CN1055670C - Method for producing water purifying agent using powder AD-5 as raw material - Google Patents
Method for producing water purifying agent using powder AD-5 as raw material Download PDFInfo
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- CN1055670C CN1055670C CN97120346A CN97120346A CN1055670C CN 1055670 C CN1055670 C CN 1055670C CN 97120346 A CN97120346 A CN 97120346A CN 97120346 A CN97120346 A CN 97120346A CN 1055670 C CN1055670 C CN 1055670C
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- pulvis
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- purifying agent
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 239000002994 raw material Substances 0.000 title abstract description 5
- 239000012629 purifying agent Substances 0.000 title abstract 6
- 239000000843 powder Substances 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title description 5
- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000000746 purification Methods 0.000 claims abstract description 23
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 18
- 239000004411 aluminium Substances 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 11
- 238000001556 precipitation Methods 0.000 claims description 7
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 6
- 239000004615 ingredient Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 42
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 abstract description 19
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 19
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 5
- 150000002500 ions Chemical class 0.000 abstract description 5
- 239000002244 precipitate Substances 0.000 abstract description 4
- 239000008399 tap water Substances 0.000 abstract description 3
- 235000020679 tap water Nutrition 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- LVYZJEPLMYTTGH-UHFFFAOYSA-H dialuminum chloride pentahydroxide dihydrate Chemical compound [Cl-].[Al+3].[OH-].[OH-].[Al+3].[OH-].[OH-].[OH-].O.O LVYZJEPLMYTTGH-UHFFFAOYSA-H 0.000 abstract 2
- -1 and therefore Chemical compound 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 239000008235 industrial water Substances 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 description 5
- 239000001117 sulphuric acid Substances 0.000 description 4
- 235000011149 sulphuric acid Nutrition 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000002939 deleterious effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- WAKTWVHWRCNIKU-UHFFFAOYSA-N S(=O)(=O)(O)O.[AlH3] Chemical compound S(=O)(=O)(O)O.[AlH3] WAKTWVHWRCNIKU-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 238000000247 postprecipitation Methods 0.000 description 1
- DPLVEEXVKBWGHE-UHFFFAOYSA-N potassium sulfide Chemical compound [S-2].[K+].[K+] DPLVEEXVKBWGHE-UHFFFAOYSA-N 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
Landscapes
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention relates to a method for preparing a water purifying agent by using powder AD-15. The water purifying agent can be used for processing tap water, industrial water and sewage. In the method, 10 to 15 wt% of aluminum, 70 to 75 wt% of Al2O3, 2 to 10 wt% of SiO2, 2 to 6 wt% of MgO and powder AD-15 in which the content of C is lower than 2% react with sulfuric acid or hydrochloric acid, and therefore, aluminum sulfate or aluminum chlorohydrate which can be used as the water purifying agent is obtained. After the reaction of the sulfuric acid and the powder AD-15, a small amount of water-soluble sulfide is added before filtration, so heavy metal ions can react with the sulfide to generate insoluble precipitates, and the insoluble precipitates are removed by filtering. The present invention uses powder AD-15 as a raw material to react with sulfuric acid or hydrochloric acid and prepare aluminum sulfate or aluminum chlorohydrate which is used as the water purifying agent, and the water purifying agent has the advantages of good water purification effect and low cost.
Description
The present invention relates to the production method of the water purification agent that a kind of water treatment uses.This water purification agent can be used for handling tap water, process water and sewage.
The raw material that is used to produce water purification agent at present is many, as patent documentation CN1069008A, CN1072157A, CN1076429A, CN1067031A, CN1072157A, CN10189988B, CN1020710C, shown in the CN1009190B, but these cost of material are all more expensive, thereby improved the manufacturing cost of water purification agent.
The objective of the invention is to provide a kind of method of producing water purification agent with pulvis AD-15, this method adopts cheap AD-15 as the raw material of producing water purification agent, thereby has reduced the manufacturing cost of water purification agent.
The object of the present invention is achieved like this:
The chemical ingredients of pulvis AD-15 of the present invention (weight %) is: metallic aluminium 10～15%, Al
2O
370～75%, SiO
22～10%, MgO2～6%, C＜2%.To contain pulvis AD-15 and the sulfuric acid or the hydrochloric acid reaction of mentioned component, thereby obtain can be used as Tai-Ace S 150 or the polymerize aluminum chloride that water purification agent uses.
In addition, when using pulvis AD-15 to make feedstock production Tai-Ace S 150 water purification agent, because the deleterious heavy metal that may mix among the pulvis AD-15 containing under the deleterious heavy metal situation, should add an amount of water-soluble sulfide.Heavy metal ion forms throw out with the sulfide reaction, removes the heavy metal precipitation thing with filter method, thereby obtains meeting the desired Tai-Ace S 150 of water purification agent.
Below in conjunction with embodiment method of the present invention is described in detail:
One, be metallic aluminium 10～15% with chemical ingredients (weight %), Al
2O
370～75%, SiO
22～10%, MgO 2～6%, and it is 15～30% sulfuric acid that the pulvis AD-15 of C＜2% puts into concentration.Metallic aluminium among the pulvis AD-15 and Al
2O
3With sulfuric acid reaction, generate hydrogen and Tai-Ace S 150.1Kg pulvis AD-15 and 5～7 liters of effects of sulfuric acid of 15～30%, metallic aluminium among the pulvis AD-15 and Al
2O
3Behind sulfuric acid reaction, filter, drying obtains solid sulphuric acid aluminium under temperature more than 100 ℃.
Its chemical equation is:
That is: 54Kg metallic aluminium and 294Kg sulfuric acid reaction generate 6Kg hydrogen and 342Kg Tai-Ace S 150.Resultant dissolves in water, with moisture evaporation, just obtains solid sulphuric acid aluminium after the filtration.During use the solid sulphuric acid al dissolution is become solution, directly use flowing fluid ratio more convenient.
Time reaction is very strong with vitriol oil direct reaction because of pulvis AD-15, carries out for making sluggish, reacts after becoming 15～30% dilute sulphuric acid again.
In the preparation process of pulvis AD-15, trace heavy metals or compound might be sneaked into wherein, are mixed with heavy metal substance in the Tai-Ace S 150 water purification agent that causes obtaining with aforesaid method, even contain heavy metal substance, as long as water insoluble, can be removed by filter method; But exist as heavy metal ion if heavy metal is dissolved in the water, will influence the functional quality of this water purification agent.Available following method is removed these beavy metal impurities:
In sulfuric acid and pulvis AD-15 reaction back, filter before, according to the heavy metal content that records how much add the respective amount water-soluble sulfide, as sodium sulphite (Na
2S), potassium sulphide (K
2S) etc., heavy metal ion forms insoluble precipitate with the sulfide reaction, removes these insoluble heavy metal precipitation things with filter method, thereby obtains satisfactory Tai-Ace S 150 water purification agent.
Its chemical equation is:
Two, be metallic aluminium 10～15% with chemical ingredients (weight %), Al
2O
370～75%, SiO
22～10%, it is 20% hydrochloric acid that MgO2～6%, the pulvis AD-15 of C＜2% are put into concentration, 1kg pulvis AD-15 and 2～4 liters of effects of 20% hydrochloric acid.After pulvis AD-15 dissolves in hydrochloric acid, constantly stir, prevent that pulvis AD-15 is sunken to the bottom and assurance reacts completely.React after 6～10 hours, the levelling reaction soln, making its proportion is 1.2～1.3/cm
3, insulation makes its natural reaction, polymerization then.All the time keep PH in the reaction process between 3.5～4.5, react after 24 hours, solution is filtered and removes precipitation and obtain polymerize aluminum chloride.
Embodiment 1:(1) preparation of Tai-Ace S 150
According to reaction formula (1), metallic aluminium: sulfuric acid=54: 294 can make 342 (g) Tai-Ace S 150 after the reaction.
With 100g chemical ingredients (weight %) is metallic aluminium 15%, Al
2O
372%, SiO
27%, MgO4.5% after the sulfuric acid 600ml reaction of the pulvis AD-15 of C1.5% same 28%, filters, and drying obtains 130g Tai-Ace S 150 under temperature more than 100 ℃.
The comparison of the theoretical value of various consumptions and experimental value when table 1 is to use pure metallic aluminum, pulvis AD-15 and sulfuric acid reaction.
Table 1
| AD-15 | Metallic aluminium | Sulfuric acid | Tai-Ace S 150 | |
| Pure metallic aluminum | 0 | 54g | 294g | 342g |
| The theoretical volume value of AD-15 | 100g | 15g | 82g | 95g |
| AD-15 tests volume value | 100g | 15g | 120g (annotating 1) | 130g |
Annotate 1: in the experiment, the also same sulfuric acid reaction of aluminium sesquioxide beyond the metallic aluminium.So the vitriolic actual amount is greater than theoretical consumption.
In the time of can being clear that from table 1 metallic aluminium among the pulvis AD-15 is with sulfuric acid reaction, the vitriolic actual amount increases.This just illustrates that a part of aluminium sesquioxide among the pulvis AD-15 is also with sulfuric acid reaction.Aluminium sesquioxide in pulvis AD-15 not exclusively is stable α type, also exists unsettled aluminium sesquioxide.From the X-ray analysis of pulvis AD-15, α type Al
2O
3Account for 50%,, also there are unsettled β, γ type simultaneously.In the scale operation test,, can make 1300kg Tai-Ace S 150 with 5000～7000 liters in 1000kg pulvis AD-15,15～30% sulfuric acid.(2) heavy metal removes
After sulfuric acid and pulvis AD-15 reaction, before the filtration, in 100 gram alum liquors, add the Na of 0.1 gram
2S.The same Na of heavy metal ion
2The S reaction forms insoluble precipitate, removes these insoluble heavy metal precipitation things with filter method, thereby obtains satisfactory Tai-Ace S 150 water purification agent.
In the repetition test process, find that Mn content when the 80ppm left and right sides, adds minor N a
2Behind the S solution, by stirring, filtering, the Mn amount is reduced to below the 5ppm in the Tai-Ace S 150.
Table 2 is to use Na
2S as the precipitation agent treatment soln after, the analytical results of heavy metal in the Tai-Ace S 150 that makes.
Heavy metal composition in table 2 Tai-Ace S 150
| Project | Analytical results | Analytical procedure |
| PH(1g/100ml，21℃) | 3.9 | The 1g/100ml glass electrode method |
| AS(wt ppm) | ＜5 | The DDTC-Ag method |
| Mn(wt ppm) | ＜5 | The 1cp luminescence analysis |
| Cd(wt ppm) | ＜2 | Atomic absorption method |
| pb(wt ppm) | ＜10 | Atomic absorption method |
| Hg(wt ppm) | ＜0.5 | The reduction-oxidation atomic absorption method |
| Sexavalence Cr (wt ppm) | ＜10 | Diphenyl caubazid method |
The result of table 2 shows: when preparing water purification agent Tai-Ace S 150 with pulvis AD-15, use Na
2After S removed heavy metal, the Tai-Ace S 150 that makes met the standard of Chinese water purification agent fully.
Embodiment 2: the preparation of polymerize aluminum chloride
With 100g chemical ingredients (weight %) is metallic aluminium 15%, Al
2O
372%, SiO
27%, MgO 4.5%, and the pulvis AD-15 of C 1.5% adds 20% hydrochloric acid 300ml, after pulvis AD-15 dissolves in hydrochloric acid, stirs, and prevents that pulvis AD-15 is sunken to the bottom and assurance reacts completely; React after 8 hours, the levelling reaction soln, making its proportion is 1.25g/cm
3, insulation at room temperature makes its natural reaction, polymerization then; All the time keep PH in the reaction process between 3.5～4.5, react after 24 hours, solution is filtered and removes precipitation and obtain polymerize aluminum chloride.
Water purification agent-polymerize aluminum chloride with aforesaid method obtains carries out the water purification test to Qingdao Laoshan raw water reservoir, and it the results are shown in Table 3.
From above-mentioned experimental result, the present invention with pulvis AD-15 as raw material and sulfuric acid or hydrochloric acid reaction makes water purification agent-Tai-Ace S 150 or its purifying water effect of polymerize aluminum chloride is good.But safe handling tap water.But the inventive method is lower than traditional method cost.From the cyclic chemical angle, the water purification agent that makes with pulvis AD-15 carries out water treatment and has higher utility.
Table 3 purifying water effect analysis of control table
| Project | Unit | The Laoshan raw water reservoir | Purify post precipitation water | The drinking water sanitary standard GB5749 of country |
| Turbidity | Degree | 55 | 3 | ≤3 |
| Colourity | Degree | 36 | ＜5 | ≤15 |
| Smell and distinguish the flavor of | Level | 2 | 1 | Foreign odor, peculiar smell must not be arranged |
| The naked eyes visible | Have | Do not have | Must not contain | |
| PH | 6.75 | 6.75 | 6.5～8.5 | |
| Ammonia nitrogen | mg/l | 0.156 | 0.212 | |
| Cl - | mg/l | 12.8 | 16.5 | ≤250 |
| SO 4 -2 | mg/l | 26 | 30 | ≤250 |
| Fe | mg/l | 0.08 | 0.06 | ≤0.1 |
| Mn | mg/l | 0.08 | 0.06 | ≤0.1 |
| Cu | mg/l | ＜0.05 | ＜0.05 | ≤0.1 |
| Zn | mg/l | 0.16 | 0.01 | ≤0.1 |
| As | mg/l | ＜0.01 | ＜0.01 | ≤0.05 |
| Cd | mg/l | ＜0.01 | ＜0.01 | ≤0.01 |
| Pb | mg/l | ＜0.05 | ＜0.05 | ≤0.05 |
| Prussiate | mg/l | ＜0.002 | 0.0026 | ≤0.05 |
Claims (1)
1, a kind of method of producing the poly aluminium chloride water purification agent is characterized in that chemical ingredients (weight %) is metallic aluminium 10～15%, Al
2O
370～75%, SiO
22～10%, MgO 2～6%, it is 20% hydrochloric acid that the pulvis AD-15 of C＜2% puts into concentration, 1kg pulvis AD-15 and 2～4 liters of effects of 20% hydrochloric acid after pulvis AD-15 dissolves in hydrochloric acid, are constantly stirred, prevent that pulvis AD-15 is sunken to the bottom and assurance reacts completely, react after 6～10 hours, the levelling reaction soln, making its proportion is 1.2～1.3g/cm
3, insulation makes its natural reaction, polymerization then, keeps PH in the reaction process all the time between 3.5～4.5, reacts after 24 hours, solution is filtered and removes precipitation and obtain polymerize aluminum chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97120346A CN1055670C (en) | 1997-12-11 | 1997-12-11 | Method for producing water purifying agent using powder AD-5 as raw material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97120346A CN1055670C (en) | 1997-12-11 | 1997-12-11 | Method for producing water purifying agent using powder AD-5 as raw material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1184779A CN1184779A (en) | 1998-06-17 |
| CN1055670C true CN1055670C (en) | 2000-08-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97120346A Expired - Fee Related CN1055670C (en) | 1997-12-11 | 1997-12-11 | Method for producing water purifying agent using powder AD-5 as raw material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1055670C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195749B (en) * | 2015-10-10 | 2017-05-17 | 江苏海光金属有限公司 | Production system for manufacturing AD powder through scrap aluminum |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2224888A (en) * | 1938-03-16 | 1940-12-17 | John H Walthall | Making aluminum sulphate |
| US2350575A (en) * | 1941-03-11 | 1944-06-06 | Pennsylvania Salt Mfg Co | Manufacture of aluminum sulphate products |
| CN87103009A (en) * | 1987-05-06 | 1987-09-30 | 德阳市孝泉化工厂 | The production method of poly aluminum chloride compound |
| CN1069006A (en) * | 1991-07-30 | 1993-02-17 | 湖南永兴县化学钙塑厂 | A kind of method of producing polymerize aluminum chloride |
| CN1153141A (en) * | 1996-08-15 | 1997-07-02 | 张德明 | Process for producing liquid aluminium sulfate by one-step acid dissolving through natural reaction |
-
1997
- 1997-12-11 CN CN97120346A patent/CN1055670C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2224888A (en) * | 1938-03-16 | 1940-12-17 | John H Walthall | Making aluminum sulphate |
| US2350575A (en) * | 1941-03-11 | 1944-06-06 | Pennsylvania Salt Mfg Co | Manufacture of aluminum sulphate products |
| CN87103009A (en) * | 1987-05-06 | 1987-09-30 | 德阳市孝泉化工厂 | The production method of poly aluminum chloride compound |
| CN1069006A (en) * | 1991-07-30 | 1993-02-17 | 湖南永兴县化学钙塑厂 | A kind of method of producing polymerize aluminum chloride |
| CN1153141A (en) * | 1996-08-15 | 1997-07-02 | 张德明 | Process for producing liquid aluminium sulfate by one-step acid dissolving through natural reaction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1184779A (en) | 1998-06-17 |
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