JPH02253813A - Adsorptive filter membrane - Google Patents
Adsorptive filter membraneInfo
- Publication number
- JPH02253813A JPH02253813A JP7791489A JP7791489A JPH02253813A JP H02253813 A JPH02253813 A JP H02253813A JP 7791489 A JP7791489 A JP 7791489A JP 7791489 A JP7791489 A JP 7791489A JP H02253813 A JPH02253813 A JP H02253813A
- Authority
- JP
- Japan
- Prior art keywords
- cellulose
- tannin
- brought
- epoxidized
- contact
- 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
- 239000012528 membrane Substances 0.000 title claims abstract description 22
- 230000000274 adsorptive effect Effects 0.000 title abstract description 3
- 229920002678 cellulose Polymers 0.000 claims abstract description 26
- 239000001913 cellulose Substances 0.000 claims abstract description 26
- 239000001648 tannin Substances 0.000 claims abstract description 22
- 229920001864 tannin Polymers 0.000 claims abstract description 22
- 235000018553 tannin Nutrition 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims description 20
- 239000003463 adsorbent Substances 0.000 claims description 15
- 239000000428 dust Substances 0.000 claims description 2
- 229910052768 actinide Inorganic materials 0.000 abstract description 12
- 150000001255 actinides Chemical class 0.000 abstract description 12
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003513 alkali Substances 0.000 abstract description 3
- 150000001412 amines Chemical class 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 abstract 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 abstract 1
- 230000003100 immobilizing effect Effects 0.000 abstract 1
- 229910052770 Uranium Inorganic materials 0.000 description 13
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 13
- 239000012085 test solution Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 239000002354 radioactive wastewater Substances 0.000 description 4
- 150000003671 uranium compounds Chemical class 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- -1 aminohexyl Chemical group 0.000 description 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- 229920000936 Agarose Polymers 0.000 description 1
- 229910052778 Plutonium Inorganic materials 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- BTNXBLUGMAMSSH-UHFFFAOYSA-N octanedinitrile Chemical compound N#CCCCCCCC#N BTNXBLUGMAMSSH-UHFFFAOYSA-N 0.000 description 1
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Filtering Materials (AREA)
Abstract
Description
【発明の詳細な説明】
（産業分野）
本発明は放射性廃水中に含有されるイオン状及びコロイ
ド状アクチニド元素の分離除去な可能ならしめる吸着性
濾過［ＩＫ関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Field) The present invention relates to adsorptive filtration [IK] that enables the separation and removal of ionic and colloidal actinide elements contained in radioactive wastewater.
Ｃ従来技術とその問題点）
原子力施設から排出される放射性廃水にはアクチニド元
素、すなわち、ウラン、トリウム又はプルトニウムがイ
オン状またはコロイド状で存在している。このような廃
水については、可能な限り該アクチニド元素濃度の低減
化が望まれている。C. Prior art and its problems) Actinide elements, that is, uranium, thorium, or plutonium, exist in the form of ions or colloids in radioactive wastewater discharged from nuclear facilities. Regarding such wastewater, it is desired to reduce the actinide element concentration as much as possible.
従来、種々の方法でアクチニド元素含有の廃水処理が行
なわれているが、その中に固定化タンニンによる鎮廃水
処理がある。固定化タンニンの代表的な担体として、セ
ルロース又はアガロース等があるが、これらは繊維状又
は粒状であり、イオン状アクチニド元素は吸着可能であ
るが、コロイド状アクチニド元素は吸着除去できない。Conventionally, various methods have been used to treat wastewater containing actinide elements, one of which is wastewater treatment using immobilized tannins. Typical carriers for immobilized tannins include cellulose and agarose, which are fibrous or granular, and can adsorb ionic actinide elements, but cannot adsorb and remove colloidal actinide elements.
（発明の目的）
本発明は、上記の従来方法の問題点を解決し、イオン状
及びコロイド状アクチニド元素の分離除去を可能ならし
める吸着性と濾過性との２つの機能な有する吸着性濾過
膜を提供することを目的とする。(Object of the Invention) The present invention solves the problems of the above-mentioned conventional methods, and provides an adsorbent filtration membrane having two functions of adsorption and filtration, which makes it possible to separate and remove ionic and colloidal actinide elements. The purpose is to provide
（発明の構成）
すなわち、本発明によれば、タンニンとセルロース担体
を模状に一体化して、該タン二ンナ該セルロース担体内
に固定化せしめてなる吸着性濾過膜、が得られる。(Structure of the Invention) That is, according to the present invention, an adsorbent filtration membrane is obtained in which tannin and a cellulose carrier are integrated in a pattern and the tannin is immobilized within the cellulose carrier.
本発明の吸着性濾過膜の縦断面図の１例を第１図に示−
ｔ−［２図はセルロースｍ体（セルロース製濾過膜）に
試薬又はタンニンな順次流すことによって、本発明のセ
ルロース担体内にタン二ンヲ固定化した吸着性濾過膜を
製造する方法の１例を示す。An example of a longitudinal cross-sectional view of the adsorbent filtration membrane of the present invention is shown in FIG.
Figure 2 shows an example of a method for producing an adsorbent filtration membrane in which tannin is immobilized within the cellulose carrier of the present invention by sequentially flowing a reagent or tannin through a cellulose m-body (cellulose filtration membrane). show.
この製造方法を更に具体的に示すと、次の如くである。This manufacturing method will be described more specifically as follows.
ｌｘｌ セルロースｆｆｉ体（セルロース製Ｆ’ｉｌ
［）ヲ２１５憾Ｎａ０ＨＫ３０分浸漬してアルカリセル
ロースとする。lxl Cellulose ffi (cellulose F'il)
[215] Soak in Na0HK for 30 minutes to obtain alkali cellulose.
（２） アルカリセルロースをエピクロルヒドリンと
３０分〜１２０分接触せしめてエポキシ化セルロースと
する。(2) Alkaline cellulose is brought into contact with epichlorohydrin for 30 to 120 minutes to form epoxidized cellulose.
１３）エポキシ化セルロースをヘキサメチレンシア２ン
と３０分〜１２０分接触せしめてアｔノヘキシルセルロ
ースとする、
（４） アミンヘキフルセルロースなエピクロルヒド
リンと３０分〜１２０分接触せしめてエポキシ化アミノ
ヘキシルセルローストスル、
（５）エポキシ化アミノヘキクルセルロースをタンニン
溶液と２時間〜２４時間接触せしめて本発明の固定化タ
ン二ノセルロースｒ過膜、すなわち吸着性濾過膜とする
。13) Epoxidized cellulose is brought into contact with hexamethylene cyanide for 30 to 120 minutes to obtain atnohexyl cellulose. (4) Epoxidized aminohexyl cellulose is brought into contact with amine hexylcellulose epichlorohydrin for 30 to 120 minutes. Cellulose Tossle (5) Epoxidized aminohexyl cellulose is brought into contact with a tannin solution for 2 to 24 hours to obtain the immobilized tandinocellulose r-filtration membrane of the present invention, that is, an adsorbent filtration membrane.
タンニンとしては加水分解型タンニンまたは縮合塵タン
ニンな使用する。Hydrolyzed tannins or condensed dust tannins are used as tannins.
次に、本発明の吸着性濾過膜の性能の一例を第１表に示
す。これを図示すれば第２図のごとくなり、吸着濾過が
アルカリ側だけでなく、酸側までを含めた広い範囲で向
上したことな示している。Next, an example of the performance of the adsorbent filtration membrane of the present invention is shown in Table 1. This is illustrated in Figure 2, which shows that adsorption filtration has been improved in a wide range of areas, including not only the alkaline side but also the acid side.
第１表
試験液：放射性廃水アクチニド元素
濃度２００ ｐｐｂ
次に、本発明な実施例により具体的に説明するが、以下
の実施例は本発明の範囲を限定するものではない。Table 1 Test solution: Radioactive wastewater actinide element concentration 200 ppb Next, the present invention will be specifically explained using examples, but the following examples do not limit the scope of the present invention.
実施例１
コロイド状ウラン化合物２００ｐｐｂ含有のウラン試験
液ｓ ｏ ０ｉｔｃ ｐＨｓ ）を１本発明の吸着性濾
過膜に通液させた。処理後の試験液におけるウラ／濃度
は２３ｐｐｂであり、ウラン除去率は８８．５優であっ
た。Example 1 A uranium test solution containing 200 ppb of colloidal uranium compounds (so 0itc pHs) was passed through the adsorbent filtration membrane of the present invention. The uranium/concentration in the test solution after treatment was 23 ppb, and the uranium removal rate was 88.5 excellent.
実施例２
コロイド状ウラン化合物２００ｐｐｂ含有のウラン試験
液ｓ ｏ ｏｒｓｌ（ｐＨ１ｏ ）を、本発明の吸着性
濾過膜に通液させた。処理後の試験液におけるウラン濃
度は４０ｐｐｂであり、ウラン除去率は８０囁であった
。Example 2 A uranium test solution containing 200 ppb of colloidal uranium compounds (pH 1o) was passed through the adsorbent filtration membrane of the present invention. The uranium concentration in the test solution after treatment was 40 ppb, and the uranium removal rate was 80 hiss.
実施例３
コロイド状ウラン化合物２００ｐｐｂ含有のウラン試験
液ｓ ｏ ｏｗｌ（１）Ｈ４）を、本発明の吸着性濾過
膜に通液させた。処理後の試験液におけるウラン濃度は
４４ｐｐｂでありウラン除去率は７８％であった。Example 3 A uranium test solution (sowl(1)H4) containing 200 ppb of colloidal uranium compounds was passed through the adsorbent filtration membrane of the present invention. The uranium concentration in the test solution after treatment was 44 ppb, and the uranium removal rate was 78%.
比較例１
コロイド状ウラン化合物２００ｐｐｂ含有のウラン試験
液５００１１６（ｐＨ６）な、従来の固定化タンニンに
２時間接触させた。処理後の試験液におけるウラン濃度
は１１６ｐｐｂであり、ウラン除去率は４２優であった
。Comparative Example 1 A conventional immobilized tannin, uranium test solution 500116 (pH 6), containing 200 ppb of colloidal uranium compounds was contacted for 2 hours. The uranium concentration in the test solution after treatment was 116 ppb, and the uranium removal rate was 42 points.
（発明の効果）
本発明の吸着性濾過膜は、上記の構成により、吸着性と
ｒ過性との２つの機能を有しているので、放射性廃水中
のイオン状アクチニド元素の吸着除去はもちろんのこと
、従来固定化タンニン処理法ではその分離除去が困難と
されていたコロイド状アクチニド元素の分離除去も同時
に可能である。(Effects of the Invention) Due to the above structure, the adsorbent filtration membrane of the present invention has two functions of adsorption and r-permeability, so it can not only adsorb and remove ionic actinide elements in radioactive wastewater. At the same time, it is also possible to separate and remove colloidal actinide elements, which were difficult to separate and remove using conventional fixed tannin treatment methods.
第１図は本発明の吸着性濾過膜の一例の縦断面図、第２
図は本発明の吸着性濾過膜の製造方法の一例を示す工程
図、第３図は放射性廃水（アクチニド元素濃度ｚｏｏｐ
ｐｂ）を本発明の吸着性濾過膜と従来の固定化タンニン
で処理した場合の排水のｐＨ値とアクチニド元素除去率
との関係を示すグラフ図である。FIG. 1 is a vertical cross-sectional view of an example of the adsorbent filtration membrane of the present invention, and FIG.
The figure is a process diagram showing an example of the method for manufacturing the adsorbent filtration membrane of the present invention.
FIG. 3 is a graph showing the relationship between the pH value of wastewater and the actinide element removal rate when treated with the adsorbent filtration membrane of the present invention and a conventional immobilized tannin.
Claims (2)
該タンニンを該セルロース担体内に固定化せしめてなる
吸着性濾過膜。(1) Tannin and cellulose carrier are integrated into a membrane,
An adsorbent filtration membrane comprising the tannin immobilized within the cellulose carrier.
ニンである請求項（１）に記載の吸着性濾過膜。(2) The adsorbent filtration membrane according to claim (1), wherein the tannin is a hydrolyzed tannin or a condensed dust tannin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1077914A JPH0634891B2 (en) | 1989-03-29 | 1989-03-29 | Adsorption property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1077914A JPH0634891B2 (en) | 1989-03-29 | 1989-03-29 | Adsorption property |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02253813A true JPH02253813A (en) | 1990-10-12 |
| JPH0634891B2 JPH0634891B2 (en) | 1994-05-11 |
Family
ID=13647343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1077914A Expired - Lifetime JPH0634891B2 (en) | 1989-03-29 | 1989-03-29 | Adsorption property |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0634891B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0530118A2 (en) * | 1991-08-23 | 1993-03-03 | Mitsubishi Nuclear Fuel Company, Ltd. | Method for adsorbing and separating heavy metal elements by using a tannin adsorbent and method of regenerating the adsorbent |
| CN1077451C (en) * | 1998-05-14 | 2002-01-09 | 四川省纺织工业研究所 | Modified cellulose adsorbent and its preparation and regeneration |
| WO2011102807A1 (en) * | 2010-02-19 | 2011-08-25 | Temasek Polytechnic | A substrate for immobilizing functional substances and method for preparing the same |
| JP2013184149A (en) * | 2012-03-09 | 2013-09-19 | Central Research Institute Of Electric Power Industry | Contaminant adsorption sheet |
| RU2691369C1 (en) * | 2018-10-24 | 2019-06-11 | федеральное государственное автономное образовательное учреждение высшего образования "Российский государственный университет нефти и газа (национальный исследовательский университет) имени И.М. Губкина" | Method of producing filter material |
| JP2021120662A (en) * | 2020-01-31 | 2021-08-19 | 日立Ｇｅニュークリア・エナジー株式会社 | Radioactive waste liquid treatment system and method for treating radioactive waste liquid |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108031450A (en) * | 2017-11-15 | 2018-05-15 | 四川大学 | A kind of solidified tannin polyamide miillpore filter and its preparation method and application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS534789A (en) * | 1976-05-12 | 1978-01-17 | Honshu Paper Co Ltd | Adsorptive nonnwoven fabrics and its manufacture |
| JPS5752357A (en) * | 1980-09-12 | 1982-03-27 | Toshiba Corp | Testing device for characteristic of cage rotor |
| JPS61149078A (en) * | 1984-12-21 | 1986-07-07 | Tanabe Seiyaku Co Ltd | Quality improvement of wine |
-
1989
- 1989-03-29 JP JP1077914A patent/JPH0634891B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS534789A (en) * | 1976-05-12 | 1978-01-17 | Honshu Paper Co Ltd | Adsorptive nonnwoven fabrics and its manufacture |
| JPS5752357A (en) * | 1980-09-12 | 1982-03-27 | Toshiba Corp | Testing device for characteristic of cage rotor |
| JPS61149078A (en) * | 1984-12-21 | 1986-07-07 | Tanabe Seiyaku Co Ltd | Quality improvement of wine |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0530118A2 (en) * | 1991-08-23 | 1993-03-03 | Mitsubishi Nuclear Fuel Company, Ltd. | Method for adsorbing and separating heavy metal elements by using a tannin adsorbent and method of regenerating the adsorbent |
| CN1077451C (en) * | 1998-05-14 | 2002-01-09 | 四川省纺织工业研究所 | Modified cellulose adsorbent and its preparation and regeneration |
| WO2011102807A1 (en) * | 2010-02-19 | 2011-08-25 | Temasek Polytechnic | A substrate for immobilizing functional substances and method for preparing the same |
| US8440441B2 (en) | 2010-02-19 | 2013-05-14 | Temasek Polytechnic | Method of preparing a substrate for immobilization of functional substances thereon and the substrate obtained therefrom |
| US8561811B2 (en) | 2010-02-19 | 2013-10-22 | Temasek Polytechnic | Substrate for immobilizing functional substances and method for preparing the same |
| AU2011218501B2 (en) * | 2010-02-19 | 2014-10-23 | Temasek Polytechnic | A substrate for immobilizing functional substances and method for preparing the same |
| JP2013184149A (en) * | 2012-03-09 | 2013-09-19 | Central Research Institute Of Electric Power Industry | Contaminant adsorption sheet |
| RU2691369C1 (en) * | 2018-10-24 | 2019-06-11 | федеральное государственное автономное образовательное учреждение высшего образования "Российский государственный университет нефти и газа (национальный исследовательский университет) имени И.М. Губкина" | Method of producing filter material |
| JP2021120662A (en) * | 2020-01-31 | 2021-08-19 | 日立Ｇｅニュークリア・エナジー株式会社 | Radioactive waste liquid treatment system and method for treating radioactive waste liquid |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0634891B2 (en) | 1994-05-11 |
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