TW201119955A - Entrapped mixed microbial cell with cellulose acetate, fabricating method therefor and wastewater treatment system of multi-function employing the same - Google Patents

Abstract

A multi-function wastewater treatment system is provided, including a plurality of treating units entrapped with cellulose acetate capable of removing organics and nitrogen compounds from the wastewater simultaneously and at least one membrane module arranged therein for suspended solid filtration. The provided wastewater treatment system is advantageous in the simplified operation, cost-effect and toxicity tolerance. Moreover, the system is capable of removing organics and nitrogen compounds from the wastewater under a controlled aeration mode, and enhancing the efficiency of membrane treatment. The expense for membrane module is thus reduced.

Description

201119955 VI. INSTRUCTIONS OF THE INVENTION: TECHNICAL FIELD The present invention relates to a wastewater biological treatment system', particularly to a wastewater biological treatment system using an activated sludge method. [Prior Art] The biological treatment system belongs to a wastewater treatment program. The secondary treatment process is mainly used to treat the wastewater after primary treatment and sedimentation, so that the wastewater is discharged after being treated by the biological treatment process and the final settling tank, which utilizes the metabolism of microorganisms to 'complex organic The compound is decomposed to remove biochemical Oxygen Demand (BOD), chemical oxygen demand (COD) and other organic substances, as well as nitrogen, dish and other compounds. Wastewater biological treatment procedures can generally be divided into good Oxygen treatment and anaerobic treatment, in which aerobic treatment is used to remove organic matter (carbon) from water and bio-oxidation of organic nitrogen and ammonia nitrogen compounds in wastewater into nitrate nitrogen compounds, while anaerobic treatment can be used for Treatment of nitrate nitrogen compounds in water (ie denitration procedure). The microorganisms used in the biological treatment process of wastewater are mainly composed of microorganisms such as bacteria, fungi, steaming, protozoa, etc., and it is often necessary to separately cultivate microbial groups of different compositions for different sources of wastewater and the types of substances to be removed. The impact factor of processing efficiency is very complicated, and it is very difficult to rely on the accumulation of experience in operation. The activated sludge process is an aerobic biological treatment method in which the wastewater after the primary treatment 201119955 flows into the aeration tank and is mixed with the activated sludge in the tank, and flows into the final settling tank to precipitate and separate the sludge. With the clean water; part of the separated sludge is continuously refluxed to the aeration tank (so-called return sludge), while the other part is discharged and advanced treatment (so-called waste treatment). In practice, in addition to the development of microbial populations, parameters such as residence time, sludge return flow, and aeration conditions must be precisely controlled to find the optimal operating efficiency of the system operating conditions. Since the activated sludge system is composed of a suspended aerobic microbial population, it is easy to peel off from the agglomerates, resulting in an increase in the concentration of suspended solids in the water; in addition to increasing the processing load of the activated sludge process, it also causes operating conditions. Not easy to control. In addition, in order to achieve the purpose of biological nitrification and biological denitrification, due to the selective decomposition of microorganisms, the existing biological treatment procedures must utilize multiple designs of sludge reflux and wastewater reflux, and repeat the gas in different reaction tanks (Anoxic). 'Anaerobic and Aerobic conditions control, nitrification of ammonia nitrogen compounds under aerobic conditions, and removal of BOD, COD and other organic matter in wastewater, supplemented by additional denitrification to remove nitric acid under anaerobic conditions Salt nitrogen compounds (the so-called A20 program), the complexity of the program 'occupies a large amount of processing area, and the processing cost is also relatively high. On the other hand, membrane separation systems are now widely used for wastewater treatment, which has many advantages, and can be applied to the treatment and recycling of various industries and people's livelihood wastewater, which can be said to be the current and future mainstream. At present, some technologies have been developed for the biological treatment combined with membrane filtration, that is, the separation of suspended biological sludge in the reaction tank by microfilasure (MF) or ultrafiltrati〇n (UF) microporous membrane. A good water quality 々 il water such as Membrane bioreactor (MBR) is obtained. However, due to the complex composition of wastewater and high-concentration sludge, suspended biological sludge rubber feather 201119955 and particles often adsorb on the membrane surface or membrane pores, causing membrane pore blockage to form scale, so it is necessary to clean or replace the membrane frequently; Due to the short life and operating life of the film membrane, it needs to be replaced frequently, and its cost is relatively high, which causes inconvenience in operation and is not economical. This is a bottleneck that needs to be broken. The applicant has developed a "multi-functional wastewater treatment system" and filed a patent application (Application No. 98114342, filed on April 30, 1998) to improve the above problems, which can reduce the water in the discharged water after biological treatment. Containing suspended particles, greatly reducing the concentration of suspended sludge and particles in the membrane module immersion tank to improve the processing efficiency and service life of the membrane module; it can also control the aeration mode operation in a single reaction tank in the same treatment tank. Removal of organic matter such as BOD and COD from water and nitrogen compounds and suspended particles. In order to further improve the processing efficiency of the multifunctional wastewater treatment system, the applicant has carefully improved the design of the multifunctional wastewater treatment system through careful testing and research. The treatment effect is further improved by adjusting the composition of the biological treatment unit of the wastewater contained in the multifunctional wastewater treatment system. The invention has the advantages of simple operation, less waste sludge, good nitrogen removal and carbon removal effect, and can stabilize the biological treatment tank in a short time, and has deep application value. SUMMARY OF THE INVENTION A first object of the present invention is to provide a wastewater biological treatment unit which is shaped by cellulose acetate to enhance the effect of activated sludge aggregation and has a better treatment efficiency. A second object of the present invention is to provide a wastewater biological treatment unit 201119955, which is capable of producing a sludge with good sludge aggregation and high treatment efficiency. The second Bmi of the present invention aims to provide a fixed type of activated sludge treatment early.杳甘处m ,. .....: When the wastewater treatment is carried out in the wastewater biological treatment tank, it is not easy to use the sludge flat & Body stripping results in suspended solids concentration in water

The fourth object of the present invention is to provide a wastewater biological treatment device which is simple in design, easy to operate, and does not require sludge recirculation design. In addition, the wastewater biological treatment equipment provided has a short start-up time and sludge in a short time. Can achieve the advantage of stability.

The present invention provides a wastewater treatment system comprising a wastewater biological treatment unit shaped by cellulose acetate to remove organic matter and nitrogen compounds in wastewater, and a membrane module is provided. In order to filter out suspended particles contained in the wastewater. The wastewater treatment system of the invention has simple operation, low cost, toxic strain capability, and can remove organic matter and nitrogen compounds in water under the single-reaction tank controlled aeration mode, and helps to improve the processing efficiency of the thin tantalum module and slow down the film. The consumption of modules. A sixth object of the present invention is to provide a wastewater treatment system which can reduce the amount of suspended particles contained in the water discharge after biological treatment, thereby improving the treatment efficiency and service life of the membrane module. A seventh object of the present invention is to provide a wastewater treatment system which can simultaneously remove nitrogen and carbon and filter out suspended particles in a single tank, thereby reducing the required treatment area by reducing the processing time. Based on the above object, the present invention provides a wastewater biological treatment single unit for removing organic matter and nitrogen compounds in wastewater, which comprises a material carrier and a supporting device for supporting and fixing the biological carrier. The system contains prepared active biological sludge and acetate fibers. According to the above concept, the supporting device is a cage structure which is constructed by three annular structures which are located in different planes. Preferably, the annular structures are made of a polyethylene or polypropylene material. In the preferred embodiment, the annular structures have an inner diameter of between 5 mm and 303⁄4 m and preferably 25 mm. According to another concept, the county has a plurality of meshes - a stencil. Preferably, the stencil is made of polyethylene or polypropylene material and the size of the stencil and mesh is designed according to the effluent load of the wastewater and the composition of the biological support. The present invention further provides a method for producing a wastewater biological treatment unit: the wastewater biological treatment unit is used to remove organic matter and nitrogen compounds in wastewater. The method of the method is 6A ff$<A&/. a) preparing a cellulose acetate (4) solution having a weight percent concentration of substantially 15%: (8) mixing a certain amount of live m with a certain amount of the cellulose acetate hydrazine solution to form a biological support; (4) The biological carrier is filled in a domain device to form a biological treatment unit, (4) the biological treatment unit is immersed in ^ 7 S3 201119955 / gluten solution and dried; and (e) is dried under aeration conditions The biological processing unit. According to the above concept, the solid content of the activated sludge in the step (b) is substantially 12%, and it is substantially 1 gram. According to the above concept, in the step (b), the cellulose acetate acetone solution is substantially taken up to 300 ml. According to the above concept, in the step (c), the supporting device is constructed by at least three annular structures located in different planes. In another embodiment, the support device comprises a web of a plurality of meshes. According to the above concept, in the step (d), the biological treatment unit is sub-into the toluene solution for substantially several minutes, and the drying time is substantially 3 to 4 hours. According to the above concept, in the step (d), the biological treatment unit is dried in a space where the exhaust gas is good. According to the above concept, in the step, the biological treatment unit is washed with water for substantially 6 hours. The invention also provides a wastewater treatment device for removing organic matter and nitrogen compounds in wastewater, the wastewater treatment device comprising a biological reaction tank, characterized in that the biological reaction tank is filled with at least one wastewater biological treatment unit, and the same The wastewater biological treatment unit each includes a biological support and a support device for supporting and immobilizing the biological support, the biological support containing the prepared active biological sludge and acetate fibers. 201119955 The present invention provides a wastewater treatment system comprising: a biological reaction tank filled with at least one wastewater biological treatment unit, each of the biological treatment units of the wastewater being supported by a biological carrier and used for supporting and fixing the biological carrier a support device comprising: the biological carrier comprising the prepared activated biological sludge and the cellulose acetate; and a film reaction tank comprising at least one membrane module, the inlet port of the membrane reaction tank One of the biological reaction tanks is in fluid communication with the outlet. According to the above concept, the biological reaction tank is one of a columnar reaction tank and a rectangular reaction tank. According to the above concept, the rectangular reaction tank has at least one tank body. The tank body is filled with a plurality of the wastewater biological treatment units. The invention provides a wastewater treatment tank capable of simultaneously removing nitrogen and removing carbon and filtering suspended particles, comprising: a reaction tank body; at least one wastewater biological treatment unit disposed in the reaction tank and immersed in the reaction tank In the wastewater in the body, the wastewater biological treatment unit is composed of a biological carrier and a supporting device for supporting and fixing the biological carrier, wherein the biological carrier contains the prepared activated biological sludge and Acetate; and at least one membrane module disposed in the reaction tank and in contact with wastewater in the reaction tank, wherein the wastewater biological treatment unit biologically removes organic matter and nitrogen compounds in the wastewater And the suspended particles contained in the wastewater are removed by the thin film module. According to the above concept, the branch building device is a cage structure, and the waste 201119955 aquatic biological treatment unit is fluidized in the reaction tank body by the waste water in the reaction tank. According to the above concept, the reaction tank body includes at least one tank body. The waste water biological treatment unit is filled in the tank body. According to the above concept, the at least one box cage body and the at least one film module are arranged in series. According to the above concept, the supporting device comprises a mesh plate of a plurality of meshes. Preferably, the stencil and the at least one film module are arranged in series. The present invention can be further understood by the following drawings and detailed descriptions. [Embodiment] The following is a description of the specific embodiments of the present invention, and it is to be understood that The components are used for clarity and do not represent actual dimensions and proportions, and the drawing is simplified for the sake of understanding, and the drawing of the conventional components is omitted in some drawings. "Monthly, reference is made to the first diagram, which is a schematic diagram for illustrating a wastewater biological treatment unit in accordance with a preferred embodiment of the present invention. The wastewater biological treatment unit 1A of the present invention is composed of a biological carrier 12 and a support device, which is a modulated active biological sludge ball, which is prepared by mixing activated sludge and cellulose acetate solution. ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; To keep it in its internal space. In this embodiment, the support striking 14 is made up of three ring-shaped structures made of polyethylene (PE) in different planes! 42. M4 and 146 are interlaced. According to the present invention, the inner diameters of the annular structures μ], 144 and 146 are between 5 mm and 3 mm, and are glued to each other by means of heat refining (4) and (4) into a desired spherical (quad) structure.

The first B is a schematic diagram of the biological treatment of wastewater in the other embodiment of the present invention. In this embodiment, the support means for securing the biological support is a polyethylene or polypropylene mesh 14, which contains a plurality of meshes MS to accommodate the modulated biological carrier. In the present invention, the size and shape of the stencil and the mesh 148 are designed according to the actual wastewater treatment load and the composition of the biological support, so as to assist the biological support to adhere to the stencil 4, without affecting the passage of waste water therebetween. Want. As shown in the second figure, it is a photograph of the actual appearance of the wastewater biological treatment unit according to an embodiment of the present invention; the right side of the photograph is a practical design form of a mesh plate for supporting the biological support, and the left side is a biological support. A wastewater biological treatment unit attached to it. In accordance with an embodiment of the present invention, in addition to the mesh size design, a through hole 22 and a stud 24 are also provided at the intersection of the mesh to facilitate the attachment and attachment of the biological carrier. As can be seen from the photograph on the left side of the second figure, the stencil design of the present invention can be tightly attached to the support device to reduce the chance of flaking. In the present invention, the biological carrier is formed and prepared from the activated biological sludge taken from the bottom of the second-stage sedimentation tank of the 201119955 in the actual wastewater treatment plant, and the desired organism is prepared by performing the procedure shown in the third figure. The support is housed in a building structure to form the wastewater treatment unit of the present invention. According to an embodiment of the present invention, the preparation procedure of the biological carrier is detailed as follows: The solid content of the activated biological sludge taken from the bottom of the sedimentation tank is adjusted by centrifugal dehydration to make the solid content between 10% and 15〇. Between /〇, as shown in step 31. Add 100 grams of Cellulose Acetate to 65 ml of acetone (Acet〇ne) and mix with a stirrer for about 100 minutes to form a solution of about 5% acetate solution, as shown in step 32. . The ratio of the acetate solution can be used to fix about 2 gram of activated biological sludge (300 ml of acetate solution with 1 gram of activated sludge and about 12% solids of activated sludge). Of course, acetone and The amount of acetate used is determined by the amount of active biological sludge to be fixed, which is in a predetermined ratio. In a nutshell, 300 ml of acetic acid fiber solution was added to 1 gram of activated biological sludge with a solid content adjusted to 12 〇 / 〇, and then mixed into a gel form and placed in a diameter of 28 mm (within The PE ring of about 25 mm) continues to be disturbed until the active biological sludge is completely filled in the pE ring, that is, a spherical wastewater treatment unit is formed, as shown in steps 33 and 34, respectively. In another embodiment, the colloidal activated sludge/acetate blend is filled into a grid of PE or PP screens to form a sheet wastewater treatment unit' as shown in step 34. Take the sludge ball or sludge board formed by the benzene immersion in about 丨 minutes and take it 12 201119955 Out of the well-ventilated environment, air dry the sludge ball or sludge board

In the environment where the toluene is evaporated, the water is immersed in the environment as shown in step 35; finally, the aerated mud ball or sludge board is continuously aerated for about 6 hours until there is no nails & The residue of the sputum is formed into the wastewater treatment unit of the present invention as shown in step 36. In the present invention, the size of the severely embedded wastewater treatment unit depends on the inner diameter of the ankle ring that constitutes the support structure, preferably between 5 and 3 ugly (hereinafter will be - Steps indicate the results of the treatment of the inner diameter of 25 mm and 16 mm) 'The inner ring of the PE ring| ^ k is smaller, the smaller the cage structure can be formed, and the creatures enclosed in the defined internal space The more compact the body is. In other words, different sizes of wastewater treatment units can be used depending on the actual processing conditions by different choices of PE aids ρ λα τ size.

In the above embodiment, the three p-rings are used to construct the support structure of the wastewater treatment unit. However, the quantity and material are not limited, and other plastic materials, ceramic materials, or even metal materials are feasible; more importantly, If the material that can be decomposed by the % i brother is used to make the support required in the present invention, '. Structure, in order to facilitate the disposal of this processing unit. The invention also proposes a wastewater treatment system for removing organic matter and nitrogen compounds from wastewater. Please refer to the fourth drawing, which is a schematic view showing the configuration of the first embodiment of the wastewater treatment system of the present invention. The wastewater treatment system 400 of the present invention is mainly composed of a biological reaction tank 410 and a membrane reaction tank 420 in fluid communication with each other. The biological reaction tank 410 is filled with a plurality of wastewater biological treatment units 415; the membrane reaction tank 42 contains at least one membrane module 425. In the present invention, each wastewater biological treatment binary 13 201119955 415 is a spherical wastewater biological treatment unit composed of a biological carrier and a building device as shown in Fig. A. As shown in the fourth figure, the wastewater to be treated is pumped from the inlet sump 440 to the biological reaction tank 41 of the present invention by the action of the inlet pump 43. In this example, the biological reaction tank 41 of the present invention is a columnar reaction tank which is filled with a plurality of spherical wastewater biological treatment units 4丨5. The wastewater to be treated is introduced into the tank from the inlet port 4丨〇 A at the bottom of the column reaction tank, and the removal process of the organic matter and the nitrogen compound is carried out in the reaction tank, and then discharged from the outlet port 41 0B above the reaction tank. In the present invention, the outlet port 41〇b of the biological reaction tank 410 is in fluid communication with the inlet port 420A of the membrane reaction tank 420. In other words, the wastewater subjected to the nitrogen and carbon removal treatment by the biological reaction tank 41 0 of the present invention flows into the membrane reaction tank 42 through the inlet port 420A to be suspended by the membrane module 425 disposed in the tank. Filtration of the particles. The filtered percolating water is pumped and discharged from the membrane reaction tank 42 to the storage tank 48' to achieve the effect of clarifying the water. In the present invention, the filling rate of the wastewater biological treatment unit 415 in the biological treatment tank 410 can be adjusted according to the actual processing demand (for example, the volume of the cubic space per cubic centimeter is 0.3 cubic centimeters, which means that the volume filling rate is 30%), and by adjusting the air compressor or blower 450, gas regulator (not shown), the ventilation of the tank can be increased to adjust the dissolved oxygen condition of the tank; and the biological reaction tank can be 41〇 forms a form similar to a fully mixed or columnar flow. Please refer to the fifth drawing, which is a schematic view of the configuration of the second 201119955 embodiment of the wastewater treatment system of the present invention. The wastewater treatment system 5 of the present invention is mainly composed of a biological reaction tank 510 and a membrane reaction tank 52 流体 in fluid communication with each other. According to this embodiment, the biological reaction tank 5 1 is constructed by a rectangular reaction tank body, and at least one tank g body 512 is disposed therein. In other words, in this example, the spherical wastewater biological treatment unit 5丨5 is placed in the box cage body 512, and further disposed in the biological reaction tank 51〇 to remove the organic matter and nitrogen compounds contained in the wastewater. In addition to carbon and nitrogen. The film reaction tank 520 includes at least one film module 525. In the present invention, each of the wastewater biological treatment units 515 is formed of a support structure and a biological carrier accommodated therein as a spherical body (refer to the related description of the first A diagram). As shown in the fifth figure, the wastewater to be treated is pumped from the inflow sump 54 to the rectangular bioreactor 50 of the present invention by the action of the inflow pump 53A. The wastewater to be treated is pumped from the inlet tank 540 to the reaction tank body 51 of the present invention by the action of the inlet pump 53, and is discharged from the outlet port 510B on the right side of the reaction tank. In the present invention, the outlet port 5 10 B of the biological reaction tank 5 10 is fluidly connected to the inlet port 52A of the membrane reaction tank 520. In other words, the wastewater subjected to the nitrogen and decarburization treatment of the biological reaction tank 5 of the present invention flows into the membrane reaction tank 52 through the inlet port 520A to be carried out by the membrane module 525 disposed in the tank. Filtration of suspended particles. The filtered percolating water is sent from the membrane reaction tank 520 to the sump 58 ’ by filtration to achieve the effect of clarifying the effluent. Similarly, in the present invention, the filling rate of the spherical biological treatment unit 515 in the rectangular biological treatment tank 510 can be adjusted according to the actual processing demand (for example, the cubic space per cubic centimeter contains 0.3 cubic centimeters of filling). The amount, that is, the volume filling rate is 30%), and by adjusting the air compressor or the blower 55 0 and the gas regulator (not shown), the ventilation amount of the tank body can be increased to adjust the tank body. The dissolved oxygen conditions; and the bioreactor tank 5 1 〇 can be formed in a form similar to a fully mixed or columnar stream. Please refer to the sixth drawing, which is a schematic view showing the configuration of the second embodiment of the wastewater treatment system of the present invention. In this embodiment, the wastewater treatment system 600 of the present invention is mainly constructed by a single reaction tank body 61〇, and a plurality of wastewater biological treatment units 6丨5 are placed in the reaction tank body 610 in the form of a box cage body, The organic matter and the nitrogen compound contained in the waste water are removed to perform de-salt and denitrification; at least one thin film module 625 is disposed in the reaction tank body 610, which is in contact with the wastewater to be treated in the reaction tank body, thereby filtering out the waste water. Containing suspended particles. In the present invention, each of the waste water biological treatment units 615 is formed into a spherical body formed by a push structure and a biomass carrier accommodated therein (refer to the related description of Fig. 1A above). As shown in the sixth drawing, the wastewater to be treated is pumped from the inlet sump 640 to the reaction tank body 61 of the present invention by the action of the inlet pump 63. In the present invention, the wastewater to be treated is introduced into the tank body 610 from the inlet port 61 0A of the reaction tank body 61. The organic matter and the nitrogen compound are removed by the action of the wastewater biological treatment unit 615 in the reaction tank body 610. At the same time, the suspended particles are removed by the film module 625 disposed in the tank. The seepage liquid filtered by removing carbon and nitrogen and suspended particles is discharged from the reaction tank body 61 to the storage tank 680 by pumping in 2011, 20115, to achieve the effect of clarifying the water. Similarly, by adjusting the air compressor or the blower 65〇 and the gas regulator (not shown), the ventilation amount of the tank body can be increased to adjust the dissolved oxygen condition of the tank body; and the wastewater fluid can be similar to It is dispersed in the reaction tank body 61 in the form of a completely mixed or columnar stream. Referring to the seventh figure, which illustrates another preferred embodiment of the present invention, in the present invention, the wastewater biological treatment unit 74 can be treated by

The waste water is dispersed in the tank in a form similar to a fluidized bed, or may be filled in a tank (four) body 72 () containing a plurality of water seepage holes 722 to form a wastewater treatment module 72. According to another embodiment of the present invention, the wastewater treatment module 72 can be disposed in the reaction tank body 610 with the membrane module 625 shown in FIG. 6 to perform organic matter and nitrogen under the condition of single-reaction tank controlled aeration mode. The removal of the compound 'achieves the effect of removing nitrogen from the wastewater and removing the suspended particles. In this example, the design of the spherical wastewater biological treatment unit 74 in the tank 720 makes the replacement of the wastewater treatment module 72 easier. According to another embodiment of the present invention, 'in the waste system of the fifth and sixth figures', the plate-shaped wastewater biological treatment unit as shown in the second figure may be used instead of the cage (four) 512 or 72 (eg The use of the seventh figure) M i ; The eighth figure illustrates the removal of the actual wastewater from the inlaid wastewater treatment system (C〇D), ammonia nitrogen [NH3_N) and total nitrogen removal. Rate, Bazhong wastewater treatment system is used. ^ ^ ^ ^ 仏 253 253⁄4 m pillar cage, its wastewater treatment in the reaction tank in the I hip filling rate is 30 ° / (ie per cubic ί S1 17 201119955

The tank space of the centimeters has a filling capacity of 0.3 cubic centimeters; the hydraulic retention time (HRT) is adjusted according to the treated wastewater conditions (Η*hours). In this example, the hydraulic retention time is $12 hours. The air flow rate is 1 L/min per liter of the tank space, and is carried out under the conditions of opening one hour of ventilation and closing for two hours (1) and 2). It can be seen from the experimental results that the wastewater treatment system of the present invention has a stable removal rate of more than 9〇% for the actual wastewater c〇d and nitrogen compounds in a short period of time, and a removal rate of 98.99% for the ammonia nitrogen. The nitrogen removal rate also steadily increased to 91%. The wastewater treatment system of the present invention can be combined with a variety of membrane modules (for example, ultra-fine hollow fiber membranes, UF Holl〇W Fibers, which has a membrane pore size of iOOkDa of about Ο. _ or a microfiltration flat membrane, and MFp_ Membrane has a membrane pore size of about 〇. The 4μη〇 combination application is used to simultaneously filter the suspended particles in the wastewater in the carbon removal and nitrogen removal process; meanwhile, the bioburden system in the wastewater treatment monomer of the present invention is accommodated in the support structure (support cage or support mesh) It can prevent the microbial body from peeling off from the sludge agglomerate, and can increase the sludge age (Sludge Age) to read for ten to hundreds of days, the treatment efficiency of the pollutants in the water is better, and the amount of new sludge is relatively less. The waste treatment system of the invention can be reduced in operation and troubles. In addition, the wastewater treatment system of the invention has simple operation, low cost, toxic strain resistance, and can remove organic matter and nitrogen compounds in water under a single reaction tank controlled aeration mode, and It is helpful to improve the processing efficiency and service life of the film module, and to slow down the consumption of the film module. It is a novel, progressive and industrially practical and competitive invention. With development value.

18 201119955 Other exemptions All features disclosed in this specification may be combined with other methods. Each feature disclosed in this specification may be selectively replaced by features of the same, equal or similar purpose. In addition to the features of the particulars, all of the features disclosed in this specification are only one of the equivalent or similar features. Although the present invention has been exemplified by the better simplification and madness, the above is not the case.

In order to limit the present invention, any of the skilled person can make various changes and refinements without departing from the spirit and scope of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1A is a schematic view of a wastewater biological treatment unit for explaining a preferred embodiment of the present invention; FIG. 1B is a schematic view for explaining another preferred embodiment of the present invention. Example of wastewater biological treatment unit; second diagram is a photo of actual appearance of wastewater biological treatment unit according to the present invention - embodiment; third diagram - flow chart ' to explain the preparation procedure of wastewater biological treatment unit of the present invention; BRIEF DESCRIPTION OF THE DRAWINGS FIG. 5 is a schematic view showing the configuration of a second embodiment of the wastewater treatment system of the present invention; and the fifth diagram is a schematic configuration of a second embodiment of the wastewater treatment system of the present invention; 19 201119955 Configuration::: The wastewater treatment system of the present invention The seventh embodiment of the third embodiment is a schematic diagram of the structure of the wastewater treatment tank; and the eighth diagram of the waste water treatment monomer tank cage wastewater according to a preferred embodiment of the present invention illustrates the present invention. The wastewater treatment system is the result of the actual treatment. '

[Main component symbol description]

10A, 10B 12 14 142, 144, 146 145 148 22 24 31 ~ 36 400 > 500 ' 600 410 , 510 512 415 , 515 , 615 420 ' 520 Wastewater biological treatment unit biological support support structure ring structure stencil Hole through hole step column wastewater treatment system biological reaction tank body water biological treatment unit film reaction tank 20 201119955 425 ' 525 ' 625 membrane module 430, 530, 630 inlet pump 440, 480, 540, 580, 640 '680 storage tank 450 , 550, 650 air compressor or blower 610 reaction tank 410A, 420A, 510A, 520A, 610A inlet

410B, 520B 72 74 720 722 Outlet Wastewater Treatment Module Wastewater Treatment Unit Box Cage Body Water Infiltration Hole

twenty one

Claims (1)

201119955 VII. Shenqing Patent Range: A biological treatment unit compound for removing organic matter and nitrogen in wastewater, which comprises: - a biological carrier containing modified activated biological sludge and sodium oxalate fiber; A device for supporting and fixing the biological carrier. 2. The wastewater biological treatment unit of claim 1, wherein the support device is a cage structure constructed from at least three annular structures on different planes. The wastewater biological treatment unit of claim 2, wherein the annular structure is made of a polyethylene or polypropylene material. 4. The wastewater biological treatment unit of claim 2, wherein the annular structure has an inner diameter of between 5 mm and 3 mm. 5. The wastewater biological treatment unit of claim 2, wherein the annular structure has an inner diameter of 25 mm. 6. The wastewater biological treatment unit of claim 2, wherein the support device comprises a mesh of a plurality of meshes. 7. The wastewater biological treatment unit of claim 6, wherein the stencil is made of a polyethylene or polypropylene material. 8. The wastewater biological treatment unit of claim 6, wherein the size of the mesh and the mesh are designed according to a wastewater treatment load and a composition of the biological support. 9. A method for producing a wastewater biological treatment unit, the wastewater organism [S] 22 201119955 processing unit for removing organic matter and nitrogen compounds in wastewater, the method comprising the following steps: Preparing a solution of acetic acid fiber acetone, substantially 15%; vitamin C; raw (b) mixing the amount of activated sludge with a certain amount of the cellulose acetate solution to form a biological carrier; (c) Filling the biological carrier into a supporting device to shape / (d) drying the biological treatment unit; and immersing the biological treatment unit in a toluene solution and drying it. (e) The content of the activated sludge is substantially 100 grams as described in claim 9. The method, in the step (b), the above is 12%, and the method is substantially 11. The method according to claim 10, wherein the cellulose acetate solution is substantially 300 ml/(bH 12. The method of claim 9 is provided in the method of claim 9 At least three of the different planes are as described in claim 9 and in the support device comprising a plurality of meshes, a mesh plate, and /^(C), the application is as follows. The method of claim 9, wherein the biological treatment unit is immersed in toluene for 0.4 h, and the drying time of the system 23 201119955 is substantially 3 to 4 hours. 15. As described in claim 9 The method, in the step (4), the biological treatment unit is dried in a space where the exhaust gas is good. The method of claim 9, wherein in the step (e), the water is washed with water. The biological treatment unit is substantially up to 6 hours. 17. A wastewater treatment device for removing organic matter and nitrogen compounds in wastewater, the wastewater treatment device comprising a biological reaction tank, characterized in that the biological reaction tank is filled with at least one wastewater Biological processing unit, Each of the wastewater biological treatment units includes a biological support and a support device for supporting and immobilizing the biological support, the biological support containing the prepared activated biological sludge and acetate fiber. The wastewater treatment apparatus of claim 17, wherein the support device is a cage structure constructed by at least three annular structures located in different planes. 19. As described in claim 18 The waste water treatment device, wherein the annular structure is made of a polyethylene or a polypropylene material. 20. The wastewater treatment device according to claim 18, wherein the inner diameter of the annular structure is Between 5 mm and 3 mm. 21. The wastewater treatment apparatus of claim 18, wherein the annular structure has an inner diameter of 25 mm. 22. If the application scope is 帛17 items The wastewater treatment device of the invention, wherein the support device comprises a stencil of a plurality of meshes. 23. The wastewater treatment device of claim 22, wherein the stencil is made of polyethylene or polypropylene. The invention relates to a waste water treatment device according to claim 22, wherein the size of the mesh plate and the mesh is designed according to the wastewater treatment load and the composition of the biological support. A wastewater treatment system comprising: a biological reaction tank filled with at least one wastewater biological treatment unit, each of the biological treatment units of the wastewater being supported by a biological support and for supporting the building and fixing one of the biological supports The device comprises: the biological carrier comprising the prepared active biological sludge and the cellulose acetate; and a film reaction tank comprising at least one membrane module, the inlet port of the membrane reaction tank and the biological reaction tank One of the outlets is in fluid communication. 26. The wastewater treatment system of claim 25, wherein the support device is a cage structure constructed from at least three annular structures located in different planes. 27. The wastewater treatment system of claim 26, wherein the annular structure is made of a polyethylene or polypropylene material. 28. The wastewater treatment system of claim 26, wherein the annular structure has an inner diameter of between 5 mm and 3 mm. 29. The wastewater treatment system of claim 26, wherein the annular structure has an inner diameter of 25 mm. 30. The wastewater treatment system of claim 26, wherein the biological reaction tank is one of a columnar reaction tank and a rectangular reaction tank. The wastewater treatment system of claim 30, wherein the rectangular reaction tank has at least one tank body, and the tank body is filled with a plurality of the wastewater biological treatment units. 32. The wastewater treatment system of claim 25, wherein the support device comprises a plurality of mesh-network plates. 33. The wastewater treatment system of claim 32, wherein the stencil is made of a polyethylene or polypropylene material. 34. The wastewater treatment system of claim 32, wherein the size of the mesh and the mesh are designed according to a wastewater treatment load and a composition of the wire. ° 35. A wastewater treatment capable of simultaneously removing nitrogen and removing carbon and filtering suspended particles comprises: S ~ a reaction tank; at least one wastewater biological treatment unit disposed in the reaction tank and placed in the reaction tank In the wastewater in the body, the wastewater biological treatment unit is composed of a biological carrier and a supporting device for supporting and fixing the biological carrier, wherein the biological carrier contains the prepared activated biological sludge and Acetate fiber; and at least one film module disposed in the reaction tank and in contact with wastewater in the reaction tank, wherein the wastewater biological treatment unit biologically removes organic matter and nitrogen compounds in the wastewater And the suspended particles contained in the wastewater are filtered by the thin film module. 36. The wastewater treatment tank of claim 35, wherein the building device is a cage structure constructed from at least three annular structures located in different planes. 37. The wastewater treatment tank of claim 36, wherein the [S] 26 201119955 annular structure is made of a polyethylene or polypropylene material. 38. The wastewater treatment system of claim 36, wherein The inner diameter of the annular structure is 25 mm. The wastewater therein is dispersed in the reaction tank body in a fluidized manner. The wastewater treatment system of claim 36, wherein the reaction tank body comprises at least one tank g body, and the wastewater biological treatment unit is filled in the tank body. 42. The wastewater treatment system of claim 41, wherein the at least one cage body is in series with the at least one membrane module. 43. The wastewater treatment system of claim 35, wherein the support device comprises a mesh of a plurality of meshes. 4 4 The wastewater treatment system of claim 4, wherein the stencil is made of a polyethylene or polypropylene material. 45. The wastewater treatment system of claim 43, wherein the size of the mesh and the mesh are designed according to a wastewater treatment load and a composition of the biological support. 46. The wastewater treatment system of claim 43, wherein the screen is in series with the at least one membrane module. 1 27