CN1948175A - Organic composite polymeric biacid aluminium chloride and its preparation technology - Google Patents
Organic composite polymeric biacid aluminium chloride and its preparation technology Download PDFInfo
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- CN1948175A CN1948175A CN 200510030408 CN200510030408A CN1948175A CN 1948175 A CN1948175 A CN 1948175A CN 200510030408 CN200510030408 CN 200510030408 CN 200510030408 A CN200510030408 A CN 200510030408A CN 1948175 A CN1948175 A CN 1948175A
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- aluminium
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- aluminium chloride
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Abstract
The present invention relates to an organic composite polymerized double-acid aluminium chloride. It is characterized by that its effective components are: Al2O3 4-16% (m/m), SO42- and PO43- 1.0-6% Om/m), organic high molecule content 0.5-4%, alkalinity 40-90%, density 1.10-1.38 g/ml and pH value 2-4. Its preparation method includes the following steps: firstly, making hydrochloric acid and aluminium-containing raw material produce reaction to obtain active general aluminium polychloride, then in the aluminium polychloride liquor adding the acid containing anionic acid radical or salt having high solubility in water and organic high-molecule coagulant aids, heating temperature to 80-130 deg.C and making reaction for 1-4 h so as to obtain the invented product.
Description
Technical field
The present invention relates to a kind of organic composite polymeric biacid aluminium chloride and preparation technology thereof, can be used as coagulating agent, be used for the coagulant precipitation process of water technology.
The primary reinforcement that organic composite polymeric biacid aluminium chloride is used to feed water with municipal effluent flocculates the coagulant precipitation of wastewater treatment.
Background technology
In water treatment, coagulant precipitation is a significant element operation steps of removing water-borne glue body suspended impurity, organic impurities, the effect of coagulant precipitation determines the cost of final water treatment effect and water treatment, present many water treatment enterprises are because source water quality worsens and the increase of water treatment amount, and water treatment building also has little time to enlarge and increase, and this just requires the water treatment coagulation effect of coagulating agent to improve.At present, inorganic polymer coagulant such as polymerize aluminum chloride, aluminium iron polychloride are widely used, but with respect to present some water technologies, have still that speed of response is slow, the flocculation vanadium is spent deficiencies such as little; In inorganic polymer coagulant, add single organic polymer coagulant aids and also be applied, but, the colloid in the water is taken off surely fully because speed of response is slow.
Summary of the invention
The objective of the invention is to invent a kind of can rapid reaction, the water-borne glue body is taken off surely fast, can form the organic composite polymeric biacid aluminium chloride that big vanadium flower can rapid precipitation again.
For realizing above purpose, technical scheme of the present invention provides a kind of organic composite polymeric biacid aluminium chloride, it is characterized in that, its effective constituent is: alchlor Al
2O
34-16% (m/m); Negatively charged ion acid group 1.0-6% (m/m); Organic macromolecule content 0.5-4%; Basicity is 40-90%; Density 1.10-1.38 grams per milliliter; PH value 2-4.
Described negatively charged ion acid group is sulfate radical SO
4 2-With phosphate radical PO
4 3-
A kind of preparation technology of organic composite polymeric biacid aluminium chloride is characterized in that, this technology comprises:
Be to add in the hydrochloric acid of 10-31% (m/m) to contain the aluminium starting material at first in concentration, stirring reaction 1-4 hour, Al
2O
3Content is that 4-18%, basicity are the polymerize aluminum chloride liquid of 40-90%; In above-mentioned polymerize aluminum chloride liquid, add energy and Al then
3+Forming the acid group of hydrogen bond, and can be dissolved in the organic polymer coagulant aids in the polymerize aluminum chloride, is under 80-130 ℃ the condition in reactor or retort stirring reaction 1-4 hour in temperature, finally prepares organic composite polymeric biacid aluminium chloride.
The described aluminium starting material that contain are hydrogen aluminium, bauxitic clay, calcium aluminate powder; Described negatively charged ion acid group, energy and the Al of containing
3+The acid group material that forms hydrogen bond is sulfuric acid, phosphoric acid, the vitriol that high-dissolvability is arranged in water, the phosphoric acid salt of any concentration; Described organic polymer coagulant aids is HCA (a poly dimethyl allyl ammonia chloride), and solid content is 20-40%.
The present invention adds the negatively charged ion acid group earlier in polymerize aluminum chloride, utilize acid ion energy and Al
3+Form hydrogen bond, increase the molecular weight of polymeric aluminum itself and the quantity of electric charge of individual molecule, the water-borne glue body is taken off surely fast; In above-mentioned inorganic polymer, add organic polymer again, impel the vanadium flower can form big vanadium flower at short notice, be beneficial to precipitation,
Thereby negative charge colloidal speed, ability and vanadium flower settling velocity in the raising product and in the water.
Advantage of the present invention is to possess more good coagulation effect than polymerize aluminum chloride and some composite prods thereof, and the colloid in the water is taken off surely fast, improves the ability of removing impurity in the water.Particularly poor because of source water quality, that the water treatment amount surpasses the water technology of designed capacity effluent quality and water treatment capacity for improving.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Embodiment 1
The hydrochloric acid that claims 58.5 gram concentration 31% adds 26.5 gram aluminium hydroxides, and this aluminium hydroxide contains Al
2O
3% is 64% (m/m), and stirring reaction 4 hours obtains containing Al
2O
3Be the polymerize aluminum chloride liquid of 17.8% (m/m), in aforesaid liquid, add sulfuric acid (50%) 12 gram, add HCA 2.7 grams simultaneously, remain on 120-130 ℃ of reaction 3 hours, obtain containing Al
2O
3Be 15.6% (m/m); Basicity is 40%; Density 1.35 gram/milligrams; Sulfur-bearing acid group SO
4 2-5.6%; Contain HCA2.9%; PO
4 3-The product of pH value 2.5.
The first step is produced the chemical equation of polymerize aluminum chloride:
It is to utilize sulfate radical wherein to form the hydrogen bond bridging action that second step added sulfuric acid, to form the macromole inorganic polymer.Add HCA and form organic, inorganic mixture.
Embodiment 2
The electronics by-product hydrochloric acid that claims 83.3 gram concentration 15%, Al in this hydrochloric acid
2O
3% is 3%, is heated to 50 ℃, adds 14.2 gram calcium aluminate powders, and this calcium aluminate powder contains Al
2O
3% is 50% (m/m), and containing total calcium is 30% (m/m), and stirring reaction 4 hours obtains containing Al
2O
3Be the polymerize aluminum chloride liquid of 9.1% (m/m), in aforesaid liquid, add phosphoric acid (85%) 1.6 gram, add HCA 0.9 gram simultaneously and remain on 80-130 ℃ of reaction 3 hours, obtain containing Al
2O
3Be 8.7% (m/m); Basicity is 80%, density 1.22 gram/milligrams, contain PO
4 3-1.3%; Contain HCA0.5%; The product of pH value 3.5.
The first step is produced the chemical equation of polymerize aluminum chloride:
Second step is with example 1
Below be synthesizing formula and the product composition table of embodiment 1-4, embodiment 3,4 its preparation process are identical with embodiment 2.
The synthesizing formula of table one and product composition
| No. | Polymerize aluminum chloride content and weight | The salt that adds phosphoric acid or phosphorous acid group | Add sulfuric acid or Tai-Ace S 150 | Add HCA | Phosphoric acid, sulfate radical content in the product | The content of HCA in the product |
| Embodiment 1 | 17.8% 85.3 gram | / | Add sulfuric acid 12 grams | 2.7 | 5.6％ | 2.9％ |
| Embodiment 2 | 9.1% 97.5 gram | 1.6 gram | / | 0.9 | 1.3％ | 0.83％ |
| Embodiment 3 | 15% 90 grams | / | Add Tai-Ace S 150 9 grams | 1 | 4％ | 0.9％ |
| Embodiment 4 | 10% 96.2 gram | Add biphosphate sodium 2.9 grams | / | 0.9 | 2.2％ | 1％ |
Application example:
Above embodiment 1, embodiment 2 products are used for Yangtze River Water handle in power plant's big production experiment coagulation turbidity removal, while and polymerize aluminum chloride are done contrast.Raw water turbidity 40NTU, 25 ℃ of water temperatures, pH value 7.2, result is seen
The coagulation turbidity removal effect of table two aluminum chlorate of polymerized silicic acid
From above result as seen, the coagulation turbidity removal effect of organic composite polymeric biacid aluminium chloride is obviously improved.Reaching on the basis of same water treatment effect, using aluminum chlorate of polymerized silicic acid can save dosage 30-40% than polymeric aluminum.
Claims (6)
1. an organic composite polymeric biacid aluminium chloride is characterized in that, its effective constituent is: alchlor Al
2O
34-16% (m/m); Negatively charged ion acid group 1.0-6% (m/m); Organic macromolecule content 0.5-4%; Basicity is 40-90%; Density 1.10-1.38 grams per milliliter; PH value 2-4.
2. a kind of organic composite polymeric biacid aluminium chloride according to claim 1 is characterized in that, described negatively charged ion acid group is sulfate radical SO
4 2-With phosphate radical PO
4 3-
3. the preparation technology of an organic composite polymeric biacid aluminium chloride is characterized in that, this technology comprises: be to add in the hydrochloric acid of 10-31% (m/m) to contain the aluminium starting material at first in concentration, stirring reaction 1-4 hour, Al
2O
3Content is that 4-18%, basicity are the polymerize aluminum chloride liquid of 40-90%; In above-mentioned polymerize aluminum chloride liquid, add energy and Al then
3+Forming the acid group of hydrogen bond, and can be dissolved in the organic polymer coagulant aids in the polymerize aluminum chloride, is under 80-130 ℃ the condition in reactor or retort stirring reaction 1-4 hour in temperature, finally prepares organic composite polymeric biacid aluminium chloride.
4. the preparation technology of a kind of organic composite polymeric biacid aluminium chloride according to claim 3 is characterized in that, the described aluminium starting material that contain are hydrogen aluminium, bauxitic clay, calcium aluminate powder.
5. the preparation technology of a kind of organic composite polymeric biacid aluminium chloride according to claim 3 is characterized in that, described negatively charged ion acid group, energy and the Al of containing
3+The acid group material that forms hydrogen bond is sulfuric acid, phosphoric acid, the vitriol that high-dissolvability is arranged in water, the phosphoric acid salt of any concentration.
6. the preparation technology of a kind of organic composite polymeric biacid aluminium chloride according to claim 3 is characterized in that, described organic polymer coagulant aids is HCA (a poly dimethyl allyl ammonia chloride), and solid content is 20-40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510030408 CN1948175A (en) | 2005-10-12 | 2005-10-12 | Organic composite polymeric biacid aluminium chloride and its preparation technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510030408 CN1948175A (en) | 2005-10-12 | 2005-10-12 | Organic composite polymeric biacid aluminium chloride and its preparation technology |
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|---|---|
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104709990A (en) * | 2015-03-20 | 2015-06-17 | 杭州萧山三江净水剂有限公司 | Special poly aluminum chloride for municipal water supply and preparation method of poly aluminum chloride |
| CN109970110A (en) * | 2019-03-26 | 2019-07-05 | 岳阳林纸股份有限公司 | A kind of preparation method of HCA-PAC composite water disposal agent |
| CN111003772A (en) * | 2019-12-13 | 2020-04-14 | 杭州萧山三江净水剂有限公司 | Preparation method of dephosphorization polymeric aluminum iron and closed reaction kettle for preparation |
| CN111115781A (en) * | 2020-01-05 | 2020-05-08 | 广东佰国环保科技有限公司 | Production method of high-salinity high-sulfate polyaluminium chloride sulfate |
-
2005
- 2005-10-12 CN CN 200510030408 patent/CN1948175A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104709990A (en) * | 2015-03-20 | 2015-06-17 | 杭州萧山三江净水剂有限公司 | Special poly aluminum chloride for municipal water supply and preparation method of poly aluminum chloride |
| CN109970110A (en) * | 2019-03-26 | 2019-07-05 | 岳阳林纸股份有限公司 | A kind of preparation method of HCA-PAC composite water disposal agent |
| CN111003772A (en) * | 2019-12-13 | 2020-04-14 | 杭州萧山三江净水剂有限公司 | Preparation method of dephosphorization polymeric aluminum iron and closed reaction kettle for preparation |
| CN111003772B (en) * | 2019-12-13 | 2022-08-23 | 杭州萧山三江净水剂有限公司 | Preparation method of dephosphorization polymeric aluminum iron and closed reaction kettle for preparation |
| CN111115781A (en) * | 2020-01-05 | 2020-05-08 | 广东佰国环保科技有限公司 | Production method of high-salinity high-sulfate polyaluminium chloride sulfate |
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