CN110344075A - Hydroiodic acid preparation facilities - Google Patents
Hydroiodic acid preparation facilities Download PDFInfo
- Publication number
- CN110344075A CN110344075A CN201910802750.3A CN201910802750A CN110344075A CN 110344075 A CN110344075 A CN 110344075A CN 201910802750 A CN201910802750 A CN 201910802750A CN 110344075 A CN110344075 A CN 110344075A
- Authority
- CN
- China
- Prior art keywords
- hydroiodic acid
- preparation facilities
- electro
- anode
- acid preparation
- 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
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- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 229940071870 hydroiodic acid Drugs 0.000 title claims abstract description 62
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000000746 purification Methods 0.000 claims abstract description 6
- 239000003054 catalyst Substances 0.000 claims description 22
- 239000012528 membrane Substances 0.000 claims description 14
- 229910052740 iodine Inorganic materials 0.000 claims description 11
- 239000011630 iodine Substances 0.000 claims description 11
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 230000001629 suppression Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 3
- 238000010025 steaming Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000007791 liquid phase Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000003487 electrochemical reaction Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 4
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 2
- 229940006461 iodide ion Drugs 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- -1 halogen acids Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910000043 hydrogen iodide Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 235000012976 tarts Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/24—Halogens or compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The present invention relates to a kind of hydroiodic acid preparation facilities, are related to chemical technology field, for solving the not high technical problem for the treatment of effeciency existing in the prior art.Hydroiodic acid preparation facilities of the invention, it includes material box, electro-redox reactor and purification upgrading unit, by making the solution in electro-redox reactor that electrochemical reaction occur to generate hydroiodic acid, and whole process liquid phase circulation restores, product purity is high, concentration is high, its high conversion rate, and generated without dangerous waste liquid, it is good for the environment.
Description
Technical field
The present invention relates to chemical technology field, a kind of particularly hydroiodic acid preparation facilities.
Background technique
Hydroiodic acid is the aqueous solution of hydrogen iodide, has the tart flavour of intense irritation, belongs to strong acid, is in "dead" oxygen-free acid
It is acid strongest, it is easily oxidized in air and free-iodine is precipitated, be reproducibility most powerhouse in halogen acids.In the prior art, right
The disclosure of hydroiodic acid preparation is mostly to produce hydroiodic acid with phosphorus, and this method yield is general, purity is low, concentration is low, and can produce
Raw dangerous waste liquid, is unfavorable for environmental protection.
Summary of the invention
The present invention provides a kind of hydroiodic acid preparation facilities, for solving above-mentioned technical problem.
According to the first aspect of the invention, hydroiodic acid preparation facilities of the invention comprising:
Material box is used to carry iodine；
Electro-redox reactor is connected with the material box, for being electrochemically reacted to obtain hydroiodic acid；With
And
Upgrading unit is purified, is used to purify the hydroiodic acid exported in the electro-redox reactor.
In one embodiment, the electro-redox reactor includes anode membrane and is separately positioned on the anode membrane two
The anode plate and cathode plate of side；
Wherein, the anode plate and the anode membrane constitute the side wall for limiting anode chamber, the cathode plate and the anode membrane structure
At the side wall for limiting cathode chamber.
In one embodiment, the cathode plate is suppression hydrogen electrode plate.
In one embodiment, the anode chamber is connected with catalyst tank, and the catalyst tank is used for the anode
Catalyst is added in room.
In one embodiment, the catalyst is dilute sulfuric acid or phosphoric acid.
In one embodiment, there are anode chamber input port and anode chamber's output above and below the anode chamber respectively
Mouthful；There are cathode chamber input port and cathode chamber delivery outlet above and below the cathode chamber respectively.
In one embodiment, the first hydrogen iodine is additionally provided between the material box and the electro-redox reactor
Sour case, two delivery outlets of the first hydroiodic acid case respectively with the input port of the electro-redox reactor and the purification
The input port of upgrading unit is connected；Two input ports of the first hydroiodic acid case respectively with the electro-redox reactor
Delivery outlet is connected with the delivery outlet of the material box.
In one embodiment, the material box passes through one of them of screw feed pump and the first hydroiodic acid case
Input port is connected.
In one embodiment, one of delivery outlet of the first hydroiodic acid case passes through circulating pump and the electric oxygen
The input port for changing reduction reactor is connected.
In one embodiment, the purification upgrading unit includes distiller, and wherein the one of the first hydroiodic acid case
A delivery outlet is connected by acid pump with the input port of the distiller.
The prior art is compared, the present invention has the advantages that by making the solution in electro-redox reactor that electrification occur
Reaction is learned to generate hydroiodic acid, and whole process liquid phase circulation restores, theoretically raw material iodine is totally converted, high conversion rate, is produced
Product purity is high, concentration are high, and generate without dangerous waste liquid, are good for the environment.
Detailed description of the invention
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.
Fig. 1 is the structural schematic diagram of the hydroiodic acid preparation facilities in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of electro-redox reactor shown in FIG. 1.
In the accompanying drawings, identical component uses identical appended drawing reference.The attached drawing is not drawn according to the actual ratio.
Appended drawing reference:
1- material box；2- electro-redox reactor；3- purifies upgrading unit；4- hydroiodic acid case；5- catalyst tank；6- spiral shell
Bar feed pump；7- acid pump；8- the second hydroiodic acid case；9- circulating pump；
21- anode membrane；22- anode plate；23- cathode plate；25- power supply；
The anode chamber 211-；212- cathode chamber.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
As shown in Figure 1, the present invention provides a kind of hydroiodic acid preparation facilities comprising for carry iodine material box 1,
Electro-redox reactor 2 and its purification upgrading unit 3 for being used to purify the hydroiodic acid exported in electro-redox reactor 2.
Wherein, electro-redox reactor 2 is connected with material box 1, for being electrochemically reacted to obtain hydroiodic acid.
Specifically, as shown in Fig. 2, electro-redox reactor 2 is including anode membrane 21 and is separately positioned on 21 two sides of anode membrane
Anode plate 22 and cathode plate 23；Wherein, anode plate 22 and anode membrane 21 constitute the side wall for limiting anode chamber 211,23 He of cathode plate
Anode membrane 21 constitutes the side wall for limiting cathode chamber 212.
Further, cathode plate 23 is suppression hydrogen electrode plate.The anode chamber 211 of electro-redox reactor 2 and catalyst tank 5
It is connected, catalyst tank 5 is for adding catalyst into anode chamber 211.Optionally, catalyst is dilute sulfuric acid.
Specifically, electro-redox reactor 2 is electrochemically reacted as follows to obtain the process of hydroiodic acid:
When electro-redox reactor 2 is connected with DC power supply 25, it is anti-that redox occurs for electro-redox reactor 2
It answers, the iodine in cathode chamber 212 obtains electronics and reduction reaction occurs, since cathode plate 23 uses suppression hydrogen electrode plate, thus iodine quilt
It is reduced into iodide ion.And anode chamber 211 then water electrolysis at hydroxide ion and hydrogen ion, while occur oxidation reaction release oxygen
And hydrogen ion is generated, catalyst tank 5 inputs catalyst into anode chamber by circulating pump 9, keeps hydrogen ion saturating under electric field action
The iodide ion crossed in anode membrane 21 and cathode chamber 212 is combined into hydroiodic acid.
Reaction equation in oxidizing chamber 211 are as follows: 2H2O=2OH-+2H+=O2+2H+；
Restore the reaction equation of room 212 are as follows: I-+H+=HI.
In addition, having anode chamber input port and anode chamber's delivery outlet above and below anode chamber 211 respectively；Cathode chamber 212
Above and below have cathode chamber input port and cathode chamber delivery outlet respectively.
Anode chamber input port and anode chamber's delivery outlet are connected with the output end of catalyst tank 5 and output end respectively, that is, are catalyzed
Agent case 5 inputs catalyst to anode chamber 211 by anode chamber's delivery outlet, and catalyst is back to again by anode chamber's delivery outlet
In catalyst tank 5, recycle catalyst between catalyst tank 5 and anode chamber 211, to improve the efficiency of catalysis.Such as a left side in Fig. 2
Side arrow show the flow direction of catalyst.
As shown in Figure 1, being additionally provided with the first hydroiodic acid case 4, the first hydrogen between material box 1 and electro-redox reactor 2
Two delivery outlets of acid iodide case 4 respectively with the input port of electro-redox reactor 2 and purify upgrading unit 3 input port phase
Even；Two input ports of the first hydroiodic acid case 4 delivery outlet with the delivery outlet of electro-redox reactor 2 and material box 1 respectively
It is connected.
Further, iodine is input in the first hydroiodic acid case 4 by screw feed pump 6, and the first hydroiodic acid case 4 plays
Buffering and temporary effect.It is inputted by one of delivery outlet of the first hydroiodic acid case 4 into electro-redox reactor 2 single
Redox reaction occurs in electro-redox reactor 2, and generates hydroiodic acid for matter iodine.
Specifically, material box 1 is connected by screw feed pump 6 with one of input port of the first hydroiodic acid case 4.Electric oxygen
The cathode chamber delivery outlet for changing reduction reactor 2 is connected with an input port of the first hydroiodic acid case 4, keeps the hydroiodic acid generated defeated
Enter into the first hydroiodic acid case 4；One of delivery outlet of first hydroiodic acid case 4 is reacted by circulating pump 9 with electro-redox
The cathode chamber input port of device 2 is connected, and the solution in the first hydroiodic acid case 4 is made to enter the cathode chamber 212 of electro-redox reactor 2
In；To which solution recycles between the first hydroiodic acid case 4 and electro-redox reactor 2, to improve the efficiency of output.Such as Fig. 2
Middle right side arrow show the flow direction of iodine.
Purifying upgrading unit 3 includes distiller, and one of delivery outlet of the first hydroiodic acid case 4 passes through acid pump 7 and distillation
The input port of device is connected, and the delivery outlet of distiller is connected with the second hydroiodic acid case 8, is carried out the hydroiodic acid of generation by distiller
Output is into the second hydroiodic acid case 8 after distilation.
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention
Under, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as there is no structures to rush
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited to texts
Disclosed in specific embodiment, but include all technical solutions falling within the scope of the claims.
Claims (10)
1. a kind of hydroiodic acid preparation facilities characterized by comprising
Material box (1), is used to carry iodine；
Electro-redox reactor (2) is connected, for being electrochemically reacted to obtain hydroiodic acid with the material box (1)；
And
It purifies upgrading unit (3), is used to purify the hydroiodic acid exported in the electro-redox reactor (2).
2. hydroiodic acid preparation facilities according to claim 1, which is characterized in that electro-redox reactor (2) packet
It includes anode membrane (21) and is separately positioned on the anode plate (22) and cathode plate (23) of the anode membrane (21) two sides；
Wherein, the anode plate (22) and the anode membrane (21) constitute the side wall for limiting anode chamber (211), the cathode plate (23)
The side wall for limiting cathode chamber (212) is constituted with the anode membrane (21).
3. hydroiodic acid preparation facilities according to claim 2, which is characterized in that the cathode plate (23) is suppression hydrogen electrode
Plate.
4. hydroiodic acid preparation facilities according to claim 2 or 3, which is characterized in that the anode chamber (211) and catalyst
Case (5) is connected, and the catalyst tank (5) is used to add catalyst in the anode chamber (211).
5. hydroiodic acid preparation facilities according to claim 4, which is characterized in that the catalyst is dilute sulfuric acid.
6. hydroiodic acid preparation facilities according to claim 2 or 3, which is characterized in that the top of the anode chamber (211) and
There are anode chamber input port and anode chamber's delivery outlet in lower section respectively；There is cathode respectively above and below the cathode chamber (212)
Room input port and cathode chamber delivery outlet.
7. hydroiodic acid preparation facilities according to claim 2 or 3, which is characterized in that the material box (1) and the electric oxygen
Change and is additionally provided with the first hydroiodic acid case (4) between reduction reactor (2), two delivery outlets point of the first hydroiodic acid case (4)
It is not connected with the input port of the input port of the electro-redox reactor (2) and purification upgrading unit (3)；Described first
Two input ports of hydroiodic acid case (4) respectively with the delivery outlet of the electro-redox reactor (2) and the material box (1)
Delivery outlet is connected.
8. hydroiodic acid preparation facilities according to claim 7, which is characterized in that the material box (1) passes through screw feed
Pump (6) is connected with one of input port of the first hydroiodic acid case (4).
9. hydroiodic acid preparation facilities according to claim 7, which is characterized in that the first hydroiodic acid case (4) is wherein
One delivery outlet is connected by circulating pump (9) with the input port of the electro-redox reactor (2).
10. hydroiodic acid preparation facilities according to claim 7, which is characterized in that the purification upgrading unit (3) includes steaming
Device is evaporated, one of delivery outlet of the first hydroiodic acid case (4) pumps (7) by acid and is connected with the input port of the distiller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910802750.3A CN110344075A (en) | 2019-08-28 | 2019-08-28 | Hydroiodic acid preparation facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910802750.3A CN110344075A (en) | 2019-08-28 | 2019-08-28 | Hydroiodic acid preparation facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110344075A true CN110344075A (en) | 2019-10-18 |
Family
ID=68181342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910802750.3A Pending CN110344075A (en) | 2019-08-28 | 2019-08-28 | Hydroiodic acid preparation facilities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110344075A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4053376A (en) * | 1976-10-27 | 1977-10-11 | Ppg Industries, Inc. | Electrolytic production of hydrogen iodide |
| US5520793A (en) * | 1995-04-03 | 1996-05-28 | Benham Electrosynthesis Company, Inc. | Methods of producing hydrogen iodide electrochemically |
| JPH0953195A (en) * | 1995-08-18 | 1997-02-25 | Permelec Electrode Ltd | Production of hydroiodic acid |
-
2019
- 2019-08-28 CN CN201910802750.3A patent/CN110344075A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4053376A (en) * | 1976-10-27 | 1977-10-11 | Ppg Industries, Inc. | Electrolytic production of hydrogen iodide |
| US5520793A (en) * | 1995-04-03 | 1996-05-28 | Benham Electrosynthesis Company, Inc. | Methods of producing hydrogen iodide electrochemically |
| JPH0953195A (en) * | 1995-08-18 | 1997-02-25 | Permelec Electrode Ltd | Production of hydroiodic acid |
Non-Patent Citations (2)
| Title |
|---|
| 全宏东主编: "《矿物化学处理》", 冶金工业出版社, pages: 289 - 291 * |
| 缪娟等: ""ZnSe/Pt电极制备及抑氢行为探讨"", 河南理工大学学报（自然科学版）, vol. 28, no. 5, pages 681 - 684 * |
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Application publication date: 20191018 |