97results about How to "Good effect of hanging film" patented technology

The invention discloses a suspending film method of filler in biological contact oxidation pond, which comprises the following steps: fistedly domesticating activated sludge; adding nutrient solution into domestic activated sludge and armed waste water miscible liquids; mixing evenly; injecting into oxidation pond; aerating; cycle culturing; making microbe adhere on carrier; stewing and settling span; discharging all of sludge water miscible liquids; proceeding waste water culture from low density to high density continually till forming stable shockproof biological film.

A combined ecological floating bed device relates to a combined ecological floating bed device for in-situ purification of polluted water of rivers and lakes, comprising an anchoring rod (2), a fixing rotary shafts (3), a connecting rod (4), a fixing rod (5), a floating body (6), bio-net filler (7) and aquatic plants (8). The floating body (6) is fixedly connected with the fixing rod (5) which is movably connected with the connecting rod (4) and anchoring rod (2) through two fixing rotary shafts (3), the anchoring rod (2) is fixedly connected with a revetment (1), and the floating body (6) is provided with the bio-net filler (7) thereunder and aquatic plants (8), such as iris pseudacorus, scirpus tabernaemontani, canna, torilisjaponica and vetiver, thereon. The invention has the characteristics of simple structure, convenient installation and management, good effect of purifying water, strong stream shock resistance, automatic elevation along with the water level change, no influence to the safety of river channel navigation and the like, thus being very suitable for the in-situ purification of natural river channels, lakes and scenic waters.

The invention provides a retiform biological filling device and relates to a water root position cleaning treatment biological filling device. The retiform biological filling device comprises a filling grid (1), a combination filling unit (2), a rope (3), a float ball (4), a sleeve (5) and a dead lever (6); the combination filling unit (2) is fixedly connected with the grid crunode of the filling grid (1), the upper end of the filling grid (1) is connected with the float ball (4) by the rope (3), the two ends of the filling grid (1) is fixedly connected with the sleeve (5) by fixed boundary lines, when in use, the dead lever (6) is inserted in the sleeve (5), and fixation to the retiform biological filling is realized. The retiform biological filling of the invention has the advantages of simple structure, high specific surface area, convenient processing and transportation, not jamming, not caking, long service life, simple installation, convenient management and maintenance, strong ability of anti impulsion of water flow, and the like, which can be used in root position cleaning treatment of natural water such as riverway, lake and reservoir, and artificial water.

The invention provides a wastewater treatment filling material and a preparation method thereof. The wastewater treatment filling material comprises the following component raw materials by weight percent: 20-70% of iron powder, 2-15% of copper powder, 3-10% of bamboo charcoal powder, 2-15% of kaolin, 2-15% of magnesite powder and 10%-30% of zeolite powder. The preparation method comprises the following steps: respectively smashing and carrying out ball-milling on the component raw materials; then mixing and granulating to form a granular mixture; and finally, preparing a granular filling material by high-temperature sintering or cold pressing. Compared with the prior art, the wastewater treatment filling material prepared by the method provided by the invention has the characteristics that reaction rate is high, wastewater treatment time only needs from several minutes to tens of minutes; treatment amount is large; coagulation effect is good, COD (chemical oxygen demand) removal rateis high, and removal of chroma is better; service life is long, and cost is low; the range of acting on organic pollutants is wide; and operation and management are convenient, and passivation, channeling and wastes are not generated.

The invention discloses an artificial wetland-microbial fuel cell coupling device with a multi-medium filter material and a wastewater treatment method by using the device, and belongs to the technical field of sewage treatment and electrochemical coupling. The artificial wetland substrate is prepared by the multi-medium filter material, and coconut shell activated carbon and stainless steel netsare used as an anode and a cathode. Emergent aquatic plants are planted, and aeration pipe are arranged. The device comprises a sieve plate, a zeolite zone, an anode zone, a ceramsite zone and a cathode zone from bottom to top; the anode zone and the cathode zone are both laid by the stainless steel meshes and are connected through an external circuit; an outer resistance is arranged between the anode and the cathode; an outflow water collecting zone and an inflow water distribution zone are respectively arranged at the upper part and the lower part, and the outflow water collecting zone and the inflow water distribution zone are respectively connected with a water supply system and a drainage system; a water inlet tank is connected with the bottom of the device; and a water outlet is formed in the upper part of the device. According to the system, the coupling effect of artificial wetland and a microbial fuel cell is fully exerted, and the multi-medium filter material is utilized, sothat the denitrification effect is enhanced, electricity generation performance is improved, and recycling of resources is realized.

The invention particularly relates to a forsterite bio-filter material for sewage treatment and a preparation method of the forsterite bio-filter material. The technical scheme is as follows: the preparation method comprises the following step: uniformly mixing 45-55wt% of forsterite raw ore fine powder, 20-30wt% of talc fine powder, 15-25wt% of magnesium oxide fine powder and 2-6wt% of dravite micropowder as raw materials with additional 2-6wt% of starch to prepare a mixed material; then, putting the mixed material and polystyrene balls in a pelletizer in a volume ratio of the polystyrene balls and the mixed material of (1.5-2.0) to 1; then, adding 10-20wt% of water to prepare particles with the grain size being 5-13mm; and then, roasting the prepared particles for 16-24 hours at 110-150 DEG C, and sintering for 2-4 hours at 1300-1500 DEG C to prepare the forsterite bio-filter material for sewage treatment. The forsterite bio-filter material for sewage treatment is simple in process and wide in source of raw materials and the prepared forsterite bio-filter material for sewage treatment has the characteristics of good flora biofilm culturing effect, high flora survival rate, good decoloring effect and high strength.

The invention relates to a preparation method of modified polyurethane sponge filler for emergency of an MBBR (Moving Bed Biofilm Reactor) process. The preparation method is characterized by comprising the following specific steps: soaking a sponge filler into an acidic potassium permanganate mixed solution; taking out the sponge filler, soaking the taken sponge filler into a hydrochloric acid solution until a brown layer on the surface is washed away, taking out the sponge filler, and performing draining; putting the sponge filler into PBS for soaking, taking out the sponge filler after the solution is neutral, and naturally airing the sponge filler; soaking the air-dried sponge filler into a modifier, taking out the sponge filler, and performing draining; soaking the sponge filler into agelatin protein solution containing diatomite and powdered activated carbon; and taking out the sponge filler, performing washing, and performing natural airing to obtain the modified sponge filler used for sewage treatment. The method has the beneficial effects that through the synergistic mechanism of the adsorption effects of activated carbon and the diatomite attached to the surface of the sponge filler and the oxygenolysis effect of microorganisms, the biofilm culturing speed can be increased, meanwhile, the degradation performance of the sponge filler on pollutants in sewage is effectively improved, and therefore the sewage treatment effect is improved.

The invention relates to water conservancy bank protection buildings, in particular to a layered water landscape bank protection system. The layered water landscape bank protection system can integrate watercourse protection, river aquatic animal parasitism and plant landscape. The system is formed by staggered arrangement of a kind of concrete blocks layer by layer, namely blocks are arranged in parallel on the bottom layer of a watercourse along a river bank firstly, then blocks are piled on the bottom blocks in a staggered mode, adjacent layers of blocks are fixed with connecting rods, the rest is done in the same way till the blocks are piled on the top of the bank, and then the layered water landscape bank protection system is formed. A cylindrical gallery on the blocks can be filled with pebbles under the water surface to serve as a gallery for living of small aquatic animals, planting soil can be arranged above the water surface for green planting, and a fan-shaped gap between every two adjacent blocks can serve as a planting groove which is filled with planting soil for planting of aquatic plants. The layered water landscape bank protection system can protect and green the river bank, enables tourists to be close to the water surface, and plays an important role in creating watercourse landscape.

The invention discloses a biofilm culturing method for treating domestic wastewater, and solves the problem of low biofilm culturing speed of domestic wastewater treatment equipment. The biofilm culturing method for treating domestic wastewater has effects of improving a biofilm culturing effect of nitrifying bacteria and shortening starting time of equipment. According to the technical scheme, the biofilm culturing method for treating domestic wastewater comprises the following steps: firstly, inoculating activated sludge in a sequencing batch reactor with a filler, and aerating for 2 days; secondly, adding a nutrient, taking 1-hour static settling, 0.5-hour water draining, 0.5-hour water feeding and 10-hour aerating as a running period, and running two periods every day so that an irreversible biofilm culturing stage is changed into a reversible biofilm culturing stage; and changing running conditions and sludge concentration, taking 1-hour static settling, 0.5-hour water draining, 0.5-hour water feeding and 22-hour aerating as a running period, running a period every day, and continuously culturing for several days to finish a biofilm culturing process.

The invention discloses a novel biological rotating disc. The novel biological rotating disc comprises a fixed support, a sewage inlet, a clear water outlet, a sewage tank and a disc, wherein the fixed support is provided with a support flange, the disc is arranged on the fixed support, a rotating disc shaft with a driven wheel is arranged at the center of the disc, a motor and a speed reducer are arranged outside the sewage tank, the speed reducer is used for driving the rotating disc shaft to rotate through a driving wheel, a driving chain and the driven wheel of the rotating disc shaft, the disc is a full circular body composed of n fan-shaped sheet bodies with angles of 360 degrees / n (n is an even number) which are combined together, each fan-shaped sheet body comprises a disc side, a disc support part for connecting the disc side and the center and a reticulate structure for growth of a biological membrane, a disc fixing part is arranged at the joint of the disc support part and the disc side, and a fixing hole is arranged in the middle part of the disc support part. The novel biological rotating disc is simple in structure and low in energy consumption, occupies a small space, is free of noise due to no use of a draught fan for aeration, hardly generates odor and has good practicability. The sewage treatment efficiency of the novel biological rotating disc can be effectively improved.

The invention discloses a biochemical treatment device and for wastewater generated in production of polyester resin. The biochemical treatment device comprises an oil separator, a service reservoir, an internal circulating supporter-reinforced anaerobic jar, a biological contact oxidation pond, a facultative tank, an internal circulating anaerobic fluidized bed reactor, a membrane biological reactor (MBR) reaction tank, a clean-water reservoir, an automatic control device and a computer. The biochemical treatment device selectively degrades toxic organic matters in the polyester resin production wastewater through various treatment units, so as to greatly improve biochemical treatability of non-biodegradable organic matters, and the biochemical treatment device regulates and controls various functional microorganisms to synergistically degrade high-concentration toxic and harmful organic matters; meanwhile, the biochemical treatment device regulates water quality and quantity as well as sludge by virtue of the various treatment units, so as to provide the optimal growth condition for microorganisms having different functions and realize standard treatment of various pollutants of the wastewater. The biochemical treatment device is high in automation degree, convenient to manage, adapted to large fluctuation of water quality, stable and reliable in treatment effect, and can treat non-degradable biochemical wastewater.

The invention discloses a sewage processing system. The sewage processing system comprises an anaerobic pond, an aerobic tank, a flocculation basin, a filtering tank, and a disinfecting tank which arecommunicated through pipelines successively; a slag water separator is arranged at a water inlet of the anaerobic pond; an anaerobic biological rotating disc is arranged in the anaerobic pond; an aerobic biological disc is arranged in the aerobic tank; an adhesion foundation bed of the anaerobic biological rotating disc and an adhesion foundation bed of the aerobic biological rotating disc comprise a plurality of fan-shaped discs which are arrangedin annular arrays and are connected successively; a triangular grid structure is adopted by the fan-shaped discs; and the adjacent triangular holecross sections of the triangular grid structures are provided with projections. In applications, sewage is delivered through the slag water separator, the anaerobic pond, the aerobic tank, the flocculation basin, the filtering tank, and the disinfecting tank successively for processing; the processing technology is reasonable and effective; the triangular grid structures are adopted by the anaerobic biological rotating disc and the aerobic biological rotating disc, so that the specific surface area is larger, higher sewage treatment efficiency and better effect are achieved, and the dischargesewage is capable of reaching standards.

The invention relates to a lower water-inlet, lower aeration and upper water-outlet biological active carbon filter tank. The biological active carbon filter tank comprises a tank body, a biological active carbon material-filtering layer, a water distribution device, a filtering head, a supporting plate, an air distribution device and a purified water catching groove, wherein the water distribution device, the filtering head, the supporting plate, the air distribution device and the biological active carbon material-filtering layer are arranged in the tank body sequentially from the bottom to the top; and a water distribution inlet of the water distribution device and an air inlet of the air distribution device are both extended out of the tank body. The lower water-inlet, lower aeration and upper water-outlet biological active carbon filter tank has the advantages that: a lower water-inlet, lower aeration and upper water-outlet mode is adopted, and water and air flow towards the same direction and rise in a plug-flow mode, so that the resistance of a filter material to water is reduced and the filtering speed of sewage can be maintained stably and uniformly; simultaneously, the upward impact force applied to the filter material is increased, so that the filter material is in a swollen state; at the moment, the filter material is fully mixed with water and air so as to improve the membrane-filtering effect of the filter material; and the filter material is in the swollen state and is difficult to harden, so that the flushing frequency of the filter tank is reduced.

A pleasure-boat type movable water quality improving apparatus is composed of a pleasure-boat, an air supplying unit in said boat, and a living things carrier under said boat. Said carrier consists of the cylindrical fillers composed of mass transfer bodies, the pile loop bodies as planting carrier and fixing rings, and two fixing sleeve pipes arranged at both ends of fillers.

The invention provides an integral stereoscopic wetland wastewater treatment effluent TN control device and method. The treatment device comprises a wastewater pretreatment region, a horizontal flow wetland wastewater purification region, a vertical flow wetland sludge purification region and a vertical flow wastewater purification region, wherein the horizontal flow wetland wastewater purification region and the vertical flow wetland sludge purification region are arranged in parallel above the wastewater pretreatment region; and the vertical flow wastewater purification region is arranged onthe side edge, is partitioned with a concrete structure and is sequentially provided with a crushed stone layer, a natural vermiculite layer, a riversand layer and a biological filler ball layer fromtop to bottom, the layers are assembled by adopting a module type, and the filling ratio of biological filler balls in the biological filler ball layer is 20-65 percent. The method is small in occupied area, stable in treatment effect and convenient in operation management, does not cause secondary pollution and is suitable for various wastewater treatments.

The invention discloses a method for promoting a biofilm culturing effect by modifying the surface of polyurethane. According to the method, polyurethane is used as a template material in a layer-by-layer self-assembly process; iron and manganese ions cover the surface of the material through pretreatment of an iron-manganese salt solution, so that the surface of the material has certain surface positive charges; and plasma grafting modification is carried out to generate a large number of active free radicals on the surface of the material, covalent reaction with sodium alginate is carried out, finally, a layer-by-layer self-assembly process is realized under the driving of electrostatic force between a polyanion compound sodium alginate and a polycation compound chitosan, and therefore,a stable layered composite structure is formed on the surface of the material. By chemically modifying the surface of polyurethane, the obtained plasma modified iron and manganese ion-sodium alginate-chitosan layer-by-layer self-assembly material is good in biocompatibility, high in chemical stability, safe, non-toxic, simple to operate, low in cost and easy to obtain. By using the method, the microorganism immobilization efficiency can be effectively improved.

The invention discloses an efficient pulse anaerobic filter which comprises a filter body.Combined packing and an overflow weir which is arranged above the combined packing in a spaced mode are arranged in the filter body, a bell-jar siphoning type pulse generator is arranged on the upper portion of the filter body, an exhaust box of the bell-jar siphoning type pulse generator is located on the overflow weir, a drainage lower opening of the exhaust box is communicated with a water-distribution main pipe which is longitudinally arranged in the filter body, and the water-distribution main pipe penetrates through a combined packing area to be communicated with a mud discharge pipe located at the bottom area of the filter body and multiple perforated water-distribution branch pipes located below the mud discharge pipe.The efficient pulse anaerobic filter is simple in structure, low in construction cost and convenient to maintain.

The invention belongs to the technical field of amino acid mother liquor treatment and discloses a method for separating and extracting amino acid mother liquor. The method comprises the following steps: 1) extracting and separating threonine through chromatography; 2) preparing a fermented liquid; 3) preparing an anabaena flos-aquae fluid; 4) treating effluent. According to the invention, high performance liquid chromatography is firstly adopted for separating residual threonine in mother liquor; the separated component can be used for fertilizers; a certain amino acid product can be acquired; pollutant concentration in effluent can be reduced; biochemical treatment time can be shortened; waste of resources can be eliminated.

The invention discloses polyether type polyurethane-graphene oxide foam as well as a preparation method and an application thereof, which belong to the technical field of biological fillers. The polyether type polyurethane foam is used as a carrier of a fixed carrier graphene oxide, and the polyether type polyurethane foam is shaken and subjected to ultraviolet curing in a graphene oxide dispersion liquid to obtain the polyether type polyurethane-graphene oxide foam. The method is simple to operate, low in cost, green and environment-friendly, and provides a new way for immobilization of graphene. The obtained polyether type polyurethane-graphene oxide foam retains the excellent properties of polyether type polyurethane foam and graphene oxide, has good hydrophilicity, water binding capacity and surface charge distribution, has a good biofilm culturing effect, and has a good effect when being used as a biological filler for sewage treatment.

The invention discloses a sludge-free biologic ball ultra-clean sewage treatment method and a sludge-free biologic ball ultra-clean sewage treatment system, belonging to the technical field of sewage treatment. The sewage treatment method comprises the following steps: (1) selecting sand balls as biologic film packing, and setting the number of biologic reaction tanks and the total volume of biologic nests; (2) correspondingly setting the concentration of dissolved oxygen provided by an aeration device according to the volume of biologic nests inside each biologic reaction tank; (3) feeding a fixed amount of composite bacteria into each biologic reaction tank, covering and exposing for days, feeding a small amount of composite bacteria every other day, and continuously feeding for days, wherein the water needs to be stopped for hours and subsequently is fed after the bacteria are fed each time; (4) after a biologic film is generated, continuously feeding the water for sewage treatment. The invention further discloses the sludge-free biologic ball ultra-clean sewage treatment system. By adopting the method and the system, a good living environment can be established for microorganisms, all organisms, sludge and sludge residues in a sewage water body can be completely eliminated, and the water can rejoin in virtuous circle of the nature.

The invention discloses a high-strength disc porcelain insulator. The high-strength disc porcelain insulator comprises an insulator body, a steel cap and a steel pin, wherein the steel cap and the steep pin are in gluing connection with two ends of the insulator body through gluing layers; the insulator body of the high-strength disc porcelain insulator comprises a core head, a core bar, an upperskirt and a lower skirt, and is prepared from 20wt%-40wt% of calcined bauxite, 20wt%-40wt% of clay, 10wt%-15wt% of Nankeng china clay from Pingxiang, 5wt%-10wt% of tungsten pit mud from Yichun, 10wt%-20wt% of feldspar, 3wt%-5wt% of Dazhang clay from Liling and 3wt%-5wt% of black clay from Guangdong through mixing, dehydration clay squeezing, vacuum pugging, blank forming, fettling sintering, glazing, firing and gluing. Through structural and shape improvement, raw material selection and formula and process adjustment, skirt surfaces are processed by reasonably selecting raw materials with specific performance on the premise that material cost is not increased and a product does not get hard or brittle, and mechanical strength and various electrical properties of the insulator body are improved.

The invention relates to the technical field of modified starch and application thereof and particularly relates to modified starch for dried-fruit film forming, a preparation method therefor and an application of the modified starch. A preparation process of the modified starch comprises the steps of regulating the pH of native starch slurry to be alkaline, then, carrying out heating, then, adding 2-4 parts of oxidant, carrying out an oxidation reaction, then, adding 3-5 parts of vinyl acetate as an esterification reagent, and controlling esterification time to be 2 to 4 hours. The prepared modified starch is low and stable in viscosity, transparent in paste, low in retrogradation, high in film forming property and good in film forming performance and is applicable to dried-fruit film forming; and dried-fruit film forming slurry prepared by using the modified starch disclosed by the invention can form a layer of uniform, dense and tightly-bonded starch film on the surface of each dried fruit, dried fruits can be effectively prevented from becoming mildewed, meanwhile, the effects of increasing quantity, increasing weight and improving brittleness are achieved, and the economic value of the dried fruits is increased.

The invention discloses a high-efficiency filtering and purifying environmental-friendly filling material which is prepared from 30-60 wt% of red soil, 10-20 wt% of bone powder and 10-20 wt% of clay as raw materials by adopting the following steps of: uniformly mixing the three raw materials of the red soil, the bone powder and the clay in a ball mill; then, respectively adding plastic film dottle accounting for less than 0.01% of total weight of the three raw materials and organic cellulose accounting for 1-3% of total weight of the three raw materials into the ball mill for ball milling and rolling to obtain a mixture; and adding the mixture into a pug mill, adding tung oil accounting for 3-7% of the total weight of the three raw materials into the mixture for vacuum pug milling to produce thick pug, extruding and forming the pug in an extruder mold to produce wet blanks, and baking the wet blanks in the sun to produce semi-product blanks. The filling material can form a stable high-activity biological film, and can ensure that refractory microorganisms, metal ions and the like in matter to be treated can be favorably adsorbed and collected in holes of a filter material, thereby improving the treatment effect of filtration and purification, enhancing the compression strength of the filling material, prolonging the filtration and purification period, improving the filtration and purification effect, and lowering the treatment cost.

The invention discloses a biological purifying system of a water body on the side slope of a river or lake. The biological purifying system comprises first microbial carrier devices arranged along both sides of a river bank and second microbial carrier devices arranged on a river bottom; the first microbial carrier devices and the second microbial carrier devices are composed of building wastes and biological films attached to the surfaces of the building wastes; the building wastes are mounted and fixed on the river bank and over the river bottom by steel wire meshes or filler balls; the biological films include aerobic bacteria films and anaerobic bacteria films. The biological purifying system disclosed by the invention is low in investment and operation cost; the purpose of treating wastes with wastes is achieved by utilizing building wastes; an biofilm formation effect of microbes is good; no secondary pollution is caused to the environment; a water body purifying and decontamination effect is remarkable.

The invention discloses a microorganism aquatic plant of complex microbial inoculants and a preparing method of the microorganism aquatic plant of the complex microbial inoculants and an ecological restoration system. The microorganism aquatic plant of the complex microbial inoculants comprises the microorganism aquatic plant and microorganism film, the microorganism film is attached to bionic aquatic plant leaves, the microorganism aquatic plant comprises the bionic aquatic plant leaves and plant stalks, the bionic aquatic plant leaves cover the periphery of the plant stalks, and the microorganism film is attached to the bionic aquatic plant leaves. The microorganism aquatic plant of the complex microbial inoculants can be placed into a river channel which needs to be managed, the long film hanging time is saved, and efficient river channel management work is directly conducted. The ecological restoration system has the following advantages that a gauge has the buffering and filtering effect, when the ecological restoration system is placed into a water channel, water flow passes through the ecological restoration system, some impurities are filtered out, and the layer of gauge can play a buffering effect on the water flow to prevent the situation that the water flow is too large and influences the biological film on the microorganism aquatic plant of the complex microbial inoculants.

The invention relates to an apparatus and a method for treating high-ammonia nitrogen rural biochemical sewage based on an SBBR (sequencing batch biofilm reactor) process. The apparatus comprises an SBBR, a PLC, and a DO sensor, an ORP sensor, a pH sensor, a temperature sensor and a static pressure liquidometer which are arranged in the SBBR; a filler in the SBBR comprises a plurality of nylon ropes suspending in the SBBR, every nylon rope is fixedly provided with a plurality of fillers A and fillers B, every filler A and every filler B are surface cation modified high-density polyethylene materials, and the fillers A and the fillers B are alternately distributed; every filler A is has a disk shape, and an inner fan blade and an outer fan blade are arranged in every filer A in a turbine blade form; and every filler B has a radial fiber structure. The quality of effluent water treated with the apparatus and the method can reach first-grade A standards in Discharge Standard of Pollutantsfor Municipal Wastewater Treatment Plant (GB18918-2002).

The invention provides a biochar based spiral magnetic bio-membrane reactor. The biochar based spiral magnetic bio-membrane reactor is composed of a spiral U-shaped groove track and a magnetic biochar filler filled into the spiral U-shaped groove track. The spiral U-shaped groove track is ascending, the angle formed by the plane where the spiral U-shaped groove track is located and a horizontal plane is 8-15 degrees, the periphery of the projection of the spiral U-shaped groove track on the horizontal plane is round, the diameter of the circle is 4-6 times of the width of the spiral U-shaped groove track, the specific value of the length to the width of the spiral U-shaped groove track is greater than 20, and the depth is 8-12 cm. The magnetic biochar filler is prepared by the steps of ferrous ion absorption with biochar, standing and oxidation, strong alkali reaction and the like. When the biochar based spiral magnetic bio-membrane reactor works, sewage spirally flows down from the upper portion, and pollutants in the sewage are degraded under the effect of a biological film on the surface of the filler. In the whole treatment process, aeration is not needed, and almost no kinetic energy consumption is produced.

The invention relates to an integrated biological oxidation and ammonia removal device and an integrated biological oxidation and ammonia removal method. The device includes a first biological oxidation reaction chamber for carrying out an ammonia gas biological oxidation reaction, and a filler support layer disposed in the middle of the first biological oxidation reaction chamber. A microbial biofilm culturing packing is disposed on the filler support layer. The microbial biofilm culturing packing is a permeable and breathable molding module made of a high polymer material. The shape and size of the module are adapted to the central accommodation space of the first biological oxidation reaction chamber. And microbial activated sludge is contained in the microbial biofilm culturing packing. The device has the advantages of long service life up to 15 years or more and high ammonia treatment efficiency up to 80% or more.

The invention discloses a biological filler which comprises, in weight percentage, 5-15% of polyethylene, 55-65% of polypropylene and 25-35% of magnesium oxide, calcium oxide and potassium oxide. The invention further discloses a preparation method of the biological filler. The biological filler is high in biological affinity, good in biofilm culturing effect, growth of dominant strains suiting water bodies can be accelerated, and water treatment efficiency is improved.

The invention provides multifunctional ecological restoration equipment, and belongs to the field of ecological restoration and treatment. The ecological restoration equipment comprises floating assemblies, functional modules and connecting assemblies, wherein the functional modules are detachably connected with the floating assemblies and / or the connecting assemblies; the floating assemblies comprise floating pieces, and the floating pieces are detachably connected through the connecting assemblies to form the floating assemblies. The functional modules can be selected from one or more of a planting assembly, a habitat assembly, a purification assembly, a landscape assembly and a power assembly. The functional assemblies can comprise planting units, buoyancy adjusting units and purifyingunits. The ecological restoration equipment is designed in a nature-imitated mode, installation and construction are convenient, manual intervention is reduced according to the concept of system treatment, and ecological restoration of the water body is achieved. The invention further relates to an ecological restoration method using the multifunctional ecological restoration equipment.