JP2623052B2 - Coagulation separation device - Google Patents
Coagulation separation deviceInfo
- Publication number
- JP2623052B2 JP2623052B2 JP4211850A JP21185092A JP2623052B2 JP 2623052 B2 JP2623052 B2 JP 2623052B2 JP 4211850 A JP4211850 A JP 4211850A JP 21185092 A JP21185092 A JP 21185092A JP 2623052 B2 JP2623052 B2 JP 2623052B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- frequency
- voltage
- current
- treated
- 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.)
- Expired - Fee Related
Links
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Electrostatic Separation (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、工業廃液等に含まれる
微小な固形物粒子や油分粒子等を凝集させて分離する凝
集分離装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an aggregating / separating apparatus for aggregating and separating fine solid particles and oil particles contained in industrial waste liquid and the like.
【０００２】[0002]
【従来の技術】例えば、工業製品の塗装時における洗浄
工程から排出される洗浄廃液中には、非常に微小な固形
物粒子が混入している。この種の廃液から固形物粒子を
分離するために、従来では、一般に、硫酸アルミニウ
ム、硫酸鉄等の凝集剤や中和剤等を廃液中に投入し、液
中の粒子を凝集・沈殿させ、それらを廃液から分離して
いる。2. Description of the Related Art For example, very fine solid particles are mixed in a washing waste liquid discharged from a washing step in coating an industrial product. Conventionally, in order to separate solid particles from this kind of waste liquid, generally, a coagulant such as aluminum sulfate or iron sulfate or a neutralizing agent is put into the waste liquid, and the particles in the liquid are coagulated and precipitated. They are separated from the effluent.
【０００３】[0003]
【発明が解決しようとする課題】しかし、凝集剤や中和
剤を使用して固形物粒子を凝集・分離する場合、設備と
して、凝集剤投入槽、中和剤投入槽、及び沈殿槽など大
形で複数のタンクを設ける必要があり、設置スペースや
設備費がかさむ問題があった。However, when coagulating and separating solid particles using a coagulant or a neutralizing agent, equipment such as a coagulant charging tank, a neutralizing agent charging tank, and a sedimentation tank are required. It is necessary to provide a plurality of tanks in the form, and there is a problem that installation space and equipment cost increase.
【０００４】また、凝集剤を廃液中に投入して凝集処理
した場合、凝集剤自体がタンク内でスラッジに変化する
ことがあり、場合によっては、この凝集剤によるスラッ
ジが廃液中の固形物よりはるかに多量に発生し、そのス
ラッジを除去するために、さらに煩雑な除去工程が必要
となる等の問題があった。[0004] Further, when the flocculant is introduced into the waste liquid and subjected to the flocculation treatment, the flocculant itself may be converted into sludge in the tank, and in some cases, the sludge due to the flocculant is less than the solid matter in the waste liquid. A much larger amount was generated, and there was a problem that a more complicated removal process was required to remove the sludge.
【０００５】また、特殊なフィルターを使用して、廃液
中から固形物粒子を濾過する装置も使用されているが、
分離効率が悪く、フィルターの交換も頻繁に行う必要が
あり、安定度の高いコロイド状粒子などは、濾過では良
好に分離できない等の問題があった。[0005] An apparatus for filtering solid particles from waste liquid using a special filter is also used.
The separation efficiency is poor, the filter needs to be replaced frequently, and colloidal particles having high stability cannot be separated well by filtration.
【０００６】本発明は、上記の点に鑑みてなされたもの
で、薬剤を使用せずに、被処理液から固形物粒子や微小
油滴等を効率良く凝集・分離することができ、比較的小
形な設備として構成可能な凝集分離装置を提供すること
を目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and can efficiently aggregate and separate solid particles and minute oil droplets from a liquid to be treated without using a chemical. It is an object of the present invention to provide a coagulation / separation device that can be configured as a small facility.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
に、本発明の凝集分離装置は、被処理液を入れる処理槽
と、処理槽内に間隔をおいて配設された複数の電極板
と、電極板間或は電極板と槽壁間に交流・高周波電圧を
印加する電源装置と、を備え、電源装置の周波数は１ｋ
Ｈｚ〜５００ｋＨｚで、その電圧は２０Ｖに設定され、
電源装置から電極板を介して被処理液に高周波電界を作
用させ、被処理液中の浮遊粒子の界面動電位を中和さ
せ、被処理液から固形物粒子や油分粒子等を凝集させて
分離することを要旨とする。In order to achieve the above object, an agglomeration / separation apparatus according to the present invention comprises a processing tank for storing a liquid to be processed, and a plurality of electrode plates disposed at intervals in the processing tank. And a power supply for applying an AC / high-frequency voltage between the electrode plates or between the electrode plate and the tank wall, wherein the frequency of the power supply is 1 k
Hz to 500 kHz , the voltage is set to 20V ,
A high-frequency electric field is applied to the liquid to be treated from the power supply device via the electrode plate to neutralize the interfacial electrokinetic potential of the suspended particles in the liquid to be treated, and to aggregate and separate solid particles and oil particles from the liquid to be treated. The point is to do.
【０００８】[0008]
【作用・効果】このように構成された凝集分離装置で
は、電極板間或は電極板と槽壁間に交流・高周波電圧を
印加することによって、処理層内の被処理液に高周波電
界を作用させ、この高周波電界により液中の固形物粒子
が振動すると共に、粒子の界面動電位が中和され、固形
物粒子が凝集していく。同時に、電極板から溶出した金
属イオンが液中の水酸イオンと反応してフロックを形成
し、液中の固形物粒子を巻き込みながら凝集し、フロッ
クつまり凝集塊は沈殿し、液と分離される。一方、被処
理液に生じる電気分解は、高周波を使用することによ
り、また、電圧を２０Ｖと比較的低く設定することによ
り効果的に抑制される。[Function / Effect] In the coagulation / separation apparatus thus configured, a high-frequency electric field is applied to the liquid to be treated in the treatment layer by applying an AC / high-frequency voltage between the electrode plates or between the electrode plate and the tank wall. The high-frequency electric field causes the solid particles in the liquid to vibrate, neutralizes the electrokinetic potential of the particles, and the solid particles aggregate. At the same time, the metal ions eluted from the electrode plate react with the hydroxide ions in the liquid to form flocs, and agglomerate while entraining the solid particles in the liquid, and flocs, that is, aggregates, precipitate and are separated from the liquid. . On the other hand, the electrolysis that occurs in the liquid to be treated is effectively suppressed by using a high frequency and setting the voltage to a relatively low value of 20V .
【０００９】また、エマルジョンつまり微小油滴となっ
て含有されている水溶性切削液等の廃液の場合、高周波
電界を作用させると、電界によって液中の油分の界面動
電位が中和され、油滴の凝集粗粒化が促進される。Further, in the case of a waste fluid such as a water-soluble cutting fluid contained in the form of an emulsion, that is, fine oil droplets, when a high-frequency electric field is applied, the electrokinetic potential of the oil in the liquid is neutralized by the electric field, and Coagulation and coarsening of the droplets are promoted.
【００１０】このように、被処理液に高周波電界を作用
させて固形物粒子やエマルジョンの微小油滴等を凝集分
離するため、薬剤を使用して凝集分離する場合に比べ、
タンク等の設備が小形化され、スラッジを出さずに容易
に処理することができ、また、安定度の高いコロイド粒
子であっても、効率良く液中の粒子を凝集分離すること
ができる。As described above, the high-frequency electric field is applied to the liquid to be treated to coagulate and separate the solid particles and the fine oil droplets of the emulsion.
Equipment such as a tank is miniaturized, and can be easily treated without generating sludge. Even in the case of highly stable colloid particles, particles in a liquid can be efficiently aggregated and separated.
【００１１】[0011]
【実施例】以下、本発明の実施例を図面に基づいて説明
する。Embodiments of the present invention will be described below with reference to the drawings.
【００１２】図１は凝集分離装置の縦断面図を示し、図
２はその横断面図を示している。この凝集分離装置は、
被処理液となる廃液を入れる処理槽１と、処理槽１内の
電極板５、６間に交流・高周波電圧を印加して被処理液
に電界を作用させる電源装置２とから構成される。FIG. 1 is a longitudinal sectional view of the coagulation / separation apparatus, and FIG. 2 is a transverse sectional view thereof. This coagulation separation device,
It comprises a processing tank 1 for storing a waste liquid to be processed, and a power supply device 2 for applying an AC / high-frequency voltage between the electrode plates 5 and 6 in the processing tank 1 to apply an electric field to the liquid to be processed.
【００１３】処理槽１には、一端の壁部に被処理液を供
給する供給口３が設けられ、供給口３に供給管が接続さ
れる。供給口３に近い処理槽１の内部に電極室４が形成
され、電極室４内には複数の電極板５と６が交互に一定
間隔をおいて縦に配設される。The processing tank 1 is provided with a supply port 3 for supplying a liquid to be treated on one end wall, and a supply pipe is connected to the supply port 3. An electrode chamber 4 is formed inside the processing tank 1 near the supply port 3, and a plurality of electrode plates 5 and 6 are alternately vertically arranged in the electrode chamber 4 at regular intervals.
【００１４】電極板５は絶縁板９を介して処理槽１の壁
部に固定され、電極６は処理槽１に直接固定される。各
電極板５、６の遊端部周辺には空間が形成され、被処理
液の通路を形成している。また、処理槽１内の電極室４
の底部に、凝集して沈殿した沈殿物を溜めるための空間
が形成される。なお、電極板５、６には、鉄、アルミニ
ウム等の導電金属が使用される。The electrode plate 5 is fixed to the wall of the processing tank 1 via the insulating plate 9, and the electrode 6 is fixed directly to the processing tank 1. A space is formed around the free end of each of the electrode plates 5 and 6 to form a passage for the liquid to be treated. The electrode chamber 4 in the processing tank 1
A space is formed at the bottom of the for storing the sediment that has aggregated and settled. The electrode plates 5 and 6 are made of a conductive metal such as iron or aluminum.
【００１５】処理槽１内の他端部は、底部から立ち上が
る高さの低い仕切板７によって仕切られ、電極室４の隣
に仕切室８が形成され、電極室４から仕切板７の上を越
えた分離後の被処理液が仕切室８に流入する構造であ
る。The other end in the processing tank 1 is partitioned by a partition plate 7 having a low height rising from the bottom, and a partition chamber 8 is formed next to the electrode chamber 4. The structure is such that the liquid to be treated after the separation has flowed into the partitioning chamber 8.
【００１６】処理槽１の他端つまり仕切室８の側壁の下
部に排出口１１が形成され、その排出口１１に排出管１
０が接続される。排出管１０は、排出口１１から液面レ
ベルまで立ち上がり、その液面レベルからオーバフロー
した被処理液を流出させる構造である。A discharge port 11 is formed at the other end of the processing tank 1, that is, at a lower portion of the side wall of the partitioning chamber 8, and the discharge pipe 11 is provided at the discharge port 11.
0 is connected. The discharge pipe 10 has a structure that rises from the discharge port 11 to a liquid level and allows the liquid to be processed that has overflowed from the liquid level to flow out.
【００１７】電源装置２は、図３に示すように、高周波
信号を発生する高周波信号発生器１５と、高周波信号発
生器１５から出力された高周波信号を入力し電圧増幅す
る電圧増幅器１６と、電圧増幅器１６から出力された信
号を電流増幅する電流増幅器１７と、電流制御回路１８
とから構成される。電流増幅器１７の出力側が電極室４
内の電極板５、６に接続される。As shown in FIG. 3, the power supply device 2 includes a high-frequency signal generator 15 for generating a high-frequency signal, a voltage amplifier 16 for inputting the high-frequency signal output from the high-frequency signal generator 15 and amplifying the voltage, A current amplifier 17 for current-amplifying a signal output from the amplifier 16;
It is composed of The output side of the current amplifier 17 is the electrode chamber 4
Connected to the inner electrode plates 5 and 6.
【００１８】高周波信号発生器１５は、約１ｋＨｚ〜約
５００ｋＨｚの交流・高周波信号を発生する高周波発振
器を有し、任意に設定可能な周波数信号を発振出力す
る。また、高周波信号発生器１５は、発振した高周波信
号を正弦波として出力する正弦波出力回路、矩形波とし
て出力する矩形波出力回路、鋸歯状波として出力する鋸
歯状波出力回路が切換え可能に設けられ、選択された波
形の高周波信号が出力される。The high-frequency signal generator 15 has a high-frequency oscillator for generating an AC / high-frequency signal of about 1 kHz to about 500 kHz, and oscillates and outputs an arbitrarily settable frequency signal. The high-frequency signal generator 15 is switchably provided with a sine wave output circuit that outputs an oscillated high-frequency signal as a sine wave, a rectangular wave output circuit that outputs a square wave, and a saw-tooth wave output circuit that outputs a saw-tooth wave. Then, a high-frequency signal of the selected waveform is output.
【００１９】処理槽１内に廃液等の被処理液を入れ、電
界かけて凝集処理した場合、粒子の凝集が進行すると、
液の導電率が変化してくる。このため、電極板５、６間
に流れる電流値が、最良の凝集効率を発揮する電流値か
らはずれてくる。そこで、電流増幅器１７の出力電流を
制御する電流制御回路１８が設けられる、電流制御回路
１８は、電流増幅器１７の出力電流値を検出し、その電
流値と予め設定された電流設定値と比較し、電流値が相
違する場合、電圧増幅器１６に電圧を調整する電圧調整
信号を出力して電圧を調整することにより、電流増幅器
１７の出力電流値を電流設定値に合せるように構成され
る。また、この電流制御回路１８は、電極間の短絡等に
より負荷電流が異常に上昇した場合、電流増幅器１７の
出力を遮断する保護回路としても動作する。When a liquid to be treated, such as a waste liquid, is placed in the treatment tank 1 and subjected to agglomeration by applying an electric field.
The conductivity of the liquid changes. Therefore, the value of the current flowing between the electrode plates 5 and 6 deviates from the value of the current at which the best aggregation efficiency is exhibited. Therefore, a current control circuit 18 for controlling the output current of the current amplifier 17 is provided. The current control circuit 18 detects the output current value of the current amplifier 17 and compares the detected current value with a preset current set value. When the current values are different, a voltage adjustment signal for adjusting the voltage is output to the voltage amplifier 16 to adjust the voltage, so that the output current value of the current amplifier 17 is adjusted to the current set value. The current control circuit 18 also operates as a protection circuit that shuts off the output of the current amplifier 17 when the load current rises abnormally due to a short circuit between the electrodes or the like.
【００２０】次に、上記構成の凝集分離装置の動作を説
明する。Next, the operation of the coagulation / separation apparatus having the above configuration will be described.
【００２１】例えば、塗装工程における洗浄工程から排
出された廃液（微小な固形物粒子を含む被処理液）が、
ポンプ等を介して供給口３から処理槽１の電極室４内に
所定レベルになるまで供給される。そして、電源装置２
を起動し、所定の交流・高周波電圧を電極板５と６間に
印加し、凝集分離処理を開始する。For example, waste liquid (liquid to be treated containing fine solid particles) discharged from the washing step in the coating step is
It is supplied from a supply port 3 through a pump or the like into the electrode chamber 4 of the processing tank 1 until it reaches a predetermined level. And the power supply 2
Is started, and a predetermined alternating current / high frequency voltage is applied between the electrode plates 5 and 6 to start the coagulation separation process.
【００２２】このときの電極板５、６に供給される交流
・高周波電力は、周波数約１ｋＨｚ〜約５００ｋＨｚ、
電流約０．０５Ａ〜約２Ａ、電圧約２０Ｖである。電圧
は、ある程度までは高いほど凝集効率が良好であるが、
安全性の面から約２０Ｖに設定される。The AC / high-frequency power supplied to the electrode plates 5 and 6 at this time has a frequency of about 1 kHz to about 500 kHz,
The current is about 0.05A to about 2A, and the voltage is about 20V. The higher the voltage is, the better the coagulation efficiency is,
It is set to about 20V for safety.
【００２３】供給口３から電極室４に入った廃液は、電
極板５、６間に印加された交流・高周波電圧による電界
の作用を受け、この高周波電界によって、液中の固形物
粒子が振動すると共に、粒子の界面動電位が中和され、
固形物粒子は凝集する。また、電極板５、６から溶出し
た金属イオンが液中の水酸イオンと反応してフロックを
形成し、液中の固形物粒子を巻き込みながら凝集し、フ
ロックつまり凝集塊は沈殿していく。The waste liquid that has entered the electrode chamber 4 through the supply port 3 is subjected to the action of an electric field generated by the AC / high-frequency voltage applied between the electrode plates 5 and 6, and the solid particles in the liquid are vibrated by the high-frequency electric field. At the same time, the electrokinetic potential of the particles is neutralized,
The solid particles agglomerate. Further, the metal ions eluted from the electrode plates 5 and 6 react with the hydroxide ions in the liquid to form flocs, and agglomerate while entraining the solid particles in the liquid, and flocs, that is, aggregates precipitate.
【００２４】そして、固形物粒子を分離した後の被処理
液は、仕切板７を越えて仕切室８に入り、仕切室８から
排出管１０を通して排出される。また、電極室４の底部
に沈殿したフロックは処理後に適当な方法で排出され
る。After the solid particles are separated, the liquid to be treated passes through the partition plate 7, enters the partition chamber 8, and is discharged from the partition chamber 8 through the discharge pipe 10. The floc settled at the bottom of the electrode chamber 4 is discharged by an appropriate method after the treatment.
【００２５】このように、交流・高周波電圧を電極板
５、６間に印加し、高周波電界を被処理液に作用させる
ため、液中の固形物粒子を効果的に振動させて、安定度
の高いコロイド粒子であっても、凝集を促進させること
ができる。また、交流・高周波を使用し、その電圧を約
２０Ｖと比較的低く設定することにより、被処理液の電
気分解を最小に抑制して、電極板の消耗を最小におさえ
ることができる。As described above, an alternating current / high frequency voltage is applied between the electrode plates 5 and 6 to cause a high frequency electric field to act on the liquid to be treated. Aggregation can be promoted even with high colloid particles. Also, use alternating current and high frequency
By setting the voltage to a relatively low value of 20 V, it is possible to minimize the electrolysis of the liquid to be treated and minimize the consumption of the electrode plate.
【００２６】一方、上記構成の処理槽１内の仕切板７の
上方に、浮遊した油分を受ける油受け部を設ければ、水
溶性切削液等の油分を混入した廃液を処理することもで
きる。On the other hand, if an oil receiving portion for receiving the floating oil is provided above the partition plate 7 in the processing tank 1 having the above-described structure, it is possible to process a waste liquid mixed with an oil such as a water-soluble cutting fluid. .
【００２７】即ち、水溶性切削液の廃液には、油分と共
に界面活性剤が多量に含まれ、油分がエマルジョンつま
り微小油滴となって含有されているが、この廃液を処理
槽１に入れ、高周波電界を作用させた場合、電界によっ
て液中の油分の界面動電位が中和され、油滴の凝集粗粒
化が促進される。その結果、分離された油滴は電極室４
内を浮上し、その表層部分に高油分濃度の表層が現れ、
下層部分は殆ど水となって分離される。したがって、上
層に浮上した油滴を油受け部で受けて排出すれば、エマ
ルジョン化した廃液中の油分でも、効率良く凝集・分離
することができる。That is, the waste liquid of the water-soluble cutting fluid contains a large amount of a surfactant together with the oil, and the oil is contained in the form of an emulsion, that is, fine oil droplets. When a high-frequency electric field is applied, the electric field neutralizes the electrokinetic potential of the oil in the liquid and promotes the aggregation and coarsening of the oil droplets. As a result, the separated oil droplets become
Surface, the surface of high oil concentration appears on the surface,
The lower part is almost water and separated. Therefore, if the oil droplets floating on the upper layer are received and discharged by the oil receiving portion, even the oil component in the emulsified waste liquid can be efficiently aggregated and separated.
【００２８】なお、実験によれば、固形物粒子が混入し
た廃液の場合、電極板５、６に供給する交流・高周波電
力を、周波数６０ｋＨｚ、電流０．９Ａ、電圧２０Ｖと
したとき、最良の凝集・分離効果が得られた。また、エ
マルジョンを含む廃液の場合、電極板５、６に供給する
交流・高周波電力を、周波数６０ｋＨｚ、電流１．０
Ａ、電圧２０Ｖとしたとき、最良の凝集・分離効果が得
られた。According to experiments, in the case of waste liquid mixed with solid particles, the best AC / high-frequency power supplied to the electrode plates 5 and 6 was obtained when the frequency was 60 kHz, the current was 0.9 A, and the voltage was 20 V. A coagulation / separation effect was obtained. In the case of a waste liquid containing an emulsion, alternating current / high frequency power supplied to the electrode plates 5 and 6 is supplied at a frequency of 60 kHz and a current of 1.0.
A, when the voltage was 20 V, the best aggregation / separation effect was obtained.
【図１】本発明の一実施例を示す凝集分離装置の処理槽
の縦断面図である。FIG. 1 is a longitudinal sectional view of a treatment tank of a coagulation / separation apparatus showing one embodiment of the present invention.
【図２】その水平方向の断面図である。FIG. 2 is a horizontal sectional view thereof.
【図３】凝集分離装置の電源装置のブロック図である。FIG. 3 is a block diagram of a power supply device of the coagulation separation device.
１−処理槽、 ２−電源装置、 ４−電極室、 ５、６−電極板。 1-treatment tank, 2-power supply device, 4-electrode chamber, 5,6-electrode plate.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭52−42468（ＪＰ，Ａ) 特公 昭56−23657（ＪＰ，Ｂ２) ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-52-42468 (JP, A) JP-B-56-23657 (JP, B2)
Claims (1)
印加する電源装置と、 を備え、該電源装置の周波数は１ｋＨｚ〜５００ｋＨｚ
で、その電圧は２０Ｖに設定され、該電源装置から該電
極板を介して該被処理液に高周波電界を作用させ、該被
処理液中の浮遊粒子の界面動電位を中和させ、該被処理
液から固形物粒子や油分粒子等を凝集させて分離するこ
とを特徴とする凝集分離装置。1. A treatment tank for storing a liquid to be treated, a plurality of electrode plates arranged in the treatment tank at intervals, and an alternating current / high frequency wave between the electrode plates or between the electrode plate and the tank wall. And a power supply for applying a voltage, wherein the frequency of the power supply is 1 kHz to 500 kHz.
The voltage is set to 20 V , and a high-frequency electric field is applied to the liquid to be processed from the power supply device via the electrode plate to neutralize the interfacial electrokinetic potential of the suspended particles in the liquid to be processed. An agglomeration / separation apparatus, which agglomerates and separates solid particles and oil particles from a treatment liquid.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4211850A JP2623052B2 (en) | 1992-08-07 | 1992-08-07 | Coagulation separation device |
| US08/100,170 US5338421A (en) | 1992-08-07 | 1993-08-02 | Method of and apparatus for separation by agglomeration |
| CA002101885A CA2101885C (en) | 1992-08-07 | 1993-08-04 | Method of and apparatus for separation by agglomeration |
| EP93112690A EP0582314B1 (en) | 1992-08-07 | 1993-08-07 | Method and apparatus for separation by agglomeration |
| DE69305799T DE69305799T2 (en) | 1992-08-07 | 1993-08-07 | Method and apparatus for agglomeration separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4211850A JP2623052B2 (en) | 1992-08-07 | 1992-08-07 | Coagulation separation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH078963A JPH078963A (en) | 1995-01-13 |
| JP2623052B2 true JP2623052B2 (en) | 1997-06-25 |
Family
ID=16612631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4211850A Expired - Fee Related JP2623052B2 (en) | 1992-08-07 | 1992-08-07 | Coagulation separation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2623052B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3491064B2 (en) | 2000-10-20 | 2004-01-26 | 日本航空電子工業株式会社 | High-speed transmission connector |
| JP2008049278A (en) * | 2006-08-25 | 2008-03-06 | Hideo Hayakawa | Separation method of oil contained in liquid and its device |
| CN102010037A (en) * | 2009-09-08 | 2011-04-13 | 王惠丰 | Design scheme of standardized electric flocculation equipment |
| JP5569511B2 (en) * | 2011-12-07 | 2014-08-13 | ダイキン工業株式会社 | Electrolysis apparatus and heat pump water heater provided with the same |
| CN103043755B (en) * | 2012-12-24 | 2014-07-30 | 中国科学院过程工程研究所 | Electric flocculation device for separation and collection of industrial air-assisted microalgae water |
| CN114426321A (en) * | 2020-09-23 | 2022-05-03 | 中国石油化工股份有限公司 | Tubular electric flocculation demulsification device and method for oilfield produced water |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5242468A (en) * | 1975-10-01 | 1977-04-02 | Enkuraa Bijinesu:Kk | Method of treating waste fluid of electro deposition coating |
| JPS5623657A (en) * | 1979-07-31 | 1981-03-06 | Nissan Motor Co Ltd | Fan motor control system for air conditioner |
-
1992
- 1992-08-07 JP JP4211850A patent/JP2623052B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH078963A (en) | 1995-01-13 |
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