JPH05192652A - Water purifier fitted with regenerating means - Google Patents
Water purifier fitted with regenerating meansInfo
- Publication number
- JPH05192652A JPH05192652A JP952692A JP952692A JPH05192652A JP H05192652 A JPH05192652 A JP H05192652A JP 952692 A JP952692 A JP 952692A JP 952692 A JP952692 A JP 952692A JP H05192652 A JPH05192652 A JP H05192652A
- Authority
- JP
- Japan
- Prior art keywords
- activated carbon
- water
- anode
- cathode
- anode chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、活性炭の浄化機能を
利用して水の浄化を行うとともに活性炭の再生する手段
を備えた再生手段付きの浄水器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water purifier equipped with a regenerating means for purifying water by utilizing the purifying function of activated carbon and for regenerating the activated carbon.
【０００２】[0002]
【従来の技術】近年、湖沼、貯水池などの富栄養化、汚
濁など水質環境の悪化が問題となっており、これを原水
とする上水道も悪化している。例えば、植物プランクト
ンにより生成されるカビ臭物質（ジオスミン、２−メチ
ルイソボルネオール）、発癌物質であるトリハロメタン
や農薬等が有害有機物質として非常に問題視されてい
る。2. Description of the Related Art In recent years, deterioration of water quality environment such as eutrophication of lakes and reservoirs and pollution has become a problem, and water supply using this as raw water has also deteriorated. For example, musty odor substances (diosmin, 2-methylisoborneol) produced by phytoplankton, trihalomethanes which are carcinogens, pesticides, etc. are regarded as very harmful organic substances.
【０００３】このような有害有機物質を取り除き、おい
しい水を得るため、従来より活性炭を使用した浄水器が
用いられている。浄水器は蛇口に取り付け通水するだけ
で簡単に有害有機物質を除去することができる。しかし
ながら、従来の浄水器は寿命が短く、１〜２ケ月で活性
炭を交換しなければならないので不便であるし、ランニ
ングコストも高い。In order to remove such harmful organic substances and obtain delicious water, water purifiers using activated carbon have been conventionally used. The water purifier can be easily attached to the faucet to remove harmful organic substances. However, the conventional water purifier has a short life, and it is inconvenient because the activated carbon must be replaced within 1-2 months, and the running cost is high.
【０００４】一方、吸着能の落ちた活性炭を再生し、活
性炭を有効利用する技術が知られており、これを適用す
ることが考えられる。最もよく行われているのが加熱再
生法である。８００〜１０００℃の温度で再生を行うの
が良いのであるが、コスト面や活性炭の消耗を伴うこと
から、低温熱処理法が提案されている（特開昭63-31514
6 号公報) 。しかしながら、浄水器の場合、低温熱処理
であっても加熱のための炉が必要であり、一々、浄水器
から活性炭を取り出し炉に入れて再生しなければなら
ず、手間がかかり過ぎて実用性は低い。[0004] On the other hand, there is known a technique of reusing activated carbon having a reduced adsorption capacity to effectively utilize the activated carbon, and it is considered that this technique is applied. The most popular method is the heat regeneration method. It is preferable to perform regeneration at a temperature of 800 to 1000 ° C., but a low temperature heat treatment method has been proposed because of cost and exhaustion of activated carbon (JP-A-63-31514).
(Gazette No. 6). However, in the case of a water purifier, even if it is a low temperature heat treatment, a furnace for heating is necessary, and it is necessary to take out the activated carbon from the water purifier and put it in the furnace to regenerate it one by one, which is too time-consuming and practical. Low.
【０００５】活性炭中に一対の電極を挿入して通電に伴
う電解作用で活性炭を再生する方法も提案されている
（特開昭58-159888 号公報、特開昭55-34110号公報、特
開昭56-124488 号公報）。しかしながら、これらの方法
も、過酸化水素を添加したり、食塩などの電解質を添加
したり、適切な再生効果が期待し難かったりなどのため
浄水器に適した方法ではない。A method has also been proposed in which a pair of electrodes is inserted into activated carbon to regenerate the activated carbon by an electrolytic action associated with energization (JP-A-58-159888 and JP-A-55-34110). 56-124488 publication). However, these methods are not suitable for water purifiers because hydrogen peroxide is added, electrolytes such as salt are added, and it is difficult to expect an appropriate regeneration effect.
【０００６】[0006]
【発明が解決しようとする課題】この発明は、上記事情
に鑑み、十分な活性炭の再生が簡単に行える浄水器を提
供することを課題とする。SUMMARY OF THE INVENTION In view of the above circumstances, an object of the present invention is to provide a water purifier in which sufficient activated carbon can be easily regenerated.
【０００７】[0007]
【課題を解決するための手段】前記課題を解決するた
め、この発明の再生手段付き浄水器では、水の入口と出
口を備えるとともに内部で陽極が設けられた陽極室と陰
極が設けられた陰極室とが電解隔膜を間にして隣接して
おり、前記陽極室には活性炭が充填されていて、前記入
口を通って前記陽極室に導入された水が前記活性炭の充
填部を通る間に浄化されて前記出口より出るようになっ
ているとともに、前記活性炭を流動させる活性炭流動手
段を備えていて、この流動手段により前記活性炭を流動
させながら前記陽極と陰極間の通電に伴う電解作用で活
性炭の再生が行えるようになっている。In order to solve the above-mentioned problems, in a water purifier with regeneration means of the present invention, an anode chamber provided with an inlet and an outlet for water and an anode chamber internally provided with an anode and a cathode provided with a cathode are provided. Is adjacent to the chamber with an electrolytic diaphragm in between, the anode chamber is filled with activated carbon, and water introduced into the anode chamber through the inlet is purified while passing through the activated carbon filling portion. The activated carbon flowing means for flowing the activated carbon is provided, and the activated carbon is electrolyzed by the electrolysis between the anode and the cathode while flowing the activated carbon by the flowing means. It can be played back.
【０００８】この発明の浄水器で使われる活性炭は従来
の浄水器で使用されているものと同じものが使える。た
だ、陽極室の容積の一部（４０〜８０％程度）を活性炭
が占めるだけで活性炭が再生の際に容易に流動できる余
地のあるようにしておく。陽極や陰極の材料としては、
特定の材料に限定されないが、水を電解して水素ガスや
酸素ガスを発生し難く、電解によって水へ溶出しない組
み合わせが好ましい。例えば、陽極としては、酸素過電
圧が大きいものがよく、Ｐｔ、炭素、ガラス状カーボ
ン、陰極としてはガラス状カーボン、ステンレス鋼、ニ
ッケル鋼が用いられる。The activated carbon used in the water purifier of the present invention can be the same as that used in conventional water purifiers. However, the activated carbon occupies a part (about 40 to 80%) of the volume of the anode chamber so that the activated carbon has a room to easily flow during regeneration. As materials for the anode and cathode,
Although not limited to a particular material, a combination is preferred in which it is difficult to generate hydrogen gas or oxygen gas by electrolyzing water and it is not eluted into water by electrolysis. For example, the anode preferably has a large oxygen overvoltage, and Pt, carbon, and glassy carbon are used, and the cathode is glassy carbon, stainless steel, and nickel steel.
【０００９】また、電解隔膜の素材としては、特定の素
材に限定されないが、素焼きで作られた磁製隔膜、グラ
スフィルター、イオン交換樹脂膜などの固体電解質が挙
げられる。また、普通、この電解隔膜を間にして陽極と
陰極が対面するように配置する。そして、活性炭流動手
段としては、具体的には以下のようなものが例示され
る。ひとつは、活性炭流動手段が陽極室に両端が接続さ
れた水管とこの水管に介設されたポンプで構成されてお
り、このポンプで陽極室の水を水管の一端から出して他
端から陽極室に戻す経路で循環させることにより活性炭
を流動させる方式であり、もうひとくつは、活性炭流動
手段が陽極室に一端が接続された送気管と同送気管に空
気を送り込むエアーポンプで構成されており、このエア
ーポンプで送気管から陽極室の水中に気体を送り込んで
バブリングすることにより活性炭を流動させる方式であ
る。The material of the electrolytic diaphragm is not limited to a particular material, but may be a solid electrolyte such as a porcelain diaphragm made of unglazed glass, a glass filter or an ion exchange resin film. Further, usually, the electrolytic diaphragm is disposed so that the anode and the cathode face each other. Then, as the activated carbon flowing means, the followings are specifically exemplified. One is that the activated carbon flow means is composed of a water pipe whose both ends are connected to the anode chamber and a pump interposed in the water pipe.The pump discharges the water in the anode chamber from one end of the water pipe and the other end of the anode chamber. It is a method of circulating activated carbon by circulating it in the route returning to the above.The other is that activated carbon flowing means is composed of an air feed pipe whose one end is connected to the anode chamber and an air pump that feeds air to the air feed pipe. With this air pump, gas is sent from the air supply tube into the water in the anode chamber and bubbled to cause activated carbon to flow.
【００１０】また、この発明の浄水器では陽極と陰極間
の通電のための電源手段を内蔵していることが好ましい
が、再生の時だげ駆動用電源が接続されるようであって
もよい。陽極と陰極間の通電条件は、特に限定されない
が、１００Ｖ以下の電圧、１０-4〜１０3 Ａ／ｍ2 の範
囲の電流密度で行うことが好ましい。この発明の浄水器
の浄化対象となる水としては、上水道水の他、井戸水な
ども挙げられる。Further, the water purifier of the present invention preferably has a built-in power source means for energizing between the anode and the cathode, but may be connected to a power source for driving the sludge during regeneration. .. The conditions of energization between the anode and the cathode are not particularly limited, but it is preferable to carry out at a voltage of 100 V or less and a current density in the range of 10 −4 to 10 3 A / m 2 . Examples of water to be purified by the water purifier of the present invention include well water and tap water.
【００１１】[0011]
【作用】この発明の浄水器は、通常の浄化運転において
は、入口から陽極室に導入された水が活性炭の充填部を
通る間に浄化されて出口より出てゆくだけである。陽極
と陰極間の通電は停止しておく。この発明の浄水器は、
活性炭の再生運転においては、陽極室および陰極室内に
は水が導入されており、陽極と陰極間の通電が実行され
る。通電に伴い陽極と陰極では下記の反応による酸素と
水素が発生する。In the normal purifying operation, the water purifier of the present invention is such that the water introduced from the inlet to the anode chamber is purified while passing through the activated carbon filling portion and then flows out from the outlet. Stop energization between the anode and cathode. The water purifier of this invention is
In the regenerating operation of activated carbon, water is introduced into the anode chamber and the cathode chamber, and electricity is supplied between the anode and the cathode. Oxygen and hydrogen are generated in the anode and the cathode by the following reactions with the energization.
【００１２】 陽極反応 ２Ｈ2 Ｏ→４Ｈ+ ＋Ｏ2 ＋４ｅ 陰極反応 ４Ｈ+ ＋４ｅ→２Ｈ2 Ｏ しかし、電極表面では、上記反応以外に多くの素反応が
起こっており、色々な活性化学種が生成される。具体的
には、例えば、陽極表面ではＨ+ 、Ｏ2 、Ｏ3 、Ｈ2 Ｏ
2 、ＯＨラジカルなどが発生し、陰極表面ではＯＨ- 、
Ｈ2 、ＨＯ2 - などが発生し、スーパーオキシドアニオ
ンが両極で発生する。これらの活性化学種は有害有機物
質に対する酸化分解能力が高い。そして、この発明の浄
水器では陽極と陰極が電解隔膜で隔てられて分離されて
おり、発生した化学活性種が比較的消滅し難くなってい
る。Anode reaction 2H 2 O → 4H + + O 2 + 4e Cathode reaction 4H + + 4e → 2H 2 O However, many elementary reactions other than the above reactions occur on the electrode surface, and various active chemical species are generated. It Specifically, for example, H + , O 2 , O 3 , and H 2 O are formed on the surface of the anode.
2, such as OH radicals are generated, at the cathode surface is OH -,
H 2 and HO 2 − are generated, and superoxide anions are generated at both electrodes. These active chemical species have high oxidative decomposition ability to harmful organic substances. In the water purifier of the present invention, the anode and the cathode are separated by the electrolytic diaphragm, and the generated chemically active species are relatively hard to disappear.
【００１３】このように多量に発生する消滅し難い活性
化学種により活性炭に吸着された有害有機物は迅速に酸
化分解され残留塩素により変化した活性炭表面の化学的
構造が元に復し活性炭再生が速やかに進行する。食塩等
の化学物質の添加を必要とせず、通電だけで速やかに活
性炭を十分に再生させられるのである。この発明では、
活性炭が流動しているため再生が促進される。なぜな
ら、陽極から遠い位置にあった活性炭も流動している間
に陽極に近ずき活性化学種と容易に接触するようになる
からである。活性炭が静置したままで流動化しなければ
陽極から遠い位置にあった活性炭は化学活性種となかな
か接触することができず、再生が円滑に進行しないので
ある。活性炭を流動化させ再生する場合は、活性炭を静
置したまま再生する場合に比べ処理時間を１／３〜１／
２程度に短縮することも可能である。As described above, the harmful organic substances adsorbed on the activated carbon by the active chemical species that are generated in a large amount and are hard to disappear are rapidly oxidized and decomposed, and the chemical structure on the surface of the activated carbon changed by the residual chlorine is restored to its original state, and the activated carbon is rapidly regenerated. Proceed to. It is not necessary to add chemical substances such as salt, and the activated carbon can be promptly and sufficiently regenerated only by applying electricity. In this invention,
Regeneration is promoted because the activated carbon is flowing. This is because the activated carbon located far from the anode comes close to the anode and easily comes into contact with the activated chemical species while flowing. If the activated carbon remains stationary and does not fluidize, the activated carbon located at a position far from the anode cannot easily come into contact with the chemically activated species, and the regeneration does not proceed smoothly. When the activated carbon is fluidized and regenerated, the treatment time is 1/3 to 1 / compared with the case where the activated carbon is regenerated while being left stationary.
It can be shortened to about 2.
【００１４】[0014]
【実施例】以下、この発明の実施例を説明する。この発
明は下記の実施例に限らないことは言うまでもない。 −実施例１− 図１は実施例１の再生手段付き浄水器の要部構成をあら
わす。Embodiments of the present invention will be described below. Needless to say, the present invention is not limited to the following embodiments. -Example 1- FIG. 1 shows a main part configuration of a water purifier with a regenerating unit of Example 1.
【００１５】浄水器１は、再生運転時には電解槽となる
直方体状の容器（容量５００ｃｃ）２を備えている。こ
の容器２は水の入口４と出口５が設けられているととも
に、内部では陽極室７と陰極室８が平板状の素焼き製電
解隔膜９を間にして隣接している。陽極室７には陽極１
１が、陰極室８には陰極１２がそれぞれ設けられてい
る。陽極１１と陰極１２には通電のための直流電源２０
が接続されている。陽極１１と陰極１２の間に電解隔膜
９を通して電解電流を流せるようになっている。The water purifier 1 is provided with a rectangular parallelepiped-shaped container (capacity 500 cc) 2 which serves as an electrolytic cell during a regeneration operation. The container 2 is provided with a water inlet 4 and a water outlet 5, and inside the container, an anode chamber 7 and a cathode chamber 8 are adjacent to each other with a plate-shaped unglazed electrolytic diaphragm 9 interposed therebetween. Anode 1 in the anode chamber 7
1 and a cathode 12 is provided in the cathode chamber 8. A DC power source 20 for energizing the anode 11 and the cathode 12
Are connected. An electrolytic current can be passed through the electrolytic diaphragm 9 between the anode 11 and the cathode 12.
【００１６】水の入口４と出口５は陽極室７に通じてい
る。陽極室７は、浄化運転時の水の通路になっており、
活性炭充填部１５が設けられている。１５０ｇの量の市
販の粒状活性炭が陽極室７の容積の約７０％を占拠して
いるのである。活性炭充填部１５の側面は陽極１１に接
触している。なお、普通、陰極室８にも水の入口（図示
省略）と出口（図示省略）があって活性炭再生の際に水
を陰極室８内に導入して電解が起こせるようになってい
る。The water inlet 4 and the water outlet 5 communicate with the anode chamber 7. The anode chamber 7 serves as a water passage during the cleaning operation,
An activated carbon filling section 15 is provided. A quantity of 150 g of commercially available granular activated carbon occupies about 70% of the volume of the anode chamber 7. The side surface of the activated carbon filling portion 15 is in contact with the anode 11. Normally, the cathode chamber 8 also has a water inlet (not shown) and a water outlet (not shown) so that water can be introduced into the cathode chamber 8 for electrolysis when the activated carbon is regenerated.
【００１７】実施例１の場合、陽極１１は多孔性のガラ
ス状カーボンであり、陽極室７内の水が通過でき、電解
隔膜９を通じて陰極室８に連通できるようになってい
る。一方、陰極１２はステンレス板が用いられており、
電解隔膜９に対して１〜３ｍｍの間隔で設置されてい
る。そして、浄水器１には、陽極室７の底に一端２１ａ
が接続され他端２１ｂが陽極室７の天井に接続された水
管（配管）２１が設けられているとともに、水管２１の
途中に（送液）ポンプ２２が設置されており、このポン
プ２２の作動により陽極室７の水が水管の一端２１ａか
ら出て他端２１ｂから陽極室７に戻るよう循環させられ
るようになっている。水の循環に伴い活性炭の流動が起
こることは前述の通りである。なお、２５，２６，２
７，２８，２９は電磁弁である。In the case of Example 1, the anode 11 is made of porous glassy carbon, and water in the anode chamber 7 can pass therethrough, and can communicate with the cathode chamber 8 through the electrolytic diaphragm 9. On the other hand, a stainless plate is used for the cathode 12,
It is installed at an interval of 1 to 3 mm with respect to the electrolytic diaphragm 9. In the water purifier 1, one end 21a is provided on the bottom of the anode chamber 7.
Is connected and the other end 21b is connected to the ceiling of the anode chamber 7, a water pipe (pipe) 21 is provided, and a (liquid delivery) pump 22 is installed in the middle of the water pipe 21. Thus, the water in the anode chamber 7 is circulated so as to come out from one end 21a of the water pipe and return to the anode chamber 7 from the other end 21b. As described above, the flow of activated carbon occurs as the water circulates. 25, 26, 2
Reference numerals 7, 28 and 29 are solenoid valves.
【００１８】浄化運転時は、電磁弁２５，２６が開か
れ、電磁弁２７〜２９は閉じられ、水管１５からの水道
水は、入口４−陽極室７−活性炭充填部１５−出口５と
いう経路で流れ、活性炭充填部１５を通る間に残留塩素
の分解およびトリハロメタン、カビ臭、有機物等の吸着
がなされ浄化された上で出口５から出てゆく。勿論、浄
化運転時は、陽極１１と陰極１２間の通電は行わない。During the purifying operation, the solenoid valves 25 and 26 are opened, the solenoid valves 27 to 29 are closed, and tap water from the water pipe 15 is routed through the inlet 4-anode chamber 7-activated carbon filling portion 15-outlet 5. The residual chlorine is decomposed and trihalomethane, musty odor, organic substances and the like are adsorbed and purified while passing through the activated carbon filling section 15, and is then discharged from the outlet 5. Of course, during the purification operation, electricity is not passed between the anode 11 and the cathode 12.
【００１９】例えば、１０００リットル通水後、浄水器
として使用しない間に活性炭の再生を行う。再生運転時
は、電磁弁２５，２６，２９が閉じられ、電磁弁２７，
２８は開かれ、ポンプ２２の作動により、水が、陽極室
７−水管の一端２１ａ−水管２１−水管の他端２１ｂ−
陽極室７という経路で循環し、これに伴い活性炭の流動
が起こる。勿論、直流電源２０により陽極１１と陰極１
２間の通電が同時になされていることは言うまでもな
い。通電条件は、例えば、５０Ｖ、１００ｍＡである。
再生が終われば電磁弁２９を開いて再生処理水を排水し
てから、電磁弁２５，２６を開き、電磁弁２７〜２９を
閉じれば、再び、浄化運転にかかれる。For example, after passing 1000 liters of water, the activated carbon is regenerated before it is used as a water purifier. During the regeneration operation, the solenoid valves 25, 26, 29 are closed and the solenoid valves 27, 26, 29
28 is opened, and by the operation of the pump 22, water is supplied to the anode chamber 7-one end 21a of the water pipe-water pipe 21-the other end 21b of the water pipe-
It circulates in the path of the anode chamber 7, and along with this, the flow of activated carbon occurs. Of course, the DC power source 20 is used to control the anode 11 and the cathode 1.
It goes without saying that the two are energized at the same time. The energization conditions are, for example, 50 V and 100 mA.
When the regeneration is finished, the electromagnetic valve 29 is opened to drain the reclaimed treated water, and then the electromagnetic valves 25 and 26 are opened, and the electromagnetic valves 27 to 29 are closed, so that the purification operation is started again.
【００２０】−実施例２− 図２は実施例２の再生手段付き浄水器の要部構成をあら
わす。浄水器３１において、図１の浄水器１と同じ番号
を付けたものは、同一の部品をあらわしており、浄水器
３１は活性炭流動手段が以下の構成である他は、浄水器
１と同じ構成であるため、重複する部分の説明は省略す
る。-Embodiment 2- Fig. 2 shows the essential structure of a water purifier with a regenerating means according to Embodiment 2. In the water purifier 31, those with the same numbers as the water purifier 1 in FIG. 1 represent the same parts, and the water purifier 31 has the same configuration as the water purifier 1 except that the activated carbon flowing means has the following configuration. Therefore, the description of the overlapping portions will be omitted.
【００２１】すなわち、陽極室７に一端３２ａが接続さ
れた送気管３２が設けられており、エアーポンプ３３で
送気管３２から陽極室７の水中に空気を送り込んでバブ
リングする（エアーレーションする）ことにより活性炭
を流動させるのである。なお、４１，４２は電磁弁であ
る。浄化運転時は、電磁弁２５，２６を開き、電磁弁４
１，４２を閉じておく他は実施例１と全く同じである。That is, an air supply pipe 32 having one end 32a connected to the anode chamber 7 is provided, and air is sent from the air supply pipe 32 into the water in the anode chamber 7 by an air pump 33 to effect bubbling (aeration). The activated carbon is fluidized by. In addition, 41 and 42 are solenoid valves. At the time of cleaning operation, the solenoid valves 25 and 26 are opened and the solenoid valve 4
The procedure is exactly the same as that of the first embodiment except that 1, 42 are closed.
【００２２】再生運転時は、電磁弁２５，２６，４２が
閉じられ、電磁弁４１は開かれ、エアーポンプ３３の作
動により、送気管３２より空気が陽極室７の水中に吹き
込まれバブリング状態となる。これに伴い活性炭の流動
が起こるのである。勿論、直流電源２０により陽極１１
と陰極１２間の通電が同時になされていることは言うま
でもない。通電条件は、例えば、５０Ｖ、１００ｍＡと
する。再生が終われば電磁弁４２を開いて再生処理水を
排水してから、電磁弁２５，２６を開き、電磁弁４１，
４２を閉じれば、再び、浄化運転にかかれる。During the regenerating operation, the solenoid valves 25, 26, 42 are closed, the solenoid valve 41 is opened, and the air pump 33 is actuated so that air is blown into the water in the anode chamber 7 from the air supply pipe 32, resulting in a bubbling state. Become. Along with this, the flow of activated carbon occurs. Of course, the DC power source 20 causes the anode 11
It is needless to say that electricity is supplied between the cathode 12 and the cathode 12 at the same time. The energization conditions are, for example, 50 V and 100 mA. When the regeneration is completed, the solenoid valve 42 is opened to drain the reclaimed water, and then the solenoid valves 25, 26 are opened to open the solenoid valves 41,
When 42 is closed, the cleaning operation starts again.
【００２３】実施例１，２の浄水器１，３１で通電条件
（５０Ｖ，１００ｍＡ）はそのままで再生処理時間を変
えて再生した活性炭それぞれの再生度を以下のようにし
て評価した。再生した活性炭を取り出し、比表面積を測
定するとともに２メチルイソボルネオール１０００ｐｐ
ｔ含む水１００ｃｃに活性炭２ｇを入れ、１０分後の臭
気強度を測定した。比較のために、再生前の活性炭、活
性炭の流動化を伴わない（静置状態での）再生を行った
活性炭、および、新品の活性炭についても同様の評価を
行った。なお、臭気強度の測定は下記の６段階臭気強度
法に基づく官能評価によった。The regeneration degree of each activated carbon regenerated by changing the regeneration treatment time in the water purifiers 1 and 31 of Examples 1 and 31 with the energization conditions (50 V, 100 mA) unchanged was evaluated as follows. Take out the regenerated activated carbon, measure the specific surface area, and measure 2 methyl isoborneol 1000pp.
2 g of activated carbon was added to 100 cc of water containing t, and the odor intensity after 10 minutes was measured. For comparison, the same evaluation was performed on activated carbon before regeneration, activated carbon that was regenerated without fluidization of activated carbon (in a stationary state), and new activated carbon. The odor intensity was measured by sensory evaluation based on the following 6-stage odor intensity method.
【００２４】−６段階臭気強度表示− 強度：０・・・・感じない 強度：１・・・・かすかに感じる 強度：２・・・・やや強く感じる 強度：３・・・・強く感じる 強度：４・・・・非常に強く感じる 強度：５・・・・極端につよく感じる −測定結果− 比表面積（ｍ2 ／ｇ） 官能検査評価 実施例１（循環再生処理１時間） １４５０ １．０ 実施例１（循環再生処理２時間） １５２０ ０．６ 実施例２（バブル再生処理１時間） １４００ １．２ 実施例２（バブル再生処理２時間） １５１０ ０．７ 比較例１（静置再生処理１時間） １３００ １．８ 比較例２（未再生） １１００ ３．６ 比較例３（新品） １５５０ ０．４ 上の測定結果から、この発明の浄水器では、活性炭の再
生に際し通電と同時に活性炭を流動化させるため、活性
炭が十分に再生されていることが分かる。-6 levels of odor intensity display-Intensity: 0 ... not felt Intensity: 1 ... Feeling intensity: 2 ... Feeling stronger Intensity: 3 ... Feeling stronger: 4 ・ ・ ・ ・ Very strongly felt Strength: 5 ・ ・ ・ ・ Extremely strong feeling-Measurement results-Specific surface area (m 2 / g) Sensory test evaluation Example 1 (circulation regeneration treatment 1 hour) 1450 1.0 Implementation Example 1 (circulation regeneration treatment 2 hours) 1520 0.6 Example 2 (bubble regeneration treatment 1 hour) 1400 1.2 Example 2 (bubble regeneration treatment 2 hours) 1510 0.7 Comparative Example 1 (stationary regeneration treatment 1 1300 1.8 Comparative example 2 (unregenerated) 1100 3.6 Comparative example 3 (new) 1550 0.4 From the above measurement results, in the water purifier of the present invention, when the activated carbon is regenerated, the activated carbon flows at the same time as energization. Activated carbon You can see that it is being played in minutes.
【００２５】[0025]
【発明の効果】この発明の浄水器は、活性炭の再生にあ
たり、通電と活性炭の流動化を併用しており、通電によ
って生じる再生作用の強い化学活性種に活性炭が流動化
により効率よく接触するため、活性炭は十分に再生さ
れ、しかも、食塩等の化学物質の添加や高温・高圧を必
要としないため、活性炭の再生は簡単であり、メンテナ
ンスも楽で非常に実用性が高い。In the water purifier of the present invention, when the activated carbon is regenerated, the energization and the fluidization of the activated carbon are used together, so that the activated carbon efficiently contacts with the chemically activated species having a strong regeneration action caused by the energization by the fluidization. Since the activated carbon is sufficiently regenerated and does not require addition of chemical substances such as salt, high temperature and high pressure, regeneration of the activated carbon is easy, maintenance is easy and it is very practical.
【図１】実施例１の再生手段付き浄水器の要部構成をあ
らわす説明図である。FIG. 1 is an explanatory diagram showing a main part configuration of a water purifier with a regenerating unit according to a first embodiment.
【図２】実施例２の再生手段付き浄水器の要部構成をあ
らわす説明図である。FIG. 2 is an explanatory diagram showing a main part configuration of a water purifier with a regenerating unit according to a second embodiment.
１ 浄水器 ４ 水の入口 ５ 水の出口 ７ 陽極室 ８ 陰極室 ９ 電解隔膜 １１ 陽極 １２ 陰極 １５ 活性炭充填部 ２０ 定電流電源 ２１ 水管 ２２ ポンプ ３２ 送気管 ３３ エアーポンプ 1 Water Purifier 4 Water Inlet 5 Water Outlet 7 Anode Chamber 8 Cathode Chamber 9 Electrolyte Membrane 11 Anode 12 Cathode 15 Activated Carbon Filling Section 20 Constant Current Power Supply 21 Water Pipe 22 Pump 32 Air Supply Pipe 33 Air Pump
─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成４年４月４日[Submission date] April 4, 1992
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００１２[Correction target item name] 0012
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【００１２】 陽極反応 ２Ｈ２Ｏ→４Ｈ＋Ｏ２＋４ｅ 陰極反応 ４Ｈ＋４ｅ→２Ｈ２Ｏ しかし、電極表面では、上記反応以外に多くの素反応が
起こっており、色々な活性化学種が生成される。具体的
には、例えば、陽極表面ではＨ＋、Ｏ２、Ｏ３、Ｈ２Ｏ
２、ＯＨラジカルなどが発生し、陰極表面ではＯＨ−、
Ｈ２、ＨＯ２ −などが発生する。これらの活性化学種は
有害有機物質に対する酸化分解能力が高い。そして、こ
の発明の浄水器では陽極と陰極が電解隔膜で隔てられて
分離されており、発生した化学活性種が比較的消滅し難
くなっている。Anodic reaction 2H 2 O → 4H + O 2 + 4e Cathodic reaction 4H + 4e → 2H 2 O However, many elementary reactions other than the above reactions occur on the electrode surface, and various active chemical species are generated. It Specifically, for example, H + , O 2 , O 3 , and H 2 O are formed on the surface of the anode.
2 , OH radicals are generated and OH − ,
H 2, HO 2 - such as is that eggplant issued. These active chemical species have high oxidative decomposition ability to harmful organic substances. In the water purifier of the present invention, the anode and the cathode are separated by the electrolytic diaphragm, and the generated chemically active species are relatively hard to disappear.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 狩集 慶文 大阪府門真市大字門真1048番地松下電工株 式会社内 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Keishu Keibun 1048, Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works Co., Ltd.
Claims (4)
陽極が設けられた陽極室と陰極が設けられた陰極室とが
電解隔膜を間にして隣接しており、前記陽極室には活性
炭が充填されていて、前記入口を通って前記陽極室に導
入された水が前記活性炭の充填部を通る間に浄化されて
前記出口より出るようになっているとともに、前記活性
炭を流動させる活性炭流動手段を備えていて、この流動
手段により前記活性炭を流動させながら前記陽極と陰極
間の通電に伴う電解作用で活性炭の再生が行えるように
なっていることを特徴とする再生手段付き浄水器。1. An anode chamber provided with an inlet and an outlet for water and internally provided with an anode and a cathode chamber provided with a cathode are adjacent to each other with an electrolytic diaphragm in between, and activated carbon is contained in the anode chamber. Water that has been filled and that has been introduced into the anode chamber through the inlet is purified while flowing through the filled portion of the activated carbon and flows out through the outlet, and activated carbon flow means for flowing the activated carbon. A water purifier with regeneration means, characterized in that the activated carbon can be regenerated by an electrolytic action accompanying the energization between the anode and the cathode while flowing the activated carbon by the flow means.
ている請求項１記載の再生手段付き浄水器。2. The water purifier with regeneration means according to claim 1, wherein the anode and the cathode face each other with an electrolytic diaphragm interposed therebetween.
れた水管とこの水管に介設されたポンプで構成されてお
り、このポンプで陽極室の水を水管の一端から出して他
端から陽極室に戻す経路で循環させることにより活性炭
を流動させる請求項１または２記載の再生手段付き浄水
器。3. The activated carbon flow means is composed of a water pipe whose both ends are connected to the anode chamber and a pump interposed in the water pipe. With this pump, water in the anode chamber is discharged from one end of the water pipe and the other end thereof is discharged. The water purifier with regeneration means according to claim 1 or 2, wherein the activated carbon is caused to flow by being circulated in a path returning to the anode chamber.
れた送気管と同送気管に空気を送り込むエアーポンプで
構成されており、このエアーポンプで送気管から陽極室
の水中に気体を送り込んでバブリングすることにより活
性炭を流動させる請求項１または２記載の再生手段付き
浄水器。4. The activated carbon flow means comprises an air feed pipe having one end connected to the anode chamber and an air pump for feeding air to the air feed pipe. The air pump feeds gas from the air feed pipe into the water in the anode chamber. The water purifier with regeneration means according to claim 1 or 2, wherein activated carbon is caused to flow by bubbling with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP952692A JPH05192652A (en) | 1992-01-22 | 1992-01-22 | Water purifier fitted with regenerating means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP952692A JPH05192652A (en) | 1992-01-22 | 1992-01-22 | Water purifier fitted with regenerating means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05192652A true JPH05192652A (en) | 1993-08-03 |
Family
ID=11722715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP952692A Pending JPH05192652A (en) | 1992-01-22 | 1992-01-22 | Water purifier fitted with regenerating means |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05192652A (en) |
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|---|---|---|---|---|
| CN100334006C (en) * | 2004-12-22 | 2007-08-29 | 浙江大学 | Three-phase activated carbon fluidized bed electrochemical treatment installation and method for organic wastewater |
| JP2009535191A (en) * | 2006-04-28 | 2009-10-01 | アーヴィア テクノロジー リミテッド | Absorbent electrochemical regenerator |
| GB2471320A (en) * | 2009-06-25 | 2010-12-29 | Arvia Technology Ltd | Removing oil contaminants from aqueous liquids |
| WO2011058298A1 (en) * | 2009-11-05 | 2011-05-19 | Arvia Technology Limited | Adsorption of contaminants from liquid and electrochemichal regeneration of adsorbent |
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-
1992
- 1992-01-22 JP JP952692A patent/JPH05192652A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100334006C (en) * | 2004-12-22 | 2007-08-29 | 浙江大学 | Three-phase activated carbon fluidized bed electrochemical treatment installation and method for organic wastewater |
| JP2009535191A (en) * | 2006-04-28 | 2009-10-01 | アーヴィア テクノロジー リミテッド | Absorbent electrochemical regenerator |
| EP2029489B1 (en) * | 2006-04-28 | 2012-01-25 | Arvia Technology Limited | Apparatus for the electrochemical regeneration of absorbents |
| GB2471320B (en) * | 2009-06-25 | 2012-11-14 | Arvia Technology Ltd | Treatment of liquid with oily contaminants |
| GB2471320A (en) * | 2009-06-25 | 2010-12-29 | Arvia Technology Ltd | Removing oil contaminants from aqueous liquids |
| WO2011058298A1 (en) * | 2009-11-05 | 2011-05-19 | Arvia Technology Limited | Adsorption of contaminants from liquid and electrochemichal regeneration of adsorbent |
| CN102712509A (en) * | 2009-11-05 | 2012-10-03 | 阿维亚科技有限公司 | Adsorption of contaminants from liquid and electrochemichal regeneration of adsorbent |
| GB2475168B (en) * | 2009-11-05 | 2013-01-09 | Arvia Technology Ltd | Method for the treatment of liquids using regeneratable adsorbent material |
| CN105664525A (en) * | 2009-11-05 | 2016-06-15 | 阿维亚科技有限公司 | Adsorption of contaminants from liquid and electrochemichal regeneration of adsorbent |
| CN105664525B (en) * | 2009-11-05 | 2018-11-09 | 阿维亚科技有限公司 | The electrochemical regeneration of pollutant and adsorbent is adsorbed from liquid |
| WO2014013224A1 (en) * | 2012-07-17 | 2014-01-23 | Arvia Technology Limited | Apparatus and method for aqueous organic waste treatment |
| CN104781195A (en) * | 2012-07-17 | 2015-07-15 | 阿维亚科技有限公司 | Apparatus and method for aqueous organic waste treatment |
| JP2015530227A (en) * | 2012-07-17 | 2015-10-15 | アーヴィア テクノロジー リミテッドＡｒｖｉａ Ｔｅｃｈｎｏｌｏｇｙ Ｌｉｍｉｔｅｄ | Apparatus and method for treatment of aqueous organic waste |
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