30results about How to "To achieve the effect of purifying water" patented technology

This invention discloses an algicide, it is composed of (by mass percentages): SiO2 65-85%, Al2(SO4)3 and Fe2(SO4)3 being 20-25% respectively. This inventive algicide has double function of combination of chemical flocculation and physical absorption, it can remove blue-green algae and also impurities in water. It has advantages of: easy processing, easy to be used. Low cost, better effect for removing blue-green algae.

The invention belongs to the technical field of environment-friendly materials and particularly relates to a multifunctional ceramic material as well as a preparation method and application thereof. The multifunctional ceramic material is prepared from the following raw materials in parts by weight: 20-30 parts of zirconium sodium phosphate, 10-30 parts of hydrogen-enriched water porcelain, 5-10 parts of negative ion powder, 20-30 parts of modified shell powder, 3-5 parts of an inorganic antibacterial agent, 1-3 parts of three-dimensional graphene, 5-10 parts of activated carbon, 5-10 parts ofcalcium sulfite and 5-20 parts of a binder, wherein the inorganic antibacterial agent is nano-zinc oxide, cerium oxide, titanium oxide and silver oxide; and the binders are hydroxy propyl cellulose and bentonite. The multifunctional ceramic material has the functions of preparing weak base water, hydrogen-enriched water and negative potential water and further has the efficacies of resisting bacteria, removing chlorine and purifying water. The preparation method has the characteristics of easiness in industrial production and good economic benefit; and the multifunctional ceramic material iswide in application field and can be applied to water purifiers, water purifying kettles, water cups, dish washers and humidifier products.

The invention relates to a charged membrane device for water processing. The device comprises a power supply, a membrane group device and a membrane assembly, wherein the membrane group device is groove-shaped, the upper portion and the lower portion of the membrane group device are open and the periphery of the membrane group device is sealed, the membrane assembly is arranged inside the membrane group device, and the outer surface of a hollow fiber membrane wire is coated with a layer of outer tubular supporting layer having a mesh multi-hole structure to form a hollow fiber membrane. When the device is applied in an immersion type membrane separation technology, under the action of current of the power supply, the hollow fiber membrane wire is shielded by the negative electrode of the outer tubular supporting layer, and pollutants with negative electricity can hardly pollute the hollow fiber membrane under the action of electrostatic repulsive force and the flocculation of an electrode dissolution flocculating agent, so that membrane pollution is controlled. The charged membrane device having an anti-pollution function and capable of generating the flocculating agent can control membrane pollution effectively and has the advantages of being high in stain resistance, high in strength of the membrane wire, free of addition of the flocculating agent, capable of purifying waterquality, practical and the like.

The invention discloses a construction method of a lake water purification system. The method includes the steps of: (a) site surveying; (b) site construction; (c) precipitation zone configuration; (d) aeration zone configuration; (e) compounding zone configuration; (f) ecological planting zone configuration; (g) floating island unit establishing; and (h) regional beautification. The method provided by the invention has the advantages of simple construction, short construction period and cost saving, and after construction, the purification system has the functions of water storage, flood control, and water and air purification, can protect biodiversity, adjust microclimate and improve environmental quality, thus laying the foundation for water quality improvement of regional lake water.

The invention creatively discloses a preparation method of modified medical stone. The preparation method of the modified medical stone comprises the following steps: roasting the medical stone, then crushing the medical stone, screening to extract the medical stone with a particle size of 40-80 meshes, soaking the medical stone with a hydrogen chloride solution by radiation of ultrasonic wave with power of 60W, dipping the medical stone with a sodium chloride solution under negative pressure of 10-30 MPa, soaking the medical stone with a lithium chloride solution at 25 DEG C by oscillating at a rate of 180 r/min, soaking the medical stone with an aluminum chloride solution at 90 DEG C by oscillating at a rate of 100 r/min and soaking the medical stone with hydrogen peroxide step by step. According to the soaked medical stone, the ion exchange capability and the adsorption capability of the medical stone are greatly improved; the medical stone can be used for adsorbing and removing ammonia nitrogen and heavy metal ions; the effect of purifying water is achieved.

The invention provides a laddered combined ecological floating island used for micro-polluted water disposal. The solar laddered combined ecological floating island is provided with multiple ladderedwater purification ponds which are distributed from bottom to top and also includes a water feeding device, a drainage device, siphons and plant cultivation pads. The feeding device consists of a water pump and a water feeding pipe, a water inlet of the water feeding pipe is connected with a floating water area of a floating island body, and a water outlet is positioned in the water purification pond at the top; the drainage device is installed in the water purification pond at the lowest position, and a drainage port of the drainage device is connected with the floating water area of the floating island body and used for automatically controlling the water level of the water purification pond at the lowest position; the siphons are installed in each water purification pond above the waterpurification pond at the lowest position; when the water level of an arbitrary water pond above the water purification pond at the lowest position is higher than preset water level, water in the water purification pond is drained into the corresponding water purification pond below the water purification pond through the corresponding siphon; the plant cultivation pads are arranged at the bottomsof all the water purification ponds and used for cultivating and purifying plants. The laddered combined ecological floating island is simple in structure, convenient to apply and capable of being used for removing pollutants in polluted water.

The invention discloses a sewage treatment system, and relates to the technical field of sewage treatment. The system mainly includes a sewage pool, a coarse grid, a grit chamber, a primary sedimentation tank, an adjustment tank, a flocculation tank, a secondary sedimentation tank, an anaerobic tank, an aerobic tank, an anoxic tank, a filtering device and an ecological filter tank, a flocculatingagent is added into the flocculation tank, and the flocculating agent comprises, by weight, 20-45 parts of lignin, 3-7 parts of trioxymethylene, 12-18 parts of triethylenetetramine, 2.5-3 parts of sodium hydroxymethanesulfonate, 6-9 parts of isobutanol, 11-17 parts of 2,3-epoxypropyltrimethylammonium chloride, 5-8 parts of aluminum sulfate, 2.5-3.8 parts of ferrous sulfate, 6-9 parts of zinc chloride and 16-20 parts of polyacrylamide. The system solves the problems of long acting time and poor removal effect of the flocculating agent, and reaches the advantages of fast action and good removaleffect of the flocculating agent.

The invention discloses an in-situ reduction or control method of sewage discharged from a sewage discharge outlet, and the in-situ reduction or control method comprises the following steps of: A, building a downstream filter tank and an upstream filter tank on a river/lake along the lower ends of the sewage discharge outlets of embankments; B, placing fillers to the filter tanks, and after 2-3 days, naturally growing microbes on the fillers to form biological membranes, wherein the sewage enters the downstream filter tank, flows through the filler from top to bottom, then reaches the bottom of the downstream filter tank and enters the filter tank through a water-permeable hole, and the sewage flows through the filler from bottom to top to degrade organic pollutants through the microbes positioned on the biological membranes; and filtering, absorbing and removing suspended materials contained in the sewage; C, planting aquatic plants on the surfaces of the filter tanks to achieve purification and landscape effects; and D, detaining the sewage, which is discharged from the sewage discharge outlet, in the filter tanks for 10-12 hours to reduce nitrogen, phosphorus and COD (Chemical Oxygen Demand), and overflowing treated clear water into the river from the tops of the filter tanks. The method disclosed by the invention is easy to carry out, simple to operate, low in cost, has good effect and is suitable for the in-situ control of the sewage discharged from the sewage discharge outlet of the lake into a riverway.

The invention relates to a super-hydrophobic three-dimensional porous material and a preparation method thereof, and belongs to the technical field of oil-water separation. The super-hydrophobic three-dimensional porous material comprises a three-dimensional porous skeleton structure material and a modified material coating the surface of the three-dimensional porous skeleton structure material, wherein the modified material is prepared from TiO2 nanoparticles and polydimethylsiloxane. The preparation method of the super-hydrophobic three-dimensional porous material comprises: attaching TiO2 nanoparticles to the surface of a three-dimensional porous skeleton structure material by adopting a sol-gel method, and then attaching polydimethylsiloxane to the surface of the prepared material by adopting an impregnation method. The super-hydrophobic three-dimensional porous material has high oil-water selectivity and high adsorption capacity, is simple in preparation process, low in cost and high in adsorption capacity, and can be recycled.

The invention relates to the technical field of water environment pollution treatment, discloses a sewage draining exit sewage strengthening treatment apparatus, and also discloses a sewage draining exit sewage strengthening treatment method. The apparatus comprises a water tank, and the water tank comprises three first side walls (1) and one second side wall (2), the first side walls are first baffle plates with holes, the upper side of the second side wall is provided with a sewage connector (21), the lower side of the sewage connector (21) is provided with a string bag (3), so that sewage flows from the sewage connector (21) into the string bag (3); the outside of the string bag (3) is provided with a filling material zone (4), the outside of the filling material zone (4) is provided with a filter material zone (5), water plants are planted on the upper side of the filter material zone (5), and a second baffle plate with holes (6) is arranged between the filling material zone (4) and the filter material zone (5). The apparatus has the advantages of simple and easy operation, small volume without energy consumption, small land occupation, high efficiency, and long usage life; and the apparatus is suitable for promotion and application of town open rives sand other river bodies where interception by pipes cannot be enforced.

The invention discloses an industrial wastewater zero discharging technology for the phytoextraction industry. The technology comprises the steps of 1, rough filtration, wherein rough filtration is conducted on wastewater; 2, pH adjustment, wherein pH adjustment is conducted on wastewater with acid or alkali to enable the pH of water to be 4-9; 3, electric flocculation reaction, wherein wastewater with the pH adjusted is introduced into an electric flocculation system for reaction; 4, solid-liquid separation, wherein water discharged after electric flocculation enters a solid-liquid separating system so that solid slag and electric flocculation clear liquid can be obtained; 5, ultrafiltration treatment, wherein electric flocculation clear liquid is introduced into an ultrafiltration system to generate ultrafiltration concentrated solution and ultrafiltration dialyzate, and ultrafiltration concentrated solution is returned for electric flocculation reaction; 6, reverse osmosis treatment, wherein ultrafiltration dialyzate is introduced into a reverse osmosis system for reverse osmosis treatment, then reverse osmosis dialysis water is reused for production, and reverse osmosis concentrated solution is returned for ultrafiltration treatment. The technology has the advantages that structural design is scientific, technological process is short, produced water is reused, cleaner production is realized, and industrial wastewater zero discharging is realized.

The invention discloses a method for performing water quality purification and slope protection by applying novel wave attenuation and slope protection blocks. The novel wave attenuation and slope protection blocks used in the method disclosed by the invention adopt A type wave attenuation blocks and B type wave attenuation blocks, which are meshed and linked to form matrix units, and the adjacent units are linked into a whole for jointly resisting the impact of waves and water flow, so that the great integrity is realized, the specification of block bodies can be designed and produced according to specific needs, the wave attenuation and slope protection blocks are aesthetic in appearance and diverse in splicing ways, the edges and the corners are shaped like arcs and the porosity between the block bodies is large. According to the method disclosed by the invention, by designing the novel wave attenuation and slope protection blocks with the brand new structure, wave attenuation and slope protection functions can be met, a multi-dimensional space structure can be simultaneously created, and a polynary water quality purification function is realized; and furthermore, zeolite, waste scrap iron and other materials are filled in the wave attenuation blocks to create an appropriate growth space for microbes and riparian plants and further seek an integrated technology which is more ecological, more environment-friendly, more low-carbon, more advanced and more practical.

The present invention discloses an electronic flocculation apparatus for a pipeline. The electronic flocculation apparatus is characterized by comprising an oscillating circuit (1), a coil (2) and a magnetic conducting ring; a pipeline (4) which is arranged in the magnetic conducting ring in a sleeving manner is used for delivering water; the coil (2) is wound on the magnetic conducting ring, and the coil (2) is connected with the oscillating circuit (1) to form a current loop; the magnetic conducting ring is one of ferrite, cobalt and nickel, or a mixture thereof; the included angle between the normal direction of a plane that the magnetic conducting ring is located and the axial direction of the pipeline (4) is 0-60 degrees for introducing an alternating electromagnetic field into the pipeline (4), so that impurities in water delivered in the pipeline (4) undergo a flocculation reaction. According to the apparatus disclosed by the present invention, the range of action of the electromagnetic flocculation can be extended, and the electronic flocculation apparatus is good in energy transmission effect and is convenient for practical application.

The invention discloses a sewage purifying agent capable of efficiently removing total ammonia nitrogen, which is prepared from the following raw materials: modified bentonite, modified medical stone, modified clay, microbial strains, calycosin-7-O-glucopyranoside, calcium stearate, carboxymethyl cellulose, sodium lignin sulfonate, chitin and humic acid. The modified bentonite is added and has ultrahigh porosity and specific surface area, light weight and high adsorption capacity; the ion exchange capacity and adsorption capacity of medical stone are greatly improved by adding the modified medical stone, the modified medical stone can be used for adsorbing and removing ammonia nitrogen and heavy metal ions to achieve the effect of purifying a water body; themodified clayis added and has a large number of nano micropores by adding the modified clay, has very strong adsorbability, and can adsorb harmful substances or heavy metals such as algae pollutants, organic pollutants, chlorides, nitrites, cyanides, lead, mercury, arsenic and the like; and the carboxymethyl cellulose and the sodium lignin sulfonate are added and have a synergistic effect, so that the sewage treatment effect is improved.

The invention discloses a rural domestic sewage treatment box, which comprises a sewage treatment box body, the interior of the sewage treatment box body is fixedly connected with a partition, the left side of the partition is provided with a first-level sewage treatment pool, the one One side of the first-level sewage treatment tank is provided with a water inlet hole, and the inner wall of the water inlet hole is fixedly connected with a water inlet pipe. The inside of the first-level sewage treatment tank is sequentially provided with a clear water layer, a filter layer and a sedimentation layer. , the clear water layer, filter layer and sedimentation layer are all fixedly connected to the inner wall of the first-level sewage treatment tank, the bottom of the first-level sewage treatment tank is provided with a sewage outlet, and the bottom of the sewage outlet is fixedly connected with a sewage discharge cover, so The lower end of the sewage cover is bolted to a sealing cover, and one side of the partition is provided with a first-level drainage hole. The invention can reasonably process domestic sewage, rationally utilize sewage, realize sewage reuse, bring convenience to people's lives, and be beneficial to environmental protection.

The invention discloses a constructed wetland island water quality purification system and a construction method thereof. The water quality purification system of the constructed wetland island comprises an island body, an ecological gabion and an aquatic plant, the ecological gabion is arranged at the joint of the island body and the water body, the ecological gabion comprises a gabion net frame,a gabion top net groove and a gabion side net groove, the gabion net frame is L-shaped, its bottom is inserted in the body of the island, the top mesh groove of the gabion is arranged on the top of the gabion net frame, the side net groove of the gabion is arranged on the side of the gabion mesh frame far away from the island body, volcanic rock stones are loaded in the inside of the gabion meshframe, the top net groove of the gabion and the side net groove of the gabion are provided with ecological fiber bags. The ecological gabion adopted by the constructed wetland island is provided withplanting grooves at the side and top, which not only can enrich the landscape level of the water body and create beautiful artistic conception, but also has the functions of self-purification and hydrophilicity, thus achieving the effect of purifying water.

The invention relates to a sudden expansion ceramic pipe for sewage treatment, which is characterized in that: the upper part of the pipe internal side of the sudden expansion ceramic pipe is in a concave-convex indented shape; and ceramsite slates are arranged on the upper wall of the inner side of the concave-convex indented shape and the lower part of the inner side of the sudden expansion ceramic pipe. The internal wall of the pipe is adhered with a large amount of ceramisites. According to Bernoulli's law, the sudden expansion pipe generates rotating vortices at a sudden expansion place. The effect strengthens the action between sewage and the ceramisites and allows the ceramisites to achieve better absorption effect, so water quality is improved and the water is purified.