JP2000093953A - Apparatus for decomposing hardly decomposable organic substance and method for removing using the same hardly decomposable organic substance - Google Patents
Apparatus for decomposing hardly decomposable organic substance and method for removing using the same hardly decomposable organic substanceInfo
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- JP2000093953A JP2000093953A JP10270404A JP27040498A JP2000093953A JP 2000093953 A JP2000093953 A JP 2000093953A JP 10270404 A JP10270404 A JP 10270404A JP 27040498 A JP27040498 A JP 27040498A JP 2000093953 A JP2000093953 A JP 2000093953A
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- hardly decomposable
- ultraviolet
- decomposing
- decomposable organic
- protective tube
- Prior art date
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、廃水処理における
難分解性有機物分解装置およびそれを利用した難分解性
有機物除去方法に関する。The present invention relates to an apparatus for decomposing hardly decomposable organic substances in wastewater treatment and a method for removing hardly decomposable organic substances using the same.
【０００２】[0002]
【従来の技術】従来、有機性汚水、下水、し尿処理など
の廃水処理において、生物処理後も残存する難分解性有
機物の分解方法の１つとして、紫外線照射による酸化法
が行われており、汚泥やスラリー中の難分解性有機物は
固液分離によって水側に移行させた状態で紫外線照射さ
れている。2. Description of the Related Art Conventionally, in wastewater treatment such as treatment of organic sewage, sewage, and human waste, an oxidation method by irradiation with ultraviolet rays has been used as one of the methods for decomposing hardly decomposable organic substances remaining after biological treatment. The hardly decomposable organic matter in the sludge or slurry is irradiated with ultraviolet light in a state where it is moved to the water side by solid-liquid separation.
【０００３】この酸化法は、有機物は紫外部に吸収部を
もつものが多く、紫外線を吸収することで活性化されて
不安定になり、酸化され易くなることを利用するもので
あり、塩素や過酸化水素などの酸化剤が存在すると、有
機物はより小さな分子にまで分解される。[0003] This oxidation method utilizes the fact that many organic substances have an absorbing portion in the ultraviolet, and are activated by absorbing ultraviolet rays, become unstable, and easily oxidized. In the presence of an oxidizing agent such as hydrogen peroxide, organic matter is broken down into smaller molecules.
【０００４】その際、難分解性有機物の酸化には、オゾ
ン生成線（または真空紫外線）と呼ばれる１００〜２０
０ｎｍの紫外線が効果的であると思われるため、約１８
５ｎｍと約２５４ｎｍとに特異的線スペクトルを有する
低圧紫外線ランプが使用されることが多い。[0004] At this time, the oxidation of the hardly decomposable organic substance is performed by using an ozone generation line (or vacuum ultraviolet ray) of 100 to 20.
Since about 0 nm UV light seems to be effective, about 18
Low pressure UV lamps with specific line spectra at 5 nm and about 254 nm are often used.
【０００５】[0005]
【発明が解決しようとする課題】ところで、液中の難分
解性有機物を分解する時には、処理対象液との直接の接
触を避けるために通常、保護管で保護された紫外線ラン
プが使用されている。しかし、紫外線ランプと保護管と
の間には空気が存在するために、空気中の酸素によって
オゾン生成線が吸収されてしまい、難分解性有機物の分
解に有効に利用されないという問題がある。When a hardly decomposable organic substance in a liquid is decomposed, an ultraviolet lamp protected by a protective tube is usually used to avoid direct contact with the liquid to be treated. . However, since air is present between the ultraviolet lamp and the protection tube, there is a problem that ozone generation rays are absorbed by oxygen in the air and are not effectively used for decomposing hardly decomposable organic substances.
【０００６】本発明は上記問題を解決するもので、照射
する紫外線を有効に利用して難分解性有機物を分解除去
することを目的とするものである。An object of the present invention is to solve the above-mentioned problem and to decompose and remove hardly decomposable organic substances by effectively using the ultraviolet rays to be irradiated.
【０００７】[0007]
【課題を解決するための手段】上記問題を解決するため
に、本発明の請求項１記載の難分解性有機物分解装置
は、難分解性有機物を含んだ処理対象液を貯溜する処理
槽と、前記処理対象液中に浸漬設置されて紫外線を照射
する紫外線照射装置とを有した難分解性有機物分解装置
において、前記紫外線照射装置は、オゾン生成線を照射
する紫外線ランプを囲んで保護管を配置し、紫外線ラン
プと保護管との間を真空引きした構成としたものであ
る。In order to solve the above-mentioned problems, the apparatus for decomposing hard-to-decompose organic substances according to claim 1 of the present invention comprises: a processing tank for storing a liquid to be processed containing hard-to-decompose organic substances; A hard-to-decompose organic matter decomposer having an ultraviolet irradiation device that is immersed in the liquid to be treated and irradiates ultraviolet light, wherein the ultraviolet irradiation device is provided with a protective tube surrounding an ultraviolet lamp that irradiates an ozone generation line. Then, the space between the ultraviolet lamp and the protection tube is evacuated.
【０００８】請求項２記載の難分解性有機物分解装置
は、難分解性有機物を含んだ処理対象液を貯溜する処理
槽と、前記処理対象液中に浸漬設置されて紫外線を照射
する紫外線照射装置とを有した難分解性有機物分解装置
において、前記紫外線照射装置は、オゾン生成線を照射
する紫外線ランプを囲んで保護管を配置し、紫外線ラン
プと保護管との間に、オゾン生成線非吸収性の流体を充
填した構成としたものである。The apparatus for decomposing a hardly decomposable organic substance according to claim 2 is a processing tank for storing a liquid to be processed containing a hardly decomposable organic substance, and an ultraviolet irradiation apparatus immersed in the liquid to be processed and irradiating ultraviolet rays. In the apparatus for decomposing hardly decomposable organic substances, the ultraviolet irradiation device includes a protective tube surrounding an ultraviolet lamp for irradiating an ozone generating beam, and a non-absorbing ozone generating line between the ultraviolet lamp and the protective tube. It is configured to be filled with an ionic fluid.
【０００９】請求項３記載の難分解性有機物除去方法
は、請求項１または請求項２のいずれかに記載の難分解
性有機物分解装置を利用した難分解性有機物除去方法で
あって、有機性汚水、下水、し尿などの廃水を生物処理
した後、あるいは生物処理と凝集沈殿処理とを順次行っ
た後に、固液分離手段によって浮遊物を除去し、浮遊物
除去水を前記難分解性有機物分解装置に導入して、紫外
線ランプよりオゾン生成線を照射することにより浮遊物
除去水中の難分解性有機物を分解し、紫外線処理水とし
て導出するようにしたものである。According to a third aspect of the present invention, there is provided a method for removing a hardly decomposable organic substance using the apparatus for decomposing a hardly decomposable organic substance according to any one of the first and second aspects. After biological treatment of wastewater such as sewage, sewage, human waste, or after sequentially performing biological treatment and coagulation sedimentation treatment, the suspended matter is removed by solid-liquid separation means, and the suspended matter-removed water is decomposed by the hardly decomposable organic matter. It is introduced into the apparatus, and the hard-to-decompose organic matter in the water for removing suspended matter is decomposed by irradiating ozone-generating rays from an ultraviolet lamp, and is derived as ultraviolet-treated water.
【００１０】ここで、難分解性有機物とは、生物処理で
分解しない溶解性有機物を意味し、ダイオキシン、フラ
ン、コプラナーＰＣＢなどのダイオキシン類や、有機塩
素系や有機リン系農薬などの農薬類を包含する。Here, the term "hardly decomposable organic substance" means a soluble organic substance which is not decomposed by biological treatment, and includes dioxins such as dioxin, furan and coplanar PCB, and pesticides such as organochlorine and organophosphorus pesticides. Include.
【００１１】上記した構成によれば、紫外線ランプと保
護管との間は、ほぼ真空であるか、オゾン生成線を吸収
しない流体が存在するだけなので、紫外線ランプより出
たオゾン生成線は吸収されることなく保護管に到達し、
保護管に接触している処理対象液に照射されることにな
り、処理対象液中に含まれる難分解性有機物は効率よく
分解される。[0011] According to the above-described structure, since the space between the ultraviolet lamp and the protection tube is almost vacuum or only a fluid that does not absorb the ozone generation line exists, the ozone generation line emitted from the ultraviolet lamp is absorbed. Reach the protection tube without
Since the liquid to be treated in contact with the protective tube is irradiated, the hardly decomposable organic matter contained in the liquid to be treated is efficiently decomposed.
【００１２】紫外線照射装置の紫外線ランプは、少なく
ともオゾン生成線（波長１００〜２００ｎｍ）を照射す
るランプであればよく、エネルギー効率の観点から、低
圧水銀ランプを使用するのが好ましい。保護管として
は、紫外線を吸収しないために従来より使用されている
石英管などを使用できる。充填する流体は、気体であっ
ても液体であってもよく、また静止状態であっても循環
流動状態であってもよく、窒素ガスなどの不活性ガスを
好適に使用できる。The ultraviolet lamp of the ultraviolet irradiation device may be any lamp that irradiates at least an ozone generation ray (wavelength: 100 to 200 nm), and it is preferable to use a low-pressure mercury lamp from the viewpoint of energy efficiency. As the protective tube, a quartz tube or the like conventionally used because it does not absorb ultraviolet rays can be used. The fluid to be filled may be a gas or a liquid, or may be a stationary state or a circulating fluid state, and an inert gas such as a nitrogen gas can be suitably used.
【００１３】固液分離手段としては、有機膜やセラミッ
ク膜や中空糸膜などの膜を備えた種々のタイプの膜濾過
装置、砂濾過装置、重力沈降槽などを使用できる。As the solid-liquid separation means, various types of membrane filtration devices, sand filtration devices, gravity settling tanks and the like having an organic membrane, a ceramic membrane, a hollow fiber membrane or the like can be used.
【００１４】[0014]
【発明の実施の形態】以下、本発明の実施形態を図面を
参照しながら説明する。図１に示した難分解性有機物分
解装置では、難分解性有機物を含んだ処理対象液１を貯
溜する円筒形の処理槽２の軸心位置に、処理対象液１に
対して紫外線を照射する紫外線照射装置３が設置されて
いる。Embodiments of the present invention will be described below with reference to the drawings. In the apparatus for decomposing hard-to-decompose organic substances shown in FIG. 1, ultraviolet rays are applied to the liquid-to-be-processed 1 at an axial position of a cylindrical processing tank 2 that stores the liquid-to-be-processed 1 containing hard-to-decompose organic substances. An ultraviolet irradiation device 3 is provided.
【００１５】処理槽２には、上部に流入路４が連通し、
下部に流出路５が連通しており、処理槽２の外部には、
この流出路５と流入路４とを連通する循環路６が設けら
れている。An inflow passage 4 communicates with the processing tank 2 at an upper portion thereof.
The outflow channel 5 communicates with the lower part, and outside the treatment tank 2,
A circulation path 6 that connects the outflow path 5 and the inflow path 4 is provided.
【００１６】紫外線照射装置３は、オゾン生成線をカッ
トしていない低圧水銀ランプなどの紫外線ランプ７を、
処理対象液１に直接接触しないように石英製の円筒形保
護管８の軸心位置に上下方向に配置したものであり、紫
外線ランプ７と保護管８との間隙には、保護管８に形成
されたガス入口８ａとガス出口８ｂとを通じて窒素ガス
９などの流体が循環されている。The ultraviolet irradiation device 3 includes an ultraviolet lamp 7 such as a low-pressure mercury lamp that does not cut off the ozone generation line,
It is vertically arranged at the axial center of a cylindrical protection tube 8 made of quartz so as not to directly contact the liquid 1 to be treated. A fluid such as a nitrogen gas 9 is circulated through the gas inlet 8a and the gas outlet 8b.
【００１７】上記した構成における作用を説明する。処
理対象液１は流入路４を通じて処理槽２の内部に流入
し、流出路５に向かって下向きに流れる。その際、紫外
線照射装置３の紫外線ランプ７から紫外線が放射され、
窒素ガス９に吸収されることなく保護管８に到達して、
保護管８に接触している処理対象液１に照射され、その
結果、処理対象液１中に含まれる難分解性有機物がオゾ
ン生成線によって効率よく分解され、微生物が含まれて
いる場合も殺菌線と呼ばれる紫外線によって殺滅され
る。The operation of the above configuration will be described. The liquid 1 to be processed flows into the processing tank 2 through the inflow path 4 and flows downward toward the outflow path 5. At that time, ultraviolet rays are emitted from the ultraviolet lamp 7 of the ultraviolet irradiation device 3,
Reaching the protection tube 8 without being absorbed by the nitrogen gas 9,
The liquid 1 to be treated which is in contact with the protective tube 8 is irradiated, and as a result, the hardly decomposable organic substances contained in the liquid 1 to be treated are efficiently decomposed by the ozone generation rays, and even when microorganisms are contained, the microorganisms are sterilized. Killed by ultraviolet rays called rays.
【００１８】紫外線照射された紫外線処理液は流出路５
へと流出し、一部の紫外線処理液は次処理工程あるいは
放流路へと送られ、残りの紫外線処理液は循環路６を通
じて流入路４、処理槽２の内部へと循環返送され、それ
により槽内滞留時間が長くなる結果、難分解性有機物の
分解率が高まる。The UV-irradiated UV treatment liquid is supplied to an outflow path 5
And a part of the ultraviolet treatment liquid is sent to the next processing step or the discharge channel, and the remaining ultraviolet treatment liquid is circulated and returned to the inflow path 4 and the inside of the processing tank 2 through the circulation path 6, whereby As a result of the longer residence time in the tank, the decomposition rate of the hardly decomposable organic matter is increased.
【００１９】具体例を挙げると、カビ臭原因物質（２−
ＭＩＢ，ジオスミン）を１ｍｇ／Ｌ濃度で含んだ処理対
象液を処理槽の内部に導入し、処理槽の軸心位置に配置
した４０Ｗ低圧紫外線ランプで５分間照射したところ、
保護管内に空気を封入した従来のタイプの装置では０．
５ｍｇ／Ｌに低減されたのに対して、窒素ガスを循環さ
せた本発明の装置では０．３ｍｇ／Ｌに低減された。As a specific example, a mold odor causing substance (2-
(MIB, diosmin) at a concentration of 1 mg / L was introduced into the processing tank, and irradiated with a 40 W low-pressure ultraviolet lamp placed at the axial position of the processing tank for 5 minutes.
In a conventional type device in which air is sealed in a protective tube, the temperature is 0.1 mm.
In contrast to the reduction to 5 mg / L, the reduction was reduced to 0.3 mg / L in the apparatus of the present invention in which nitrogen gas was circulated.
【００２０】また、水溶性ダイオキシン類を１ｎｇ−Ｔ
ＥＱ／Ｌ濃度で含んだ処理処理対象液を上記と同様の装
置で処理したところ、１／１００００濃度に低減するの
に必要な紫外線照射量は、本発明の装置によれば従来の
装置の１／２〜１／３になり、処理時間は、従来の装置
が６０分であったのに対し本発明の装置では２０〜３０
分になった。In addition, 1 ng-T of water-soluble dioxins is used.
When the liquid to be treated containing the EQ / L concentration was treated by the same apparatus as described above, the amount of ultraviolet irradiation necessary to reduce the concentration to 1/10000 concentration was 1% of the conventional apparatus according to the apparatus of the present invention. ２〜 to １ ／, and the processing time is 20 to 30 minutes in the apparatus of the present invention, whereas the processing time in the conventional apparatus is 60 minutes.
Minutes.
【００２１】紫外線照射装置３として、紫外線ランプ７
と保護管８との間隙を真空引きしたものを使用しても、
紫外線ランプ７から出たオゾン生成線が吸収されること
なく保護管８に到達するので、同様の効果が得られる。As an ultraviolet irradiation device 3, an ultraviolet lamp 7
Even if a vacuum is used for the gap between the protective tube 8 and
Since the ozone generation line emitted from the ultraviolet lamp 7 reaches the protection tube 8 without being absorbed, the same effect can be obtained.
【００２２】なお、処理槽２は内部を鏡面仕上としたス
テンレス製のものを使用するのが効率がよいため好まし
く、紫外線照射装置３は、処理槽２の大きさ、処理対象
液１の性状、供給量等に応じて予め必要な数を求め、そ
の数だけ設置する。The processing tank 2 is preferably made of stainless steel having a mirror-finished interior, because it is efficient. The ultraviolet irradiation device 3 is used for the size of the processing tank 2, the properties of the liquid 1 to be processed, and the like. The required number is determined in advance according to the supply amount and the like, and the number is set.
【００２３】上記したような難分解性有機物分解装置を
廃水処理において使用する場合には、生物処理後、ある
いは生物処理と凝集沈殿処理とを順次行った後に、有機
膜やセラミック膜や中空糸膜などの膜を備えた種々のタ
イプの膜濾過装置、砂濾過装置、重力沈降槽などの固液
分離手段によって浮遊物を除去し、浮遊物除去水を、難
分解性有機物分解装置に導入する。オゾンなどの酸化剤
を併用するのが好ましい。In the case of using the above-mentioned hardly decomposable organic matter decomposing apparatus in wastewater treatment, an organic membrane, a ceramic membrane, a hollow fiber membrane or the like is used after the biological treatment or after the biological treatment and the coagulation sedimentation treatment are sequentially performed. The suspended matter is removed by solid-liquid separation means such as various types of membrane filtration devices, sand filtration devices, gravity sedimentation tanks, etc. having a membrane such as the above, and the suspended matter-removed water is introduced into the hardly decomposable organic matter decomposition device. It is preferable to use an oxidizing agent such as ozone in combination.
【００２４】たとえば有機性汚水処理の場合、図２に示
したように、原水１１を前処理設備１２で除塵・除砂お
よび流量調整し、前凝集沈殿設備１３で鉄やマンガンな
どの重金属類を凝集沈殿させ、生物処理設備１４でＢＯ
Ｄ物質やＴ−Ｎを分解除去し、凝集処理設備１５でＣＯ
Ｄ物質や浮遊物質やＴ−Ｐなどを凝集沈殿させ、砂濾過
器１６で微細な浮遊物質を除去する。For example, in the case of organic sewage treatment, as shown in FIG. 2, raw water 11 is subjected to dust removal / sand removal and flow adjustment by a pretreatment facility 12, and heavy metals such as iron and manganese are removed by a pre-coagulation / sedimentation facility 13. Coagulated and sedimented, and BO
D substance and TN are decomposed and removed.
The D substance, suspended substance, TP and the like are coagulated and settled, and the fine suspended substance is removed by the sand filter 16.
【００２５】それにより紫外線反応を妨害する汚濁物質
がほとんど除去された濾過水１７を、ＵＶオゾン処理設
備１８に設置した上記紫外線照射装置の処理槽２に導入
し、処理槽２内にオゾンを供給する状態において、紫外
線ランプ７より紫外線を照射することにより、濾過水１
７中に残存するダイオキシン類等の難分解性有機物を分
解する。そして、このＵＶオゾン処理液１９を活性炭吸
着処理設備２０で色度成分などを除去してから放流す
る。The filtered water 17 from which pollutants which hinder the ultraviolet reaction has been almost removed is introduced into the processing tank 2 of the ultraviolet irradiation apparatus installed in the UV ozone processing equipment 18, and ozone is supplied into the processing tank 2. Irradiate the ultraviolet light from the ultraviolet lamp 7 in the
7 decomposes hardly decomposable organic substances such as dioxins remaining in Then, the UV ozone treatment liquid 19 is discharged after removing chromaticity components and the like in the activated carbon adsorption treatment equipment 20.
【００２６】前凝集沈殿設備３，生物処理設備４，凝集
処理設備５で発生した汚泥２１は、汚泥処理設備２２に
おいて、必要に応じて有害物質除去処理を施した後に、
脱水ケーキ２３と脱水濾液２４とに分離し、脱水ケーキ
２３は系外へ搬出し、脱水濾液２４は生物処理設備４へ
返送する。The sludge 21 generated in the pre-coagulation and sedimentation equipment 3, the biological treatment equipment 4, and the coagulation treatment equipment 5 is subjected to a harmful substance removal treatment in a sludge treatment equipment 22 as necessary.
The dehydrated cake 23 and the dehydrated filtrate 24 are separated, the dehydrated cake 23 is carried out of the system, and the dehydrated filtrate 24 is returned to the biological treatment facility 4.
【００２７】[0027]
【発明の効果】以上のように、本発明の難分解性有機物
分解装置によれば、紫外線ランプと保護管との間を真空
引きしたことにより、従来の装置では空気層に吸収され
ていたオゾン生成線を確実に処理対象液に到達させるこ
とができ、難分解性有機物を高率にて分解できる。As described above, according to the apparatus for decomposing hard-to-decompose organic matter of the present invention, the vacuum between the ultraviolet lamp and the protective tube is evacuated, so that the ozone absorbed in the air layer in the conventional apparatus. The generated line can surely reach the liquid to be treated, and the hardly decomposable organic matter can be decomposed at a high rate.
【００２８】紫外線ランプと保護管との間に、オゾン生
成線を吸収しない流体を充填したことによっても、オゾ
ン生成線を確実に処理対象液に到達させることができ、
難分解性有機物を高率にて分解できる。By filling the space between the ultraviolet lamp and the protective tube with a fluid that does not absorb the ozone generation line, the ozone generation line can reliably reach the liquid to be treated.
Refractory organic substances can be decomposed at a high rate.
【００２９】また本発明の難分解性有機物除去方法によ
れば、有機性汚水、下水、し尿などの廃水を生物処理し
た後、あるいは生物処理と凝集沈殿処理とを順次行った
後に、浮遊物を除去し、上記したような難分解性有機物
分解装置に導入するので、残存する難分解性有機物を効
率よく分解除去できる。Further, according to the method for removing hardly decomposable organic matter of the present invention, after the organic wastewater, sewage, wastewater such as human waste is biologically treated, or after the biological treatment and the coagulation sedimentation treatment are sequentially performed, the suspended matter is removed. Since it is removed and introduced into the apparatus for decomposing hardly decomposable organic substances as described above, the remaining hardly decomposable organic substances can be efficiently decomposed and removed.
【図１】本発明の一実施形態における難分解性有機物分
解装置の概略全体構成を示した説明図である。FIG. 1 is an explanatory diagram showing a schematic overall configuration of an apparatus for decomposing hardly decomposable organic substances according to an embodiment of the present invention.
【図２】図１の難分解性有機物分解装置を使用する有機
性汚水の処理フローを示した説明図である。FIG. 2 is an explanatory diagram showing a processing flow of organic sewage using the hardly decomposable organic matter decomposer of FIG.
１ 処理対象液 ２ 処理槽 ３ 紫外線照射装置 ７ 紫外線ランプ ８ 保護管 ９ 窒素ガス DESCRIPTION OF SYMBOLS 1 Processing target liquid 2 Processing tank 3 Ultraviolet irradiation device 7 Ultraviolet lamp 8 Protection tube 9 Nitrogen gas
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｃ０２Ｆ 9/00 ５０２ Ｃ０２Ｆ 9/00 ５０２Ｎ ５０２Ｐ ５０２Ｒ ５０２Ｚ ５０３ ５０３Ｃ ５０４ ５０４Ａ (72)発明者 寺尾 康 大阪府大阪市浪速区敷津東一丁目２番47号 株式会社クボタ内 (72)発明者 南 宏和 大阪府大阪市浪速区敷津東一丁目２番47号 株式会社クボタ内 Ｆターム(参考） 4D037 AA11 AB03 AB14 AB15 BA18 BB07 CA01 CA02 CA03 CA07 CA08 CA12 4D050 AA12 AB06 AB19 AB20 BB02 BC09 CA06 CA09 CA15 CA16 CA17 ──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) C02F 9/00 502 C02F 9/00 502N 502P 502R 502Z 503 503C 504 504A (72) Inventor Yasushi Terao Osaka, Osaka 1-47, Shikatsu-Higashi 1-chome, Naniwa-ku, Ichiba Kubota Co., Ltd. (72) Inventor Hirokazu Minami 2-47, Shikitsu-Higashi, 1-chome, Naniwa-ku, Osaka, Osaka Prefecture F-term (reference) 4D037 AA11 AB03 AB14 AB15 BA18 BB07 CA01 CA02 CA03 CA07 CA08 CA12 4D050 AA12 AB06 AB19 AB20 BB02 BC09 CA06 CA09 CA15 CA16 CA17
Claims (3)
溜する処理槽と、前記処理対象液中に浸漬設置されて紫
外線を照射する紫外線照射装置とを有した難分解性有機
物分解装置において、前記紫外線照射装置は、オゾン生
成線を照射する紫外線ランプを囲んで保護管を配置し、
紫外線ランプと保護管との間を真空引きしたことを特徴
とする難分解性有機物分解装置。An apparatus for decomposing hard-to-decompose organic substances, comprising: a processing tank for storing a liquid to be processed containing a hard-to-decompose organic substance; and an ultraviolet irradiation device immersed and installed in the liquid to be processed to irradiate ultraviolet rays. The ultraviolet irradiation device arranges a protective tube around an ultraviolet lamp for irradiating an ozone generating beam,
An apparatus for decomposing hardly decomposable organic substances, wherein a vacuum is drawn between an ultraviolet lamp and a protective tube.
溜する処理槽と、前記処理対象液中に浸漬設置されて紫
外線を照射する紫外線照射装置とを有した難分解性有機
物分解装置において、前記紫外線照射装置は、オゾン生
成線を照射する紫外線ランプを囲んで保護管を配置し、
紫外線ランプと保護管との間に、オゾン生成線非吸収性
の流体を充填したことを特徴とする難分解性有機物分解
装置。2. An apparatus for decomposing a hardly decomposable organic substance, comprising: a processing tank for storing a liquid to be processed containing a hardly decomposable organic substance; and an ultraviolet irradiation device immersed in the liquid to be processed and irradiating ultraviolet rays. The ultraviolet irradiation device arranges a protective tube around an ultraviolet lamp for irradiating an ozone generating beam,
An apparatus for decomposing hardly decomposable organic substances, characterized in that a fluid that does not absorb ozone-generating radiation is filled between an ultraviolet lamp and a protective tube.
載の難分解性有機物分解装置を利用した難分解性有機物
除去方法であって、有機性汚水、下水、し尿などの廃水
を生物処理した後、あるいは生物処理と凝集沈殿処理と
を順次行った後に、固液分離手段によって浮遊物を除去
し、浮遊物除去水を前記難分解性有機物分解装置に導入
して、紫外線ランプよりオゾン生成線を照射することに
より浮遊物除去水中の難分解性有機物を分解し、紫外線
処理水として導出することを特徴とする難分解性有機物
除去方法。3. A method for removing hardly decomposable organic matter using the hardly decomposable organic matter decomposing apparatus according to claim 1, wherein wastewater such as organic wastewater, sewage, and human waste is biologically treated. Or after the biological treatment and the coagulation sedimentation treatment are sequentially performed, the suspended matter is removed by solid-liquid separation means, and the suspended matter-removed water is introduced into the hardly decomposable organic matter decomposer, and ozone is generated from an ultraviolet lamp. A method for removing hard-to-decompose organic matter, comprising decomposing hard-to-decompose organic matter in suspended matter-removed water by irradiating rays and extracting the water as ultraviolet-treated water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10270404A JP2000093953A (en) | 1998-09-25 | 1998-09-25 | Apparatus for decomposing hardly decomposable organic substance and method for removing using the same hardly decomposable organic substance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10270404A JP2000093953A (en) | 1998-09-25 | 1998-09-25 | Apparatus for decomposing hardly decomposable organic substance and method for removing using the same hardly decomposable organic substance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000093953A true JP2000093953A (en) | 2000-04-04 |
Family
ID=17485801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10270404A Pending JP2000093953A (en) | 1998-09-25 | 1998-09-25 | Apparatus for decomposing hardly decomposable organic substance and method for removing using the same hardly decomposable organic substance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000093953A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002011485A (en) * | 2000-04-26 | 2002-01-15 | Sumitomo Precision Prod Co Ltd | Device and method for treating water |
| JP2006158986A (en) * | 2004-12-02 | 2006-06-22 | Hideki Yamamoto | Water treatment method and device using ultraviolet light with ozone |
| KR100852757B1 (en) * | 2007-03-28 | 2008-08-18 | 한국과학기술연구원 | Ultraviolet disinfection system for waste-water |
| JP2012187443A (en) * | 2011-03-08 | 2012-10-04 | Kotobuki Kakoki Kk | Water treatment apparatus |
-
1998
- 1998-09-25 JP JP10270404A patent/JP2000093953A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002011485A (en) * | 2000-04-26 | 2002-01-15 | Sumitomo Precision Prod Co Ltd | Device and method for treating water |
| JP2006158986A (en) * | 2004-12-02 | 2006-06-22 | Hideki Yamamoto | Water treatment method and device using ultraviolet light with ozone |
| KR100852757B1 (en) * | 2007-03-28 | 2008-08-18 | 한국과학기술연구원 | Ultraviolet disinfection system for waste-water |
| JP2012187443A (en) * | 2011-03-08 | 2012-10-04 | Kotobuki Kakoki Kk | Water treatment apparatus |
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