TW201815690A - Method and device for treating wastewater containing organic matter - Google Patents

Method and device for treating wastewater containing organic matter Download PDF

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TW201815690A
TW201815690A TW106115847A TW106115847A TW201815690A TW 201815690 A TW201815690 A TW 201815690A TW 106115847 A TW106115847 A TW 106115847A TW 106115847 A TW106115847 A TW 106115847A TW 201815690 A TW201815690 A TW 201815690A
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organic matter
ozone
ejector
waste water
carbonic acid
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TW106115847A
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TWI758294B (en
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育野望
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栗田工業股份有限公司
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Physical Water Treatments (AREA)

Abstract

Provided are a method and a device for treating wastewater containing organic matter, with which it is possible to use ozone to efficiently remove, by breaking down, organic matter in wastewater containing the organic matter and inorganic carbonates. Water to be treated is subjected to a decarbonation treatment using an inorganic carbonate removal device 3, hydrogen peroxide is added, an ozone-containing gas is added by an ejector 8, the water to be treated is channeled to a static mixer 13, and the organic matter is subjected to an oxidation treatment. The ratio A/B between the ozone concentration A(g/Nm3) of the ozone-containing gas and the inorganic carbonate concentration B (g/L) of the water flowing into the ejector is set to 500-1000.

Description

含有有機物的排廢水之處理方法及裝置    Method and device for treating waste water containing organic matter   

本發明是關於：藉由臭氧有效率地分解去除含有有機物的排廢水中之有機物的含有有機物的排廢水之處理方法及裝置。本發明特別是關於：適用於被處理水中含有碳酸離子或重碳酸離子(以下有時稱為無機碳酸。)的情況時含有有機物的排廢水之處理方法及裝置。 The invention relates to a method and a device for treating organic matter-containing waste water by efficiently decomposing and removing organic matter in the organic matter-containing waste water by ozone. The present invention particularly relates to a method and a device for treating wastewater containing organic matter when the treated water contains carbonate ions or bicarbonate ions (hereinafter sometimes referred to as inorganic carbonic acid).

以往，作為含有機物的水中之有機物的去除方法，皆知有藉由臭氧來氧化分解有機物並去除的方法。亦知在此種藉臭氧的有機物分解，並用有添加過氧化氫(H2O2)、填充觸媒、作紫外線(UV)照射或添加強鹼作pH調整，藉以使臭氧之氧化作用提升並促進分解。 Conventionally, as a method of removing organic matter in water containing organic matter, a method of oxidatively decomposing and removing organic matter by ozone is known. It is also known that during the decomposition of such organic substances by ozone, hydrogen peroxide (H 2 O 2 ) is added, catalyst is filled, ultraviolet (UV) irradiation is added, or strong alkali is added for pH adjustment, so as to enhance the oxidation effect of ozone and Promote decomposition.

在排廢水中之有機物的臭氧氧化中產生羥基自由基(‧OH)，該自由基作用在有機物分解。而若在被處理水中存在有碳酸離子或重碳酸離子，這些會消耗羥基自由基，阻礙有機物的分解。 Hydroxyl radicals (‧OH) are generated in the ozonation of organic substances in the wastewater, and these radicals act on the decomposition of organic substances. If there are carbonate ions or bicarbonate ions in the treated water, these will consume hydroxyl radicals and hinder the decomposition of organic matter.

專利文獻1中記載：在臭氧處理之前，將被處理水調整到pH6以下，水中之碳酸離子、重碳酸離子作為二氧化碳，藉由除氣，將二氧化碳形態的碳酸成分及其他 溶解氣體從被處理水有效地去除。 Patent Document 1 describes that before the ozone treatment, the treated water is adjusted to a pH of 6 or less, and carbonate ions and bicarbonate ions in the water are used as carbon dioxide, and carbon dioxide in the form of carbon dioxide and other dissolved gases are removed from the treated water by deaeration Remove effectively.

專利文獻1中記載並用臭氧處理及過氧化氫(H2O2)處理。在添加臭氧之前先在被處理水添加過氧化氫，以提升藉由臭氧的氧化力。 Patent Document 1 describes a combination of ozone treatment and hydrogen peroxide (H 2 O 2 ) treatment. Before adding ozone, add hydrogen peroxide to the treated water to increase the oxidizing power by ozone.

專利文獻1中記載，在添加臭氧之前先在被處理水添加氫氧化鈉等強鹼，使pH為中性~11、更好為9~11，則可促進氧化反應。 Patent Document 1 describes that an oxidation reaction can be promoted by adding a strong base such as sodium hydroxide to the treated water before adding ozone to a pH of neutral to 11, more preferably 9 to 11.

專利文獻2中記載的裝置具備有：至少一部份形成朝上下方向延伸之縱配管部的配管；和以含有有機物的排廢水朝下方流通過該縱配管部內的方式對該配管供給含有有機物的排廢水的通水手段；和設在該縱配管部之上部的噴射器；和對該噴射器供給氧化性氣體的氣體供給手段；和設在比該配管之該噴射器要下游側的靜態攪拌器。如此，藉著從噴射器將氧化性氣體吹入縱配管部，氧化性氣體與液體的接觸效率變佳，且能有效率地氧化分解處理有機物。 The device described in Patent Document 2 includes at least a portion of a piping forming a vertical piping portion extending in an up-and-down direction; and an organic material-containing effluent supplied to the piping so that waste water containing organic matter flows downward through the vertical piping portion. Means for draining waste water; and an ejector provided above the vertical pipe portion; and a gas supply means for supplying oxidizing gas to the ejector; and static stirring provided downstream of the ejector of the pipe Device. In this way, by blowing the oxidizing gas from the ejector into the vertical pipe portion, the contact efficiency between the oxidizing gas and the liquid is improved, and the organic matter can be efficiently oxidized and decomposed.

[專利文獻1]日本特開2001-113291 [Patent Document 1] Japanese Patent Laid-Open No. 2001-113291

[專利文獻2]日本特開2013-208554 [Patent Document 2] Japanese Patent Laid-Open No. 2013-208554

本發明的目的是提供一種含有有機物的排廢水之處理方法及裝置，可以藉由臭氧有效率地分解並去除含有有機物及無機碳酸的排廢水中之有機物。 An object of the present invention is to provide a method and a device for treating waste water containing organic matter, which can efficiently decompose and remove organic matter in waste water containing organic matter and inorganic carbonic acid by ozone.

本發明之含有有機物的排廢水之處理方法，是使用含有有機物的排廢水之處理裝置的方法，而該處理裝置是具備有：至少一部分形成朝上下方向延伸之縱配管部的配管；和以含有有機物的排廢水朝下游流通過該縱配管部內的方式，對該配管供給含有有機物的排廢水的通水手段；和設在該縱配管部之上部的噴射器；和對該噴射器供給含臭氧氣體的臭氧供給手段；和設在比該配管之該噴射器要下游側的靜態攪拌器，該含有有機物的排廢水之處理方法特徵是：該含臭氧氣體中的臭氧濃度A(g/Nm3)與流入到該噴射器之水中的無機碳酸濃度B(g/L)的比A/B為500~1000。 The method for treating waste water containing organic matter according to the present invention is a method using a treatment device containing waste water containing organic matter, and the treatment device is provided with: at least a part of a pipe forming a vertical piping portion extending in an up-and-down direction; and Organic waste water flows downstream through the inside of the vertical piping unit, and water passing means for supplying the waste water containing organic matter to the pipe is provided; and an ejector provided above the vertical piping unit; and ozone is supplied to the ejector. Gas ozone supply means; and a static stirrer located downstream of the ejector of the piping, the treatment method of the waste water containing organic matter is characterized by: the ozone concentration A (g / Nm 3 in the ozone-containing gas) The ratio A / B to the concentration of inorganic carbonic acid B (g / L) flowing into the water of the ejector is 500 to 1,000.

本發明之含有有機物的排廢水之處理裝置，是具備：至少一部分形成朝上下方向延伸之縱配管部的配管；和以含有有機物的排廢水朝下游流通過該縱配管部內的方式，對該配管供給含有有機物的排廢水的通水手段；和設在該縱配管部之上部的噴射器；和對該噴射器供給含臭氧氣體的臭氧供給手段；和設在比該配管之該噴射器要下游側的靜態攪拌器的含有有機物的排廢水之處理裝置，其特徵是具備：使該含臭氧氣體中的臭氧濃度A(g/Nm3)與流入到該噴射器之水中的無機碳酸濃度B(g/L)的比A/B成為500~1000的手段。 An apparatus for treating waste water containing organic matter according to the present invention includes: at least a part of a pipe forming a vertical pipe section extending in the up-and-down direction; and the pipe so that the waste water containing organic matter flows downstream through the longitudinal pipe section. A water supply means for supplying waste water containing organic matter; and an ejector provided above the longitudinal pipe portion; and an ozone supply means for supplying ozone-containing gas to the ejector; and provided downstream of the ejector of the piping An apparatus for treating waste water containing organic matter in a static mixer on the side is characterized in that the ozone concentration A (g / Nm 3 ) in the ozone-containing gas and the concentration of inorganic carbonic acid B ( g / L) ratio A / B means 500 ~ 1000.

本發明之一形態中，將被供給到上述噴射器之含有有機物的排廢水以無機碳酸去除手段作無機碳酸去除處理。 In one aspect of the present invention, the waste water containing organic matter supplied to the ejector is subjected to an inorganic carbonic acid removal treatment by an inorganic carbonic acid removal means.

本發明之一形態中，上述靜態攪拌器設置成鉛直方向，並將上述噴射器之流出水朝下游通水到該靜態攪拌器。 In one aspect of the present invention, the static agitator is provided in a vertical direction, and the outflow water of the ejector is passed downstream to the static agitator.

本發明之含有有機物的排廢水之處理方法及裝置中，藉著使上述比率A/B形成500~1000，可以提升有機物分解效率，且處理水中的TOC濃度較低。 In the method and device for treating wastewater containing organic matter according to the present invention, by setting the above-mentioned ratio A / B to 500 to 1000, the decomposition efficiency of organic matter can be improved, and the TOC concentration in the treated water is low.

2‧‧‧酸添加手段 2‧‧‧Acid addition means

3‧‧‧無機碳酸去除裝置 3‧‧‧ inorganic carbonic acid removal device

8‧‧‧噴射器 8‧‧‧ Ejector

10‧‧‧臭氧產生機 10‧‧‧ ozone generator

12‧‧‧靜態攪拌器 12‧‧‧ static mixer

14‧‧‧處理水槽 14‧‧‧ treatment tank

[圖1]圖1是表示實施例的說明圖。 [Fig. 1] Fig. 1 is an explanatory diagram showing an embodiment.

[圖2]圖2是表示其他實施例的說明圖。 [Fig. 2] Fig. 2 is an explanatory diagram showing another embodiment.

以下，參考圖面針對實施形態作說明。圖1是關於實施形態之含有有機物的處理裝置的流程方塊圖。 Hereinafter, embodiments will be described with reference to the drawings. FIG. 1 is a block diagram showing a flow of an organic substance-containing processing apparatus according to the embodiment.

被處理水，在配管1藉由酸添加手段2添加酸之後，被導入無機碳酸去除裝置3，去除無機碳酸。而作為在酸添加手段2所添加的酸可以為硫酸，且以添加後的被處理水之pH形成5~6的方式作添加為佳。藉著如上述添加酸使被處理水之pH呈酸性，無機碳酸形成二氧化碳，所以能提升在接下來的無機碳酸去除裝置3的無機碳酸去除效率。 The treated water is introduced into the inorganic carbonic acid removing device 3 after the acid is added to the pipe 1 by the acid adding means 2 to remove the inorganic carbonic acid. The acid to be added in the acid addition means 2 may be sulfuric acid, and it is preferable to add it so that the pH of the treated water after the addition becomes 5-6. By adding an acid as described above, the pH of the water to be treated becomes acidic, and the inorganic carbonic acid forms carbon dioxide. Therefore, the inorganic carbonic acid removal efficiency of the subsequent inorganic carbonic acid removal device 3 can be improved.

本發明的特徵是使無機碳酸濃度與臭氧濃度形成固定比率，所以對被處理水中之無機碳酸濃度沒有限制。藉由上述處理，水中之無機碳酸濃度，被減低到一般為1.0g/L以下，特別是0.01~0.5g/L左右為止。而作為無機碳酸去除裝置3，舉例有脫碳酸塔、脫碳酸膜、膜脫氣裝置、真空脫氣裝置、氮脫氣裝置等，特別是脫碳酸塔最合適，但不限定於此。 The feature of the present invention is that the inorganic carbonic acid concentration and the ozone concentration form a fixed ratio, so there is no limitation on the inorganic carbonic acid concentration in the water to be treated. Through the above-mentioned treatment, the concentration of inorganic carbonic acid in water is reduced to generally 1.0 g / L or less, especially about 0.01 to 0.5 g / L. Examples of the inorganic carbonic acid removal device 3 include a decarbonation tower, a decarbonation film, a membrane degassing device, a vacuum degassing device, and a nitrogen degassing device. The decarbonation tower is particularly suitable, but is not limited thereto.

已用無機碳酸去除裝置3去除無機碳酸的水，以泵4作升壓，再以過氧化氫添加手段6添加過氧化氫，並以強鹼添加手段7添加強鹼，再介由配管5被供給到噴射器8，並添加臭氧。 The inorganic carbonic acid removal device 3 has been used to remove the inorganic carbonic acid water, the pump 4 is used as the pressure booster, the hydrogen peroxide is added by the hydrogen peroxide adding means 6, and the strong alkali is added by the strong alkali adding means 7, and then is passed through the pipe 5. It is supplied to the ejector 8 and ozone is added.

以噴射器8的每單位時間之臭氧供給量E(g/H)，與來自過氧化氫添加手段6的每單位時間之過氧化氫添加量C(g/H)的比E/C最好為1~10，特別是2~6的方式從過氧化氫添加手段6添加過氧化氫。過氧化氫作為自由基反應引發劑而產生作用，促進藉由臭氧的有機物分解反應。 The ratio E / C of the ozone supply amount E (g / H) per unit time of the ejector 8 to the hydrogen peroxide addition amount C (g / H) per unit time from the hydrogen peroxide adding means 6 is the best. Hydrogen peroxide is added from hydrogen peroxide adding means 6 in a manner of 1 to 10, especially 2 to 6. Hydrogen peroxide acts as a free radical reaction initiator and promotes the decomposition of organic substances by ozone.

從強鹼添加手段7，最好為添加NaOH水溶液，且以水的pH為7~11，特別是8~10的方式作添加。如此一來藉著使水的pH形成強鹼性，可促進藉由臭氧的有機物氧化反應。 From the strong base adding means 7, it is best to add a NaOH aqueous solution, and add the water at a pH of 7 to 11, especially 8 to 10. In this way, by making the pH of water strongly alkaline, the oxidation reaction of organic substances by ozone can be promoted.

噴射器8之喉部的氣體流入口，是介由配管9連接到臭氧產生機10，且以含臭氧氣體被吸入噴射器8的方式所構成。而作為臭氧產生機10，最好為電解式、放電 式等，可以控制產生之含臭氧氣體中的臭氧濃度者。 The gas inlet of the throat of the ejector 8 is connected to the ozone generator 10 through a pipe 9 and is configured such that ozone-containing gas is sucked into the ejector 8. The ozone generator 10 is preferably an electrolytic type or a discharge type, and can control the ozone concentration in the generated ozone-containing gas.

噴射器8，是以水噴出方向呈鉛直向下的方式所設置，上述配管5連接到噴射器8之上端的流體運作流入口。而噴射器8之流出口，介由鉛直的配管11連接到靜態攪拌器12之上端的流入部。 The ejector 8 is installed so that the water ejection direction is vertically downward, and the pipe 5 is connected to a fluid operation inlet of the upper end of the ejector 8. The outlet of the ejector 8 is connected to the inflow portion of the upper end of the static stirrer 12 through a vertical pipe 11.

靜態攪拌器12的構造是在管狀套管內收納攪拌用流路材，而本實施形態中管狀套管設置成朝鉛直方向。又，如此藉著將靜態攪拌器12設置成鉛直方向並向下游通水，在靜態攪拌器12內含臭氧之氣泡因浮力上升，所以靜態攪拌器12內之臭氧的滯留時間變長，臭氧的溶解效率提升。 The structure of the static stirrer 12 is to store a flow channel material for stirring in a tubular sleeve. In the present embodiment, the tubular sleeve is provided in a vertical direction. In addition, by setting the static stirrer 12 in a vertical direction and passing water downstream, the ozone-containing bubbles in the static stirrer 12 rise due to buoyancy, so the ozone residence time in the static stirrer 12 becomes longer, and the ozone Improved dissolution efficiency.

從靜態攪拌器12之下端的流出部所流出的水，介由配管13被導入處理水槽14，處理水再從該處理水槽14被取出。 The water flowing out from the outflow part at the lower end of the static mixer 12 is introduced into the processing water tank 14 through the pipe 13, and the processing water is taken out from the processing water tank 14 again.

本發明中，可以藉由無機碳酸檢測器(省略圖示)檢測出被供給到噴射器8之水中的無機碳酸濃度。又，流通過配管1或配管5的被處理水之流量也可以用流量計(省略圖示)作測量。 In the present invention, the concentration of inorganic carbonic acid in the water supplied to the ejector 8 can be detected by an inorganic carbonic acid detector (not shown). The flow rate of the water to be treated flowing through the pipe 1 or the pipe 5 may be measured by a flow meter (not shown).

從臭氧產生機10供給到噴射器8之臭氧量，是藉由控制在臭氧產生機10之電流，或控制設在配管9之閥(省略圖示)的開關加以控制。 The amount of ozone supplied from the ozone generator 10 to the ejector 8 is controlled by controlling the current in the ozone generator 10 or by controlling the switch of a valve (not shown) provided in the pipe 9.

本發明中，被供給到噴射器8之含臭氧氣體中的臭氧濃度A(g/Nm3)，與從配管5被供給到噴射器8之水中的無機碳酸濃度B(g/L)的比A/B形成500~1000。為了使 A/B=500~1000，控制在無機碳酸去除裝置3的無機碳酸去除量，與被供給到噴射器8之含臭氧氣體中的臭氧濃度的至少一者。 In the present invention, the ratio of the ozone concentration A (g / Nm 3 ) in the ozone-containing gas supplied to the ejector 8 to the inorganic carbonic acid concentration B (g / L) in the water supplied to the ejector 8 from the pipe 5 A / B formation is 500 ~ 1000. In order to make A / B = 500 to 1000, at least one of the amount of inorganic carbonic acid removal in the inorganic carbonic acid removal device 3 and the ozone concentration in the ozone-containing gas supplied to the ejector 8 is controlled.

A/B未滿500時，溶解到水中之臭氧因無機碳酸被消耗使得有機物分解效率降低。另一方面，A/B為1000以上時，因臭氧濃度過高，臭氧之間會反應而消耗，反而降低有機物分解效率。藉著使A/B在500~1000，可以將因臭氧之無機碳酸的消耗與臭氧氣體之間的反應消耗抑制在最小限度，進而提升有機物的分解效率。 When the A / B is less than 500, the ozone dissolved in the water is consumed by the inorganic carbonic acid, which reduces the decomposition efficiency of the organic matter. On the other hand, when A / B is 1000 or more, the ozone concentration will be too high, and the ozone will react and be consumed, which will reduce the decomposition efficiency of organic matter. By setting A / B at 500 ~ 1000, the consumption of inorganic carbonic acid due to ozone and the reaction consumption between ozone gas can be suppressed to a minimum, and the decomposition efficiency of organic substances can be improved.

在上述說明中，設置有過氧化氫添加手段6，但也可以設置次亞氯酸鈉、二氧化氯、次溴酸鈉等鹵素系藥劑添加手段取代過氧化氫添加手段6。此時鹵素系藥劑的添加量，最好以朝噴射器8的每單位時間之臭氧添加量E(g/h)，與每單位時間之鹵素系藥劑注入量D(g/h)的比E/D為1~6，特別是2~5的量為佳。 In the above description, the hydrogen peroxide adding means 6 is provided, but a halogen-based chemical agent adding means such as sodium hypochlorite, chlorine dioxide, and sodium hypobromite may be provided instead of the hydrogen peroxide adding means 6. At this time, the amount of the halogen-based agent to be added is preferably the ratio E (g / h) of the ozone added amount per unit time to the ejector 8 and the ratio E (g / h) of the amount of the halogen-based agent injected per unit time. / D is preferably from 1 to 6, especially from 2 to 5.

[實施例]     [Example]     [實施例1]     [Example 1]    

除了沒有設置酸添加手段2、無機碳酸去除裝置3及強鹼添加手段7之外，使用如圖1所示構成的裝置(參考圖2)，並處理TOC20mg/L、無機碳酸濃度200mg/L(B=0.2g/L)、pH8.5的被處理水。被處理水流量為50m3/h。被供給到噴射器8之含臭氧氣體的臭氧濃度A為100g/Nm3， 含臭氧氣體之供給量(流量)為30Nm3/h。 Except that acid addition means 2, inorganic carbonic acid removal device 3, and strong alkali addition means 7 are not provided, an apparatus configured as shown in FIG. 1 is used (refer to FIG. 2), and TOC 20 mg / L and inorganic carbonic acid concentration 200 mg / L ( B = 0.2g / L), treated water at pH 8.5. The treated water flow is 50m 3 / h. The ozone concentration A of the ozone-containing gas supplied to the ejector 8 was 100 g / Nm 3 , and the supply amount (flow rate) of the ozone-containing gas was 30 Nm 3 / h.

使用則武股份有限公司製的噴水攪拌器作為噴射器8。 As the ejector 8, a water-jet agitator manufactured by Noritake Corporation was used.

TOC去除率與上述之中的主要條件如表1所示。 Table 1 shows the TOC removal rate and the main conditions mentioned above.

[實施例2、3，比較例1~3]     [Examples 2, 3, and Comparative Examples 1 to 3]    

被供給到噴射器8之含臭氧氣體的臭氧濃度A如表1所示，除此以外與實施例1在相同條件下處理上述被處理水。結果如表1所示。 The ozone concentration A of the ozone-containing gas supplied to the ejector 8 is shown in Table 1, and the treated water was treated under the same conditions as in Example 1 except for the same. The results are shown in Table 1.

[實施例4]     [Example 4]    

如圖1所示，使用設置有酸添加手段2、無機碳酸去除裝置3及強鹼添加手段7的裝置處理與上述相同的被處理水。 As shown in FIG. 1, the same to-be-processed water is processed using the apparatus provided with the acid addition means 2, the inorganic carbonic acid removal device 3, and the strong alkali addition means 7.

設置脫碳酸塔作為無機碳酸去除裝置3。以形成pH6的方式從酸添加手段2添加硫酸。以形成pH8.5的方 式從強鹼添加手段7添加氫氧化鈉水溶液。藉由無機碳酸去除處理，使水(朝噴射器8的流入水)中之無機碳酸濃度形成100mg/L。 A decarbonation tower is provided as the inorganic carbonic acid removal device 3. Sulfuric acid was added from the acid addition means 2 so as to form pH 6. An aqueous sodium hydroxide solution was added from the strong base addition means 7 in a manner to form pH 8.5. By the inorganic carbonic acid removal treatment, the concentration of the inorganic carbonic acid in the water (the inflow water toward the ejector 8) was set to 100 mg / L.

其他條件與實施例1相同。結果如表2所示。 The other conditions are the same as in Example 1. The results are shown in Table 2.

[實施例5、6，比較例4~6]     [Examples 5, 6 and Comparative Examples 4 to 6]    

對噴射器8供給之含臭氧氣體的臭氧濃度A如表2所示，其他與實施例4在相同條件下處理上述被處理水。結果如表2所示。 The ozone concentration A of the ozone-containing gas supplied to the ejector 8 is shown in Table 2, and the other treated water was treated under the same conditions as in Example 4. The results are shown in Table 2.

從表1、2可以清楚了解，藉著臭氧與無機碳酸的濃度比A/B形成500~1000的各實施例與比較例作比較，TOC去除率顯著地提高，這是被認可的。 As can be clearly understood from Tables 1 and 2, it is recognized that the TOC removal rate is significantly improved by comparing the respective examples and comparative examples that form 500 to 1000 with the concentration ratio A / B of ozone and inorganic carbonic acid.

已利用特定形態詳細說明本發明，但只要不脫離本發明的意圖與範圍可以有各種變化，這是同業者所明瞭的。 Although the present invention has been described in detail using specific aspects, it is obvious to those skilled in the art that various changes can be made without departing from the spirit and scope of the present invention.

本申請案是根據2016年5月12日申請之日本專利申請2016-096244，並引用其整體內容。 This application is based on Japanese Patent Application No. 2016-096244 filed on May 12, 2016, and the entire contents are cited.

Claims (4)

一種含有有機物的排廢水之處理方法，是使用具備有：至少一部分形成朝上下方向延伸之縱配管部的配管；和以含有有機物的排廢水朝下游流過該縱配管部內的方式，對該配管供給含有有機物的排廢水的通水手段；和設在該縱配管部之上部的噴射器；和對該噴射器供給含臭氧氣體的臭氧供給手段；和設在比該配管之該噴射器要下游側的靜態攪拌器，的含有有機物的排廢水之處理裝置的含有有機物的排廢水之處理方法，其特徵為：該含臭氧氣體中的臭氧濃度A(g/Nm 3)，與流入到該噴射器之水中的無機碳酸濃度B(g/L)的比A/B為500~1000。 An organic matter-containing waste water treatment method uses a pipe provided with: at least a part of which forms a vertical pipe portion extending in an up-and-down direction; and the waste water containing organic matter flows downstream through the vertical pipe portion to the pipe A water supply means for supplying waste water containing organic matter; and an ejector provided above the longitudinal pipe portion; and an ozone supply means for supplying ozone-containing gas to the ejector; and provided downstream of the ejector of the piping A static agitator on the side, a method for treating organic waste water containing waste water, and a method for treating organic waste water containing waste water are characterized in that: the ozone concentration A (g / Nm 3 ) in the ozone-containing gas, and the inflow into the jet The ratio A / B of the inorganic carbonic acid concentration B (g / L) in the water of the vessel is 500 to 1000. 如請求項1之含有有機物的排廢水之處理方法，其中，將被供給到上述噴射器之含有有機物的排廢水以無機碳酸去除手段作無機碳酸去除處理。     For example, the method for treating waste water containing organic matter according to claim 1, wherein the waste water containing organic matter supplied to the ejector is treated for removing inorganic carbonic acid by means of removing inorganic carbonic acid.     如請求項1或2之含有有機物的排廢水之處理方法，其中，上述靜態攪拌器設置成鉛直方向，並將上述噴射器之流出水朝下游通水到該靜態攪拌器。     For example, the method for treating wastewater containing organic matter according to claim 1 or 2, wherein the static agitator is set in a vertical direction, and the outflow water of the ejector is passed downstream to the static agitator.     一種含有有機物的排廢水之處理裝置，是具備：至少一部分形成朝上下方向延伸之縱配管部的配管；和以含有有機物的排廢水朝下游流過該縱配管部內的方式，對該配管供給含有有機物的排廢水的通水手段；和設在該縱配管部之上部的噴射器；和對該噴射器供給含臭氧氣體的臭氧供給手段；和設在比該配管之該噴射器要下游側的靜態攪拌器，的含有有機物的排廢水之處理裝置，其特徵為具備：使該含臭氧氣體中的臭氧濃度A(g/Nm 3)，與流入到該噴射器之水中的無機碳酸濃度B(g/L)的比A/B為500~1000的手段。 An organic matter-containing waste water treatment device includes: at least a portion of a pipe forming a vertical pipe portion extending in an up-and-down direction; and an organic matter-containing waste water flowing downstream through the vertical pipe portion to supply the pipe with Means for passing water for draining organic matter; and an ejector provided above the vertical pipe portion; and an ozone supply means for supplying ozone-containing gas to the ejector; and an ejector provided downstream of the ejector of the piping A static agitator, a device for treating wastewater containing organic matter, is characterized in that the ozone concentration A (g / Nm 3 ) in the ozone-containing gas and the inorganic carbonic acid concentration B ( g / L) ratio A / B means 500 ~ 1000.
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