TWI586609B - System for Treating Organic Wastewater and Slurry - Google Patents

System for Treating Organic Wastewater and Slurry Download PDF

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TWI586609B
TWI586609B TW105116774A TW105116774A TWI586609B TW I586609 B TWI586609 B TW I586609B TW 105116774 A TW105116774 A TW 105116774A TW 105116774 A TW105116774 A TW 105116774A TW I586609 B TWI586609 B TW I586609B
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tank
organic wastewater
sludge
liquid
photosynthetic
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TW201808824A (en
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簡文宏
黃貴民
紀奕全
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友達光電股份有限公司
國立高雄海洋科技大學
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/12Activated sludge processes
    • C02F3/1205Particular type of activated sludge processes
    • C02F3/121Multistep treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/30Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37Wastewater or sewage treatment systems using renewable energies using solar energy

Description

有機廢水及汙泥處理系統Organic wastewater and sludge treatment system

本發明涉及有機廢棄物處理領域,尤其是利用微生物處理有機廢水及汙泥。The invention relates to the field of organic waste treatment, in particular to treating organic wastewater and sludge by using microorganisms.

隨著環境及生態保育的觀念抬頭視,各廠商對於廢液的處理也越來越重視。在廢液的處理上,一般是將有機廢液及無機廢液分類處理。對於有機廢液,可經過濃縮、螯合的處理成泥漿態,此外,更發現透過細菌、真菌等微生物,能依賴有機廢液中的有機質作為碳源,有機營養型微生物會大量生長繁殖,透過細菌、真菌等微生物的增殖、發酵作用、光合作用等,能將有機質分解,而形成所謂的生物汙泥,又稱活性汙泥。With the concept of environmental and ecological conservation rising, manufacturers are paying more and more attention to the treatment of waste liquid. In the treatment of waste liquid, organic waste liquid and inorganic waste liquid are generally classified and processed. For organic waste liquid, it can be concentrated and chelated to form a slurry state. In addition, it is found that microorganisms such as bacteria and fungi can rely on organic matter in organic waste liquid as a carbon source, and organic nutrient-type microorganisms will grow and multiply through The proliferation, fermentation, photosynthesis, etc. of microorganisms such as bacteria and fungi can decompose organic matter to form so-called biological sludge, which is also called activated sludge.

在顯微鏡下觀察,生物汙泥中含有無機物、微生物、原生動物及後生動物等,形成菌團狀的微型生態系統,又稱為膠羽。膠羽較容易被生物界的微細生物,例如藻類、浮游生物等補食,而可作為堆肥之用,其中水分經分離後經淨化的水再放流。據此,能減低對於環境或生態的衝擊。Under the microscope, the biological sludge contains inorganic substances, microorganisms, protozoa and metazoans, etc., forming a micro-ecological system of microbial flora, also known as rubber feather. Gum feathers are more easily supplemented by micro-organisms in the biological world, such as algae, plankton, etc., and can be used as composting, in which the water is separated and purified by purified water. According to this, the impact on the environment or ecology can be reduced.

微生物對於有機廢水的負荷高,能夠處理高濃度的有機廢水,可以減少稀釋所造成的水資源浪費,此外,設備規模小、受季節影響小,能減少設置及營運上的成本。此外,經過處理的生物汙泥可以作為堆肥等作用來利用,更達到環保的效益。Microorganisms have high load on organic wastewater and can handle high concentrations of organic wastewater, which can reduce water waste caused by dilution. In addition, the equipment is small in scale and less affected by the season, which can reduce the cost of installation and operation. In addition, the treated biological sludge can be utilized as a compost, and the environmental benefits are achieved.

然而,每天產生的生物汙泥仍需有足夠的空間來堆置,對於倉儲成本上仍是不小的負擔。目前常用的方式,是將生物汙泥經過脫水、乾燥後,以脫除生物汙泥的水分、減少汙泥的體積,但是每天所產的固態生物汙泥量並沒有減少。另一方式是,將固態生物汙泥輸送至高溫好氧槽,透過加熱、超音波、好氧微生物或加藥等方式的結合,將生物汙泥分解成小分子,再經由微生物分解,或由後生動物的補食。然而,脫水、乾燥、或是以高溫好氧槽進行分解,都需要額外的電力成本。高溫好氧槽更需要設備、藥劑成本、同時也需要廠區有足夠的空間才有辦法設置。However, the biological sludge produced every day still needs to have enough space for stacking, which is still a small burden for storage costs. At present, the commonly used method is to remove the biological sludge and reduce the volume of the sludge after dewatering and drying the biological sludge, but the amount of solid biological sludge produced per day is not reduced. In another way, the solid biological sludge is transported to a high-temperature aerobic tank, and the biological sludge is decomposed into small molecules by a combination of heating, ultrasonication, aerobic microorganisms or dosing, and then decomposed by microorganisms, or by Supplementation of metazoan. However, dehydration, drying, or decomposition with a high temperature aerobic tank requires additional power costs. High-temperature aerobic tanks require equipment and pharmaceutical costs, and also require sufficient space in the plant to have a way to set them up.

為了解決習用技術能源耗費、成本提高,以及廠區空間難以設置高溫好氧槽的問題。在此提供一種有機廢水及汙泥處理系統。有機廢水及汙泥處理系統包含一兼氧槽、一好氧槽、以及一泥水分離槽。兼氧槽接收一有機廢水以及一光合菌液,有機廢水係由工業工廠、食品工廠、家庭廢水、或垃圾掩埋場所產生。光合菌液係每日以兼氧槽體積的1/800至1/200添加至兼氧槽中,且光合菌液係為每毫升10 8至10 11菌落形成單位(CFU/mL)的高濃度菌液,光合菌液將有機廢水處理為一第一生物汙泥後並加以輸出。在此,有機廢水作為光合菌行光合作用時的碳源,使得光合菌增殖。被光合菌分解後的殘存固態有機物與光合菌代謝的副產品形成第一生物汙泥。 In order to solve the problem of energy consumption and cost increase of the conventional technology, it is difficult to set a high-temperature aerobic tank in the plant space. An organic wastewater and sludge treatment system is provided herein. The organic wastewater and sludge treatment system comprises an anaerobic tank, an aerobic tank, and a mud water separation tank. The anaerobic tank receives an organic wastewater and a photosynthetic liquid, which is produced by an industrial factory, a food factory, a domestic wastewater, or a landfill. The photosynthetic bacteria system is added to the anaerobic tank daily from 1/800 to 1/200 of the volume of the oxygen bath, and the photosynthetic broth is at a high concentration of 10 8 to 10 11 colony forming units (CFU/mL) per ml. The bacterial liquid and the photosynthetic bacterial liquid treat the organic wastewater into a first biological sludge and output it. Here, the organic wastewater is used as a carbon source for photosynthesis bacteria to cause photosynthetic bacteria to proliferate. The residual solid organic matter decomposed by the photosynthetic bacteria forms a first biological sludge with by-products of photosynthetic bacteria metabolism.

好氧槽與兼氧槽連通以接收第一生物汙泥,同時接收一芽孢菌液,芽孢菌液係每日以好氧槽體積的1/800至1/200添加至好氧槽中,且芽孢菌液中的濃度係10 8至10 11CFU/mL,芽孢菌液將第一生物汙泥處理汙泥為一第二生物汙泥後並加以輸出,在此,芽孢菌液除了能夠繼續分解第一生物汙泥中殘存的固態有機物,同時還能分解光合菌代謝後產生的附產物,而能有效地使第一生物汙泥中的固態物減少,同時將第一生物汙泥的分子團分解為更小的分子團。芽孢菌代謝後的副產物及第一生物汙泥中殘存未分解的固態物,形成第二生物汙泥。 The aerobic tank is connected to the anaerobic tank to receive the first biological sludge, and receives a spore liquid, and the spore liquid is added to the aerobic tank daily from 1/800 to 1/200 of the volume of the aerobic tank, and The concentration in the spore liquid is 10 8 to 10 11 CFU/mL, and the spore liquid treats the first biological sludge treated sludge as a second biological sludge and outputs it, where the spore liquid can continue to decompose. The solid organic matter remaining in the first biological sludge can also decompose the attached product produced by the metabolism of the photosynthetic bacteria, and can effectively reduce the solid matter in the first biological sludge, and simultaneously the molecular group of the first biological sludge. Decomposes into smaller molecular groups. The by-product after the metabolism of the spores and the undecomposed solid matter remaining in the first biological sludge form a second biological sludge.

泥水分離槽與好氧槽連通,接收第二生物汙泥,將第二生物汙泥中的水分與懸浮固體分離,而得到放流水及一生物汙泥而加以排出。進一步地,泥水分離槽還與兼氧槽連通,生物汙泥再次輸送回兼氧槽,作為迴流生物汙泥,並與新輸入有機廢水混合。此狀態係充分利用生物汙泥中未完全代謝的菌株,再次補充回系統中。The mud water separation tank communicates with the aerobic tank, receives the second biological sludge, separates the water in the second biological sludge from the suspended solids, and obtains the discharged water and a biological sludge to be discharged. Further, the mud water separation tank is also connected to the oxo tank, and the biological sludge is again transported back to the oxygen tank as a reflux biological sludge and mixed with the newly input organic wastewater. This state is to fully utilize the incompletely metabolized strain of the biological sludge and replenish it back into the system.

在一實施例中,光合菌液中的光合菌係屬於深紅螺菌科(Rhodospirillaceae),深紅螺菌科能在兼氧條件下進行光能異養生長,在自然中,常聚集生長於水和淤泥中陽光可穿達但是氧氣稀薄之處,屬兼氧或微嗜氧菌,能除氮、脫硫、脫磷,能處理含高鹽分、油脂和含某些難以生物降解的有機化合物的廢水,其光合作用後的副產品主要為澱粉。芽孢菌液中的芽孢菌係澱粉芽孢桿菌(Bacillus amyloliquefaciens),其在微氧的環境下,能發酵而產生纖維素分解酵素(cellulase)、蛋白質分解酵素(protease)、脂質分解酵素(lipase)、澱粉分解酵素(amylase)、表面素(surfactin)、以及伊枯草桿菌素(iturin)等。澱粉芽孢桿菌係配合深紅螺菌科的主要副產物而選用,能有效地分解澱粉,同時分解深紅螺菌科未能有效分解的固態有機物。進一步地,光合菌係選擇紅螺菌科(Rhodospirillaceae)的深紅紅螺菌屬 (Rhodopseudomonas Sphaeroides)。In one embodiment, the photosynthetic strain in the photosynthetic bacterial liquid belongs to the Rhodospirillaceae family, and the Rhodospirillaceae is capable of heterotrophic growth under facultative conditions, and in nature, often aggregates and grows in water and The sun can be worn in the mud but the oxygen is thin. It is a facultative or micro-aerobic bacterium. It can remove nitrogen, desulfurization and dephosphorization. It can treat wastewater containing high salinity, oil and some organic compounds that are difficult to biodegrade. The by-product of photosynthesis is mainly starch. The Bacillus amyloliquefaciens in the spore liquid can ferment to produce cellulase, protease, lipase, and lipase in a micro-oxygen environment. Amylase, surfactin, and iturimycin. Bacillus amyloliquefaciens is selected in combination with the main by-products of the genus Rhodospirillaceae, which can effectively decompose starch and simultaneously decompose solid organic matter that cannot be effectively decomposed by the genus Rhodospirillaceae. Further, the photosynthetic strain selects Rhodopseudomonas Sphaeroides of the Rhodospirillaceae family.

在一實施例中,有機廢水及汙泥處理系統更包含一酸鹼值調整槽,酸鹼值調整槽預先將有機廢水的酸鹼值調整至pH值6至10之間,之後將調整pH值後的有機廢水輸送至兼氧槽。In one embodiment, the organic wastewater and sludge treatment system further comprises a pH adjustment tank, and the pH adjustment tank adjusts the pH value of the organic wastewater to a pH between 6 and 10, and then adjusts the pH. The organic wastewater is then sent to the oxygen tank.

在一實施例中,兼氧槽中的有機廢水及光合菌液之混合溶液的pH值在6至10之間。好氧槽中的第一生物汙泥及芽孢菌液之混合溶液的pH值為6至10之間。一般而言,光合菌液及芽孢菌液可以在弱酸性至鹼性的條件下生存,並進行光合作用或發酵作用。In one embodiment, the pH of the mixed solution of the organic wastewater and the photosynthetic bacterial liquid in the oxo tank is between 6 and 10. The pH of the mixed solution of the first biological sludge and the spore liquid in the aerobic tank is between 6 and 10. In general, photosynthetic bacteria liquid and spore liquid can survive under weak acidic to alkaline conditions and undergo photosynthesis or fermentation.

在一實施例中,兼氧槽中的有機廢水及光合菌液的溫度在16℃至40℃,而好氧槽中的第一生物汙泥及芽孢菌液的溫度在16℃至40℃。一般而言,光合菌液及芽孢菌液可以在一般溫度下生存,並進行光合作用或發酵作用,而無需特別加熱或冷卻。In one embodiment, the temperature of the organic wastewater and the photosynthetic bacteria in the oxo tank is between 16 ° C and 40 ° C, and the temperature of the first biological sludge and the spore liquid in the aerobic tank is between 16 ° C and 40 ° C. In general, photosynthetic bacteria and spore liquids can survive at normal temperatures and undergo photosynthesis or fermentation without special heating or cooling.

在一實施例中,泥水分離槽可以包含一沉澱槽、一除浮槽、及一薄膜生物反應槽(Membrane Bioreactor,MBR)的至少其中之一。在此可以依據各工廠的現場狀況來安排,其中薄膜生物反應槽在泥水分離時,能保留較多的光合菌及芽孢菌於生物汙泥中,將生物汙泥迴流補充至兼氧槽中時較具效益。In one embodiment, the mud water separation tank may include at least one of a sedimentation tank, a flotation tank, and a Membrane Bioreactor (MBR). Here, it can be arranged according to the site conditions of each factory. In the membrane biological reaction tank, when the mud water is separated, more photosynthetic bacteria and spores can be retained in the biological sludge, and the biological sludge is recirculated and replenished into the oxygen tank. More effective.

在一實施例中,光合菌液係以一天2至8次添加至兼氧槽中,芽孢菌液係以一天2至8次添加至好氧槽中,如此,以維持兼氧槽及好氧槽在高濃度下進行增殖及反應,可以得到較高的效率。In one embodiment, the photosynthetic bacterial liquid is added to the anaerobic tank 2 to 8 times a day, and the spore liquid is added to the aerobic tank 2 to 8 times a day, so as to maintain the oxygenation tank and aerobic tank. The tank is proliferated and reacted at a high concentration to obtain higher efficiency.

在一實施例中,好氧槽中第一生物汙泥及芽孢菌液的溶氧量係1~10ppm,兼氧槽中的含氧量則無法測得。In one embodiment, the dissolved oxygen content of the first biological sludge and the spore liquid in the aerobic tank is 1 to 10 ppm, and the oxygen content in the oxygen chamber is not measured.

綜上所述,有機廢水及汙泥處理系統係藉由菌種的選用及搭配來完成,利用菌種在適合的環境下得到較佳的汙泥分解效果,將固態懸浮的有機物及膠羽分解成小分子,而使得最終的生物汙泥為可溶解性的溶液狀,再經由泥水分離的方式分離,如此,可以由源頭減少生物汙泥量,而無需耗費其他的能源或添加其他的設備。In summary, the organic wastewater and sludge treatment system is completed by the selection and matching of the strains, and the better sludge decomposition effect is obtained by using the strains in a suitable environment to decompose the solid suspended solids and the rubber feathers. The small molecules are formed, so that the final biological sludge is in the form of a soluble solution, and then separated by means of mud water separation, so that the amount of biological sludge can be reduced from the source without using other energy sources or adding other equipment.

參閱圖1,本發明有機廢水及汙泥處理系統的單元示意圖。如圖1所示,本發明有機廢水及汙泥處理系統100包含兼氧槽11、一好氧槽13、以及一泥水分離槽15,兼氧槽11接收一有機廢水21以及一光合菌液23,其中有機廢水21可以預儲存於一原液槽,或是由外部管線直接輸入,有機廢水21係由工業工廠、食品工廠、家庭廢水、或垃圾掩埋場所產生。光合菌液23係每日以兼氧槽體積的1/800至1/200添加至兼氧槽13中,較佳為1/600至1/450,添加至兼氧槽13中。光合菌液23中菌株的濃度係每毫升10 8至10 11菌落形成單位(CFU/mL),較佳為10 9~10 10CFU/mL。光合菌液23將有機廢水21處理為一第一生物汙泥後並加以輸出。兼氧槽11中具有攪拌裝置,能將光合菌液23充分混入有機廢水21中進行反應。 Referring to Figure 1, a schematic diagram of the unit of the organic wastewater and sludge treatment system of the present invention. As shown in FIG. 1, the organic wastewater and sludge treatment system 100 of the present invention comprises a oxygenation tank 11, an aerobic tank 13, and a mud water separation tank 15, which receives an organic wastewater 21 and a photosynthetic liquid 23 The organic wastewater 21 may be pre-stored in a raw liquid tank or directly input from an external pipeline, and the organic wastewater 21 is produced by an industrial factory, a food factory, a domestic wastewater, or a landfill. The photosynthetic bacterial liquid 23 is added to the oxygen-containing tank 13 at a ratio of 1/800 to 1/200 of the volume of the oxygen-containing tank per day, preferably 1/600 to 1/450, and is added to the oxygen-containing tank 13. The concentration of the strain in the photosynthetic bacteria solution 23 is 10 8 to 10 11 colony forming units per ml (CFU/mL), preferably 10 9 to 10 10 CFU/mL. The photosynthetic bacteria liquid 23 treats the organic wastewater 21 into a first biological sludge and outputs it. The aerobic tank 11 has a stirring device, and the photosynthetic bacteria liquid 23 can be sufficiently mixed into the organic wastewater 21 to carry out a reaction.

在此,光合菌液中的光合菌係選擇深紅螺菌科(Rhodospirillaceae)的菌種,尤其是深紅紅螺菌屬 (Rhodopseudomonas Sphaeroides)的菌種,其進口貨品分類號列(CCC code)為38249099136。,深紅螺菌科屬兼氧或微嗜氧菌,以於水和淤泥中陽光可穿達、但是氧氣稀薄之環境下,進行異養生長,可以直接以高濃度的有機廢水(BOD>10,000 ppm)作為碳源、氫源進行光合反應,光合作用後的副產品主要為澱粉。此外,深紅螺菌科還能除氮、脫硫、脫磷,能處理含高鹽分、油脂等。Here, the photosynthetic bacteria in the photosynthetic bacterial liquid selects the strain of Rhodospirillaceae, especially the strain of Rhodopseudomonas Sphaeroides, and its import classification number (CCC code) is 38249009136. . , Rhodospirillaceae is a facultative or facultative aerobic bacterium, which can be used for heterotrophic growth in water and silt in a place where sunlight can pass through, but oxygen is thin, and can directly use high concentration of organic wastewater (BOD> 10,000 ppm). The photosynthetic reaction is carried out as a carbon source and a hydrogen source, and the by-product after photosynthesis is mainly starch. In addition, Drosophila can also remove nitrogen, desulfurization, dephosphorization, and can handle high salt, oil and so on.

光合菌液23可以以一天2至8次,較佳為4至6次的添加,其目的是為了維持光合菌液23於兼氧槽11中的高濃度,來保持反應的效率。光合菌液23可以預儲存於一光合菌液槽中,以定時的方式透過管線、幫浦添加至兼氧槽11中,但不限於此,即使以人工方式倒入亦無不可。The photosynthetic bacterial liquid 23 can be added in an amount of 2 to 8 times a day, preferably 4 to 6 times, in order to maintain the high concentration of the photosynthetic bacterial liquid 23 in the oxygen-containing tank 11 to maintain the efficiency of the reaction. The photosynthetic bacteria liquid 23 can be pre-stored in a photosynthetic bacteria liquid tank, and is added to the oxygen-containing tank 11 through a pipeline and a pump in a timed manner, but is not limited thereto, and it is not necessary to inject it manually.

好氧槽13連通至兼氧槽11,以接收第一生物汙泥,並接收一芽孢菌液25,芽孢菌液25係每日以好氧槽13體積的1/800至1/200添加至好氧13槽中,較佳為1/600至1/450。芽孢菌液中的濃度係10 8至10 11CFU/mL,較佳為10 9~10 10CFU/mL。芽孢菌液25將第一生物汙泥處理汙泥為一第二生物汙泥後並加以輸出。此外,在本發明的實施例中設置鼓風機能將外部的空氣打入芽孢菌液25及第一生物汙泥的混合物中。芽孢菌液25可以以一天2至8次,較佳為4至6次的添加,其目的是為了維持芽孢菌液25於好氧槽13中的高濃度,來保持反應的效率。另外,芽孢菌液25可以預儲存於一芽孢菌液槽中,以定時的方式透過管線、幫浦添加至好氧槽13中,但不限於此,即使以人工方式倒入亦無不可。 The aerobic tank 13 is connected to the anaerobic tank 11 to receive the first biological sludge, and receives a spore liquid 25, and the spore liquid 25 is added daily to 1/800 to 1/200 of the aerobic tank 13 volume to In the aerobic 13 tank, it is preferably from 1/600 to 1/450. The concentration in the spore solution is 10 8 to 10 11 CFU/mL, preferably 10 9 to 10 10 CFU/mL. The spore liquid 25 treats the first biological sludge treated sludge into a second biological sludge and outputs it. Further, in the embodiment of the present invention, the air blower is provided to drive the outside air into the mixture of the spore liquid 25 and the first biological sludge. The spore liquid 25 may be added 2 to 8 times a day, preferably 4 to 6 times a day, in order to maintain a high concentration of the spore liquid 25 in the aerobic tank 13 to maintain the efficiency of the reaction. In addition, the spore liquid 25 can be pre-stored in a spore liquid tank, and added to the aerobic tank 13 through a pipeline and a pump in a timed manner, but is not limited thereto, and even if it is manually poured.

在此,芽孢菌液25中的芽孢菌係澱粉芽孢桿菌(Bacillus amyloliquefaciens),其進口貨品分類號列(CCC code)為:23091000。澱粉芽孢桿菌適於在微氧的環境下能進行作用,例如,在好氧槽13中第一生物汙泥及芽孢菌液之混合的溶氧量係1至10ppm,較佳為2至5ppm的環境中。澱粉芽孢桿菌能發酵而產生纖維素分解酵素(cellulase)、蛋白質分解酵素(protease)、脂質分解酵素(lipase)、澱粉分解酵素(amylase)、表面素(surfactin)、以及伊枯草桿菌素(iturin)等。澱粉芽孢桿菌係配合深紅螺菌科的主要副產物而選用,能有效地分解澱粉,同時分解深紅螺菌科未能有效分解的固態有機物,進而使得小分子團狀的第一生物汙泥,可以在分解為更細小、甚至可以溶解於水的第二生物汙泥。Here, the Bacillus amyloliquefaciens in the spore liquid 25 has a CCC code of 23091000. Bacillus amyloliquefaciens is suitable for action in a micro-oxygen environment, for example, the dissolved oxygen content of the first biological sludge and the spore liquid in the aerobic tank 13 is 1 to 10 ppm, preferably 2 to 5 ppm. Environment. Bacillus amyloliques can ferment to produce cellulase, protease, lipase, amylase, surfactin, and ituricine Wait. The Bacillus amyloliquefaciens is selected in combination with the main by-products of the genus Rhodospirillum, which can effectively decompose the starch and simultaneously decompose the solid organic matter which cannot be effectively decomposed by the genus Rhodospirillaceae, thereby enabling the first biological sludge of small molecular mass to be Decomposed into a second biological sludge that is finer and even soluble in water.

泥水分離槽15與好氧槽13連通,接收第二生物汙泥,將第二生物汙泥中的水分與懸浮固體分離,而得到放流水及一生物汙泥而加以排出。進一步地,泥水分離槽15更與兼氧槽11連通,生物汙泥再次輸送回兼氧槽11中,作為迴流生物汙泥再次與有機廢水21混合,以充分利用殘留的光合菌及芽孢菌繼續增殖及反應。泥水分離槽15的種類可以包含一沉澱槽、一除浮槽、及一薄膜生物反應槽(Membrane Bioreactor,MBR)的至少其中之一。上述僅為示例,但不限於此,任何能將分離生物汙泥及放流水的設備能作為泥水分離槽使用。泥水分離槽15數量及種類可以依各工廠的預算、空間來選擇,其中薄膜生物反應槽可以保留較多的光合菌及芽孢菌,更適用於生物汙泥再次輸送回兼氧槽11的方式來使用。The mud water separation tank 15 communicates with the aerobic tank 13, receives the second biological sludge, separates the water in the second biological sludge from the suspended solids, and discharges the discharged water and a biological sludge. Further, the muddy water separation tank 15 is further connected to the oxo tank 11, and the biological sludge is again transported back to the oxygen tank 11, and is again mixed with the organic wastewater 21 as reflux biological sludge to fully utilize the residual photosynthetic bacteria and spores to continue. Proliferation and response. The type of the muddy water separation tank 15 may include at least one of a sedimentation tank, a flotation tank, and a Membrane Bioreactor (MBR). The above is merely an example, but is not limited thereto, and any apparatus capable of separating biological sludge and discharging water can be used as a muddy water separation tank. The number and type of mud-water separation tanks 15 can be selected according to the budget and space of each factory. The membrane biological reaction tank can retain more photosynthetic bacteria and spores, and is more suitable for the way that biological sludge is transported back to the oxygen-containing tank 11 again. use.

光合菌能夠進行除氮、脫硫、脫磷等功能,在適當的酸鹼值下,具有較佳的增值及反應的速率。兼氧槽11中的有機廢水21、光合菌液23之混合物的pH值在6至10之間,較佳為7至9之間,此外,好氧槽13中的第一生物汙泥及芽孢菌液25之混合物的pH值為6至10之間,較佳為7至9之間。如圖1所示,有機廢水及汙泥處理系統更包含一酸鹼值調整槽17,酸鹼值調整槽17與兼氧槽11連接,預先將有機廢水21調整至pH值6至10之間,尤其是7~9之間,之後再透過幫浦或管線將調整過pH值的有機廢水21加以輸送至兼氧槽11。酸鹼值調整槽17能優先將調整環境的酸鹼值為光合菌或芽孢菌易於反應的條件下,以使增殖、反應速率提升。Photosynthetic bacteria can perform functions such as nitrogen removal, desulfurization, dephosphorization, etc., and have a better value-added and reaction rate under appropriate pH values. The pH of the mixture of the organic wastewater 21 and the photosynthetic bacteria 23 in the oxygen chamber 11 is between 6 and 10, preferably between 7 and 9, in addition, the first biological sludge and spore in the aerobic tank 13 The pH of the mixture of bacterial liquid 25 is between 6 and 10, preferably between 7 and 9. As shown in FIG. 1, the organic wastewater and sludge treatment system further includes a pH adjustment tank 17, and the pH adjustment tank 17 is connected to the oxygenation tank 11, and the organic wastewater 21 is adjusted to a pH between 6 and 10 in advance. In particular, between 7 and 9, the pH-adjusted organic wastewater 21 is then sent to the oxygen-containing tank 11 through a pump or pipeline. The pH adjustment tank 17 can preferentially adjust the pH value of the environment to a condition in which the photosynthetic bacteria or the spores are easily reacted, so that the proliferation and the reaction rate are improved.

進一步地,兼氧槽11中的有機廢水21及光合菌液23之混合物的溫度,以及好氧槽13中的第一生物汙泥及芽孢菌液25之混合物的溫度在16℃至40℃,較佳為22至35℃。也就是,在一般氣溫下,光合菌液23及芽孢菌液25都能有效地進行增殖及分解,無需額外加熱,能降低能源的耗費。Further, the temperature of the mixture of the organic wastewater 21 and the photosynthetic bacteria 23 in the oxygen chamber 11 and the mixture of the first biological sludge and the spore liquid 25 in the aerobic tank 13 are at 16 ° C to 40 ° C, It is preferably 22 to 35 °C. That is, under normal temperature, both the photosynthetic liquid 23 and the spore liquid 25 can effectively proliferate and decompose, and the energy consumption can be reduced without additional heating.

以下為實際以四組實驗、對照組經過兼氧槽、好氧槽及泥水分離槽,檢測及放流水的化學需氧量(Chemical oxygen demand,COD)、以及泥水分離槽的汙泥生成率。因為對照示例係直接接收的有機廢水,每次的成分可能不同,因此輔以生物汙泥生成率的差值來比較。實驗示例1係將光合菌液以兼氧槽體積的1/500,並分成每日六小時添加、光合菌液的濃度為10 9CFU/mL、芽孢菌液以好氧槽體積的1/500,並分成每日六小時添加、芽孢菌液的濃度為10 9CFU/mL。實驗示例2係以實驗示例1之光合菌液、芽孢菌液劑量減半添加。實驗示例3係以實驗示例1之係將芽孢菌液替換為有效(Effective Microorganism,EM)菌,即混合芽孢菌、酵母菌、乳酸菌等菌類的混合菌液,其與實驗示例1的芽孢菌液的劑量、濃度相同。實驗示例4係以實驗示例1之係將芽孢菌液替換為枯草菌,其與實驗示例1的芽孢菌液的劑量、濃度相同。以下表1為經六週測試實際量測的結果平均值。 表1 <TABLE border="1" borderColor="#000000" width="_0004"><TBODY><tr><td>   </td><td> 放流水COD (mg/L) </td><td> 汙泥生成率 (g MLSS/g COD) </td><td> 汙泥生成率差值 (g MLSS/g COD) </td></tr><tr><td> 對照示例1 </td><td> 55 </td><td> 0.48 </td><td>   </td></tr><tr><td> 實驗示例1 </td><td> 56 </td><td> 0.29 </td><td> 0.19 </td></tr><tr><td> 對照示例2 </td><td> 55 </td><td> 0.33 </td><td>   </td></tr><tr><td> 實驗示例2 </td><td> 56 </td><td> 0.23 </td><td> 0.10 </td></tr><tr><td> 對照示例3 </td><td> 55 </td><td> 0.49 </td><td>   </td></tr><tr><td> 實驗示例3 </td><td> 150 </td><td> 0.37 </td><td> 0.12 </td></tr><tr><td> 對照示例4 </td><td> 55 </td><td> 0.41 </td><td>   </td></tr><tr><td> 實驗示例4 </td><td> 150 </td><td> 0.30 </td><td> 0.11 </td></tr></TBODY></TABLE>The following is the actual chemical oxygen demand (COD) of the detected and discharged water and the sludge formation rate of the mud-water separation tank by the four sets of experiments and the control group through the oxygen tank, the aerobic tank and the mud-water separation tank. Since the comparative example is the organic wastewater directly received, the composition may be different each time, and thus the difference in the rate of production of the biological sludge is compared. In the experimental example 1, the photosynthetic bacterial liquid was added in an amount of 1/500 of the volume of the anaerobic tank, and was divided into six hours per day, the concentration of the photosynthetic liquid was 10 9 CFU/mL, and the spore liquid was 1/500 of the volume of the aerobic tank. And divided into six hours a day, the concentration of the spore liquid was 10 9 CFU / mL. Experimental Example 2 was carried out by halving the dose of the photosynthetic bacterial liquid and the spore liquid of Experimental Example 1. Experimental Example 3 is a method in which the spore liquid is replaced with an effective microorganism (EM) strain, that is, a mixed bacterial liquid mixed with a fungus such as a spore, a yeast, or a lactic acid bacteria, and the spore liquid of the experimental example 1 The dose and concentration are the same. Experimental Example 4 The spore liquid was replaced with the Bacillus subtilis by the experiment example 1, which was the same as the dose and concentration of the spore liquid of Experimental Example 1. Table 1 below shows the average of the results measured by the six-week test. Table 1 <TABLE border="1"borderColor="#000000"width="_0004"><TBODY><tr><td></td><td> Release water COD (mg/L) </td><Td> sludge formation rate (g MLSS/g COD) </td><td> sludge formation rate difference (g MLSS/g COD) </td></tr><tr><td> comparison example 1 </td><td> 55 </td><td> 0.48 </td><td></td></tr><tr><td> Experimental Example 1 </td><td> 56 </ Td><td> 0.29 </td><td> 0.19 </td></tr><tr><td> Comparative example 2 </td><td> 55 </td><td> 0.33 </td ><td></td></tr><tr><td> Experimental Example 2 </td><td> 56 </td><td> 0.23 </td><td> 0.10 </td></tr><tr><td> Comparison example 3 </td><td> 55 </td><td> 0.49 </td><td></td></tr><tr><td> Experiment Example 3 </td><td> 150 </td><td> 0.37 </td><td> 0.12 </td></tr><tr><td> Comparison example 4 </td><td> 55 </td><td> 0.41 </td><td></td></tr><tr><td> Experimental Example 4 </td><td> 150 </td><td> 0.30 </td><td> 0.11 </td></tr></TBODY></TABLE>

在上述實驗中,同時發現,由於EM菌及枯草菌所產生菌絲長度較長,容易造成泥水分離槽的堵塞問題,從而需要額外地投入人工撈取、或使投入藥劑來抑制或去除。另外,由放流水化學需氧量的結果來看,EM菌及枯草菌在發酵處理第一生物汙泥時,實質上升高了放流水化學需氧量,需要進一步的控制。因此,根據上述實驗結果,以實驗示例1能維持放流水的化學需氧量、同時減少固態懸浮物為佳。In the above experiment, it was also found that the length of the hyphae produced by the EM bacteria and the Bacillus subtilis was long, which easily caused the clogging problem of the muddy water separation tank, and thus it was necessary to additionally invest in artificial fishing or to put drugs into the inhibition or removal. In addition, from the results of the chemical oxygen demand of the discharged water, the EM bacteria and the Bacillus subtilis substantially increase the chemical oxygen demand of the discharged water when the first biological sludge is fermented, and further control is required. Therefore, according to the above experimental results, it is preferable to maintain the chemical oxygen demand of the discharged water while reducing the solid suspended matter in Experimental Example 1.

在上述的實施例中,選擇光合菌及芽孢菌液以處理有機廢水,並分別以適合的兼氧、好氧環境能夠得到較佳的汙泥減量效果,同時也不會影響放流水的水質。此外,光合菌及芽孢菌液之菌絲也不會過度生長而產生堵塞的問題。可以達到從源頭減少生物汙泥量,減少額外的耗能、藥物添加或是設備成本,而能解決習用技術上的所面臨的問題,更克服的技術偏見。In the above embodiments, the photosynthetic bacteria and the spore liquid are selected to treat the organic wastewater, and a suitable sludge reduction effect can be obtained in a suitable facultative and aerobic environment, respectively, without affecting the water quality of the discharged water. In addition, the hyphae of photosynthetic bacteria and spore liquids do not excessively grow to cause clogging. It can reduce the amount of biological sludge from the source, reduce the additional energy consumption, drug addition or equipment cost, and can solve the problems faced by the conventional technology and overcome the technical bias.

雖然本發明之較佳實施例揭露如上所述,然其並非用以限定本發明,任何熟習相關技藝者,在不脫離本發明的範圍內,當可作些許之更動與潤飾,因此本發明之專利保護範圍須視本說明書所附之申請專利範圍所界定者為準。Although the preferred embodiments of the present invention are disclosed above, it is not intended to limit the present invention, and those skilled in the art can make some modifications and refinements without departing from the scope of the present invention. The scope of patent protection shall be subject to the definition of the scope of the patent application attached to this specification.

11‧‧‧兼氧槽
13‧‧‧好氧槽
15‧‧‧泥水分離槽
17‧‧‧酸鹼值調整槽
21‧‧‧有機廢水
23‧‧‧光合菌液
25‧‧‧芽孢菌液
100‧‧‧有機廢水及汙泥處理系統
11‧‧‧Oxygen tank
13‧‧‧aerobic tank
15‧‧‧Mine water separation tank
17‧‧‧pH adjustment tank
21‧‧‧Organic wastewater
23‧‧‧Photosynthetic liquid
25‧‧‧ spore liquid
100‧‧‧Organic Wastewater and Sludge Treatment System

[圖1]為本發明有機廢水及汙泥處理系統的單元示意圖。Fig. 1 is a schematic view showing the unit of the organic wastewater and sludge treatment system of the present invention.

11‧‧‧兼氧槽 11‧‧‧Oxygen tank

13‧‧‧好氧槽 13‧‧‧aerobic tank

15‧‧‧泥水分離槽 15‧‧‧Mine water separation tank

17‧‧‧酸鹼值調整槽 17‧‧‧pH adjustment tank

21‧‧‧有機廢水 21‧‧‧Organic wastewater

23‧‧‧光合菌液 23‧‧‧Photosynthetic liquid

25‧‧‧芽孢菌液 25‧‧‧ spore liquid

100‧‧‧有機廢水及汙泥處理系統 100‧‧‧Organic Wastewater and Sludge Treatment System

Claims (10)

一種有機廢水及汙泥處理系統,包含: 一兼氧槽,接收一有機廢水以及一光合菌液,該光合菌液係每日以該兼氧槽體積的1/800至1/200添加至該兼氧槽中,且該光合菌液中的濃度係10 8至10 11CFU/mL,該光合菌液將該有機廢水處理為一第一生物汙泥後並加以輸出; 一好氧槽,連通至該兼氧槽,以接收該第一生物汙泥,並接收一芽孢菌液,該芽孢菌液係每日以該好氧槽體積的1/800至1/200添加至該好氧槽中,且該芽孢菌液中的濃度係10 8至10 11CFU/mL,該芽孢菌液將該第一生物汙泥處理汙泥為一第二生物汙泥後並加以輸出;以及 一泥水分離槽,與該好氧槽連通,接收該第二生物汙泥,將該第二生物汙泥中的水分與懸浮固體分離,而得到放流水及一生物汙泥而加以排出。 An organic wastewater and sludge treatment system comprising: an anaerobic tank, receiving an organic wastewater and a photosynthetic broth, the photosynthetic broth being added to the daily volume of 1/800 to 1/200 of the volume of the oxygen chamber In the oxygenation tank, the concentration in the photosynthetic bacterial liquid is 10 8 to 10 11 CFU/mL, and the photosynthetic bacterial liquid is treated as a first biological sludge and then output; an aerobic tank is connected Receiving the first biological sludge and receiving a spore liquid, the spore liquid is added to the aerobic tank daily at 1/800 to 1/200 of the volume of the aerobic tank. And the concentration in the spore liquid is 10 8 to 10 11 CFU/mL, the spore liquid is the first biological sludge treated sludge as a second biological sludge and is output; and a mud water separation tank And communicating with the aerobic tank, receiving the second biological sludge, separating the water in the second biological sludge from the suspended solids, and obtaining the discharged water and a biological sludge to be discharged. 如請求項1所述之有機廢水及汙泥處理系統,其中該光合菌液中的光合菌係屬於深紅螺菌科(Rhodospirillaceae),該芽孢菌液中的芽孢菌係澱粉芽孢桿菌(Bacillus amyloliquefaciens)。The organic wastewater and sludge treatment system according to claim 1, wherein the photosynthetic bacteria in the photosynthetic bacterial liquid belongs to Rhodospirillaceae, and the Bacillus amyloliquefaciens in the spore liquid is Bacillus amyloliquefaciens. . 如請求項2所述之有機廢水及汙泥處理系統,其中該光合菌係屬於深紅紅螺菌屬 (Rhodopseudomonas Sphaeroides)。The organic wastewater and sludge treatment system according to claim 2, wherein the photosynthetic strain belongs to Rhodopseudomonas Sphaeroides. 如請求項2所述之有機廢水及汙泥處理系統,更包含一酸鹼值調整槽,該酸鹼值調整槽與該兼氧槽連接,將該有機廢水調整至pH值6至10之間後,將該有機廢水加以輸送至該兼氧槽。The organic wastewater and sludge treatment system according to claim 2, further comprising a pH adjustment tank, wherein the pH adjustment tank is connected to the oxo tank, and the organic wastewater is adjusted to a pH between 6 and 10. Thereafter, the organic wastewater is sent to the oxygenation tank. 如請求項2所述之有機廢水及汙泥處理系統,其中該兼氧槽中的該有機廢水及該光合菌液之混合物的pH值在6至10之間、該好氧槽中的該第一生物汙泥及該芽孢菌液之混合物的pH值為6至10之間。The organic wastewater and sludge treatment system according to claim 2, wherein the pH of the mixture of the organic wastewater and the photosynthetic bacterial solution in the oxo tank is between 6 and 10, and the first in the aerobic tank A mixture of a biological sludge and the spore solution has a pH between 6 and 10. 如請求項2所述之有機廢水及汙泥處理系統,其中該兼氧槽中的該有機廢水及該光合菌液之混合物的溫度在16℃至40℃,而該好氧槽中的該第一生物汙泥及該芽孢菌液之混合物的溫度在16℃至40℃。The organic wastewater and sludge treatment system according to claim 2, wherein the temperature of the mixture of the organic wastewater and the photosynthetic bacterial liquid in the anaerobic tank is between 16 ° C and 40 ° C, and the first in the aerobic tank The temperature of a mixture of biological sludge and the spore liquid is between 16 ° C and 40 ° C. 如請求項1所述之有機廢水及汙泥處理系統,其中該泥水分離槽係包含一沉澱槽、一除浮槽、及一薄膜生物反應槽(Membrane Bioreactor,MBR)的至少其中之一。The organic wastewater and sludge treatment system of claim 1, wherein the slurry separation tank comprises at least one of a precipitation tank, a flotation tank, and a Membrane Bioreactor (MBR). 如請求項1所述之有機廢水及汙泥處理系統,其中該光合菌液係以一天2至8次添加至該兼氧槽中,該芽孢菌液係以一天2至8次添加至該好氧槽中。The organic wastewater and sludge treatment system according to claim 1, wherein the photosynthetic bacteria liquid is added to the anaerobic tank 2 to 8 times a day, and the spore liquid system is added to the good one to two times a day. In the oxygen tank. 如請求項1所述之有機廢水及汙泥處理系統,其中該好氧槽中該第一生物汙泥及該芽孢菌液的溶氧量係1~10ppm。The organic wastewater and sludge treatment system according to claim 1, wherein the dissolved oxygen amount of the first biological sludge and the spore liquid in the aerobic tank is 1 to 10 ppm. 如請求項1所述之有機廢水及汙泥處理系統,其中該泥水分離槽更連通至該兼氧槽,將該生物汙泥再次輸送回該兼氧槽中與該有機廢水及該光合菌液混合。The organic wastewater and sludge treatment system according to claim 1, wherein the slurry separation tank is further connected to the anaerobic tank, and the biological sludge is again transported back to the anaerobic tank and the organic wastewater and the photosynthetic liquid. mixing.
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