CN109589760A - A kind of use for laboratory hydrogen sulfide quick treatment device and processing method - Google Patents
A kind of use for laboratory hydrogen sulfide quick treatment device and processing method Download PDFInfo
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- CN109589760A CN109589760A CN201811318183.6A CN201811318183A CN109589760A CN 109589760 A CN109589760 A CN 109589760A CN 201811318183 A CN201811318183 A CN 201811318183A CN 109589760 A CN109589760 A CN 109589760A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/73—After-treatment of removed components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/606—Carbonates
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- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
A kind of use for laboratory hydrogen sulfide quick treatment device of the present invention and processing method, are related to laboratory waste processing unit field, and processing unit includes neutralizing reservoir, devulcanizer, filter and clear liquid memory；Alkaline solution is stored in the neutralization reservoir；The neutralization reservoir is connected by conduit with reactor cycles；The neutralization reservoir, which is equipped with, will neutralize the neutralizer output duct that solution is imported into devulcanizer；Ferric salt solution is stored in the devulcanizer；The blower device for blasting air or oxygen into solution is accessed in the devulcanizer；The output end of the devulcanizer is equipped with the filter for filtering sulphur simple substance；The clear liquid memory is filtered remaining liquid for receiving.Apparatus of the present invention have many advantages, such as that structure is simple and convenient to operate, the conversion of high reliablity, hydrogen sulfide is eliminated fastly, and early investment and later maintenance cost are low, small-size laboratory is suitble to use, and can realize that no pollution discharges.
Description
Technical field
The present invention relates to the technical fields of laboratory waste processing unit, are specifically related to a kind of use for laboratory hydrogen sulfide
Quick treatment device and processing method.
Background technique
Hydrogen sulfide is the pernicious gas generated in petroleum refining process, increase and state with processing high-sulphur crude amount
To the pay attention to day by day of environmental protection work, hydrogen sulfide, which is effectively treated, to have attracted people's attention for family.Common place industrial at present
Reason means are Clause legal system sulphur technology, this method net reaction are as follows: 2H2S+O2→2S+2H2O.React basic principle are as follows: will
1/3 contain H2S tail gas burns in air, by H2S is oxidized to SO2, then SO2Again with remaining 2/3 tail gas catalyst work
It reacts under: 4H2S+2SO2=1/xSx+4H2O.The processing method is suitable for the higher gas of Containing Sulfur hydrogen amount, and obtains
Preferable economic and social benefit, especially after super Claus Sulfur Recovery Technique obtains exploitation, sulfur recovery rate can be improved to 99%
More than, this method is widely used at present.
But various methods used at present mainly or for petroleum, chemical company's big flow gas design, it is entire
Process energy consumption is larger, is not particularly suited for the processing of the small flow high concentrations of gas in laboratory.The hydrogen sulfide tail gas in laboratory is generally adopted
It is absorbed, gaseous hydrogen sulfide is passed directly into absorption tower, for being dissolved in solution by lye with tail gas absorber
Hydrogen sulfide there is presently no good methods, a large amount of inert gases can only be passed through and cement out the hydrogen sulfide dissolved in solution
After be passed through in absorption tower, in tower complete hydrogen sulfide absorption, if inert gas be passed through it is very few, hydrogen sulfide displacement not exclusively, be
Guarantee that hydrogen sulfide displacement is complete, it is necessary to it is passed through excessive inert gas, and this can not only waste the plenty of time, also will cause inertia
A large amount of wastes of gas.The sulfide laboratory that hydrogen sulfide and alkaline reaction can generate is difficult to be further processed, and can select directly
Discharge, or the mechanism processing of profession is given, however since the amount that laboratory generates is relatively fewer and complex in composition, it is general special
Industry mechanism is reluctant to receive such waste liquid, is discharged into sewer after can only finally diluting sulfur-containing waste water.In Related Bacteria
Under the action of sulfur-containing compound in turn translate into hydrogen sulfide and be present in sewer pipe, seriously affect the person of pipe-dredging personnel
Safety, the sulfide being emitted into environment also can cause strong influence to ecological environment.
Summary of the invention
In order to solve problems in the prior art, the present invention provides a kind of use for laboratory hydrogen sulfide quick treatment device and its makes
Use method.
In order to achieve the object of the present invention, the invention adopts the following technical scheme: a kind of use for laboratory hydrogen sulfide is quick
Processing unit, including neutralize reservoir, devulcanizer, filter and clear liquid memory；Alkali is stored in the neutralization reservoir
Property solution；The neutralization reservoir is connected by conduit with the reactor cycles containing hydrogen sulfide；The alkaline solution and vulcanization
It is formed after hydrogen reaction and neutralizes solution；The neutralization reservoir is equipped with and the neutralization solution that its container is provided with is imported into devulcanizer
Neutralizer output duct；Ferric salt solution is stored in the devulcanizer；The devulcanizer access is for the drum into solution
Enter the blower device of air or oxygen；The output end of the devulcanizer is equipped with the filter for filtering sulphur simple substance；The clear liquid
Memory is filtered remaining liquid for receiving.
Preferably, the neutralization reservoir and devulcanizer are equipped with pH detection device, pH regulation device and for adding
The corrosion-resistant heating rod of heat.
Preferably, the pH regulation device includes being added separately to alkaline solution to neutralize reservoir, in devulcanizer
Lye, which is added pipe and is added on pipe set on lye, is added control valve for regulating and controlling the lye of alkaline solution flow.
Preferably, the alkaline solution is at least one of sodium hydroxide, sodium carbonate.
It is connected preferably, the entrance of reactor passes through conduit respectively with the neutralization reservoir；The neutralization storage
Storage be it is enclosed, upper part is equipped with gas being passed through the gas-guide tube below of liquid level of solution in devulcanizer, during bottom is equipped with
It is directed into devulcanizer with liquid output duct for solution will to be neutralized；The middle and upper part of the devulcanizer is equipped with clear liquid efferent duct, bottom
Portion is equipped with the liquid to be filtered efferent duct of access filter.
Preferably, the air guide bottom of the tube is cellular.
Preferably, the blower device includes the bubbler submerged inside solution；The neutralization reservoir with react
Conduit between device entrance is equipped with the neutralization acid and alkali pumps importeding into alkaline solution in reservoir in reactor.
The present invention also provides a kind of processing methods of use for laboratory hydrogen sulfide quick treatment device, comprising the following steps:
1), starting neutralizes acid and alkali pumps and is input to the alkaline solution stored in reservoir is neutralized in the reactor that reaction is completed, sulfur-bearing
Neutralization reaction occurs for the acid solution and alkaline solution for changing hydrogen, and element sulphur will exist in the form of sulphur hydrogen radical ion and sulphion；
2), when hydrogen sulfide be absorbed completely, by neutralize reservoir in neutralization solution imported into devulcanizer, in devulcanizer
Ferric ion and sulphur hydrogen radical ion, sulphion occur redox reaction and generate ferrous ion and elemental sulfur, until sulphur hydrogen
Radical ion and sulphion fully reacting；
3) air or oxygen, is passed through into solution, until ferrous iron is all oxidized to ferric iron；
4), control pH value of solution exists in the form of an ion to ferro element；By the liquid in devulcanizer through liquid to be filtered efferent duct
Filter is accessed, sulphur simple substance is intercepted by filter to filter, and the solution containing trivalent iron salt flows into clear liquid memory.
Preferably, the pH value of alkaline solution described in step (1) is not less than 9.5；The trivalent iron salt is tri-chlorination
Iron.
Preferably, there are also following steps after step 2) or step 3) reaction are completed: controlling the pH of solution to molysite
Iron hydroxide and/or ferrous hydroxide are generated through complete hydrolysis, then through standing, desulfurization is discharged through clear liquid efferent duct in supernatant liquor
Device.
All reactions all meet chemical equilibrium condition in the process, and main chemical reactions are as follows:
H2S absorbs: H2S(g)+H2O(l)→H2S(l)；
H2S ionization: H2S(l)→HS-+H+；
HS-→S2-+H+；
S2-、HS-Oxidation: S2-+2Fe3+→S(s)+2Fe2+；
HS-+2Fe3+→S(s)+2Fe2++H+；
Fe2+Oxidation regeneration: 1/2O2(g)+2Fe2++H2O→2Fe3++2OH-；
Overall reaction: H2S(g)+1/2O2(g)→H2O(l)+S(s)。
The beneficial effects of the present invention are: use for laboratory hydrogen sulfide quick treatment device of the invention, including neutralize storage
Device, devulcanizer, filter and clear liquid memory；Alkaline solution is stored in the neutralization reservoir；Hydrogen sulfide containing acidity
Solution can cracking and alkaline solution neutralization reaction occurs, toxic, harmful, and the quick quilt of the hydrogen sulfide of foul smelling smell can be made
It sponges.Ferric ion solution is reacted with sulphur hydrogen radical ion, sulphion, generates ferrous ion and elemental sulfur；Blower device
Air or oxygen is blasted into solution, ferrous ion is oxidizing to ferric ion again, and elemental sulfur stays in filter through filtering
Interior, the solution containing ferric ion for filtering out sulphur simple substance remains to be recycled, and whole process realizes no pollution discharge substantially.
Reactor, which can be, to be serially connected multiple, may be implemented to handle the hydrogen sulfide in multiple reactors together, is saved
About cost, and improve the efficiency of processing.
In the processing method of use for laboratory hydrogen sulfide quick treatment device of the invention, step 2) or step 3) have been reacted
At later, there are also following steps: the pH for controlling solution generates iron hydroxide and/or ferrous hydroxide through complete hydrolysis to molysite,
Again through standing, devulcanizer is discharged through clear liquid efferent duct in supernatant liquor.So that iron hydroxide and/or ferrous hydroxide become heavy
Form sediment, elemental sulfur be originally it is solid, bottom can be sunken to, after removing supernatant after standing, liquor capacity reduces, and ion concentration increases
Add, after iron hydroxide and/or ferrous hydroxide dissolved, screen out solid sulphur simple substance, reduce the amount of the acid solution used.
The present invention can be handled hydrogen sulfide gas, can also be handled the hydrogen sulfide being dissolved in solution.
The present invention is suitble to small-size laboratory to handle hydrogen sulfide；Compare with base extraction in absorption tower, the present invention can be final
Generate sulphur simple substance, processing thoroughly, and to hydrogen sulfide gas and/or can be dissolved in the hydrogen sulfide of solution and handle, to molten
When the hydrogen sulfide of solution is handled, the hydrogen sulfide in solution can be rapidly eliminated, eliminates the logical of a large amount of inert gases
Enter, has saved cost, and efficiently, moreover it is possible to the low advantage of the maintenance cost of the input cost and later period that reduce early period.
Detailed description of the invention
Fig. 1 is the equipment schematic diagram of use for laboratory hydrogen sulfide quick treatment device of the present invention.
1- reactor；In 2- and reservoir；21- conduit；In 211- and acid and alkali pumps；22- neutralizer output duct；23- is led
Tracheae；3- devulcanizer；31- clear liquid efferent duct；32- liquid to be filtered efferent duct；4- filter；5- clear liquid memory；6- air blast dress
It sets；61- bubbler；Pipe is added in 7- lye；The corrosion-resistant heating rod of 8-；9-pH detection device.
Specific embodiment
More specific detail is made to technical solution of the present invention below with reference to embodiment:
Embodiment 1
As shown in Figure 1, the use for laboratory hydrogen sulfide quick treatment device in the present invention, including neutralization successively setting up and down
Reservoir 2, devulcanizer 3, filter 4 and clear liquid memory 5；The sodium carbonate that alkalinity is stored in the neutralization reservoir 2 is molten
Liquid, the pH value for the absorptivity for guaranteeing hydrogen sulfide, solution are not less than 9.5.The neutralization reservoir 2 passes through conduit 21 and reactor
1 circulation conducting；It is completed in the reactor 1 of reaction containing gaseous hydrogen sulfide, the hydrogen sulfide being dissolved in solution, sodium chloride, acetic acid
And the sulfide of iron.
Conduit 21 divides for entry conductor and delivery channel；The entrance neutralized between reservoir 2 and 1 entrance of reactor is led
Pipe is equipped with the neutralization acid and alkali pumps 211 importeding into the alkaline solution in reservoir 2 in reactor 1；The outlet of reactor 1 is in
The delivery channel that solution in reactor 1 is imported and neutralizes reservoir 2 is equipped between reservoir 2；Reaction in reactor 1 terminates
Afterwards, hydrogen sulfide gas or the hydrogen sulfide gas being dissolved in solution will be reacted with sodium carbonate liquor, hydrogen sulfide ionization be hydrogen from
Neutralization reaction will occur with carbonate for son, sulphur hydrogen radical ion and sulphion, hydrogen ion, and the ionization reaction of hydrogen sulfide will continue to the right
It is mobile, until hydrogen sulfide is all fixed.Neutralizing solution will continue to be transported to by delivery channel to neutralize in reservoir 2.
The neutralization reservoir 2 be it is enclosed, upper part is equipped with that gas is passed through liquid level of solution in devulcanizer 3 is below
Gas-guide tube 23, bottom, which is equipped with, will neutralize the neutralizer output duct 22 that solution is directed into devulcanizer 3, when hydrogen sulfide fully reacting
Afterwards, neutralizing solution will be transported in devulcanizer 3 by neutralizer output duct 22；The middle and upper part of the devulcanizer 3 is equipped with clear
Liquid efferent duct 31, bottom are equipped with the liquid to be filtered efferent duct 32 of access filter 4.Ferric trichloride is stored in the devulcanizer 3
Solution；The sulphur hydrogen radical ion and sulphion neutralized in solution will generate sulphur simple substance and frerrous chloride with ferric chloride reaction.It is described
The blower device 6 for blasting air or oxygen into solution is accessed in devulcanizer 3, the blower device 6 includes submerging solution
Internal bubbler 61；Bubbler 61 blasts air or oxygen in solution, and ferrous ion will be oxidized to ferric ion.
Pipe 7 is added by lye, sodium carbonate liquor is added, the pH for controlling solution in reservoir is generated to ferric ion through complete hydrolysis
Cotton-shaped ferric hydroxide precipitate, then through standing, devulcanizer 3 is discharged through clear liquid efferent duct 31 in supernatant, is then infused into devulcanizer
Enter hydrochloric acid, until cotton-shaped ferric hydroxide precipitate all dissolves, solution flows into filter 4 through liquid to be filtered efferent duct 32；Filter 4
For filtering sulphur simple substance；The clear liquid memory 5 filters remaining liquid through filter 4 for receiving.
Above step may also is that neutralize sulphur hydrogen radical ion and sulphion fixed in solution will with ferric chloride reaction,
Generate sulphur simple substance and frerrous chloride；The pH for controlling solution generates cotton-shaped iron hydroxide through hydrolysis to iron ion or ferrous hydroxide is heavy
It forms sediment, then through standing, devulcanizer 3 is discharged through clear liquid efferent duct 31 in supernatant liquor；Air or oxygen is blasted solution by bubbler 61
In, ferrous ion will be by O2It is oxidized to ferric ion；The remaining solution of devulcanizer bottom is flowed through liquid to be filtered efferent duct 32
Enter filter 4；Filter 4 is for filtering sulphur simple substance；The clear liquid memory 5 filters remaining liquid through filter 4 for receiving
Body.
The neutralization reservoir 2 and devulcanizer 3 are respectively equipped with pH detection device 9, pH regulation device and for heating resistance to
Corrode heating rod 8；The devulcanizer 3 is additionally provided with magnetic stirring apparatus, is equipped with magneton inside devulcanizer 3.
If Fig. 1 can show, the entry conductor neutralized between reservoir 2 and 1 entrance of reactor is equipped with inlet control valve, entrance control
Valve processed is set to 1 entrance of reactor and neutralizes between acid and alkali pumps 211；On entry conductor between 1 entrance of reactor and inlet control valve
Equipped with tap water branched pipe and air branched pipe；Tap water branched pipe is equipped with city water control valve, and air branched pipe is equipped with sky
Gas control valve；It neutralizes the delivery channel between reservoir 2 and the outlet of reactor 1 and is equipped with discharge control valve, reactor 1 exports and goes out
Delivery channel between mouth control valve is equipped with container and rinses bleeder, and container rinses bleeder and is equipped with container flushing discharge
Valve.When carrying out absorbing fixed to hydrogen sulfide, inlet control valve and discharge control valve are opened；City water control valve, air control
It is closing that valve and container, which rinse drain valve,.When complete to hydrogen sulfide absorption, and the solution in reactor 1 is transferred to neutralization
After reservoir 2, opens city water control valve and container rinses drain valve, close inlet control valve, discharge control valve and air control
Valve processed, tap water enters reactor from tap water branched pipe, after tap water is full of multiple concatenated reactors, then is continually fed into certainly
Water can be rinsed reactor 1.After the completion of flushing, opens air shut-off valve and container rinses drain valve, close entrance
Control valve, discharge control valve and city water control valve, lasting to be passed through air, lasting increase pressure, can will react in container
Tap water in device 1 is all discharged.
All reactions all meet chemical equilibrium condition in reaction process of the present invention, and main chemical reactions are as follows:
H2S absorbs: H2S(g)+H2O(l)→H2S(l)；
H2S ionization: H2S(l)→HS-+H+；
HS-→S2-+H+；
S2-、HS-Oxidation: S2-+2Fe3+→S(s)+2Fe2+；
HS-+2Fe3+→S(s)+2Fe2++H+；
Fe2+Oxidation regeneration: 1/2O2(g)+2Fe2++H2O→2Fe3++2OH-；
Overall reaction: H2S(g)+1/2O2(g)→H2O(l)+S(s)。
The present invention can be handled hydrogen sulfide gas, can also be handled the hydrogen sulfide being dissolved in solution,
It is suitble to small-size laboratory processing；Sulphur simple substance can be ultimately generated with base extraction in absorption tower, the present invention by comparing, and be handled more thorough
Bottom, and to hydrogen sulfide gas and/or the hydrogen sulfide of solution can be dissolved in handle, to the hydrogen sulfide being dissolved in solution into
When row processing, the hydrogen sulfide in solution can be rapidly eliminated, has the advantages that efficient, at low cost, early period can also be reduced
Input cost and the maintenance cost in later period.
Embodiment of above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although referring to aforementioned implementation
Invention is explained in detail for mode, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are repaired
Change or replaces, the spirit and scope for each embodiment technical solution of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of use for laboratory hydrogen sulfide quick treatment device, it is characterised in that: including neutralize reservoir (2), devulcanizer (3),
Filter (4) and clear liquid memory (5)；Alkaline solution is stored in the neutralization reservoir (2)；The neutralization reservoir
(2) it is recycled and is connected with the reactor (1) containing hydrogen sulfide by conduit (21)；The alkaline solution and hydrogen sulfide containing acidity are molten
It is formed after liquid reaction and neutralizes solution；Neutralization reservoir (2), which is equipped with, imported into desulfurization for the neutralization solution that its container is provided with
Neutralizer output duct (22) in device (3)；Ferric salt solution is stored in the devulcanizer (3)；The devulcanizer (3) connects
Enter the blower device (6) for blasting air or oxygen into solution；The output end of the devulcanizer (3) is equipped with for filtering sulphur
The filter (4) of simple substance；The clear liquid memory (5) filters remaining liquid through filter (4) for receiving.
2. use for laboratory hydrogen sulfide quick treatment device according to claim 1, it is characterised in that: the neutralization reservoir
(2) and devulcanizer (3) is equipped with pH detection device (9), pH regulation device and corrosion-resistant heating rod for heating (8).
3. use for laboratory hydrogen sulfide quick treatment device according to claim 2, it is characterised in that: the pH regulation device
Including being added separately to the alkaline solution to neutralize reservoir (2), pipe (7) is added in the lye in devulcanizer (3) and adds set on lye
Enter and control valve is added for regulating and controlling the lye of alkaline solution flow on pipe (7).
4. use for laboratory hydrogen sulfide quick treatment device according to claim 1, it is characterised in that: the alkaline solution is
At least one of sodium hydroxide, sodium carbonate.
5. use for laboratory hydrogen sulfide quick treatment device according to claim 1, it is characterised in that: reactor (1) goes out
Entrance passes through conduit (21) respectively and the neutralization reservoir (2) is connected；The neutralization reservoir (2) is closed, upper part
Equipped with gas is passed through devulcanizer (3) interior liquid level of solution gas-guide tube below (23), the neutralizer output duct that bottom is equipped with
(22) it is directed into devulcanizer (3) for solution will to be neutralized；The middle and upper part of the devulcanizer (3) is equipped with clear liquid efferent duct (31),
Bottom is equipped with the liquid to be filtered efferent duct (32) of access filter (4).
6. use for laboratory hydrogen sulfide quick treatment device according to claim 5, it is characterised in that: the gas-guide tube (23)
Bottom is cellular.
7. use for laboratory hydrogen sulfide quick treatment device according to claim 1, it is characterised in that: the blower device
It (6) include the bubbler (61) submerged inside solution；The conduit (21) neutralized between reservoir (2) and reactor (1) entrance
Be equipped with the neutralization acid and alkali pumps (211) reservoir (2) interior alkaline solution being imported into reactor (1).
8. such as the processing method of the described in any item use for laboratory hydrogen sulfide quick treatment devices of claim 1-7, feature exists
In, comprising the following steps:
1), the alkaline solution for neutralizing storage in reservoir (2) is input to and the anti-of reaction is completed by starting neutralization acid and alkali pumps (211)
Answer in device (1), neutralization reaction occurs for hydrogen sulfide containing acid solution and alkaline solution, element sulphur will with sulphur hydrogen radical ion and sulphur from
The form of son exists；
2), when hydrogen sulfide be absorbed completely, by neutralize reservoir (2) in neutralization solution imported into devulcanizer (3), devulcanizer
(3) ferric ion and sulphur hydrogen radical ion, sulphion occur redox reaction and generate ferrous ion and elemental sulfur in, until
Sulphur hydrogen radical ion and sulphion fully reacting；
3) air or oxygen, is passed through into solution, until ferrous iron is all oxidized to ferric iron；
4), control pH value of solution exists in the form of an ion to ferro element；By the liquid in devulcanizer (3) through liquid to be filtered efferent duct
(32) filter (4) are accessed, sulphur simple substance is intercepted by filter (4) to filter (4), and the solution containing trivalent iron salt flows into
In clear liquid memory (5).
9. use for laboratory hydrogen sulfide immediate processing method according to claim 8, it is characterised in that: alkali described in step 1)
Property solution pH value be not less than 9.5.
10. use for laboratory hydrogen sulfide immediate processing method according to claim 8, which is characterized in that step 2) or step
3) after reaction is completed, there are also following steps: the pH for controlling solution generates iron hydroxide and/or hydrogen-oxygen through complete hydrolysis to molysite
Change ferrous iron, then through standing, devulcanizer (3) are discharged through clear liquid efferent duct (31) in supernatant liquor.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112748062A (en) * | 2020-12-29 | 2021-05-04 | 江苏容大材料腐蚀检验有限公司 | Device and method for detecting hydrogen-induced cracking resistance of metal material |
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| CN112748062A (en) * | 2020-12-29 | 2021-05-04 | 江苏容大材料腐蚀检验有限公司 | Device and method for detecting hydrogen-induced cracking resistance of metal material |
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