CN106867872A - A kind of ferrous iron is catalytically oxidized to ferric iron apparatus and preparation method thereof - Google Patents
A kind of ferrous iron is catalytically oxidized to ferric iron apparatus and preparation method thereof Download PDFInfo
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- CN106867872A CN106867872A CN201710054567.0A CN201710054567A CN106867872A CN 106867872 A CN106867872 A CN 106867872A CN 201710054567 A CN201710054567 A CN 201710054567A CN 106867872 A CN106867872 A CN 106867872A
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- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 title claims abstract description 38
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 title claims abstract description 26
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 64
- 239000002994 raw material Substances 0.000 claims abstract description 38
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 15
- 238000005273 aeration Methods 0.000 claims abstract description 13
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 11
- 239000011790 ferrous sulphate Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
- 244000005700 microbiome Species 0.000 claims description 10
- 230000003647 oxidation Effects 0.000 claims description 8
- 230000003197 catalytic effect Effects 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 7
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 6
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 6
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims description 6
- 230000007062 hydrolysis Effects 0.000 claims description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 5
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 3
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 3
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 claims description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 3
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000001103 potassium chloride Substances 0.000 claims description 3
- 235000011164 potassium chloride Nutrition 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000005864 Sulphur Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000008394 flocculating agent Substances 0.000 description 4
- 238000005189 flocculation Methods 0.000 description 4
- 230000016615 flocculation Effects 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 241000605222 Acidithiobacillus ferrooxidans Species 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 208000020084 Bone disease Diseases 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 208000007502 anemia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- -1 colourity Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003181 encephalopathic effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229920000592 inorganic polymer Polymers 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/06—Nozzles; Sprayers; Spargers; Diffusers
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P3/00—Preparation of elements or inorganic compounds except carbon dioxide
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Genetics & Genomics (AREA)
- Biotechnology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
Ferric iron apparatus and preparation method thereof is catalytically oxidized to the invention discloses a kind of ferrous iron, it is related to technical field of water treatment chemical, including reaction tower, reaction tower includes reaction zone, raw material area and aeration zone, wherein reaction zone includes reaction channel, reaction channel is provided with some column plates, reaction channel is provided with discharge opening, raw material area includes feed reservoir, feed reservoir is provided with connected mother tube, mother tube is provided with booster pump, the end of mother tube is passed through on the column plate of the top, the aeration zone includes Scroll-tupe air pump, Scroll-tupe air pump is provided with connected tracheae, tracheae is passed through under the column plate of bottom.Its preparation method includes the preparation of reaction raw materials：The configuration of Fe2+ solution and the preparation of reaction stoste；Reaction raw materials and the aeration for reacting stoste.This equipment is to be based on ferrous iron for raw material, using microbe-catalytic oxidization into the preparation method of ferric preparation facilities, using microbe-catalytic oxidization, ferrous iron is catalytically oxidized into ferric iron.
Description
Technical field
The present invention relates to technical field of water treatment chemical, and in particular to a kind of ferrous iron is catalytically oxidized to ferric iron equipment dress
Put and preparation method thereof.
Background technology
In water treatment field, there are many effective preconditioning techniques, but flocculation sedimentation is most widely used
Treatment technology.Flocculation sedimentation has good removal effect to impurity such as the turbidity in water, colourity, organic matter, heavy metals, because
This research prepares safe efficient, inexpensive flocculant just turns into the emphasis of researchers' concern.
The core technology of flocculation sedimentation is the validity of flocculant, and typically conventional flocculant can be divided into 4 classes：It is inorganic
Flocculant, synthesis organic flocculant, natural macromolecule flocculating agent and microbial flocculant；Wherein inorganic polymer cationic is wadded a quilt with cotton
Solidifying agent is the most commonly used, including aluminium system, iron system inorganic flocculating agent etc..In the starting stage of water process, more using the inorganic flocculation of aluminium system
Agent；But research finds, if the improper easy initiation output water aluminum concentration of operation control is exceeded, Excess free enthalpy aluminium can cause encephalopathic, osteopathy
With the illness such as anaemia.However, iron system inorganic flocculating agent can not only avoid above mentioned problem, also with its unique advantage, such as iron
It is that inorganic flocculating agent has flco big and consolidation, sinking speed be fast, cost is low.
The method for preparing polymeric iron both at home and abroad mainly has：Direct oxidation method, catalytic oxidation etc..There is equipment in these methods
The deficiencies such as complexity, troublesome poeration.
Invention provides one kind with ferrous iron as raw material, and dress is prepared into ferric using microbe-catalytic oxidization
Put.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide one kind with ferrous iron as raw material, using microorganism
It is catalytically oxidized to ferric ferrous iron and is catalytically oxidized to ferric iron apparatus and preparation method thereof.
Present invention solves the technical problem that can be realized using following technical scheme：A kind of ferrous iron is catalytically oxidized to three
Valency iron apparatus, including reaction tower, wherein the reaction tower includes reaction zone, raw material area and aeration zone, wherein reaction zone bag
Reaction channel is included, reaction channel is provided with some column plates, and reaction channel is equipped with discharge opening, raw material area above each column plate
Reaction tower bottom is located at aeration zone, raw material area includes feed reservoir, and feed reservoir is provided with connected mother tube, and mother tube is provided with
Booster pump, the end of mother tube is passed through on the column plate of the top, and the aeration zone includes Scroll-tupe air pump, is set on Scroll-tupe air pump
There is connected tracheae, tracheae is passed through under the column plate of bottom.
Preferably, the centre of the mother tube is provided with glass rotameter.
Preferably, the tracheae is provided with spinner flowmeter.
Preferably, the bottom of the reaction channel is provided with exhaust-valve, and exhaust-valve is located at the surface of the feed reservoir.
Preferably, the mother tube is provided with fluid flow control between the glass rotameter and the pressure charging valve
Valve, liquid flow control valve also is provided with the tracheae.
A kind of ferrous iron is catalytically oxidized to ferric preparation method, comprises the following steps：1st, the preparation of reaction raw materials：
(1), the configuration of Fe2+ solution：Industrial ferrous sulfate is configured to solution S 1, solution S 1 is placed in feed reservoir；And by potassium chloride 1-
2g/m3, ammonium sulfate 40-80g/m3, dipotassium hydrogen phosphate 20-40g/m3, magnesium sulfate 20-40g/m3, calcium nitrate 1.5-3g/m3 are added
Nutriment, the solution for obtaining as raw material；(2) preparation of stoste, is reacted：The reaction material liquid in above-mentioned steps is taken, is introduced micro-
Biology, at 25-28 DEG C of room temperature being passed through air is aerated, and now the ferrous sulfate in solution is under the catalytic action of microorganism
Generation oxidation, hydrolysis, polymerisation obtain polymeric ferrous sulphate solution, for reaction end is ferric iron during [Fe2+]≤1.0kg/m3
Stoste S2；
2：By reaction raw materials solution S 1 and ferric iron stoste S2 with 1：1 ratio pumps into and mix in reaction tower 1 and lead to respectively
Enter air to be aerated, generation oxidation, hydrolysis, polymerisation obtain polymeric ferrous sulphate solution under the catalytic action of microorganism.
Preferably, the pH of the solution S 1 is 2.0-3.0.
Beneficial effect is：This equipment is to be based on ferrous iron for raw material, using microbe-catalytic oxidization into ferric preparation
The preparation method of device, using microbe-catalytic oxidization, ferric iron is catalytically oxidized to by ferrous iron.Feed reservoir deposits raw material, increases
Raw material can squeeze into press pump the top of reaction channel, the reaction channel that can be passed through for gas by Scroll-tupe air pump most under
Side, the gas of rising can obtain product and be discharged from discharge opening after being reacted with dirty raw material.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of ferrous iron of the invention is catalytically oxidized to ferric iron apparatus；
Fig. 2 is first piece of structural representation of column plate that a kind of ferrous iron of the invention is catalytically oxidized to ferric iron apparatus
Figure；
Fig. 3 is second piece of structural representation of column plate that a kind of ferrous iron of the invention is catalytically oxidized to ferric iron apparatus
Figure；
Fig. 4 is the 3rd piece of structural representation of column plate that a kind of ferrous iron of the invention is catalytically oxidized to ferric iron apparatus
Figure；
Fig. 5 is the 4th piece of structural representation of column plate that a kind of ferrous iron of the invention is catalytically oxidized to ferric iron apparatus
Figure；
Wherein 1, reaction tower；2, reaction zone；3, raw material area；4, aeration zone；5, reaction channel；6, column plate；7, discharge opening；8,
Feed reservoir；9, mother tube；10, booster pump；11, Scroll-tupe air pump；12, tracheae；13, glass rotameter；14, spinner
Meter；15, exhaust-valve；16, liquid flow control valve.
Specific embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Fig. 1 shows the specific embodiment that a kind of ferrous iron of the invention is catalytically oxidized to ferric iron apparatus：A kind of two
Valency iron is catalytically oxidized to ferric iron apparatus, including reaction tower 1, wherein the reaction tower 1 include reaction zone 2, raw material area 3 with
Aeration zone 4, wherein reaction zone 2 include reaction channel 5, and reaction channel 5 is provided with some column plates 6, and reaction channel 5 is in each column plate
6 top is equipped with discharge opening 7, and raw material area 3 is located at the bottom of reaction tower 1 with aeration zone 4, and raw material area 3 includes feed reservoir 8, raw material
Pond 8 is provided with connected mother tube 9, and mother tube 9 is provided with booster pump 10, and the end of mother tube 9 is passed through the column plate 6 of the top
On, the aeration zone 4 includes Scroll-tupe air pump 11, and Scroll-tupe air pump 11 is provided with connected tracheae 12, under tracheae 12 is passed through most
Under the column plate 6 of side.
It is worth noting that, the centre of the mother tube 9 is provided with glass rotameter 13.The tracheae 12 is provided with and turns
Subflow gauge 14.The bottom of the reaction channel 5 is provided with exhaust-valve 15, and exhaust-valve 15 is located at the surface of the feed reservoir 8.Institute
State mother tube 9 and liquid flow control valve 16, the tracheae are provided between the glass rotameter 13 and the pressure charging valve
Liquid flow control valve 16 also is provided with 12.
In acid condition, by Thiobacillus ferrooxidans needed nutrient matter, the sulfuric acid for being added to certain mass concentration is sub-
Ferrous solution, introduces microorganism, and air is passed through at room temperature, completes the preparation of ferric iron fluid product.
Thiobacillus ferrooxidans its growth equation formula：Fe2++0.224O2(g)+0.0045CO2(g)+0.0011HCO3 -+H++
0.0011NH4 +Fe3++0.0011C5H7O2N+0.4989H2
Four blocks of column plates 6 are set in this reaction channel 5, and Fig. 2-Fig. 5 is respectively four pieces of vertical views of valve plate 6 from the bottom up
Figure.
Raw material is got to the 4th block of column plate 6 and is fed from feed reservoir 8 by booster pump 10.The gas of Scroll-tupe air pump 11 is by pipe
Road enters from below first block of plate.Reacted in reaction zone 2 with gas up toward dirty liquid, product is from discharge opening 7
Take out.
The preparation method of this equipment is comprised the following steps：1st, the preparation of reaction raw materials：(1), the configuration of Fe2+ solution:By work
Industry ferrous sulfate is configured to solution S 1, and solution S 1 is placed in feed reservoir 8, and the wherein pH of solution is 2.0；And by potassium chloride 1-2g/
M3, ammonium sulfate 40-80g/m3, dipotassium hydrogen phosphate 20-40g/m3, magnesium sulfate 20-40g/m3, calcium nitrate 1.5-3g/m3 add battalion
Support material, the solution for obtaining as reaction raw materials；(2) preparation of stoste, is reacted：The reaction material liquid in above-mentioned steps is taken, is introduced
Microorganism, at 25-28 DEG C of room temperature being passed through air is aerated, now catalytic action of the ferrous sulfate in solution in microorganism
Lower generation oxidation, hydrolysis, polymerisation obtain polymeric ferrous sulphate solution, for reaction end is trivalent during [Fe2+]≤1.0kg/m3
The stoste S2 of iron；
2：By reaction raw materials solution S 1 and ferric iron stoste S2 with 1：1 ratio pumps into and mix in reaction tower 1 and lead to respectively
Enter air to be aerated, generation oxidation, hydrolysis, polymerisation obtain polymeric ferrous sulphate solution under the catalytic action of microorganism；
3：For obtained trivalent ferrous solution, as product, a part is taken out as product, and a part is as next anti-
The reaction stoste answered is retained.
Based on above-mentioned, it based on ferrous iron is raw material that this equipment is, dress is prepared into ferric using microbe-catalytic oxidization
The preparation method put, using microbe-catalytic oxidization, ferric iron is catalytically oxidized to by ferrous iron.Feed reservoir 8 deposits raw material, supercharging
Raw material can be squeezed into pump 10 the top of reaction channel 5, and the reaction channel 5 that can be passed through for gas by Scroll-tupe air pump 11 is most
Lower section, the gas of rising can obtain product and discharged from discharge opening 7 after being reacted with dirty raw material.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (7)
1. a kind of ferrous iron is catalytically oxidized to ferric iron apparatus, including reaction tower, it is characterised in that：The reaction tower includes
Reaction zone, raw material area and aeration zone, wherein reaction zone include reaction channel, and reaction channel is provided with some column plates, reaction channel
Discharge opening is equipped with above each column plate, raw material area is located at reaction tower bottom with aeration zone, and raw material area includes feed reservoir, former
Material pond is provided with connected mother tube, and mother tube is provided with booster pump, and the end of mother tube is passed through on the column plate of the top, described
Aeration zone includes Scroll-tupe air pump, and Scroll-tupe air pump is provided with connected tracheae, and tracheae is passed through under the column plate of bottom.
2. a kind of ferrous iron is catalytically oxidized to ferric iron apparatus according to claim 1, it is characterised in that：The raw material
The centre of pipe is provided with glass rotameter.
3. a kind of ferrous iron is catalytically oxidized to ferric iron apparatus according to claim 1, it is characterised in that：The tracheae
It is provided with spinner flowmeter.
4. a kind of ferrous iron is catalytically oxidized to ferric iron apparatus according to claim 1, it is characterised in that：The reaction
The bottom of passage is provided with exhaust-valve, and exhaust-valve is located at the surface of the feed reservoir.
5. a kind of ferrous iron is catalytically oxidized to ferric iron apparatus according to claim 1, it is characterised in that：The raw material
Pipe is provided with liquid flow control valve between the glass rotameter and the pressure charging valve, and liquid also is provided with the tracheae
Flow control valve.
6. ferrous iron is catalytically oxidized to ferric preparation method to one kind according to claim 1, it is characterised in that including with
Lower step：1st, the preparation of reaction raw materials：(1), the configuration of Fe2+ solution:Industrial ferrous sulfate is configured to solution S 1, solution S 1
It is placed in feed reservoir；And by potassium chloride 1-2g/m3, ammonium sulfate 40-80g/m3, dipotassium hydrogen phosphate 20-40g/m3, magnesium sulfate 20-
40g/m3, calcium nitrate 1.5-3g/m3 add nutriment, the solution for obtaining as raw material；(2) preparation of stoste, is reacted：Take
State the reaction material liquid in step, introduce microorganism, being passed through air at 25-28 DEG C of room temperature is aerated, now the sulphur in solution
Sour ferrous iron generation oxidation, hydrolysis, polymerisation under the catalytic action of microorganism obtain polymeric ferrous sulphate solution, and [Fe2+]≤
For reaction end is ferric stoste S2 during 1.0kg/m3；
2：By reaction raw materials solution S 1 and ferric iron stoste S2 with 1：1 ratio pumps into mix in reaction tower 1 and be passed through sky respectively
Gas is aerated, and generation oxidation, hydrolysis, polymerisation obtain polymeric ferrous sulphate solution under the catalytic action of microorganism.
7. a kind of ferrous iron is catalytically oxidized to ferric collocation method according to claim 6, it is characterised in that：It is described molten
The pH of liquid S1 is 2.0-3.0.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112661197A (en) * | 2020-12-24 | 2021-04-16 | 成都湛蓝未来环保科技有限公司 | Device and method for preparing polymeric ferric sulfate through microbial catalysis |
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2017
- 2017-01-24 CN CN201710054567.0A patent/CN106867872A/en active Pending
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| Title |
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| 侯晓虹等: "《水资源利用与环境保护工程》", 中国建材工业出版社, pages: 210 - 134 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112661197A (en) * | 2020-12-24 | 2021-04-16 | 成都湛蓝未来环保科技有限公司 | Device and method for preparing polymeric ferric sulfate through microbial catalysis |
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Application publication date: 20170620 |