CN108046393A - A kind of preparation method of bisgallic acid Complex aluminium-iron - Google Patents
A kind of preparation method of bisgallic acid Complex aluminium-iron Download PDFInfo
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- CN108046393A CN108046393A CN201711341326.0A CN201711341326A CN108046393A CN 108046393 A CN108046393 A CN 108046393A CN 201711341326 A CN201711341326 A CN 201711341326A CN 108046393 A CN108046393 A CN 108046393A
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- preparation
- acid complex
- bisgallic acid
- iron
- aluminium
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Compounds Of Iron (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
A kind of preparation method of bisgallic acid Complex aluminium-iron, includes the following steps：S1, it is passed through after the sewage containing aqueous aluminium salt is cleaned in reaction tank, adds in dilute hydrochloric acid, be stirred, and temperature is controlled to obtain the first mixed liquor in preset range；S2, stirred after adding in ferrous sulfate into first mixed liquor, and temperature is controlled to obtain the second mixed liquor in predetermined value；S3, the pH that suitable calcium aluminate powder adjusts solution is added in into second mixed liquor, bisgallic acid Complex aluminium-iron is made after precipitation.The preparation method of heretofore described bisgallic acid Complex aluminium-iron uses trade waste to meet the fundamental state policy of energy-saving and emission-reduction, utilization of waste as resource for raw material；Have many advantages, such as that the cost of raw material is low, low energy consumption, pollution-free, operation intensity is small, yield is high.
Description
Technical field
The invention mainly relates to water purification agent preparing technical field, more particularly to a kind of preparation method of bisgallic acid Complex aluminium-iron.
Background technology
In recent years, as quickly propelling for urbanization progress brings cities and towns water and industry with China's rapid industrial development
With the quick surge of water, the factors such as the increasing of China's river pollution comprehensive treatment dynamics influence, in the production of some medication chemistries
Substantial amounts of aqueous aluminium salt waste liquid can be generated in the process, the solutions of these waste liquids is into a great problem of enterprise, it usually needs through one
Qualified discharge after series of processes so that enterprise increases cost, not only needs substantial amounts of infrastructure and equipment investment, also needs to pay
Huge running expense.How the aqueous aluminium salt in industrial waste to be turned waste into wealth, be it in the weight that current river pollution is administered
Weight.
Bisgallic acid Complex aluminium-iron is a kind of efficient, quick, low consumption, nontoxic, safe inorganic high efficient water purification agent of new generation, it collects
The advantages of aluminium salt system and molysite system efficient water-purifying agent, in one, has active constituent content high, basicity is high, and the degree of polymerization is big, divides
Subchain net gathers, huge structure, has stronger adsorption-condensation ability and more preferable clean-up effect during purification of water quality.It is skilful
It is wonderful using the compensatory of iron ion, effectively eliminate harm of the aluminium ion to human body in water purification.But in the prior art
Bisgallic acid Complex aluminium-iron preparation method, technique is typically more complicated, causes cost higher.
The content of the invention
Based on this, it is an object of the invention to provide a kind of preparation methods of bisgallic acid Complex aluminium-iron, are given birth to using medication chemistry
The aqueous aluminium salt waste liquid generated in the process is produced as raw material, energy-saving and emission-reduction.
A kind of preparation method of bisgallic acid Complex aluminium-iron, includes the following steps：
S1, it is passed through after the sewage containing aqueous aluminium salt is cleaned in reaction tank, adds in dilute hydrochloric acid, be stirred, and
Temperature is controlled to obtain the first mixed liquor in preset range；
S2, stirred after adding in ferrous sulfate into first mixed liquor, and control temperature in predetermined value, it is mixed to obtain second
Close liquid；
S3, the pH that suitable calcium aluminate powder adjusts solution is added in into second mixed liquor, bisgallic acid, which is made, after precipitation answers
Close ferro-aluminum.
Compared with prior art, it is the advantages of the preparation method of heretofore described bisgallic acid Complex aluminium-iron：Using
Trade waste is raw material, meets the fundamental state policy of energy-saving and emission-reduction, utilization of waste as resource；With the cost of raw material is low, energy
Consume the advantages that low, pollution-free, operation intensity is small, yield is high.
In the preparation method of above-mentioned bisgallic acid Complex aluminium-iron, Al in aqueous aluminium salt described in the step S12O3Content is
10%.
In the preparation method of above-mentioned bisgallic acid Complex aluminium-iron, the mass fraction model of the dilute hydrochloric acid is added in the step S1
It encloses for 23%~28%.
In the preparation method of above-mentioned bisgallic acid Complex aluminium-iron, the time stirred after the dilute hydrochloric acid is added in the step S1
When scope is 3~8 small.
In the preparation method of above-mentioned bisgallic acid Complex aluminium-iron, it is necessary to control temperature range when stirring in the step S1
Within 100 DEG C；, it is necessary to control temperature at 100 DEG C when being stirred in the step S2.
In the preparation method of above-mentioned bisgallic acid Complex aluminium-iron, added in the step S2 after the ferrous sulfate stir when
Between scope for 3~5 it is small when.
In the preparation method of above-mentioned bisgallic acid Complex aluminium-iron, when the time precipitated in the step S2 is 2 small.
In the preparation method of above-mentioned bisgallic acid Complex aluminium-iron, the scope of pH value of solution is adjusted in the step S2 3.5
Between~4.
In the preparation method of above-mentioned bisgallic acid Complex aluminium-iron, the reaction tank is the steel reinforced concrete knot of large-scale cellar type liner ceramic tile
Structure synthesis under normal pressure pond.
In the preparation method of above-mentioned bisgallic acid Complex aluminium-iron, the agitating mode in this method is steam-stirring.
Description of the drawings
Fig. 1 is the flow chart of the preparation method of bisgallic acid Complex aluminium-iron in one embodiment of the invention.
Following specific embodiment will be further illustrated the present invention with reference to above-mentioned attached drawing.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In attached drawing
Give several embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is made to the disclosure more thorough and comprehensive.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood meaning of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
Referring to Fig. 1, for the preparation method of the bisgallic acid Complex aluminium-iron in one embodiment of the invention, include the following steps：
S1, it is passed through after the sewage containing aqueous aluminium salt is cleaned in reaction tank, adds in dilute hydrochloric acid, be stirred, and
Temperature is controlled to obtain the first mixed liquor in preset range；
S2, stirred into first mixed liquor after the ferrous sulfate of addition content 8%, to increase the sulfate radical in material
And iron ion content, and temperature is controlled to obtain the second mixed liquor in predetermined value；
S3, the calcium aluminate powder for adding in appropriate content 4% into second mixed liquor adjust the pH of solution, are made after precipitation
Bisgallic acid Complex aluminium-iron.
In the preparation method of above-mentioned bisgallic acid Complex aluminium-iron, trade waste is used as raw material, is met energy-saving and emission-reduction, is discarded
The fundamental state policy of object recycling；With the cost of raw material is low, low energy consumption, pollution-free, operation intensity is small, yield is high etc.
Advantage.
In the present embodiment, Al in aqueous aluminium salt described in the step S12O3Content is 10%.
In the present embodiment, the mass fraction scope that the dilute hydrochloric acid is added in the step S1 is 23%~28%, is added
Enter the time range that is stirred after the dilute hydrochloric acid for 3~8 it is small when, the temperature that when stirring needs to control feed liquid is within 100 DEG C.
In the present embodiment, added in the step S2 time range that is stirred after the ferrous sulfate for 3~5 it is small when,
, it is necessary to control temperature at 100 DEG C during stirring, time of precipitation for 2 it is small when, adjust solution pH value scope 3.5~4 it
Between.
In the present embodiment, low-producing biography is replaced using the steel and concrete structure synthesis under normal pressure pond of large-scale cellar type liner ceramic tile
System high pressure enamel reaction still production equipment, yield is high, and recruitment is few, and service life of equipment is long, production safety；Using blowup
Mode replaces mechanical agitation, has saved electric energy.
In the present embodiment, by the impurity removing technology from aqueous aluminium salt solid waste, the aqueous of pharmaceutical and chemical enterprises discharge is utilized
Aluminium salt is raw material, after cleaning to it, carries out neutralization reaction, by adjusting the methods of pH value polymerize, is most prepared afterwards through dehydration
Bisgallic acid Complex aluminium-iron.
To sum up, the preparation method of heretofore described bisgallic acid Complex aluminium-iron uses trade waste to meet section for raw material
It can emission reduction, the fundamental state policy of utilization of waste as resource；With the cost of raw material is low, low energy consumption, pollution-free, operation intensity
Small, the advantages that yield is high.
Embodiment described above only expresses certain embodiment of the present invention, and description is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of preparation method of bisgallic acid Complex aluminium-iron, which is characterized in that include the following steps：
S1, it is passed through after the sewage containing aqueous aluminium salt is cleaned in reaction tank, adds in dilute hydrochloric acid, be stirred, and control
Temperature obtains the first mixed liquor in preset range；
S2, stirred after adding in ferrous sulfate into first mixed liquor, and temperature is controlled to obtain the second mixing in predetermined value
Liquid；
S3, the pH that suitable calcium aluminate powder adjusts solution is added in into second mixed liquor, bisgallic acid clad aluminum is made after precipitation
Iron.
2. the preparation method of bisgallic acid Complex aluminium-iron according to claim 1, which is characterized in that contain described in the step S1
Al in water aluminium salt2O3Content is 10%.
3. the preparation method of bisgallic acid Complex aluminium-iron according to claim 1, which is characterized in that add in institute in the step S1
The mass fraction scope for stating dilute hydrochloric acid is 23%~28%.
4. the preparation method of bisgallic acid Complex aluminium-iron according to claim 1, which is characterized in that add in institute in the step S1
State the time range that is stirred after dilute hydrochloric acid for 3~8 it is small when.
5. the preparation method of bisgallic acid Complex aluminium-iron according to claim 1, which is characterized in that stir in the step S1
When, it is necessary to control temperature range within 100 DEG C；, it is necessary to control temperature at 100 DEG C when being stirred in the step S2.
6. the preparation method of bisgallic acid Complex aluminium-iron according to claim 1, which is characterized in that add in institute in the step S2
State the time range that is stirred after ferrous sulfate for 3~5 it is small when.
7. the preparation method of bisgallic acid Complex aluminium-iron according to claim 1, which is characterized in that precipitated in the step S2
When time is 2 small.
8. the preparation method of bisgallic acid Complex aluminium-iron according to claim 1, which is characterized in that adjusted in the step S2 molten
The scope of the pH value of liquid is between 3.5~4.
9. the preparation method of bisgallic acid Complex aluminium-iron according to claim 1, which is characterized in that the reaction tank is large-scale ground
The steel and concrete structure synthesis under normal pressure pond of cellar for storing things formula liner ceramic tile.
10. the preparation method of bisgallic acid Complex aluminium-iron according to claim 1, which is characterized in that the stirring side in this method
Formula is steam-stirring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711341326.0A CN108046393A (en) | 2017-12-14 | 2017-12-14 | A kind of preparation method of bisgallic acid Complex aluminium-iron |
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| CN201711341326.0A CN108046393A (en) | 2017-12-14 | 2017-12-14 | A kind of preparation method of bisgallic acid Complex aluminium-iron |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5156562A (en) * | 1974-11-12 | 1976-05-18 | Oji Paper Co | Sekidei oryoshita parupuhaisuino gyoshushorihoho |
| CN101691252A (en) * | 2009-09-21 | 2010-04-07 | 同济大学 | Method for preparing double-acid ferro-aluminum flocculating agent |
| CN105692836A (en) * | 2016-03-21 | 2016-06-22 | 广西福斯特再生资源环保科技有限公司 | Organic and inorganic polymer composite flocculant and preparation method thereof |
-
2017
- 2017-12-14 CN CN201711341326.0A patent/CN108046393A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5156562A (en) * | 1974-11-12 | 1976-05-18 | Oji Paper Co | Sekidei oryoshita parupuhaisuino gyoshushorihoho |
| CN101691252A (en) * | 2009-09-21 | 2010-04-07 | 同济大学 | Method for preparing double-acid ferro-aluminum flocculating agent |
| CN105692836A (en) * | 2016-03-21 | 2016-06-22 | 广西福斯特再生资源环保科技有限公司 | Organic and inorganic polymer composite flocculant and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 红军等: "《最新实用致富大全》", 31 January 1990, 大连出版社 * |
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