JPH0483085A - Disposal of mud - Google Patents
Disposal of mudInfo
- Publication number
- JPH0483085A JPH0483085A JP2194998A JP19499890A JPH0483085A JP H0483085 A JPH0483085 A JP H0483085A JP 2194998 A JP2194998 A JP 2194998A JP 19499890 A JP19499890 A JP 19499890A JP H0483085 A JPH0483085 A JP H0483085A
- Authority
- JP
- Japan
- Prior art keywords
- fibers
- mud
- charged
- bentonite
- waste mud
- 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
- 239000000835 fiber Substances 0.000 claims description 32
- 239000002699 waste material Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 229910000278 bentonite Inorganic materials 0.000 claims description 12
- 239000000440 bentonite Substances 0.000 claims description 12
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 239000002689 soil Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 238000005842 biochemical reaction Methods 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は使用済みベントナイト泥水の処理方法に関する
。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a method for treating used bentonite mud.
〈従来の技術〉
ベントナイト泥水は、モンモリトナイト鉱物を主成分と
するもので、ベントナイトの膨潤性、懸濁性、粘性、ヂ
クソトロビー性を活かして、各種の土木工事に用いられ
ている。<Prior Art> Bentonite mud is mainly composed of montmorillonite mineral, and is used in various civil engineering works by taking advantage of bentonite's swelling, suspending, viscosity, and xotropic properties.
現在、使用済みのベントナイト泥水は、明パンなどの凝
集剤の混入により廃泥を沈殿させ、泥土状にしたものを
そのまま投棄している。Currently, used bentonite mud is mixed with flocculants such as light bread to precipitate the waste mud, which is then dumped as is.
〈本発明が解決しようとする問題点〉
前記した従来の廃泥の処理方法にはつぎのような問題点
がある。<Problems to be Solved by the Present Invention> The conventional waste mud treatment method described above has the following problems.
〈イ〉 降雨などにより投棄された廃泥のゾル化が進み
、環境汚染の危険がある。<B> Due to rainfall, etc., the waste mud that is dumped becomes solized, and there is a risk of environmental pollution.
〈口〉 凝集剤を用いても、廃泥はゲル状を呈して安定
した形状を維持できないため、その取り扱や運搬がし難
い。<Exposure> Even if a flocculant is used, waste mud becomes gel-like and cannot maintain a stable shape, making it difficult to handle and transport.
〈ハ〉 一般廃棄物の処理場所確保が困難な現在、多量
の水分を含む泥土の投棄場所を確保することは甚だ困難
になりつつある。<C> Currently, it is difficult to secure a place to dispose of general waste, and it is becoming extremely difficult to secure a place to dump mud containing a large amount of water.
このような現状から、安全に泥土を処理できる技術の提
案が望まれている。Given this current situation, it is desired to propose a technology that can safely process mud.
〈本発明の目的〉
本発明は以上の点に鑑みて成されたもので、その目的と
するところはつぎの廃泥の処理方法を提供することにあ
る。<Objective of the present invention> The present invention has been made in view of the above points, and its object is to provide the following waste mud treatment method.
〈イ〉 沈殿した泥土を簡易に凝結（フロック）して安
全性の高い状態で廃棄できる、廃泥の処理方法。<A> A waste mud treatment method that allows settled mud to be easily flocculated and disposed of in a highly safe manner.
〈口〉 一般土壌として利用できる、廃泥の処理方法。<Exposure> A method for processing waste mud that can be used as general soil.
〈問題点を解決するための手段〉
即ち本発明は繊維にプラス電荷を帯電して団粒化させた
帯電繊維を使用し、プラス電荷の帯電した使用済みベン
トナイト泥水中に前記帯電繊維を投入し、繊維の表面お
よび内部にベントナイトを付着させてフロックを構成さ
せることを特徴とする、廃泥の処理方法である。<Means for Solving the Problems> That is, the present invention uses charged fibers made by positively charging the fibers and agglomerating them, and inserting the charged fibers into the positively charged spent bentonite mud. , is a waste mud treatment method characterized by attaching bentonite to the surface and inside of fibers to form flocs.
さらに本発明はカーボン、フェライト、金属粉を付着し
た繊維にプラス電荷を帯電して団粒化させた帯電繊維を
使用することを特徴とする、廃泥の処理方法である。Furthermore, the present invention is a waste mud treatment method characterized by using charged fibers in which carbon, ferrite, or metal powder is attached to fibers that are positively charged and aggregated.
さらに本発明はフロックを構成した繊維を乾燥すること
を特徴とする、廃泥の処理方法である。Furthermore, the present invention is a waste mud processing method characterized by drying the fibers that constitute the flocs.
〈本発明の説明〉 以下、図面を参照しながら本発明について説明する。<Description of the present invention> The present invention will be described below with reference to the drawings.
〈イ〉帯電繊維
本発明では泥土の凝縮手段として帯電させた繊維１を用
いる。<A> Charged fibers In the present invention, charged fibers 1 are used as means for condensing mud.
この繊維１にはプラス電荷を付与しておく。This fiber 1 is given a positive charge.
〈口〉繊維
繊維１としては、例えば公知の各種素材を粉砕して団状
化したものも使用する。<Exposure> As the fibers 1, for example, those obtained by crushing various known materials and forming them into aggregates may be used.
〈ハ〉帯電方法 繊維１にはプラス電荷を付与しておく。<C> Charging method Fiber 1 is given a positive charge.
また繊維に例えばカーボン、フェライト、金属粉などの
粉体を付着させると、帯電効果がより高まる。Furthermore, if powder such as carbon, ferrite, or metal powder is attached to the fiber, the charging effect will be further enhanced.
〈作用〉 つぎに廃泥の処理方法について説明する。<Effect> Next, a method for treating waste mud will be explained.
〈イ〉帯電繊維の投入（第１図）
泥水槽３内の使用済みベントナイト泥水２はマイナス電
荷を帯電している。<A> Inserting charged fibers (Fig. 1) The used bentonite mud water 2 in the mud tank 3 is negatively charged.
この泥水槽３内に、プラス電荷の帯電した繊維１を投入
する。The positively charged fibers 1 are put into the muddy water tank 3.
〈口〉フロック（第２図）
その結果、ベントナイト泥水２中の微細懸濁粒子が繊維
１の表面や組織内部にベントナイトや土粒が付着し、フ
ロック（微細懸濁粒子が凝析、凝集、生化学反応によっ
て小さな塊となる現象）が構成される。<Port> Flock (Fig. 2) As a result, the fine suspended particles in the bentonite slurry 2 adhere to the surface of the fibers 1 and the soil particles, forming flocs (fine suspended particles coagulate, aggregate, (phenomenon of forming small lumps due to biochemical reactions).
フロックが構成されると、繊維１およびベントナイト泥
水２の電荷は消失する。Once the flocs are formed, the charges on the fibers 1 and bentonite slurry 2 disappear.
フロックを構成した繊維１は、水と分離して底部に沈殿
する。The fibers 1 forming the floc separate from the water and settle at the bottom.
沈殿した泥土を含む繊維１はそのまま投棄するか、或は
つぎに説明するように一般土壌として利用する。The fibers 1 containing the settled mud may be discarded as is or used as general soil as explained below.
〈ハ〉乾燥
回収した泥土を含む繊維１を一般土壌として利用する場
合は、繊維１を乾燥するとよい。<C> When using the fibers 1 containing dried and collected mud as general soil, it is preferable to dry the fibers 1.
〈本発明の効果〉
本発明は以上説明したようになるから次の効果が得られ
る。<Effects of the Present Invention> Since the present invention is as described above, the following effects can be obtained.
〈イ〉 プラスに帯電した繊維をベントナイト泥水中に
投入するだけで、容易に凝結して廃棄処理することがで
きる。<A> By simply throwing positively charged fibers into bentonite mud, they can easily coagulate and be disposed of.
この処理物は従来の凝集剤を用いたものと比較し、安全
性が極めて高い。This treated product is extremely safe compared to those using conventional flocculants.
そのため、環境汚染の心配がな（なる。Therefore, there is no need to worry about environmental pollution.
〈口〉 ベントナイトを吸着した繊維を乾燥すれば、埋
め戻し用各種の用途に一般土壌として利用できる。<Exposure> If the bentonite-adsorbed fibers are dried, they can be used as general soil for various backfill purposes.
第１図：帯電した繊維の投入前の説明図第２図：繊維を
投入した後の説明図
第２Figure 1: Explanatory diagram before charging the charged fibers Figure 2: Explanatory diagram after charging the fibers Second
Claims (3)
維を使用し、 プラス電荷の帯電した使用済みベントナイ ト泥水中に前記帯電繊維を投入し、 繊維の表面および内部にベントナイトを付 着させてフロックを構成させることを特徴とする、 廃泥の処理方法。(1) Using charged fibers made by positively charging the fibers and agglomerating them, the charged fibers are placed in positively charged used bentonite mud, and bentonite is attached to the surface and inside of the fibers. A method for treating waste mud, characterized by forming flocs using the slurry.
プラス電荷を帯電して団粒化させた帯電繊維を使用する
ことを特徴とする、請求項（１）の廃泥の処理方法。(2) The waste mud treatment method according to claim (1), characterized in that charged fibers are used, which are made by positively charging fibers to which carbon, ferrite, or metal powder has been attached and forming them into aggregates.
する、請求項（１）および（２）の廃泥の処理方法。(3) The method for treating waste mud according to claims (1) and (2), characterized in that the fibers forming the flocs are dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2194998A JPH0483085A (en) | 1990-07-25 | 1990-07-25 | Disposal of mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2194998A JPH0483085A (en) | 1990-07-25 | 1990-07-25 | Disposal of mud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0483085A true JPH0483085A (en) | 1992-03-17 |
Family
ID=16333835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2194998A Pending JPH0483085A (en) | 1990-07-25 | 1990-07-25 | Disposal of mud |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0483085A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06285497A (en) * | 1993-03-22 | 1994-10-11 | Nichias Corp | How to prevent sludge particles from floating |
| CN100586876C (en) | 2007-08-08 | 2010-02-03 | 中国科学院地球化学研究所 | A device for purifying water |
-
1990
- 1990-07-25 JP JP2194998A patent/JPH0483085A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06285497A (en) * | 1993-03-22 | 1994-10-11 | Nichias Corp | How to prevent sludge particles from floating |
| CN100586876C (en) | 2007-08-08 | 2010-02-03 | 中国科学院地球化学研究所 | A device for purifying water |
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