JPH0437866Y2 - - Google Patents
Info
- Publication number
- JPH0437866Y2 JPH0437866Y2 JP1986126090U JP12609086U JPH0437866Y2 JP H0437866 Y2 JPH0437866 Y2 JP H0437866Y2 JP 1986126090 U JP1986126090 U JP 1986126090U JP 12609086 U JP12609086 U JP 12609086U JP H0437866 Y2 JPH0437866 Y2 JP H0437866Y2
- Authority
- JP
- Japan
- Prior art keywords
- sulfur
- autoclave
- tank
- separation tank
- iron
- 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.)
- Expired
Links
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 32
- 239000011593 sulfur Substances 0.000 claims description 21
- 229910052717 sulfur Inorganic materials 0.000 claims description 21
- 239000012535 impurity Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 8
- 241000894006 Bacteria Species 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 239000005909 Kieselgur Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000011790 ferrous sulphate Substances 0.000 claims description 4
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 4
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims 1
- 238000007664 blowing Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 4
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Paper (AREA)
Description
【考案の詳細な説明】
(イ) 技術分野
本考案は、ガス中のH2Ｓを硫酸第２鉄溶液と
反応させることにより生成する単体硫黄等を高純
度で精製回収する硫黄精製装置に関するものであ
る。[Detailed description of the invention] (a) Technical field The present invention relates to a sulfur purification device that purifies and recovers elemental sulfur, etc., produced by reacting H 2 S in gas with a ferric sulfate solution to high purity. It is.
(ロ) 背景技術
従来、ガス中のH2Ｓを処理する方法としては、
Na2CO3溶液を使用するTakahax法やNaOH溶
液を吸収液とする使い捨て型の湿式吸収法、ある
いは活性炭や酸化鉄などによる吸着剤使い捨て型
の乾式吸収法が広く知られている。(b) Background technology Conventionally, methods for treating H 2 S in gas include:
The Takahax method using a Na 2 CO 3 solution, the disposable wet absorption method using a NaOH solution as the absorption liquid, and the disposable dry absorption method using an adsorbent such as activated carbon or iron oxide are widely known.
また、本出願人が提案した鉄酸化バクテリアを
利用する硫酸第２鉄溶液吸収法が特開昭59−
46117号及び特開昭61−21721号として公知であ
る。 In addition, a ferric sulfate solution absorption method using iron-oxidizing bacteria proposed by the present applicant was published in Japanese Patent Application Laid-Open No.
46117 and JP-A No. 61-21721.
しかしながら、このバクテリアを使用する方法
によつて生成する単体硫黄の品位は93％程度であ
り、しかも不純分としてFe分や鉄酸化バクテリ
アの着床体である珪藻土等を含有している。 However, the quality of the elemental sulfur produced by this method using bacteria is about 93%, and it also contains impurities such as Fe and diatomaceous earth, which is a deposit of iron-oxidizing bacteria.
(ハ) 考案の開示
本考案は、例えば上記鉄酸化バクテリアにより
酸化生成された硫酸第２鉄溶液を吸収液として
H2Ｓと接触させ、これにより生成される単体硫
黄含有原料から高純度の単体硫黄を精製回収する
ことができる装置を提供するものである。(c) Disclosure of the invention The present invention uses, for example, a ferric sulfate solution oxidized by the above-mentioned iron-oxidizing bacteria as an absorption liquid.
The object of the present invention is to provide an apparatus capable of purifying and recovering highly pure elemental sulfur from a raw material containing elemental sulfur produced by contacting with H 2 S.
即ち、本考案は単体硫黄含有原料を加熱加圧反
応させるオートクレーブと、該オートクレーブで
生成した溶融硫黄を沈降分離する分離槽からな
り、上記オートクレーブ内には上方から反応筒が
挿入されると共にさらに該反応筒内上方には高温
蒸気と上記粉砕物を導入する導入筒が挿入され、
該オートクレーブの側壁には溶液抜出しバルブ
が、またその槽底には上記分離槽に通じる溶融硫
黄抜出しバルブが設けられ、上記分離槽の側壁に
は不純物抜出しバルブが、またその槽底には精製
硫黄抜出しバルブが設けられてなる硫黄精製装置
に関するものである。 That is, the present invention consists of an autoclave in which raw materials containing elemental sulfur are reacted under heat and pressure, and a separation tank in which the molten sulfur produced in the autoclave is sedimented and separated. An introduction cylinder for introducing high temperature steam and the above-mentioned pulverized material is inserted into the upper part of the reaction cylinder.
A solution extraction valve is provided on the side wall of the autoclave, and a molten sulfur extraction valve is provided on the bottom of the autoclave, which communicates with the separation tank.An impurity removal valve is provided on the side wall of the separation tank, and a purified sulfur The present invention relates to a sulfur purification device provided with a withdrawal valve.
次に、本考案装置の一実施例を添付図のフロー
シートによつて説明する。 Next, one embodiment of the device of the present invention will be explained with reference to the flow sheet of the attached drawing.
(ニ) 実施例
鉄酸化バクテリアの酸化により生成した硫酸第
２鉄溶液がガス中のH2Ｓを吸収すると、以下の
反応により単体硫黄が生成する。(D) Example When a ferric sulfate solution produced by oxidation of iron-oxidizing bacteria absorbs H 2 S in the gas, elemental sulfur is produced by the following reaction.
Fe2（SO4）3＋H2Ｓ→
2FeSO4＋H2SO4＋S0
この単体硫黄含有原料の組成比は、ほぼ硫黄93
％，Fe3％、珪藻土３％、水分42％で、不純物が
多い。 Fe 2 (SO 4 ) 3 +H 2 S→ 2FeSO 4 +H 2 SO 4 +S 0The composition ratio of this elemental sulfur-containing raw material is approximately sulfur 93
%, Fe3%, diatomaceous earth 3%, water 42%, and contains many impurities.
該原料を図中の受入れホツパー１に貯蔵し、ベ
ルトフイーダー２で適量を粉砕装置であるパルペ
ライザー３に導く。該粉砕物はポンプ４の働きで
オートクレーブ５に流送し、余剰の粉砕物がある
ときは再度パルペライザーに戻す。 The raw material is stored in a receiving hopper 1 shown in the figure, and a belt feeder 2 leads an appropriate amount to a pulperizer 3, which is a pulverizer. The pulverized material is sent to the autoclave 5 by the action of the pump 4, and if there is any surplus pulverized material, it is returned to the pulperizer again.
上記オートクレーブ５内には上方から反応筒１
４が挿入され、さらに該反応筒１４内上方には高
温蒸気と上記粉砕物を導入する導入筒１３が挿入
されており、反応筒１４内で粉砕物の加熱加圧反
応が行なわれ、オートクレーブ５内で硫酸第１鉄
溶液と不純分を含んだ溶融硫黄とに上下に分離さ
れる。 Inside the autoclave 5, there is a reaction tube 1 from above.
4 is inserted, and an introduction tube 13 for introducing high-temperature steam and the pulverized material is inserted above the reaction tube 14, and a heating and pressurizing reaction of the pulverized material is carried out in the reaction tube 14. Inside, the ferrous sulfate solution and molten sulfur containing impurities are separated into upper and lower parts.
そこで、硫酸第１鉄溶液はオートクレーブ５側
壁に設けられた抜出しバルブ７を介して貯蔵タン
ク１１に送られ、さらにポンプ１２により鉄酸化
バクテリアを保持する酸化槽（図示せず）に送液
される。 Therefore, the ferrous sulfate solution is sent to a storage tank 11 via a withdrawal valve 7 provided on the side wall of the autoclave 5, and further sent to an oxidation tank (not shown) that holds iron-oxidizing bacteria by a pump 12. .
一方、溶融硫黄はオートクレーブ５底部に設け
られた抜出しバルブ８から分離槽（セツトリング
タンク）６に送られ、該槽６内には再度高温蒸気
を吹込むか、ジヤケツト又はコイルを装備して該
槽６を間接加熱することにより、精製硫黄と不純
物とに沈降分離し、精製硫黄は分離槽６底部の抜
出しバルブ９から回収し、珪藻土や鉄分等の不純
分は槽６側壁の抜出しバルブ１０より系外へ排出
する。 On the other hand, the molten sulfur is sent from an extraction valve 8 provided at the bottom of the autoclave 5 to a separation tank (settling tank) 6, into which high-temperature steam is again blown or a jacket or coil is installed to remove the sulfur. By indirectly heating the tank 6, purified sulfur and impurities are separated by sedimentation, and the purified sulfur is recovered from the extraction valve 9 at the bottom of the separation tank 6, and impurities such as diatomaceous earth and iron are collected from the extraction valve 10 on the side wall of the tank 6. Discharge outside the system.
このようにして回収された精製硫黄は、品位が
99.9％であつた。 The refined sulfur recovered in this way has a
It was 99.9%.
(ホ) 考案の効果
本考案装置は上記のように構成され、珪藻土や
鉄分等の不純物を含有する硫黄含有原料から高純
度の単体硫黄を効率良く精製回収することができ
る。(e) Effects of the invention The apparatus of the invention is constructed as described above, and can efficiently purify and recover highly pure elemental sulfur from sulfur-containing raw materials containing impurities such as diatomaceous earth and iron.
図は本考案装置のフローシートである。
符号説明、１……受入ホツパー、２……ベルト
フイーダー、３……パルペライザー、４……ポン
プ、５……オートクレーブ、６……分離槽、７…
…硫酸第１鉄溶液抜出しバルブ、８……溶融硫黄
抜出しバルブ、９……精製硫黄抜出しバルブ、１
０……不純物抜出しバルブ、１１……貯蔵タン
ク、１２……送液ポンプ、１３……導入筒、１４
……反応筒。
The figure is a flow sheet of the device of the present invention. Description of symbols, 1... Receiving hopper, 2... Belt feeder, 3... Pulperizer, 4... Pump, 5... Autoclave, 6... Separation tank, 7...
... Ferrous sulfate solution extraction valve, 8... Molten sulfur extraction valve, 9... Refined sulfur extraction valve, 1
0... Impurity extraction valve, 11... Storage tank, 12... Liquid feeding pump, 13... Introducing tube, 14
...Reaction tube.
Claims (1)
鉄溶液を吸収液としてガス中のH2Ｓと接触させ
ることにより生成した鉄分や珪藻土等の不純物を
含む単体硫黄含有原料から高純度精製硫黄と硫酸
第１鉄溶液を回収する装置であつて、上記単体硫
黄含有原料を加熱加圧反応させるオートクレーブ
と該オートクレーブで生成した溶融硫黄を再精製
し沈降分離する直接加熱式分離槽とからなり、上
記オートクレーブ内には上方から反応筒が槽底近
くまで挿入され、更に該反応筒内上方には高温蒸
気と上記単体硫黄含有原料の粉枠物を導入する導
入筒が挿入され、該オートクレーブ側壁には該オ
ートクレーブ反応筒内で上記溶融硫黄と共に生成
した硫酸第１鉄溶液を抜き出す抜き出しバルブが
設けられ、該オートクレーブ槽底には上記分離槽
に通じる溶融硫黄抜き出しバルブが設けられ、上
記分離槽の側壁には不純物抜き出しバルブが、ま
たその槽底には精製硫黄抜き出しバルブがそれぞ
れ設けられ、該分離槽には直接加熱する高温蒸気
吹込みノズルが装備されてなることを特徴とする
硫黄精製装置。 Sulfuric acid secondary oxidized by iron-oxidizing bacteria
An apparatus for recovering highly purified sulfur and ferrous sulfate solution from an elemental sulfur-containing raw material containing impurities such as iron and diatomaceous earth produced by contacting an iron solution as an absorption liquid with H 2 S in a gas, It consists of an autoclave in which the raw material containing elemental sulfur is subjected to a heating and pressurizing reaction, and a direct heating separation tank in which the molten sulfur produced in the autoclave is re-purified and separated by sedimentation. Furthermore, an introduction tube for introducing high-temperature steam and a powder frame of the raw material containing elemental sulfur is inserted in the upper part of the reaction column, and the sulfuric acid produced together with the molten sulfur in the autoclave reaction column is inserted into the side wall of the autoclave. A withdrawal valve for withdrawing the ferrous solution is provided, a molten sulfur withdrawal valve communicating with the separation tank is provided at the bottom of the autoclave tank, an impurity withdrawal valve is provided on the side wall of the separation tank, and an impurity removal valve is provided at the bottom of the tank. A sulfur purification apparatus, characterized in that each tank is provided with a sulfur extraction valve, and the separation tank is equipped with a high-temperature steam blowing nozzle for direct heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986126090U JPH0437866Y2 (en) | 1986-08-19 | 1986-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986126090U JPH0437866Y2 (en) | 1986-08-19 | 1986-08-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6334128U JPS6334128U (en) | 1988-03-04 |
| JPH0437866Y2 true JPH0437866Y2 (en) | 1992-09-04 |
Family
ID=31019575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986126090U Expired JPH0437866Y2 (en) | 1986-08-19 | 1986-08-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0437866Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4895393A (en) * | 1972-02-24 | 1973-12-07 | ||
| JPS51125694A (en) * | 1975-04-25 | 1976-11-02 | Kuraray Co Ltd | The purification of recovered sulphur |
| JPS58213603A (en) * | 1982-06-01 | 1983-12-12 | Kobe Steel Ltd | Recovery of sulfur for flue gas desulfurization treated liquid |
-
1986
- 1986-08-19 JP JP1986126090U patent/JPH0437866Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4895393A (en) * | 1972-02-24 | 1973-12-07 | ||
| JPS51125694A (en) * | 1975-04-25 | 1976-11-02 | Kuraray Co Ltd | The purification of recovered sulphur |
| JPS58213603A (en) * | 1982-06-01 | 1983-12-12 | Kobe Steel Ltd | Recovery of sulfur for flue gas desulfurization treated liquid |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6334128U (en) | 1988-03-04 |
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