JPS63315192A - Treatment of waste water containing surface active agent and/or oil - Google Patents
Treatment of waste water containing surface active agent and/or oilInfo
- Publication number
- JPS63315192A JPS63315192A JP14951387A JP14951387A JPS63315192A JP S63315192 A JPS63315192 A JP S63315192A JP 14951387 A JP14951387 A JP 14951387A JP 14951387 A JP14951387 A JP 14951387A JP S63315192 A JPS63315192 A JP S63315192A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- diatomaceous earth
- waste water
- surface active
- tannin
- 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
- 239000002351 wastewater Substances 0.000 title claims abstract description 25
- 239000004094 surface-active agent Substances 0.000 title claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 235000018553 tannin Nutrition 0.000 claims abstract description 17
- 229920001864 tannin Polymers 0.000 claims abstract description 17
- 239000001648 tannin Substances 0.000 claims abstract description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000005909 Kieselgur Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 9
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 9
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 229920006317 cationic polymer Polymers 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 2
- 230000001112 coagulating effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000001179 sorption measurement Methods 0.000 abstract description 6
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 239000004576 sand Substances 0.000 abstract description 4
- 239000000284 extract Substances 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 2
- 239000000243 solution Substances 0.000 abstract description 2
- 239000013043 chemical agent Substances 0.000 abstract 2
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 abstract 1
- 150000001768 cations Chemical class 0.000 abstract 1
- 239000000839 emulsion Substances 0.000 abstract 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 abstract 1
- 239000002689 soil Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- 239000003599 detergent Substances 0.000 description 3
- 125000000129 anionic group Chemical group 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010797 grey water Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 238000009287 sand filtration Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000002035 hexane extract Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 235000009048 phenolic acids Nutrition 0.000 description 1
- 150000007965 phenolic acids Chemical class 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
発明の目的
（産業上の利用分野）
本発明は、陽イオン、陰イオン、非イオン系の界面活性
剤及び／又は油分を含む排水の浄化処理方法に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION Object of the Invention (Field of Industrial Application) The present invention relates to a method for purifying wastewater containing cationic, anionic, and nonionic surfactants and/or oil.
（従来の技術）
従来、多価フェノールと多糖類の縮合体からなる処理材
を用いた排水処理法又は界面活性剤除去法が知られてい
る。(Prior Art) Conventionally, a wastewater treatment method or a surfactant removal method using a treatment material made of a condensate of polyhydric phenol and polysaccharide is known.
（発明が解決しようとする問題点）
上記従来の排水処理方法においては、生成したフロック
の強度が弱く、またそのフロックは軽く、さらに処理剤
自体が高価であるという問題点があった。(Problems to be Solved by the Invention) The conventional wastewater treatment method described above has problems in that the strength of the generated flocs is weak, the flocs are light, and the treatment agent itself is expensive.
発明の構成
（問題点を解決するための手段）
本発明は上記問題点を解決するために、タンニンを含有
した珪藻土又はカオリン粉末に高分子凝薬剤を配合した
処理剤を、界面活性剤及び／又は油分を含有する排水に
添加し、それらを凝集分離するという構成を採用してい
る。Structure of the Invention (Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention uses a processing agent in which a polymer coagulant is blended with diatomaceous earth or kaolin powder containing tannins, a surfactant and/or a surfactant. Or, it is added to waste water containing oil and coagulates and separates them.
上記タンニンは、天然の植物中に存在し、加水分解によ
って多価フェノール酸を生ずる物質である。The above-mentioned tannin is a substance that exists in natural plants and produces polyhydric phenolic acids upon hydrolysis.
同タンニンの含有量は、珪藻土又はカオリン粉末に対し
て２．５〜５重量％が好適である。この含有量は、タン
ニンの５重量％水溶液が珪藻土又はカオリン粉末に浸透
できる範囲である。また、タンニンの水溶液の濃度は１
〜５重量％程度が適当である。The content of the tannin is preferably 2.5 to 5% by weight based on diatomaceous earth or kaolin powder. This content is in a range that allows a 5% by weight aqueous solution of tannin to penetrate into diatomaceous earth or kaolin powder. Also, the concentration of the tannin aqueous solution is 1
Approximately 5% by weight is appropriate.
高分子凝集剤はカチオン系、アニオン系、ノニオン系の
いずれでもよいが、本発明においてはカチオン系高分子
凝集剤と組合わせて使用するのが凝集性能の点から特に
好ましい。また、その配合割合は、上記タンニンの１０
分の工程度、即ち珪藻土又はカオリン粉末に対して、タ
ンニンが１００〜１１０００ｐｐ、高分子凝集剤が１０
〜１０ｏｐｐｍとなる量が好適である。The polymer flocculant may be cationic, anionic, or nonionic, but in the present invention, it is particularly preferred to use it in combination with a cationic polymer flocculant from the viewpoint of flocculation performance. In addition, the blending ratio is 10% of the above tannins.
100 to 11,000 pp of tannin and 100 pp of polymer flocculant to diatomaceous earth or kaolin powder.
An amount of ~10 oppm is suitable.
また、処理対象となる排水は、界面活性剤を含有するも
の、油分を含有するもの又は界面活性剤と油分の双方を
含有するもののいずれでもよい。Furthermore, the wastewater to be treated may contain a surfactant, an oil, or both a surfactant and an oil.
そして、その他の成分が含まれていても差し支えない。There is no problem even if other ingredients are included.
（作用）
上記構成を採用したことにより、排水中の界面活性剤及
び／又は油分が、タンニンにより改質された珪藻土又は
カオリン粉末によって、早い速度で凝集、沈降が行われ
、生成したフロックが速やかに分離される。(Function) By adopting the above configuration, the surfactant and/or oil in the wastewater is coagulated and precipitated at a high speed by diatomaceous earth or kaolin powder modified with tannin, and the generated flocs are quickly removed. separated into
以下に本発明を具体化した実施例を図を用いて説明する
。Embodiments embodying the present invention will be described below with reference to the drawings.
（実施例１）
処理剤として、５重量％タンニン水溶液を含浸させた珪
藻土に、カチオン系高分子凝集剤を配合したものを使用
した。同処理剤中のタンニンとカチオン系高分子凝集剤
の割合を１０：１の重量比に設定した。(Example 1) As a treatment agent, diatomaceous earth impregnated with a 5% by weight aqueous tannin solution and mixed with a cationic polymer flocculant was used. The weight ratio of tannin and cationic polymer flocculant in the treatment agent was set at 10:1.
また、処理対象排水として、油分である水溶性ワックス
（日石商事株式会社製の商品名：洗車機用ワックスＮＣ
１０３）２０ ｍｌ及び界面活性剤である洗剤（日石商
事株式会社製の商品名：洗車機用フォーミングＮＣ１０
２）１５ ｍｌ）を２０ｆｉの上水道水に混合し、完全
にエマルジョン化した乳白色の汚水を使用した。In addition, as wastewater to be treated, water-soluble wax that is oil (product name: Car Wash Wax NC manufactured by Nisseki Shoji Co., Ltd.) is used.
103) 20 ml and surfactant detergent (trade name: Foaming NC10 for car wash machines manufactured by Nisseki Shoji Co., Ltd.)
2) 15 ml) was mixed with 20 fi of tap water to completely emulsify the milky white waste water.
図に示すように、薬剤注入工程１において、上記乳白色
の汚水Ｐに対し、上記処理剤２．２ｇを１０倍に希釈し
たものを薬剤注入器５から注入して攪拌混合したところ
、フロックが沈降し始めた。As shown in the figure, in the chemical injection step 1, when 2.2 g of the treatment agent diluted 10 times was injected into the milky white wastewater P from the chemical injector 5 and stirred and mixed, the flocs settled. I started doing it.
なお、上記汚水に対してタンニンは約１１００ｐｐ、カ
チオン系高分子凝集剤は約１０ｐｐｍである。In addition, the tannin content and the cationic polymer flocculant content are approximately 1100 ppm and approximately 10 ppm, respectively, in the above-mentioned wastewater.
次いで、これをポンプによって細砂濾過工程３に導き、
細砂濾過器７を通過させて小粒子の汚濁物を除去し、続
いて吸着濾過工程４に導き、無機質濾過材が充填された
吸着濾過器８を空間速度（ＳＶ）２〜２．５で通過させ
、特にｎ−ヘキサン抽出物を除去した。そして、処理水
タンク９に溜められた無色透明の処理水Ｗをオーバーフ
ローさせて放流した。Next, this is guided to fine sand filtration step 3 by a pump,
It passes through a fine sand filter 7 to remove small particle contaminants, and then leads to an adsorption filtration step 4, where it is passed through an adsorption filter 8 filled with an inorganic filter material at a space velocity (SV) of 2 to 2.5. In particular, the n-hexane extract was removed. Then, the colorless and transparent treated water W stored in the treated water tank 9 was allowed to overflow and discharged.
上記浄化処理についての結果を次の表−１に示す。The results of the above purification treatment are shown in Table 1 below.
表−１
表−１かられかるように比抵抗及びＰＨをほとんど変え
ることなく、四塩化炭素抽出物を大幅に低減させること
ができ、上下水の中間の中水基準を満たすものであった
。Table 1 As shown in Table 1, carbon tetrachloride extracts could be significantly reduced without changing the specific resistance or PH, and the standards for gray water, which is intermediate between water and sewage water, were met.
（実施例２） 処理剤として、上記実施例１と同様のものを使用した。(Example 2) As the processing agent, the same one as in Example 1 above was used.
また、処理対象排水として、１１の水道水に非イオン系
界面活性剤を主成分とする洗剤（花王石鹸株式会社製の
商品名：ママレモンローヤル）を３〜４滴混合したもの
を使用した。In addition, 3 to 4 drops of a detergent (trade name: Mama Lemon Royal, manufactured by Kao Soap Co., Ltd., manufactured by Kao Soap Co., Ltd.) containing a nonionic surfactant as a main component was mixed with 11 tap water and used as wastewater to be treated.
この処理対象排水に対し、前記処理剤２．２ｇを１０倍
に希釈したものを２〜３滴注入して攪拌混合したところ
、フロックが沈降し始め、数分後にはフロックと水との
分離が行われ、同分離された水は無色透明であった。When 2 to 3 drops of 2.2 g of the treatment agent diluted 10 times were poured into the wastewater to be treated and stirred and mixed, the flocs began to settle, and after a few minutes, the flocs and water were separated. The water separated was clear and colorless.
（実施例３） 処理剤として、上記実施例１と同様のものを使用した。(Example 3) As the processing agent, the same one as in Example 1 above was used.
また、処理対象排水として、薄い茶色で若干の泥砂の細
粒からなる沈澱物及び油分を含むガソリンスタンドの排
水を使用した。In addition, as the wastewater to be treated, wastewater from a gas station was used which was light brown in color and contained sediment consisting of fine grains of mud and sand and oil.
この処理対象排水２ｏβに対し、前記処理剤２゜２ｇを
１０倍に希釈したものを２〜３滴注入して攪拌混合した
ところ、フロックが沈降し始めた。When 2 to 3 drops of 2.2 g of the treatment agent diluted 10 times were poured into the wastewater to be treated and mixed with stirring, the flocs began to settle.
なお、排水に対するタンニン及びカチオン系高分子凝集
剤の濃度は、前記実施例１と同様である。The concentrations of tannin and cationic polymer flocculant in the wastewater were the same as in Example 1 above.
次に、前記実施例１と同様の工程を経て処理操作を行っ
た。ただし、薬剤注入工程１からの処理水を遠心分離工
程２に導き、遠心分離機６によって生成したフロックの
遠心分離操作を行った後に細砂濾過工程３へ導入する点
及び吸着濾過工程４における吸着濾過器８を通過する空
間速度（ＳＶ）を３とした点については、前記実施例１
と異なっている。Next, processing operations were performed through the same steps as in Example 1 above. However, the treated water from the chemical injection step 1 is introduced into the centrifugal separation step 2, the flocs generated by the centrifuge 6 are centrifuged, and then introduced into the fine sand filtration step 3, and the adsorption in the adsorption filtration step 4. Regarding the point that the space velocity (SV) passing through the filter 8 was set to 3, the above Example 1
It is different from
その結果、次の表−２に示すような処理水Ｗが得られた
。As a result, treated water W as shown in Table 2 below was obtained.
表−２
表−２かられかるように、前記実施例１と同様比抵抗及
びＰＨをほとんど変えることなく、四塩化炭素抽出物を
大幅に低減させることができ、中水基準を満たすもので
あった。Table 2 As can be seen from Table 2, carbon tetrachloride extracts could be significantly reduced without changing the specific resistance or PH, similar to Example 1, and the product met gray water standards. Ta.
上記のように、本実施例によれば、排水中の洗剤に含ま
れる界面活性剤やワックス、潤滑油等の油分を、タンニ
ンを含浸させた珪藻土にカチオン系高分子凝集剤を配合
した処理剤を使用することによって、処理剤注入後のフ
ロック形成速度が早く、生成したフロック強度が強く、
しかもフロックの沈降性がよく、さらに前記処理剤が安
価である。As described above, according to this example, oils such as surfactants, waxes, and lubricating oils contained in detergents in wastewater are removed by a treatment agent made by blending diatomaceous earth impregnated with tannin with a cationic polymer flocculant. By using , the floc formation speed after treatment agent injection is fast, the strength of the generated floc is strong,
Furthermore, the flocs have good sedimentation properties, and the processing agent is inexpensive.
発明の効果
本発明によれば、排水中の界面活性剤及び／又は油分を
、フロック形成速度が早く、フロック強度が強く、しか
も沈降分離性のよい処理をすることができ、かつ処理剤
が安価であるという優れた効果を奏する。Effects of the Invention According to the present invention, it is possible to treat surfactants and/or oil in wastewater with a fast floc formation rate, strong floc strength, and good sedimentation separation properties, and the treatment agent is inexpensive. It has the excellent effect of
図は本発明の実施例における排水の浄化処理方法を示す
工程図である。The figure is a process diagram showing a method for purifying wastewater in an embodiment of the present invention.
Claims (1)
子凝集剤を配合した処理剤を、界面活性剤及び／又は油
分を含有する排水に添加し、それらを凝集分離すること
を特徴とする界面活性剤及び／又は油分を含む排水の浄
化処理方法。 ２、タンニンの含有量が、珪藻土又はカオリン粉末に対
して２．５〜５重量％である特許請求の範囲第１項に記
載の界面活性剤及び／又は油分を含む排水の浄化処理方
法。 ３、高分子凝集剤の配合割合が、珪藻土又はカオリン粉
末に対して０．２５〜０．５重量％である特許請求の範
囲第１項に記載の界面活性剤及び／又は油分を含む排水
の浄化処理方法。 ４、高分子凝集剤がカチオン系高分子凝集剤である特許
請求の範囲第１項に記載の界面活性剤及び／又は油分を
含む排水の浄化処理方法。[Claims] 1. Adding a treatment agent containing a polymer flocculant to diatomaceous earth or kaolin powder containing tannins to wastewater containing a surfactant and/or oil, and coagulating and separating them. A method for purifying wastewater containing a surfactant and/or oil. 2. The method for purifying wastewater containing a surfactant and/or oil according to claim 1, wherein the tannin content is 2.5 to 5% by weight based on the diatomaceous earth or kaolin powder. 3. The wastewater containing surfactant and/or oil according to claim 1, wherein the blending ratio of the polymer flocculant is 0.25 to 0.5% by weight based on diatomaceous earth or kaolin powder. Purification treatment method. 4. The method for purifying wastewater containing a surfactant and/or oil according to claim 1, wherein the polymer flocculant is a cationic polymer flocculant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14951387A JPS63315192A (en) | 1987-06-16 | 1987-06-16 | Treatment of waste water containing surface active agent and/or oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14951387A JPS63315192A (en) | 1987-06-16 | 1987-06-16 | Treatment of waste water containing surface active agent and/or oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63315192A true JPS63315192A (en) | 1988-12-22 |
Family
ID=15476784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14951387A Pending JPS63315192A (en) | 1987-06-16 | 1987-06-16 | Treatment of waste water containing surface active agent and/or oil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63315192A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256304A (en) * | 1992-06-05 | 1993-10-26 | Betz Laboratories, Inc. | Methods of removing oil and metal ions from oily wastewater |
| US5433863A (en) * | 1993-11-17 | 1995-07-18 | Nalco Chemical Company | Method for clarifying wastewater containing surfactants |
-
1987
- 1987-06-16 JP JP14951387A patent/JPS63315192A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256304A (en) * | 1992-06-05 | 1993-10-26 | Betz Laboratories, Inc. | Methods of removing oil and metal ions from oily wastewater |
| US5433863A (en) * | 1993-11-17 | 1995-07-18 | Nalco Chemical Company | Method for clarifying wastewater containing surfactants |
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