JPS6125689A - Purification treatment of waste water containing surfactant, oil, and fluorine - Google Patents
Purification treatment of waste water containing surfactant, oil, and fluorineInfo
- Publication number
- JPS6125689A JPS6125689A JP14435984A JP14435984A JPS6125689A JP S6125689 A JPS6125689 A JP S6125689A JP 14435984 A JP14435984 A JP 14435984A JP 14435984 A JP14435984 A JP 14435984A JP S6125689 A JPS6125689 A JP S6125689A
- Authority
- JP
- Japan
- Prior art keywords
- added
- oil
- fluorine
- salt
- alkaline agent
- 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.)
- Granted
Links
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Removal Of Specific Substances (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は廃水の浄化方法に係り，特にアルミ製鑵工業
に於ける表面処理工程などから排出される界面活性剤，
油分，ふっ素含有廃水の浄化処理方法に関する。[Detailed Description of the Invention] This invention relates to a method for purifying wastewater, and in particular to a method for purifying wastewater using surfactants discharged from surface treatment processes in the aluminum iron industry.
This article relates to a method for purifying wastewater containing oil and fluorine.
アルミ製鑵工業の表面処理工程からは界面活性剤，油分
，ふっ素含有廃水が排出される。従来この種の廃水の処
理方法としては，該廃水に鉱酸を添加しｐＨを４前後と
し，次いで活性炭，カチオン系高分子凝集剤，アルミニ
ウム塩を順次添加し。Surfactant, oil, and fluorine-containing wastewater is discharged from the surface treatment process of the aluminum iron industry. Conventionally, this type of wastewater treatment method involves adding a mineral acid to the wastewater to adjust the pH to around 4, and then sequentially adding activated carbon, a cationic polymer flocculant, and an aluminum salt.
更にアルカリで廃水を中性にして生じた沈殿物を除去し
た後に，得られた澄水にＡＡ塩を添加し。Furthermore, after neutralizing the wastewater with an alkali and removing the resulting precipitate, AA salt was added to the resulting clear water.
更にアルカリでｐＨを６〜８止し，生じた沈殿物を除去
することにより行なわれてきている。しかしながら、上
記従来法だと界面活性剤を含む有機汚濁物質，油分，ふ
っ素の除去性が不十分である欠点があった。Furthermore, it has been carried out by adjusting the pH to 6 to 8 with an alkali and removing the formed precipitate. However, the above-mentioned conventional method has the disadvantage that the ability to remove organic pollutants containing surfactants, oil, and fluorine is insufficient.
この発明の目的は前記従来技術の欠点を解消し。 The object of the present invention is to overcome the drawbacks of the prior art.
界面活性剤，油分及びふっ素を含有する廃水からこれら
の汚染成分を効果的に除去することを可能にすることが
できる処理方法を捷供するにある。The object of the present invention is to provide a treatment method that can effectively remove pollutants from wastewater containing surfactants, oil, and fluorine.
上記目的を達成するため１本発明は界面活性剤。 In order to achieve the above object, the present invention provides a surfactant.
油分、及びふつ素を含有する廃水にベントナイト。Bentonite in wastewater containing oil and fluorine.
カチオン系高分子凝集剤を添加し１次ＫＡ４塩を添加後
、アルカリ剤を添加してｐＨ７に調節後置液分離する工
程（第一工程）９次いで得られた処理水に過酸化水素、
第一鉄塩を添加後、アルカリ剤でｐＨ７に調節し固液分
離して処理水を得る工程（第二工程）を有するように構
成したものである。After adding a cationic polymer flocculant and adding primary KA4 salt, adding an alkali agent to adjust the pH to 7 and separating the post-liquid (first step) 9 Next, hydrogen peroxide was added to the resulting treated water,
After adding the ferrous salt, the system includes a step (second step) of adjusting the pH to 7 with an alkaline agent and performing solid-liquid separation to obtain treated water.
本発明の一実施態様を第１図を用いて説明すれば、廃水
１に一反応槽ＡＫ導きベントナイト２・、カチオン系高
分子凝集剤３ｔ−添加してエマルジョン分解を行なう。One embodiment of the present invention will be described with reference to FIG. 1. Emulsion decomposition is carried out by adding 2 tons of bentonite and 3 tons of cationic polymer flocculant to wastewater 1 in a reaction tank AK.
この処理水を−さらに混和槽Ｂに導きＡｌ塩４．アルカ
リ剤５を添加して凝集反応を行ったのち、沈でん池Ｃで
凝集フロックを分離し。This treated water is further led to mixing tank B with Al salt4. After adding alkaline agent 5 to perform a flocculation reaction, the flocs were separated in sedimentation tank C.
その処理水は酸化工程りに導き、過酸化水素６゜第１鉄
塩７を添加後、中和槽Ｅに導きアルカリ剤８を添加して
中和後、沈でん池Ｆで凝集フロツクを分離し、清澄水９
を得るものである。酸化処理においては残存有機物が除
去され、又残存するふっ素も第２鉄イオンの共沈効果に
より凝集除去される。次に実施例を示す。The treated water is led to an oxidation process, after which hydrogen peroxide (6°) and ferrous salt (7) are added, it is led to a neutralization tank (E) and an alkali agent (8) is added to neutralize it, and the flocs are separated in a sedimentation tank (F). , Kiyomizu 9
This is what you get. In the oxidation treatment, residual organic matter is removed, and residual fluorine is also coagulated and removed by the coprecipitation effect of ferric ions. Next, examples will be shown.
アルミ製鑵工業の表口処理工程から排出される界面活性
剤、油分、ふっ素を含有した廃水に対して、ベントナイ
ト”ｋ３０００〜／を添加して５外間急速攪拌し次にカ
チオン系高分子凝集剤１２６ｑ／を添加して５分間急速
攪拌し９次にＰＡＣを１６２０η／を添加し５分間急速
攪拌後Ｃα（ＯＨ）２でｐＨ７に中和し１次にアニオン
系高分子凝集剤をｌη／を添加、１０分間緩速攪拌した
後３０分静置した。次に上澄水に過酸化水素を４６８〜
／を添加し５分間急速攪拌し９次に硫酸第一鉄（７水塩
）を３３００岬／を添加し５分間急速攪拌後。To wastewater containing surfactants, oil, and fluorine discharged from the surface treatment process of Aluminum Steel Industry, bentonite "k3000~/" was added and rapidly stirred for 5 minutes, followed by a cationic polymer flocculant. 126q/ was added and stirred rapidly for 5 minutes.Next, 1620η/ of PAC was added, and after rapid stirring for 5 minutes, it was neutralized to pH 7 with Cα(OH)2, and the anionic polymer flocculant was added lη/. After addition, the mixture was slowly stirred for 10 minutes and then allowed to stand for 30 minutes.Next, hydrogen peroxide was added to the supernatant water at a concentration of 468~
/ was added and stirred rapidly for 5 minutes.Next, 3300 cape/ of ferrous sulfate (heptahydrate) was added and stirred rapidly for 5 minutes.
荀性ソーダでＰＨ７に中和し１次にアニオン系高分子凝
集剤を１＊／を添加し、１０分間緩速攪拌後３０分靜置
した。廃水水質および得られた上澄水水質を第１表に示
す。The mixture was neutralized to pH 7 with sodium chloride soda, and then 1*/ of an anionic polymer flocculant was added, stirred slowly for 10 minutes, and then left to stand for 30 minutes. The quality of the wastewater and the quality of the obtained supernatant water are shown in Table 1.
第 １ 表
〔発明の効果〕
以上説明したごとく９本発明によれば界面活性剤、油分
及びふっ素を含有する廃水を効率よく浄化処理すること
ができる。Table 1 [Effects of the Invention] As explained above, according to the present invention, wastewater containing surfactants, oil, and fluorine can be efficiently purified.
第１図は本発明の一実施態５１ｔ−示す系統説明図であ
る。
ｌ・・・廃 水 ２・・・ベントナイト３・
・・カチオン系高分子凝集剤
４・・・Ａｌ塩 ５・・・アルカリ剤６・・
・過酸化水素 ７・・・第１鉄塩８・・アルカリ
剤 ９・・清澄水Ａ・・・反応槽 Ｂ
・・・混和槽Ｃ・・・沈でん池 Ｄ・・酸化槽
Ｅ・・中和槽 Ｆ・・沈でん池。FIG. 1 is a system explanatory diagram showing one embodiment 51t of the present invention. l...waste water 2...bentonite 3.
...Cationic polymer flocculant 4...Al salt 5...Alkaline agent 6...
・Hydrogen peroxide 7... Ferrous salt 8... Alkali agent 9... Clear water A... Reaction tank B
... Mixing tank C... Sedimentation tank D... Oxidation tank E... Neutralization tank F... Sedimentation tank.
Claims (1)
チオン系高分子凝集剤を添加し次にＡｌ塩を添加後アル
カリ剤でｐＨ７に中和し固液分離して処理水を得る工程
（第一工程）と該処理水に過酸化水素を添加し、さらに
第一鉄塩を添加後、アルカリ剤でｐＨ７に中和し固液分
離して処理水を得る工程（第二工程）を有することを特
徴とする界面活性剤、油分、ふつ素含有廃水の浄化処理
方法。A step of adding bentonite and a cationic polymer flocculant to wastewater containing surfactants, oil, and fluorine, and then adding Al salt, neutralizing the pH to 7 with an alkaline agent, and performing solid-liquid separation to obtain treated water (first step). step) and a step (second step) of adding hydrogen peroxide to the treated water, further adding ferrous salt, neutralizing it to pH 7 with an alkaline agent, and performing solid-liquid separation to obtain treated water. A method for purifying wastewater containing surfactants, oil, and fluorine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14435984A JPS6125689A (en) | 1984-07-13 | 1984-07-13 | Purification treatment of waste water containing surfactant, oil, and fluorine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14435984A JPS6125689A (en) | 1984-07-13 | 1984-07-13 | Purification treatment of waste water containing surfactant, oil, and fluorine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6125689A true JPS6125689A (en) | 1986-02-04 |
| JPH0347917B2 JPH0347917B2 (en) | 1991-07-22 |
Family
ID=15360266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14435984A Granted JPS6125689A (en) | 1984-07-13 | 1984-07-13 | Purification treatment of waste water containing surfactant, oil, and fluorine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6125689A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006027121A1 (en) * | 2004-09-07 | 2006-03-16 | Ciba Specialty Chemicals Water Treatments Limited | Treatment of oily sludges |
| CN103848513A (en) * | 2012-11-28 | 2014-06-11 | 苏州市环境保护有限公司 | Fluorine-containing wastewater treatment method based on Fenton oxidation reaction, and apparatus thereof |
| CN106241913A (en) * | 2016-09-08 | 2016-12-21 | 合肥智慧殿投资管理有限公司 | A kind of waste-water from coal mine inorganic agent and its preparation method and application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4840260A (en) * | 1971-09-21 | 1973-06-13 | ||
| JPS5231973A (en) * | 1975-05-13 | 1977-03-10 | Mitsui Fudousan Kensetsu Kk | Treating method of oil containing mud or waste water |
| JPS52108654A (en) * | 1976-03-09 | 1977-09-12 | Toa Gosei Chem Ind | Method of treating treated night soil water |
-
1984
- 1984-07-13 JP JP14435984A patent/JPS6125689A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4840260A (en) * | 1971-09-21 | 1973-06-13 | ||
| JPS5231973A (en) * | 1975-05-13 | 1977-03-10 | Mitsui Fudousan Kensetsu Kk | Treating method of oil containing mud or waste water |
| JPS52108654A (en) * | 1976-03-09 | 1977-09-12 | Toa Gosei Chem Ind | Method of treating treated night soil water |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006027121A1 (en) * | 2004-09-07 | 2006-03-16 | Ciba Specialty Chemicals Water Treatments Limited | Treatment of oily sludges |
| CN103848513A (en) * | 2012-11-28 | 2014-06-11 | 苏州市环境保护有限公司 | Fluorine-containing wastewater treatment method based on Fenton oxidation reaction, and apparatus thereof |
| CN103848513B (en) * | 2012-11-28 | 2016-03-02 | 苏州市环境保护有限公司 | A kind of fluorine-containing wastewater treatment method based on Fenton oxidation reaction |
| CN106241913A (en) * | 2016-09-08 | 2016-12-21 | 合肥智慧殿投资管理有限公司 | A kind of waste-water from coal mine inorganic agent and its preparation method and application |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0347917B2 (en) | 1991-07-22 |
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