JPH02258006A - Adsorptive filtration film - Google Patents
Adsorptive filtration filmInfo
- Publication number
- JPH02258006A JPH02258006A JP7946689A JP7946689A JPH02258006A JP H02258006 A JPH02258006 A JP H02258006A JP 7946689 A JP7946689 A JP 7946689A JP 7946689 A JP7946689 A JP 7946689A JP H02258006 A JPH02258006 A JP H02258006A
- Authority
- JP
- Japan
- Prior art keywords
- tannin
- cellulose
- laminar body
- cellulose powder
- filtration
- 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
- 238000001914 filtration Methods 0.000 title claims abstract description 23
- 230000000274 adsorptive effect Effects 0.000 title claims abstract description 8
- 229920001864 tannin Polymers 0.000 claims abstract description 19
- 239000001648 tannin Substances 0.000 claims abstract description 19
- 235000018553 tannin Nutrition 0.000 claims abstract description 19
- 239000001913 cellulose Substances 0.000 claims abstract description 18
- 239000012528 membrane Substances 0.000 claims abstract description 18
- 229920002678 cellulose Polymers 0.000 claims abstract description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 235000010980 cellulose Nutrition 0.000 claims description 9
- 235000019814 powdered cellulose Nutrition 0.000 claims description 6
- 229920003124 powdered cellulose Polymers 0.000 claims description 6
- 229920002770 condensed tannin Polymers 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 229910052768 actinide Inorganic materials 0.000 abstract description 12
- 150000001255 actinides Chemical class 0.000 abstract description 11
- 239000002354 radioactive wastewater Substances 0.000 abstract description 6
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 abstract description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 4
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 2
- 239000000470 constituent Substances 0.000 abstract 1
- 238000007598 dipping method Methods 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
- 239000003463 adsorbent Substances 0.000 description 10
- 238000001179 sorption measurement Methods 0.000 description 7
- 239000012085 test solution Substances 0.000 description 6
- 150000003671 uranium compounds Chemical class 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- -1 aminohexyl Chemical group 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 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
- 239000003795 chemical substances by application 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
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Filtering Materials (AREA)
- Water Treatment By Sorption (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
濾過膜に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Field) The present invention relates to an adsorbent filtration membrane that enables the separation and removal of ionic and colloidal actinide elements contained in radioactive wastewater.
（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
水くついては、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。(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 concentration of the actinide elements 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該廃水
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ａ−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除去が可
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 the treatment of wastewater using immobilized tannins. Typical carriers for immobilized tannins include cellulose and agarose, but these are fibrous or granular, and while ionic actinide elements can be removed by adsorption, colloidal actinide elements cannot be removed by adsorption. Can not.
（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７クチニド元素の分ａｈ去を可能ならし
める吸着性と濾過性との２つの機能を有する吸着性ｒ過
膜を提供することな目的とする。(Object of the Invention) The present invention solves the problems of the conventional method described above, and provides an adsorbent that has two functions of adsorption and filtration, which makes it possible to remove ionic and colloidal 7-cutinide elements. The purpose is to provide a transparent membrane.
（発明の構成）
すなわち、本発明によれば、タンニンな固定化した粉末
状セルロース％：１〜１０ｍの厚さの層状体とし、その
両面なセルロースｇ濾過膜で押えてサンドイッチ状にし
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, powdered cellulose with immobilized tannins is formed into a layered body with a thickness of 1 to 10 m, and the adsorption is made into a sandwich shape by pressing the cellulose g filtration membrane on both sides. A transparent filtration membrane is obtained.
次に、本発明のサンドインチ状の吸着性Ｆ’Ｊ膜の製造
方法の１例を示すが、その中心となるタンニンを固定化
した粉末セルロースの製造方法は次の如くである＠
（１） 粉末状セルロースを２５係ＮａｏＨに３０分
浸ｆｆしてアルカリセルローストスル、（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、
（３］ エポキシ化セルロースをヘキサメチレンジア
ミンと３０分〜１２０分接触せしめてアミノヘキシルセ
ルロースとする、
（４）アミノヘキシル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アミンヘキ
シルセルローストスル、
（５）エポキシ化アミノヘキシ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中心のタ
ンニンを固定化した粉末状セルロースが得られる。Next, an example of the method for producing the sandwich-shaped adsorbent F'J membrane of the present invention will be shown, and the method for producing the powdered cellulose with immobilized tannins, which is the main part, is as follows @ (1) Powdered cellulose is soaked in 25% NaoH for 30 minutes to prepare alkali cellulose. (2) Alkaline cellulose is mixed with epichlorohydrin for 30 minutes to 120 minutes.
(3) Contact epoxidized cellulose with hexamethylene diamine for 30 minutes to 120 minutes to obtain aminohexyl cellulose. (4) Contact aminohexyl cellulose with epichlorohydrin for 30 minutes to 120 minutes. (5) Epoxidized aminohexyl cellulose is brought into contact with a tannin solution for 2 to 24 hours to obtain powdered cellulose with immobilized tannin, which is the center of the present invention.
このタンニンを固定化した粉末状セルロースを１ ＝
１０ ｍｍの厚さの層状体とし、その両面を１紙で押え
て本発明のサンドインチ状の吸着性Ｐ遇換とする。This powdered cellulose with immobilized tannin is 1 =
A layered body with a thickness of 10 mm was prepared, and both sides of the layered body were pressed with one piece of paper to form the sandwich-shaped adsorbent P exchange of the present invention.
タンニンとしては加水分解型タンニンまたは縮合型タン
ニンな使用する。Hydrolyzed tannins or condensed tannins are used as tannins.
次に、本発明の吸着性ｐｉ！４１１Ｋの性能の一例を第
１表に示す。これな図示すれば第３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, the adsorptive pi! of the present invention! An example of the performance of 411K is shown in Table 1. This is illustrated in Figure 3, 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 ｌ 表
試験液：放射性廃水アクチニド元素
濃度２００ｐｐｂ
次に、本発明全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な限定するものではない。Table 1 Test liquid: Radioactive wastewater actinide element concentration 200 ppb Next, the present invention will be specifically explained using all examples, but the following examples are not intended to limit the scope of the present invention.
’ｔＭ！４例１
コロイド状ウラン化合物２００ｐｐｂ含有のウラン試＠
液ｓ ｏ ｏｍｌ（ｐＨ６）を、本を明のサンドインチ
状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ｙｆｌｊ度は１７ｐｐｂであり、ウラン除去率は
９１．５１であった。'tM! 4 Example 1 Uranium test containing 200 ppb of colloidal uranium compound @
The solution (pH 6) was passed through a light sand-inch adsorbent filtration membrane. The uranium yflj degree in the test solution after treatment was 17 ppb, and the uranium removal rate was 91.51.
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５ｏｏＷｌ／（ｐＨｏ）を、本発明のサンドインチ状
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３７．６ｐｐｂであり、ウラン除去率は８
１．２％であった。Example 2 5ooWl/(pHo) of a uranium test solution containing 200 ppb of colloidal uranium compounds was passed through the sandwich-like adsorbent filtration membrane of the present invention. The uranium concentration in the test solution after treatment was 37.6 ppb, and the uranium removal rate was 8.
It was 1.2%.
′１！施例３
コロイド状ウラン化合物２００ｐｐｂ含有のウラン試験
液５００ゴ（ｐＨ４）を、本発明のサンドインチ状の吸
着性濾過膜に：通液させた。処理後の試旅液におけるウ
ラン濃度は３７ｐｐｂでありウラン除去率は８１５％で
あった。'1! Example 3 A uranium test solution containing 200 ppb of a colloidal uranium compound (pH 4) was passed through a sandwich-shaped adsorbent filtration membrane of the present invention. The uranium concentration in the test liquid after treatment was 37 ppb, and the uranium removal rate was 815%.
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ｓ ｏ ｏｗｌ（ｐＨａ ）を、従来の固定化タンニ
ン［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憾であ
った。Comparative Example 1 A uranium test solution containing 200 ppb of colloidal uranium compounds (pH) was brought into contact with a conventional immobilized tannin [for 2 hours]. The uranium concentration in the test solution after treatment was 116 ppb, and the uranium removal rate was 42%.
（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
濾過性との２つの機能を有しているので。(Effects of the Invention) The adsorbent filtration membrane of the present invention has two functions of adsorption and filtration due to the above structure.
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。In addition to adsorption and removal of ionic actinide elements in radioactive wastewater, it is also possible to simultaneously separate and remove colloidal actinide elements, which have been difficult to separate and remove using conventional immobilized tannin treatment methods.
第１図は本発明のサンドイッチ状の吸着性濾過膜の一例
の縦断面図、第２図は本発明のサンドイッチ状の吸着性
濾過膜を二層以上の多層構造にセットした使用方法の一
例な示す図、第３図は放射性廃水Ｃアクチニド元素濃度
２０ ｏｐｐｂ）を本本発明のサンドインチ状の吸着性
ｒ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。
特許出願人 三菱原子燃料株式会社
代
理
人
白
川
義
直Fig. 1 is a vertical cross-sectional view of an example of the sandwich-like adsorptive filtration membrane of the present invention, and Fig. 2 is an example of how to use the sandwich-like adsorbent filtration membrane of the invention set in a multilayer structure of two or more layers. Figure 3 shows the pH value and actinide element removal rate of the wastewater when radioactive wastewater (C-actinide element concentration 20 oppb) is treated with the sandwich-like adsorbent r-filtration membrane of the present invention and conventional immobilized tannin. It is a graph diagram showing the relationship. Patent applicant Yoshinao Shirakawa, agent of Mitsubishi Nuclear Fuel Co., Ltd.
Claims (3)
０ｍｍの厚さの層状体とし、その両面をセルロース製ろ
過膜で押えてサンドイッチ状にしてなる吸着性ろ過膜。(1) 1 to 1 powdered cellulose with immobilized tannins
An adsorptive filtration membrane made of a layered body with a thickness of 0 mm and sandwiched by pressing cellulose filtration membranes on both sides.
の吸着性ろ過膜。(2) The adsorptive filtration membrane according to claim (1), which has a multilayer structure of two or more layers.
ニンである請求項（１）に記載の吸着性ろ過膜。(3) The adsorptive filtration membrane according to claim (1), wherein the tannin is a hydrolyzed tannin or a condensed tannin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1079466A JPH0634892B2 (en) | 1989-03-30 | 1989-03-30 | Adsorption property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1079466A JPH0634892B2 (en) | 1989-03-30 | 1989-03-30 | Adsorption property |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02258006A true JPH02258006A (en) | 1990-10-18 |
| JPH0634892B2 JPH0634892B2 (en) | 1994-05-11 |
Family
ID=13690661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1079466A Expired - Lifetime JPH0634892B2 (en) | 1989-03-30 | 1989-03-30 | Adsorption property |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0634892B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011102807A1 (en) * | 2010-02-19 | 2011-08-25 | Temasek Polytechnic | A substrate for immobilizing functional substances and method for preparing the same |
| JP2014014734A (en) * | 2012-07-05 | 2014-01-30 | Central Research Institute Of Electric Power Industry | Collection material of uranium in sea water |
| JP2015040826A (en) * | 2013-08-23 | 2015-03-02 | 日立Ｇｅニュークリア・エナジー株式会社 | Radioactive waste liquid disposal method, and radioactive waste liquid disposal device |
| JP2015059870A (en) * | 2013-09-19 | 2015-03-30 | 日立Ｇｅニュークリア・エナジー株式会社 | Radioactive waste liquid treatment method and radioactive waste liquid treatment apparatus |
| JP2015059852A (en) * | 2013-09-19 | 2015-03-30 | 日立Ｇｅニュークリア・エナジー株式会社 | Method for treating radioactive waste liquid and apparatus for treating radioactive waste liquid |
| JP2016140849A (en) * | 2015-02-04 | 2016-08-08 | 三菱重工業株式会社 | Dissolved metal collection material, method for producing dissolved metal collection material, dissolved metal collection method and water treatment device |
| CN109422381A (en) * | 2017-08-31 | 2019-03-05 | 宝山钢铁股份有限公司 | A kind for the treatment of process removing cold rolling reverse osmosis concentrated water dissolved organic carbon and total chromium |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JPS6316812U (en) * | 1986-07-18 | 1988-02-04 |
-
1989
- 1989-03-30 JP JP1079466A patent/JPH0634892B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JPS6316812U (en) * | 1986-07-18 | 1988-02-04 |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2014014734A (en) * | 2012-07-05 | 2014-01-30 | Central Research Institute Of Electric Power Industry | Collection material of uranium in sea water |
| JP2015040826A (en) * | 2013-08-23 | 2015-03-02 | 日立Ｇｅニュークリア・エナジー株式会社 | Radioactive waste liquid disposal method, and radioactive waste liquid disposal device |
| JP2015059870A (en) * | 2013-09-19 | 2015-03-30 | 日立Ｇｅニュークリア・エナジー株式会社 | Radioactive waste liquid treatment method and radioactive waste liquid treatment apparatus |
| JP2015059852A (en) * | 2013-09-19 | 2015-03-30 | 日立Ｇｅニュークリア・エナジー株式会社 | Method for treating radioactive waste liquid and apparatus for treating radioactive waste liquid |
| JP2016140849A (en) * | 2015-02-04 | 2016-08-08 | 三菱重工業株式会社 | Dissolved metal collection material, method for producing dissolved metal collection material, dissolved metal collection method and water treatment device |
| CN109422381A (en) * | 2017-08-31 | 2019-03-05 | 宝山钢铁股份有限公司 | A kind for the treatment of process removing cold rolling reverse osmosis concentrated water dissolved organic carbon and total chromium |
| CN109422381B (en) * | 2017-08-31 | 2022-06-24 | 宝山钢铁股份有限公司 | Treatment process for removing soluble organic carbon and total chromium in cold rolling reverse osmosis concentrated water |
| 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 |
|---|---|
| JPH0634892B2 (en) | 1994-05-11 |
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