JPH02107395A - Capsulated neutralization agent - Google Patents
Capsulated neutralization agentInfo
- Publication number
- JPH02107395A JPH02107395A JP26027188A JP26027188A JPH02107395A JP H02107395 A JPH02107395 A JP H02107395A JP 26027188 A JP26027188 A JP 26027188A JP 26027188 A JP26027188 A JP 26027188A JP H02107395 A JPH02107395 A JP H02107395A
- Authority
- JP
- Japan
- Prior art keywords
- capsule
- waste liquids
- neutralization
- value
- waste liquid
- 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
- 239000000159 acid neutralizing agent Substances 0.000 title abstract 3
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 239000002775 capsule Substances 0.000 claims abstract description 30
- 239000002440 industrial waste Substances 0.000 claims abstract description 17
- 230000003472 neutralizing effect Effects 0.000 claims abstract description 13
- 230000002378 acidificating effect Effects 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000003814 drug Substances 0.000 claims description 10
- 229940079593 drug Drugs 0.000 claims description 10
- 239000002699 waste material Substances 0.000 abstract description 18
- 238000006386 neutralization reaction Methods 0.000 abstract description 12
- 239000000126 substance Substances 0.000 abstract description 9
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 abstract description 2
- 239000004327 boric acid Substances 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 abstract 2
- 238000007598 dipping method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 239000003795 chemical substances by application Substances 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000010828 elution Methods 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- JYIZNFVTKLARKT-UHFFFAOYSA-N phenol;1,3,5-triazine-2,4,6-triamine Chemical compound OC1=CC=CC=C1.NC1=NC(N)=NC(N)=N1 JYIZNFVTKLARKT-UHFFFAOYSA-N 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、主として強アルカリ性または強酸性の産業
廃液のための中和剤に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] This invention relates primarily to a neutralizing agent for strongly alkaline or strongly acidic industrial waste liquids.
［従来の技術］
一般に、産業廃液の中和処理方法としては、次のような
方法が広く用いられている。[Prior Art] Generally, the following methods are widely used as a method for neutralizing industrial waste liquid.
■ 産業廃液内に集注ポンプで中和用薬剤を注入する方
式であって、被処理廃液ＯｐＨ値をセンサーで検出して
前記薬注ポンプの薬注星或いは薬注時間を制：ｉｌｌす
る。(2) A system in which neutralizing chemicals are injected into the industrial waste liquid using a collection pump, and the OPH value of the waste liquid to be treated is detected by a sensor to control the chemical injection time or the chemical injection time of the chemical injection pump.
■ 強酸性の産業廃液を石灰石層に通して中和処理する
。■ Strongly acidic industrial waste liquid is neutralized by passing it through a limestone layer.
■ 強アルカリ性の産業廃液中に炭酸ガスを注入して中
和処理する。■ Neutralize strongly alkaline industrial waste liquid by injecting carbon dioxide gas.
〔発明が解決しようとする課題］
上述の中和処理方法のうち、■のｐｌ＋センサーと薬注
ポンプとを用いて自動制御する方法は、ｐｉ１センサー
の保守に手間がかかり、制？１１１系が誤動作した場合
に中和用薬剤による２次公害の恐れがある。[Problems to be Solved by the Invention] Among the above-mentioned neutralization processing methods, the method of automatic control using a pl+ sensor and a chemical injection pump requires time and effort to maintain the pi1 sensor, and is unrestricted. If the 111 system malfunctions, there is a risk of secondary pollution caused by neutralizing chemicals.
これに対し、■の石灰石層を用いる方法は、反応が遅く
、中和処理に時間がかかるという欠点がある。また、■
の炭酸ガスを用いる方法はコストが高いという問題があ
り、それぞれ何らかの欠点を有している。On the other hand, method (2) using a limestone layer has the disadvantage that the reaction is slow and the neutralization process takes time. Also, ■
The methods using carbon dioxide gas have the problem of high cost, and each method has some drawbacks.
この発明は、上述の問題点に鑑み、特別な制御装置を必
要とせず、また２次公害のない中和処理を実現しようと
するもので、具体的には、酸性又はアルカリ性の産業廃
液中において溶融可能な材料によりカプセルを形成し、
その内部に、該産業廃液の中和のために必要な量の薬剤
を充填したことを特徴とするカプセル入り中和剤を提供
するものである。In view of the above-mentioned problems, this invention aims to realize neutralization treatment that does not require a special control device and does not cause secondary pollution. forming a capsule with a meltable material;
The object of the present invention is to provide a neutralizing agent in a capsule, which is characterized in that a necessary amount of a drug for neutralizing the industrial waste liquid is filled inside the neutralizing agent.
上記の構成によるカプセル入り中和剤は、強アルカリ性
または強酸性の産業廃液の排出ラインに対して適用され
るもので、このカプセル入り中和剤が、所定のｐＨ値（
例えばｐＨ１０以上、或いはｐ１１４以下）の産業廃液
に浸漬されると、外殻を形成するカプセルが溶融し、内
部の薬剤が露出して廃液と混合される（第６図参照）。The encapsulated neutralizer with the above structure is applied to the discharge line of strongly alkaline or strongly acidic industrial waste liquid, and this encapsulated neutralizer has a predetermined pH value (
When the capsule is immersed in an industrial waste liquid having a pH of 10 or more or a pH of 114 or less, the capsule forming the outer shell melts, and the drug inside is exposed and mixed with the waste liquid (see Figure 6).
これによって、流出した薬剤は廃液と反応し、廃液のｐ
Ｆｌ値を下げ°ζ（或いは上げて）中和処理が為される
ようになり、ρ１１値が６〜８になるとカプセル溶出が
止まり、過度に薬剤が流出しなくなる。As a result, the spilled drug reacts with the waste liquid, and the pH of the waste liquid is
Neutralization treatment is performed by lowering the Fl value °ζ (or increasing it), and when the ρ11 value reaches 6 to 8, capsule elution stops and the drug no longer flows out excessively.
以下、この発明の好ましい実施例を図面に基づいて説明
する。Preferred embodiments of the present invention will be described below with reference to the drawings.
図中（１）はカプセル入り中和剤であり、カプセル（２
）内に薬剤（３）を充填して構成する。前記カプセルは
所定ＯｐＨ値の産業廃液中に加速度的に溶出する材料を
用い、例えば強アルカリ性の産業廃液においてはｐＨｌ
０以上で、強酸性の産業廃液においてはｐＨ４以下でそ
れぞれ溶出し、ｐＨ６〜８では化学的に安定した材料を
用いる。カプセル材料の具体例としては、強アルカリ性
産業廃液用にはポリアミドイミド、ポリエステル、セル
ロース等が、強酸性産業廃液用にはポリアミド、メラミ
ンフェノール共縮合物等がある。また、内部に充填する
中和用薬剤の具体例としては、強アルカリ性産業廃液用
にはホウ酸、クエン酸、フクル酸等を、強酸性産業廃液
用には水酸化ナトリウム、水酸化カリウム等を用いる。In the figure, (1) is a neutralizer in capsules, and capsules (2)
) is filled with the drug (3). The capsule uses a material that dissolves at an accelerated rate into industrial waste liquid having a predetermined OpH value. For example, in strongly alkaline industrial waste liquid, the pH value
0 or more, and in strongly acidic industrial waste liquids, they elute at pH 4 or less, and materials are used that are chemically stable at pH 6 to 8. Specific examples of capsule materials include polyamideimide, polyester, cellulose, etc. for strongly alkaline industrial wastewater, and polyamide, melamine-phenol cocondensates, etc. for strongly acidic industrial wastewater. Specific examples of neutralizing agents to be filled inside include boric acid, citric acid, fucuric acid, etc. for strongly alkaline industrial waste liquids, and sodium hydroxide, potassium hydroxide, etc. for strongly acidic industrial waste liquids. use
上記のカプセル入り中和剤の製造方法の一例としては、
粉末玉状の薬剤にカプセル材料をスプレーコーティング
し、その１つぶ１つぶを転勤させて形を整えるようにす
るとともにカプセル材料を凝固させる方法を用いること
ができる。この方法により製造したカプセル入り中和剤
の粒子径は２００μ程度になる。An example of the method for producing the above capsule-filled neutralizer is as follows:
A method can be used in which a capsule material is spray coated on a powdered drug, and each pellet is transferred to adjust the shape, and the capsule material is coagulated. The particle size of the encapsulated neutralizer produced by this method is about 200 μm.
第２〜４図に示す実施例は、一端に流入管（５）を他端
に流出管（６）を接続した円筒部材（４）中に、カプセ
ル入り中和剤を多数充填したものである。（７）はカプ
セル入り中和剤を保持するための網状部材である。第２
図に示す実施例は強アルカリ性廃液用のカプセル入り中
和剤（ｌａ）を、第３図に示す実施例は強酸性廃液用の
カプセル入り中和剤（ｌｂ）を充填したものであり、第
１１図に示す実施例は両方のカプセル入り中和剤を混在
させて充填したもので、廃液が強アルカリ性であっても
強酸性であってもどちらの廃液にも用いることができる
。In the embodiment shown in Figures 2 to 4, a large number of encapsulated neutralizers are filled in a cylindrical member (4) connected to an inflow pipe (5) at one end and an outflow pipe (6) at the other end. . (7) is a net-like member for holding the encapsulated neutralizer. Second
The example shown in the figure is filled with a capsule-filled neutralizer (la) for strongly alkaline waste liquid, and the example shown in Figure 3 is filled with a capsule-filled neutralizer (lb) for strongly acidic waste liquid. The embodiment shown in Figure 11 is filled with a mixture of both capsule neutralizers, and can be used for either strongly alkaline or strongly acidic waste liquid.
また、カプセルが溶出し薬剤が廃液と反応するためには
、ある程度の反応時間を必要とするが、第５図に示すよ
うに、円筒部材（４）内に下方より廃液を供給し、完全
に中和処理が為されるまで廃液を円筒部材に溜めておき
、中和処理後、処理された分の廃液だけ上方より排出す
るようにしてもよい。In addition, a certain amount of reaction time is required for the capsule to elute and for the drug to react with the waste liquid, but as shown in Figure 5, the waste liquid is supplied from below into the cylindrical member (4) to completely complete the reaction. The waste liquid may be stored in the cylindrical member until the neutralization process is performed, and after the neutralization process, only the processed amount of the waste liquid may be discharged from above.
この発明は、以とのような構成であり、所定のｐｎ値の
廃液に浸漬すると、薬剤を被っているカプセルが溶融し
薬剤が自然と流出して中和処理が為されるので、特別な
センサー或いは制御装置を必要とせず、低コストで中和
処理を行うことができる。また、カプセルはｐｔ＋６〜
８では化学的に安定しているので、中和処理が完了し廃
液のｐｎが６〜８になれば、カプセルの溶出が止まり、
過度に薬剤が流出しないので、中和薬剤の過度流出によ
る２次公害の心配もない。This invention has the following configuration, and when immersed in waste liquid with a predetermined pn value, the capsule covering the drug melts and the drug naturally flows out, performing neutralization treatment. Neutralization can be performed at low cost without the need for sensors or control devices. Also, capsules are from pt+6
8 is chemically stable, so once the neutralization process is completed and the pn of the waste liquid reaches 6 to 8, the elution of the capsules will stop.
Since the chemical does not leak excessively, there is no worry of secondary pollution due to excessive leakage of the neutralizing agent.
第１図はこの発明におけるカプセル入り中和剤の縦断面
図、第２図から第５図はこの発明におけるカプセル入り
中和剤の使用状態を示す縦断面図、第６図はこの発明に
おけるカプセル入り中和剤の溶出状態を示す縦断面図で
ある。
（１）・・・カプセル入り中和剤
（２）・・・カプセル （３）・・・ｉ剤特許
出願人 三浦工業株式会社
第
図
第
図
第 ３
図
第
図
廃 １夜
凸
り
液
凸
廃
液
凸
凸
凸
凸
第
図
第
図FIG. 1 is a longitudinal cross-sectional view of the capsule-containing neutralizer according to the present invention, FIGS. 2 to 5 are longitudinal cross-sectional views showing how the capsule-containing neutralizer according to the present invention is used, and FIG. 6 is a longitudinal cross-sectional view of the capsule-containing neutralizer according to the present invention. FIG. 3 is a longitudinal cross-sectional view showing the state of elution of the neutralizing agent. (1)...Neutralizing agent in capsules (2)...Capsules (3)...I agent patent applicant Miura Kogyo Co., Ltd. convex convex convex diagram diagram
Claims (1)
料によりカプセル（２）を形成し、その内部に、該産業
廃液の中和のために必要な量の薬剤（３）を充填したこ
とを特徴とするカプセル入り中和剤。A capsule (2) is formed from a material that can be melted in acidic or alkaline industrial waste liquid, and the inside thereof is filled with a drug (3) in an amount necessary for neutralizing the industrial waste liquid. Neutralizer in capsules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26027188A JPH02107395A (en) | 1988-10-14 | 1988-10-14 | Capsulated neutralization agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26027188A JPH02107395A (en) | 1988-10-14 | 1988-10-14 | Capsulated neutralization agent |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP41621190A Division JPH04135693A (en) | 1990-12-28 | 1990-12-28 | Neutralization treatment of industrial waste liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02107395A true JPH02107395A (en) | 1990-04-19 |
| JPH0355196B2 JPH0355196B2 (en) | 1991-08-22 |
Family
ID=17345741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26027188A Granted JPH02107395A (en) | 1988-10-14 | 1988-10-14 | Capsulated neutralization agent |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02107395A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05177190A (en) * | 1991-12-11 | 1993-07-20 | Miura Co Ltd | Intracapsular neutralizer for neutralizing waste liquid |
| JP2006035192A (en) * | 2004-07-30 | 2006-02-09 | Kuraray Co Ltd | Neutralization method |
| JP2006102705A (en) * | 2004-10-08 | 2006-04-20 | Noda:Kk | Cement draining sheet and cement draining treatment method |
| CN102585467A (en) * | 2011-12-29 | 2012-07-18 | 安徽淮河化工股份有限公司 | Treating method of waste water produced in producing unsaturated polyester resin of resin anchoring agent |
-
1988
- 1988-10-14 JP JP26027188A patent/JPH02107395A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05177190A (en) * | 1991-12-11 | 1993-07-20 | Miura Co Ltd | Intracapsular neutralizer for neutralizing waste liquid |
| JP2006035192A (en) * | 2004-07-30 | 2006-02-09 | Kuraray Co Ltd | Neutralization method |
| JP2006102705A (en) * | 2004-10-08 | 2006-04-20 | Noda:Kk | Cement draining sheet and cement draining treatment method |
| CN102585467A (en) * | 2011-12-29 | 2012-07-18 | 安徽淮河化工股份有限公司 | Treating method of waste water produced in producing unsaturated polyester resin of resin anchoring agent |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0355196B2 (en) | 1991-08-22 |
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