JPH01199605A - Desalting filter - Google Patents
Desalting filterInfo
- Publication number
- JPH01199605A JPH01199605A JP63022703A JP2270388A JPH01199605A JP H01199605 A JPH01199605 A JP H01199605A JP 63022703 A JP63022703 A JP 63022703A JP 2270388 A JP2270388 A JP 2270388A JP H01199605 A JPH01199605 A JP H01199605A
- Authority
- JP
- Japan
- Prior art keywords
- filter
- treated
- valves
- pipeline
- 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.)
- Pending
Links
- 238000011033 desalting Methods 0.000 title abstract description 5
- 238000001914 filtration Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000012510 hollow fiber Substances 0.000 claims abstract description 13
- 239000012528 membrane Substances 0.000 claims abstract description 13
- 238000005342 ion exchange Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 3
- 238000010612 desalination reaction Methods 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 20
- 239000002699 waste material Substances 0.000 abstract description 20
- 238000011001 backwashing Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 3
- 238000013459 approach Methods 0.000 abstract description 2
- 230000001172 regenerating effect Effects 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002901 radioactive waste Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Abstract
Description
【発明の詳細な説明】
［発明の目的］
（産業上の利用分野）
本発明は原子力施設で発生する廃液を処理する濾過・脱
塩装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a filtration/desalination device for treating waste liquid generated in a nuclear facility.
（従来の技術）
原子力施設、例えば原子力発電所内で発生する電導度の
低い廃液は濾過・脱塩処理され、処理水はプラント内で
再使用されている。ところで、従来の濾過・脱塩装置は
それぞれの装置が大型であって、廃棄物処理施設全体を
縮小しようとする現状では、これら濾過・脱塩装置の小
型化が望まれていた。また、濾過・脱塩装置それぞれの
処理に伴う二次廃棄物の発生をみると、濾過装置からは
濾過助材（粉末イオン交換樹脂、ＫＣフロック等）が発
生し、脱塩装置（イオン交換樹脂塔）からは樹脂の再生
に伴って再生廃液（Ｈ２ＳＯ４とＮａＯＨを用いて再生
するため、Ｎａ２５０４が廃棄物となる）が発生する。(Prior Art) Waste liquid with low conductivity generated in a nuclear facility, such as a nuclear power plant, is filtered and desalted, and the treated water is reused within the plant. By the way, each of the conventional filtration and desalination apparatuses is large in size, and in the current situation where waste treatment facilities as a whole are being downsized, it has been desired to downsize these filtration and desalination apparatuses. In addition, looking at the generation of secondary waste associated with the processing of filtration and desalination equipment, we find that filtration equipment generates filtration aids (powdered ion exchange resin, KC floc, etc.), and desalination equipment (ion exchange resin Regeneration waste liquid (Na2504 is a waste product because H2SO4 and NaOH are used for regeneration) is generated from the tower) as the resin is regenerated.
しかしながら、これら二次廃棄物は全廃棄物発生口の中
でも大きなウェイトを占めているので、処理性能に優れ
、コンパクトで二次廃棄物の少ない濾過・脱塩装置の開
発が望まれていた。However, since these secondary wastes account for a large portion of all waste generation, there has been a desire to develop a filtration/desalination device that is compact and has excellent treatment performance and produces less secondary waste.
（発明が解決しようとする課題） ′ところで、従
来の廃液処理装置に使用されている中空糸膜フィルタは
、放射性廃液中に存在する懸濁物の分離・捕集について
は使用実績がある。(Problems to be Solved by the Invention) By the way, hollow fiber membrane filters used in conventional waste liquid treatment equipment have a track record of use for separating and collecting suspended matter present in radioactive waste liquid.
しかし、この中空糸膜フィルタにイオン交換機能を付与
したフィルタでは次の如き欠点があった。However, this hollow fiber membrane filter with an ion exchange function has the following drawbacks.
すなわち、
（１）強酸性１強塩基性イオン交換基を同一モジュール
に付与した中空糸膜フィルタ（粒状イオン交換でいう混
床）ではイオン交換基の再生はできず、使い捨てとなる
。That is, (1) in a hollow fiber membrane filter (mixed bed in granular ion exchange) in which strongly acidic and strongly basic ion exchange groups are provided in the same module, the ion exchange groups cannot be regenerated and the filter is disposable.
（２）強酸性イオン交換基をもつ中空糸膜モジュールと
強塩基性イオン交換基をもつ中空糸膜モジュールを直列
に並べて１つの処理システムとした場合には、この再生
は行えるが、処理水質が悪化する。(2) If a hollow fiber membrane module with a strongly acidic ion exchange group and a hollow fiber membrane module with a strong basic ion exchange group are arranged in series to form a single treatment system, this regeneration can be performed, but the quality of the treated water may be affected. Getting worse.
本発明は上記欠点を解決するためになされたもので、そ
の目的は、薬品を使用しないで再生ができるとともに小
型でかつ二次廃棄物の少ない濾過・脱塩装置を提供する
ことにある。The present invention has been made to solve the above-mentioned drawbacks, and its purpose is to provide a filtration/desalination device that can be regenerated without using chemicals, is small in size, and produces less secondary waste.
Ｆ発明の構成コ
（課題を解決するための手段および作用）上記目的を達
成するために、本発明の濾過・脱塩装置は熱水で再生で
きるイオン交換基をフィルター母材に持つ中空糸膜フィ
ルタと、前記中空糸膜フィルタを内蔵した容器本体と、
前記容器本体の上部に接続された処理水用配管及び逆洗
水用配管と、前記容器本体の下部に接続された被処理液
用配管およびドレン排水用配管とからイ苫成されている
ことを特徴とするものである。F. Constitution of the Invention (Means and Effects for Solving the Problems) In order to achieve the above object, the filtration/desalination apparatus of the present invention uses a hollow fiber membrane having an ion exchange group in the filter base material that can be regenerated with hot water. a filter, a container body containing the hollow fiber membrane filter;
The treated water piping and backwash water piping connected to the upper part of the container body are separated from the treated liquid piping and drain drainage piping connected to the lower part of the container body. This is a characteristic feature.
上記のごとく構成された本発明の濾過・脱塩装置によれ
ば、濾過処理と脱塩処理が同一の装置で行えるためシス
テムが小型化するばかりでなく、二次廃棄物のない、薬
品再生液の生じない装置ができる。According to the filtration/desalination apparatus of the present invention configured as described above, the filtration process and the desalination process can be performed in the same apparatus, which not only makes the system more compact, but also eliminates secondary waste from the chemical regenerated liquid. A device that does not cause this can be created.
（実施例） 以下、本発明の一実施例を図面を参照して説明する。(Example) Hereinafter, one embodiment of the present invention will be described with reference to the drawings.
第１図は本発明の一実施例の系統構成図を示すものであ
る。同図において、イオン交換機能をイ」与した中空糸
膜フィルタを内蔵した濾過・脱塩装置の容器本体１の下
部に被処理液が流入する配管２を接続し、また、その下
端にはドレン排田用配管６を接続する。濾過・脱塩装置
の容器本体１の上端には配管３を接続し、この配管３を
分配して、一方の配管４を処理水用とし、他方の配管５
を逆洗水用（熱水）としている。なお、配管２〜６には
それぞれバルブＶ１〜ｖ５が取り付けられている。FIG. 1 shows a system configuration diagram of an embodiment of the present invention. In the figure, a pipe 2 into which the liquid to be treated flows is connected to the lower part of a container body 1 of a filtration/desalination apparatus that incorporates a hollow fiber membrane filter with an ion exchange function, and a drain is connected to the lower end of the container body 1. Connect the discharged rice pipe 6. A pipe 3 is connected to the upper end of the container body 1 of the filtration/desalination equipment, and this pipe 3 is distributed so that one pipe 4 is used for treated water and the other pipe 5
is used for backwash water (hot water). Note that valves V1 to V5 are attached to the pipes 2 to 6, respectively.
次に、本実施例の作用について説明する。Next, the operation of this embodiment will be explained.
第１図において、被処理液（廃液）を処理する場合には
、バルブＶ１．Ｖ２ 、Ｖ３を開け、配管２より被処理
液を通水する。通水後、濾過・脱塩装置の差圧および処
理水のイオン濃度を監視（測定・分析）し、差圧が逆洗
すべき基準値あるいは処理水のイオン濃度が入口濃度に
近くなったならば、バルブＶ１．Ｖ３を閉じ、バルブＶ
４ 、 Ｖ５を聞け（バルブｖ２は開）、逆洗水用熱水
を配管４より配管３を介して濾過・脱塩装置に通水し、
濾過・脱塩装置の中空糸膜フィルター表面に付着した懸
濁物を剥離（逆洗）するかまたはイオン交換基の再生を
行う。この逆洗操作が終了すると、バルブＶ４ 、Ｖｓ
を閉じ（バルブＶ２は開）、バルブＶ１．Ｖ３を開けた
のち、再び被処理液を配管２から濾過・脱塩装置の容器
本体１内に通水してｆｆｉ即する。In FIG. 1, when treating a liquid to be treated (waste liquid), valve V1. V2 and V3 are opened, and the liquid to be treated is passed through piping 2. After water flow, monitor (measure and analyze) the differential pressure of the filtration/desalination equipment and the ion concentration of the treated water, and if the differential pressure reaches the reference value for backwashing or the ion concentration of the treated water approaches the inlet concentration. For example, valve V1. Close V3, valve V
4. Listen to V5 (valve V2 is open), flow the hot water for backwash water from pipe 4 to the filtration/desalination equipment via pipe 3,
Peel off (backwash) the suspended matter adhering to the surface of the hollow fiber membrane filter of the filtration/desalting equipment, or regenerate the ion exchange groups. When this backwash operation is completed, valves V4 and Vs
(valve V2 is open), valve V1. After opening V3, the liquid to be treated is again passed through the pipe 2 into the container body 1 of the filtration/desalination apparatus to be ffi.
ところで、本濾過・脱塩装置の逆洗のタイミングは前述
したようにフィルターの差圧と処理水のイオン濃度から
決まる。By the way, the timing of backwashing of this filtration/desalination apparatus is determined by the differential pressure of the filter and the ion concentration of the treated water, as described above.
第２図は処理時間の経過で同図（ａ）に示すように、フ
ィルターの差圧ΔＰが基準値に達しフィルターを逆洗す
る場合であり、同図（ｂ）および同図（Ｃ）に示すよう
に、処理水のイオン濃度および懸濁物′ｃｉ度も急速に
高まっている。また、第３図は処理時間の経過で同図（
ｂ）に示すように、処理水のイオン濃度が増加し、フィ
ルターの逆洗処理を行なう時点を示したものであり、同
図（ａ）に示すように、フィルターの差圧ΔＰはまだ基
準値にｊヱしてないが、同図（Ｃ）に示すように、処理
水の懸濁物濃度は急速に高まっていることを示している
。Figure 2 shows the case where the differential pressure ΔP of the filter reaches the reference value as shown in Figure (a) over the course of the processing time and the filter is backwashed. As shown, the ion concentration and suspended matter concentration of the treated water are also rapidly increasing. In addition, Figure 3 shows the progress of processing time in the same figure (
As shown in b), the ion concentration of the treated water increases and the filter is backwashed, and as shown in (a) of the same figure, the differential pressure ΔP of the filter is still at the reference value. Although not shown, as shown in Figure (C), the concentration of suspended solids in the treated water is rapidly increasing.
［発明の効果］
以上説明したように、本発明の濾過・脱塩装置によれば
、廃液の処理に伴い、濾過装置からは１け濁物濃度の高
い逆洗液および廃液中に含まれていたイオン成分のみを
含む再生廃液か生じ、これらは絶対聞が少ないので、後
処理も容易となる。したがって、本発明の濾過・脱塩装
置を用いた廃液処理は廃液処理システムとしてもすぐれ
た効果を奏する。[Effects of the Invention] As explained above, according to the filtration/desalination apparatus of the present invention, during the treatment of waste liquid, the filtration apparatus removes 1 turbidity contained in the backwash liquid and waste liquid with a high concentration of turbidity. A regenerated waste liquid containing only ionic components is generated, and since these have a small absolute volume, post-treatment is also easy. Therefore, the waste liquid treatment using the filtration/desalination apparatus of the present invention has excellent effects as a waste liquid treatment system.
第１図は本発明の一実施例の系統構成図、第２図および
第３図はそれぞれ本発明に係る廃液処理に伴なうフィル
タの差圧上昇による逆洗時期および処理水のイオン濃度
上昇による逆洗時期を説明７゛るための図である。
１・・・濾過脱塩装置の容器本体
２．３，４．５・・・配管
Ｖ＋ 、Ｖ２ 、Ｖ３ 、Ｖ４ 、Ｖｓ・・・バルブ（
８７３３）代理人 弁理士 猪 股 祥 晃（ほか １
名）
第１図
（ａ）
（ｂン
（ｃ）
第２図
（ａ）
（ｂ）
（Ｃ）
第３図Fig. 1 is a system configuration diagram of an embodiment of the present invention, and Figs. 2 and 3 show the timing of backwashing and the increase in ion concentration of treated water due to the increase in differential pressure of the filter due to waste liquid treatment according to the present invention, respectively. FIG. 7 is a diagram for explaining the backwash timing. 1... Container body of filtration desalination equipment 2.3, 4.5... Piping V+, V2, V3, V4, Vs... Valve (
8733) Agent: Yoshiaki Inomata, patent attorney (and 1 others)
Figure 1 (a) (b) (c) Figure 2 (a) (b) (C) Figure 3
Claims (1)
中空糸膜フィルタと、前記中空糸膜フィルタを内蔵した
容器本体と、前記容器本体の上部に接続された処理水用
配管及び逆洗水用配管と、前記容器本体の下部に接続さ
れた被処理液用配管およびドレン排水用配管とから構成
されていることを特徴とする濾過・脱塩装置。A hollow fiber membrane filter having an ion exchange group in the filter base material that can be regenerated with hot water, a container body containing the hollow fiber membrane filter, and pipes for treated water and backwash water connected to the upper part of the container body. A filtration/desalination device comprising a pipe, a liquid to be treated pipe and a drain pipe connected to the lower part of the container body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63022703A JPH01199605A (en) | 1988-02-04 | 1988-02-04 | Desalting filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63022703A JPH01199605A (en) | 1988-02-04 | 1988-02-04 | Desalting filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01199605A true JPH01199605A (en) | 1989-08-11 |
Family
ID=12090222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63022703A Pending JPH01199605A (en) | 1988-02-04 | 1988-02-04 | Desalting filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01199605A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212295A (en) * | 2013-04-19 | 2013-07-24 | 荷丰(天津)化工工程有限公司 | Industrial large-scale seawater desalination technology and device |
-
1988
- 1988-02-04 JP JP63022703A patent/JPH01199605A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212295A (en) * | 2013-04-19 | 2013-07-24 | 荷丰(天津)化工工程有限公司 | Industrial large-scale seawater desalination technology and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101810814B1 (en) | Ultra filtration unit and water purifying system having the same | |
| JPH1085742A (en) | Method and apparatus for treating desulfurization drainage | |
| JPH1043759A (en) | Purifying method of waste water and its device | |
| CN102060393A (en) | Treatment method and equipment of sporadic pollutant source water | |
| JPH08243361A (en) | Membrane separation device | |
| WO2001044115A3 (en) | Waste water treatment system | |
| JPS61263691A (en) | Water treating apparatus | |
| JPH01199605A (en) | Desalting filter | |
| JPH0698275B2 (en) | Liquid concentrator | |
| JPH09327611A (en) | Method and apparatus for filtering sparingly filterable waste liquid | |
| FR2373491A1 (en) | METHOD AND DEVICE FOR PURIFYING WASTE WATER | |
| JP3404013B2 (en) | Smoke washing wastewater treatment method and apparatus | |
| Campos et al. | Adsorption performance of powdered activated carbon-ultrafiltration systems | |
| JPS58163406A (en) | Filtration of liquid | |
| JPS634893A (en) | Fine particle removing device from ultrapure water | |
| JPS6422393A (en) | Water cleaning device | |
| CN201882983U (en) | Equipment used for treating water of slight-polluted and gustily-polluted water source | |
| JPH0356126A (en) | Hollow yarn membrane filter having desalting function | |
| RU2273066C1 (en) | Method for recovering liquid radioactive wastes | |
| CN107043184A (en) | A kind of water purification apparatus based on ultrafiltration and counter-infiltration | |
| JPS63274405A (en) | Reverse washing treatment method of hollow fiber membrane filter apparatus | |
| JPS61274714A (en) | Method for washing filter apparatus | |
| JPH0655046A (en) | Membrane separation device | |
| JPH03131311A (en) | Method for concentrating backwashing water of precoat type filter | |
| CN106430797A (en) | Novel reverse osmosis pure water equipment |