, preserving moisture and fertility, realizing slow release and long-time action of nutrients, increasing the fertilizer utilization ratio, improving the soil structure and micro-ecological environment and the like, and can adapt to conditioning and restoration of various polluted soils.