JPH01123603A - Light liquid-heavy liquid countercurrent extractor - Google Patents
Light liquid-heavy liquid countercurrent extractorInfo
- Publication number
- JPH01123603A JPH01123603A JP28198887A JP28198887A JPH01123603A JP H01123603 A JPH01123603 A JP H01123603A JP 28198887 A JP28198887 A JP 28198887A JP 28198887 A JP28198887 A JP 28198887A JP H01123603 A JPH01123603 A JP H01123603A
- Authority
- JP
- Japan
- Prior art keywords
- liq
- heavy
- liquid
- light
- opening
- 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
- 239000007788 liquid Substances 0.000 title claims description 49
- 238000000605 extraction Methods 0.000 claims abstract description 21
- 239000006185 dispersion Substances 0.000 claims description 25
- 239000002994 raw material Substances 0.000 abstract description 12
- 230000001174 ascending effect Effects 0.000 abstract 1
- 239000002904 solvent Substances 0.000 description 14
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は軽液−重液向流接触抽出装置に関し、更に詳し
くは液、ガス、擬臨界状態又は超臨界ガス状態の溶剤（
一般に軽液）を用いて混合液体原料中（一般に重液）か
ら特定成分を向流接触抽出する装置において、原料単位
量当りの装置コストを低減しうる装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a light liquid-heavy liquid countercurrent contact extraction device, and more particularly, to a light liquid-heavy liquid countercurrent contact extraction device, which extracts a solvent (
The present invention relates to an apparatus for countercurrently extracting a specific component from a mixed liquid raw material (generally a heavy liquid) using a liquid (generally a light liquid), which can reduce the equipment cost per unit amount of raw material.
従来、混合液体原料中の特定成分を溶剤により抽出する
装置として、ラシヒリングやデイクソンパツキンなどの
種々の接触効率を高める充填物が充填された向流接触抽
出装置が用いられている。BACKGROUND ART Conventionally, as an apparatus for extracting a specific component in a mixed liquid raw material using a solvent, a countercurrent contact extraction apparatus filled with various fillers such as a Raschig ring and a Dickson packin to increase contact efficiency has been used.
充填塔では充填物を保持するために多孔板等の分散板を
下部に有するが、分散板の開口面積を該充填塔の断面積
以上にすることは不可能なため、重液の７ラツデイング
の発生の要因となり運転範囲が限られたものとなシ原料
の処理量が少なくないという不具合があった。A packed tower has a dispersion plate such as a perforated plate at the bottom to hold the packed material, but it is impossible to make the opening area of the dispersion plate larger than the cross-sectional area of the packed tower. The problem was that the operating range was limited and the amount of raw material processed was not small.
本発明は上記した重液の流動抵抗を減少させフラッディ
ングが生じることなく原料の処理量を高めうる装置を提
供しようとするものである。The present invention aims to provide an apparatus that can reduce the flow resistance of the heavy liquid described above and increase the throughput of raw materials without causing flooding.
本発明者は、充填物を保持する多孔板等の分散板近傍（
以下、分散部という）の軽液の上昇速度を充填物が充填
されている向流接触部よりも遅く、又重液の核部の下降
速度を向流接触部より早くすることにより、向流接触部
での重液のフラッディングが発生し難くしうろことを確
認し、この知見に基づいて本発明を完成するに至った。The present inventor has discovered that the vicinity of the dispersion plate (such as a perforated plate) that holds the filler (
By making the rising speed of the light liquid in the dispersion section (hereinafter referred to as the dispersion section) slower than the countercurrent contact section filled with a filler, and the descending speed of the heavy liquid core section faster than the countercurrent contact section, the countercurrent It has been confirmed that flooding of heavy liquid at the contact area is less likely to occur, and the present invention has been completed based on this knowledge.
すなわち本発明は、上部が細く下部が太い中空円筒容器
であって、上部に重液供給口及び軽液抜出口を、下部に
重液抜出口及び軽液供給口を有し、核中空円筒容器下部
には分散板を有し、該中空円筒容器下部の内径を該分散
板の開口面積が核中空円筒容器上部の断面積よりも大き
くなるようにしてなる軽液−重液向流接触抽出装置であ
る。That is, the present invention provides a hollow cylindrical container with a thin upper part and a thick lower part, which has a heavy liquid supply port and a light liquid extraction port in the upper part, a heavy liquid extraction port and a light liquid supply port in the lower part, and has a core hollow cylindrical container. A light liquid-heavy liquid countercurrent contact extraction device having a dispersion plate at the lower part, the inner diameter of the lower part of the hollow cylindrical container being such that the opening area of the dispersion plate is larger than the cross-sectional area of the upper part of the core hollow cylindrical container. It is.
本発明の対象である重液とは、軽液（溶剤）に抽出され
る特定成分とその溶媒からなる混合液体原料をいう。The heavy liquid, which is the object of the present invention, refers to a mixed liquid raw material consisting of a specific component extracted into a light liquid (solvent) and its solvent.
また、本発明の対象となる軽液とは、液、ガス、擬臨界
状態又は超臨界状態の流体であり、前記重液に較べて操
作条件下において比重が実質的に異なシ、訃互に混じシ
合わず相分離する性状のもので、前記重液中の特定成分
を選択的に抽出する溶剤をいう。Furthermore, the light liquid that is the subject of the present invention is a liquid, a gas, a fluid in a quasi-critical state or a supercritical state, and has a substantially different specific gravity under operating conditions than the heavy liquid. A solvent that does not mix and phase separates, and that selectively extracts specific components from the heavy liquid.
更に、本発明でいう擬臨界状態とは、溶剤の臨界温度Ｔ
ｏ以下で、対臨界温度Ｔｒ＝Ｔ／ＴｃがＱ、９０〜１．
０の範囲で、圧力は操作温度における溶剤の飽和蒸気圧
以上の状態を意味し、超臨界状態とは、溶剤の臨界温度
以上の温度の状態を意味する。Furthermore, the quasi-critical state as used in the present invention refers to the critical temperature T of the solvent.
o or less, the critical temperature Tr=T/Tc is Q, 90 to 1.
In the range of 0, pressure means a state above the saturated vapor pressure of the solvent at the operating temperature, and supercritical state means a state at a temperature above the critical temperature of the solvent.
表１にアルコール水溶液からのアルコールの抽出溶剤と
しての超臨界溶剤の一例を示す。Table 1 shows examples of supercritical solvents used as solvents for extracting alcohol from aqueous alcohol solutions.
表１ 超臨界溶剤の一例 溶剤 臨界温度 Ｃｏ、 ５１．１ ＣｔＨ＊ ’ ９．７ ａ、′Ｈ，５２，４ Ｎ、０ ５６．５ ０ｓＨ６９２，５ Ｃ，Ｈ８９６８ 馬８ １００．４ ｃ、Ｈ，。 １５２．０ 以下、本発明の一実施態様を第１図に従って詳述する。Table 1 Example of supercritical solvent Solvent Critical temperature Co, 51.1 CtH* 9.7 a,'H,52,4 N, 0 56.5 0sH692,5 C, H8968 Horse 8 100.4 c, H,. 152.0 Hereinafter, one embodiment of the present invention will be described in detail with reference to FIG.
第１図において、（ａ）は本発明の一実施態様の縦断面
図、（ｂ）は分散部の平面図であり、１は重液供給ライ
ン、２は軽液供給ライン、３は重液抜出ライン、４は軽
液抜出ライン、５は向流接触抽出塔、６は向流接触部（
充填層）、７は分散部、８は分散部の開口部、９は重液
分散ノズルである。In FIG. 1, (a) is a longitudinal sectional view of one embodiment of the present invention, (b) is a plan view of the dispersion section, 1 is a heavy liquid supply line, 2 is a light liquid supply line, and 3 is a heavy liquid supply line. 4 is a light liquid extraction line, 5 is a countercurrent contact extraction column, and 6 is a countercurrent contact section (
7 is a dispersion section, 8 is an opening of the dispersion section, and 9 is a heavy liquid dispersion nozzle.
原料である重液は、向流接触抽出塔５の上部の重液供給
ライン１より供給され、重液分散ノズル９により塔内に
均一に供給され、向流接触部６を下流方向に流れる。一
方、抽出溶剤である軽液は、該向流接触抽出塔５の下部
の軽液供給ライン２より供給され、分散部７の開口部８
を通過し、向流接触部６を上向きに上昇しながら、重液
中の特定成分を抽出して軽液抜出ライン４より抜き出さ
れ、重液は分散部７の開口部８を通り抜けて重液抜出ラ
イン３より排出される。The heavy liquid, which is a raw material, is supplied from the heavy liquid supply line 1 at the top of the countercurrent contact extraction column 5, uniformly supplied into the column by the heavy liquid dispersion nozzle 9, and flows through the countercurrent contact section 6 in the downstream direction. On the other hand, the light liquid, which is an extraction solvent, is supplied from the light liquid supply line 2 at the bottom of the countercurrent contact extraction column 5, and is supplied to the opening 8 of the dispersion section 7.
The heavy liquid passes through the opening 8 of the dispersion section 7, extracts specific components from the heavy liquid, and is extracted from the light liquid extraction line 4 while rising upward through the countercurrent contact section 6. It is discharged from the heavy liquid extraction line 3.
上記したような向流接触装置において、本発明の特徴は
、分散部７の開口部８における軽・液の上昇速度を向流
接触部６より遅く、又重液の下降速度を向流接触部６よ
シ早くするように、分散部７の開口部８の全面積が向流
接触部６の断面積よりも大きく設定した点にある。この
ようにすることによって向流接触部６での重液の７ラツ
デイングが発生、シ離くなる。In the countercurrent contact device as described above, the feature of the present invention is that the rising speed of the light liquid at the opening 8 of the dispersion section 7 is slower than that of the countercurrent contacting section 6, and the descending speed of the heavy liquid is lowered at the countercurrent contacting section. The point is that the total area of the opening 8 of the dispersion section 7 is set larger than the cross-sectional area of the countercurrent contact section 6 so that the flow rate is faster than that of the dispersion section 7. By doing this, 7 lag of the heavy liquid occurs in the countercurrent contact portion 6, and the liquid separates.
すカわち、分散部７の直径Ｄ２を向流接触部６の直径り
、と等しい従来の装置では、分散部の開口部８の全匣積
は構成部品等のため−Ｄ丁よりも必ず小さくなり、分散
部７での重液の流出抵抗が大きくなυ重液のフラッディ
ングの要因となっていた。In other words, in the conventional device where the diameter D2 of the dispersion section 7 is equal to the diameter of the countercurrent contact section 6, the total volume of the opening 8 of the dispersion section is always larger than the D size due to components etc. As a result, the outflow resistance of the heavy liquid in the dispersion section 7 becomes large, which causes flooding of the heavy liquid.
本発明はかかる向流接触抽出装置において、分散部７の
直径Ｄ２を向流接触抽出塔５の上部で、該装置の実質的
に必要な充填部が充填されている向流接触部６の直径り
、よりも大きくシ、かつも大きくすることにより、該向
流接触抽出塔の容積即ち装置費を必要最小限にとどめて
、原料の処理量を大巾に向上できるようにしたものであ
る。In the countercurrent catalytic extraction apparatus of the present invention, the diameter D2 of the dispersion section 7 is defined as the diameter D2 of the dispersion section 7 at the upper part of the countercurrent catalytic extraction column 5, and the diameter of the countercurrent contacting section 6 filled with the substantially necessary packing section of the apparatus. By making the counter-current catalytic extraction tower larger than the original size, the volume of the countercurrent contact extraction column, that is, the equipment cost, can be kept to the minimum necessary, and the throughput of raw materials can be greatly improved.
特に本発明は擬臨界状態又は超臨界状態の溶剤を用いる
高圧の抽出塔において、処理量に対する装置費が大巾に
低減できる。In particular, the present invention can significantly reduce the equipment cost relative to the throughput in a high-pressure extraction column using a quasi-critical or supercritical solvent.
本発明によればフラッディングを防止しながら原料の処
理量の増加が可能で、原料単位量当りの装置容積即ち装
置コストを低減することが可能である。According to the present invention, it is possible to increase the throughput of raw materials while preventing flooding, and it is possible to reduce the equipment volume per unit amount of raw materials, that is, the equipment cost.
第１図は本発明の一実施態様を示す図で、（５Ｌ）はそ
の縦断面図、（ｂ）は分散部の平面図である。FIG. 1 is a diagram showing one embodiment of the present invention, in which (5L) is a longitudinal sectional view thereof, and (b) is a plan view of a dispersion section.
Claims (1)
液供給口及び軽液抜出口を、下部に重液抜出口及び軽液
供給口を有し、該中空円筒容器下部には分散板を有し、
該中空円筒容器下部の内径を該分散板の開口面積が該中
空円筒容器上部の断面積よりも大きくなるようにしてな
ることを特徴とする軽液−重液向流接触抽出装置。It is a hollow cylindrical container with a thin upper part and a thick lower part, and has a heavy liquid supply port and a light liquid extraction port at the top, a heavy liquid withdrawal port and a light liquid supply port at the bottom, and a dispersion plate at the bottom of the hollow cylindrical container. has
A light liquid-heavy liquid countercurrent contact extraction apparatus characterized in that the inner diameter of the lower part of the hollow cylindrical container is such that the opening area of the dispersion plate is larger than the cross-sectional area of the upper part of the hollow cylindrical container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28198887A JPH01123603A (en) | 1987-11-10 | 1987-11-10 | Light liquid-heavy liquid countercurrent extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28198887A JPH01123603A (en) | 1987-11-10 | 1987-11-10 | Light liquid-heavy liquid countercurrent extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01123603A true JPH01123603A (en) | 1989-05-16 |
Family
ID=17646671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28198887A Pending JPH01123603A (en) | 1987-11-10 | 1987-11-10 | Light liquid-heavy liquid countercurrent extractor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01123603A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007075717A (en) * | 2005-09-14 | 2007-03-29 | Far East College | Supercritical extraction apparatus and supercritical extraction method using the apparatus |
| KR20140135549A (en) * | 2013-05-16 | 2014-11-26 | 주식회사 엘지화학 | Multistage counter-current extraction column and method of liquid-liquide continuous extraction using the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5541282U (en) * | 1978-09-11 | 1980-03-17 |
-
1987
- 1987-11-10 JP JP28198887A patent/JPH01123603A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5541282U (en) * | 1978-09-11 | 1980-03-17 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007075717A (en) * | 2005-09-14 | 2007-03-29 | Far East College | Supercritical extraction apparatus and supercritical extraction method using the apparatus |
| KR20140135549A (en) * | 2013-05-16 | 2014-11-26 | 주식회사 엘지화학 | Multistage counter-current extraction column and method of liquid-liquide continuous extraction using the same |
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