CN101531389A - Method for producing polyaluminium chloride - Google Patents
Method for producing polyaluminium chloride Download PDFInfo
- Publication number
- CN101531389A CN101531389A CN200910097031A CN200910097031A CN101531389A CN 101531389 A CN101531389 A CN 101531389A CN 200910097031 A CN200910097031 A CN 200910097031A CN 200910097031 A CN200910097031 A CN 200910097031A CN 101531389 A CN101531389 A CN 101531389A
- Authority
- CN
- China
- Prior art keywords
- water
- calcium aluminate
- temperature
- aluminate powder
- mother liquor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 title abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000000047 product Substances 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000002893 slag Substances 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 7
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 35
- 239000012452 mother liquor Substances 0.000 claims description 23
- 239000012530 fluid Substances 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 13
- 238000003786 synthesis reaction Methods 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 239000004411 aluminium Substances 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 6
- 239000007795 chemical reaction product Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 239000002699 waste material Substances 0.000 abstract description 7
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 235000020188 drinking water Nutrition 0.000 abstract description 3
- 239000003651 drinking water Substances 0.000 abstract description 3
- 239000010413 mother solution Substances 0.000 abstract 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 2
- 229910052593 corundum Inorganic materials 0.000 abstract 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 2
- 239000012263 liquid product Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention relates to a method for producing polyaluminium chloride as a drinking water treating agent, which uses 1 ton of liquid product which contains 10 percent of Al2O3 in mass content as a mother solution of which total output is 15 to 40 percent in percentage by mass. The mother solution is added with 200 to 210 kilograms of calcium aluminate powder in one step under a stirring state, wherein the content of the Al2O3 is 51 to 52 percent. Under normal temperature, industrial synthetic hydrochloric acid with 100 percent of mass concentration is added into the mother solution, and the weight of the industrial synthetic hydrochloric acid is 0.65 to 0.83 of the calcium aluminate powder. When the temperature is raised to 55 DEG C, 661.8 to 624.9 kilograms of water is added into the mother solution, and the flow is controlled within a reaction temperature of between 87 and 100 DEG C. When the temperature finally does not reach 87 DEG C, steam is supplemented, and water quantity is deducted. When the reaction is carried out for 2 to 3 hours, liquid and slag are separated. The raw material variety of the invention is little, the process flow is short, the reaction is shortened by one third, the harmful substances are controlled in a standard range, the cost is lowered, the waste slag is little, and the obtained product has clear color and good quality.
Description
Technical field
The present invention belongs to the processing group of water, waste water, sewage or mud in International Patent Classification (IPC), i.e. C02F, the particularly production method of the treatment agent-poly aluminium chloride of tap water.
Background technology
Since ancient times, the treatment process of water has natural sedimentation, husky filter and alum to coagulate wadding.There has been well behaved poly aluminium chloride water conditioner nineteen sixties.Said poly aluminium chloride is a raw material with aluminium bits or aluminium ash or aluminium slag, makes with hydrochloric acid reaction.In the product that this method is produced, impurity is many, and heavy metal content exceeds standard, and production process produces flammable explosive gas such as a large amount of hydrogen, hydrogenchloride simultaneously, so security is relatively poor, can not form scale production.Products obtained therefrom can not be as the drinking water treatment agent.In the production of drinking water treatment agent poly aluminium chloride, adopt two-step approach to produce.The first step is raw material or is that raw material reacts with bauxitic clay, industrial synthesis hydrochloric acid with aluminium hydroxide, industrial synthesis hydrochloric acid.In second step, add calcium aluminate powder again and finish final reaction.When being raw material with aluminium hydroxide, production cost height, valuable product; When being raw material with the bauxitic clay, product impurity is many, heavy metals exceeding standard, and waste residue is many simultaneously, brings environmental protection pressure.It is long that two-step approach is produced relative technical process, and the reaction times reached more than 4 hours, and complicated operation.Along with the process of the strategy of sustainable development, press for the new water conditioner that super quality and competitive price are easy to promote, particularly tap water water conditioner.Through the retrieval of country-level retrieval unit, fail to detect new technical scheme.
Summary of the invention
The objective of the invention is to explore the new production method of poly aluminium chloride, it can be used for as the former water treatment in the ground of tap water.The requirement raw material is simple, the reaction times is short, production cost is low, and waste residue is few simultaneously, is beneficial to environmental improvement.
For achieving the above object, it is as follows to disclose new technical scheme:
A kind of production method of poly aluminium chloride is a raw material with aluminium element and industrial synthesis hydrochloric acid, it is characterized in that with 10%Al per ton
2O
3The liquid end product meter of mass content, technical recipe is:
Aluminium element is calcium aluminate powder 200～210kg, the Al of said calcium aluminate powder
2O
3Content is 51～52% (acid pasting);
The quality that is converted into the industrial synthesis hydrochloric acid of 100% mass concentration is 0.65～0.83 of an above-mentioned calcium aluminate powder;
Water 661.8～624.9kg.
Processing step is:
The preparation mother liquor calculates by mother liquor amount/(mother liquor amount+newly form product volume), and getting the poly aluminium chloride finished fluid is 15～40% (mass ratioes) of ultimate production, as mother liquor, and the adding reaction vessel.
Under the continuous stirring condition of above-mentioned mother liquor, once add calcium aluminate powder;
Under the normal temperature, add industrial synthesis hydrochloric acid again;
Add water, begin to add water when temperature of charge to 55 in the reaction vessel ℃～70 ℃, flow control when adding water is controlled in 87～100 ℃ of scopes the solution reaction temperature.When if temperature does not reach 87 ℃, need to mend steam, should deduct the water yield that quantity of steam be converted in the Total Water this moment;
Add calcium aluminate powder from reaction vessel and pick up counting, parting liquid, slag after 2～3 hours, said separation comprises centrifuging or filter press technique;
Separating obtained clear liquid is a finished fluid, chemically examines metering of qualified back and warehouse-in, and wherein the poor slightly parting liquid of index can be used as above-mentioned mother liquor use.
According to such scheme, have only two kinds of main raw materials aborning, simplified raw material variety, shortened technical process, accelerated the reaction times, shortened 1/3rd than time of two-step approach; Secondly harmful elements such as arsenic, lead can be in the standard-required scope; The 3rd is that product is limpid, and quality and performance are improved, and its basicity is that the product of raw material rises about 10% than with aluminium hydroxide, and production cost descends more than 10%.With the product ratio that with the bauxitic clay is raw material, waste residue reduces 20～30%, helps environmental improvement; The 4th is that liquid in producing, slag separate easily.
Description of drawings
Figure is the simple and clear skeleton diagram of technical process of the present invention.Wherein the drying process of solid finished product excludes.
Embodiment
A kind of production method of poly aluminium chloride is a raw material with aluminium element and industrial synthesis hydrochloric acid, it is characterized in that with 10%Al per ton
2O
3The liquid end product meter of mass content, technical recipe is:
Aluminium element is calcium aluminate powder 200～210kg, the Al of said calcium aluminate powder
2O
3Content is 51～52% (acid pasting);
The quality that is converted into the industrial synthesis hydrochloric acid of 100% mass concentration is 0.65～0.83 of a calcium aluminate powder;
Water 661.8～624.9kg.
Processing step is:
The preparation mother liquor calculates by mother liquor amount/(mother liquor amount+newly form product volume), and getting the poly aluminium chloride finished fluid is 15～40% (mass ratioes) of ultimate production, as mother liquor, and the adding reaction vessel.
Under the continuous stirring condition of above-mentioned mother liquor, once add calcium aluminate powder;
Under the normal temperature, add industrial synthesis hydrochloric acid again;
Add water, when solution temperature to 55 in the reaction vessel ℃～70 ℃, begin to add water.Flow control when adding water is controlled in 87～100 ℃ of scopes the solution reaction temperature.When if temperature does not reach 87 ℃, need to mend steam, should deduct the water yield that quantity of steam be converted in the Total Water this moment;
Add calcium aluminate powder from reaction vessel and pick up counting, parting liquid, slag after 2～3 hours, said separation comprises centrifuging or filter press technique;
Clear liquid after the separation is a finished fluid, chemically examines metering of qualified back and warehouse-in, and wherein the poor slightly parting liquid of index can be used as above-mentioned mother liquor use.
Embodiment 1, with Al
2O
3Mass content is 1 ton of liquid end product meter of ultimate production of 10%, gets poly aluminium chloride mother liquor 150kg, puts into reaction vessel, adds calcium aluminate powder (Al at stirring condition next time
2O
3Content 51～52%, acid pasting) 170kg, then at normal temperatures, it is 100% technical hydrochloric acid 110.5kg (mass ratio 0.65) that adding is converted into mass concentration, when temperature reaches 55 ℃, progressively add water 569.5kg, the dominant discharge meter makes that fluid temperature is between 87～100 ℃ in the reaction vessel, carries out liquid after 2 hours, slag separates.This example adopts filter press technique, gets finished fluid 980kg, waste residue 20kg.Finished fluid meets the GB15892-2003 standard.
Embodiment 2, with Al
2O
3Mass content is 1 ton of liquid end product meter of ultimate production of 10%, gets poly aluminium chloride mother liquor 400kg, puts into reaction vessel, stirs to add calcium aluminate powder (Al next time
2O
3Content 51～52%, acid pasting) 126kg, it is the synthetic synthetic hydrochloric acid 104.6kg (mass ratio 0.83) of 100% industry that the normal temperature adding is converted into mass concentration, when temperature reaches 55 ℃, add water 369.4kg, dominant discharge requires reacting liquid temperature 87～100 ℃ of scopes, enter liquid, slag separation after 2 hours, this example adopts centrifuging, gets finished fluid 985kg, waste residue 15kg.Finished fluid meets GB15892-2003 standard.
Embodiment 3, according to last example, get mother liquor 200kg, put into reaction tank, stirring adds calcium aluminate powder 164kg next time, and it is 100% industrial synthesis hydrochloric acid 114.8kg (mass ratio 0.70) that the normal temperature adding is converted into mass concentration, when the pond interior reaction temperature reaches 60 ℃, add water 521.2kg, flow control makes that temperature is in 87～100 ℃ of scopes in the pond.2.0 liquid, slag separate after hour, this example adopts filter press technique, gets finished fluid 980kg, waste residue 20kg.Finished fluid meets the GB15892-2003 standard.
Embodiment 4, with Al
2O
3Mass content is 10% ultimate production meter, gets poly aluminium chloride mother liquor 300kg, puts into reactor, under agitation once adds calcium aluminate powder (Al
2O
3Content 51～52%, acid pasting) 147kg, normal temperature adds that to be converted into mass concentration be 100% hydrochloric acid 117.6kg (mass ratio 0.80) then, when pot internal reaction thing temperature reaches 55 ℃, adds water 435.4kg, dominant discharge, make pot internal reaction thing temperature between 87～100 ℃, liquid, slag separate after 2 hours, and this example adopts centrifuging, get finished product poly aluminium chloride liquid 985kg, finished fluid meets GB15892-2003 standard.
The amount of above-mentioned each routine gained finished fluid comprises the mother liquor amount.The technology final step is check, standard compliant warehouse-in; Index is poor slightly is converted to after the above-mentioned requirements as mother liquor.Particular product performance parameters can be adjusted in process of production.
When producing solid poly aluminium chloride finished product, also need drying process.The industrial synthesis hydrochloric acid mass concentration is generally about 20.5% in actual production, and should deduct its water content this moment in Total Water.As being surpassed, Total Water upward then should suitably improve concentration of hydrochloric acid in limited time.
Claims (2)
1. the production method of a poly aluminium chloride is a raw material with aluminium element and industrial synthesis hydrochloric acid, it is characterized in that with 10% Al per ton
2O
3The liquid end product meter of mass content, technical recipe is:
Aluminium element is calcium aluminate powder 200～210kg, the Al of said calcium aluminate powder
2O
3Content is 51～52% (acid pasting);
The industrial synthesis hydrochloric acid quality that is converted into 100% mass concentration is 0.65～0.83 of an above-mentioned calcium aluminate powder;
Water 661.8～624.9kg.
2. the production method of poly aluminium chloride as claimed in claim 1 is characterized in that processing step is:
A. prepare mother liquor, calculate by mother liquor amount/(mother liquor amount+newly form product volume), getting the poly aluminium chloride finished fluid is 15～40% (mass ratioes) of ultimate production, as mother liquor;
B. under the continuous stirring condition of above-mentioned mother liquor, once add calcium aluminate powder;
C. under the normal temperature, add industrial synthesis hydrochloric acid again;
D. add water, when temperature of charge to 55 in the reaction vessel ℃～70 ℃, begin to add water, flow control when adding water, make the solution reaction temperature be controlled at 87～100 ℃ of scopes, when if temperature does not reach 87 ℃, mend steam, should deduct the water yield that quantity of steam be converted in the Total Water this moment;
E. add calcium aluminate powder from reaction vessel and pick up counting, parting liquid, slag after 2～3 hours, said separation comprises centrifuging or filter press technique;
F. separating obtained clear liquid is a finished fluid, chemically examines metering of qualified back and warehouse-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100970312A CN101531389B (en) | 2009-03-26 | 2009-03-26 | Method for producing polyaluminium chloride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100970312A CN101531389B (en) | 2009-03-26 | 2009-03-26 | Method for producing polyaluminium chloride |
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| Publication Number | Publication Date |
|---|---|
| CN101531389A true CN101531389A (en) | 2009-09-16 |
| CN101531389B CN101531389B (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100970312A Active CN101531389B (en) | 2009-03-26 | 2009-03-26 | Method for producing polyaluminium chloride |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372299A (en) * | 2010-08-08 | 2012-03-14 | 嘉善绿野环保材料厂 | Preparation method of poly aluminum chloride in high purity |
| CN102070170B (en) * | 2009-11-19 | 2013-05-29 | 蓝保(厦门)水处理科技有限公司 | Method for producing polyaluminium chloride |
| CN103265103A (en) * | 2013-06-07 | 2013-08-28 | 嘉善海峡净水灵化工有限公司 | Process for recycling filter residues of polyaluminium chloride series coagulants |
| CN104477959A (en) * | 2014-12-18 | 2015-04-01 | 嘉善海峡净水灵化工有限公司 | Production process of high-concentration polyaluminium chloride |
| CN106517281A (en) * | 2016-09-30 | 2017-03-22 | 嘉善海峡净水灵化工有限公司 | Polyaluminum chloride preparation method |
| CN106673041B (en) * | 2016-12-27 | 2018-03-27 | 蓝保(厦门)水处理科技有限公司 | A kind of production technology of efficiently highly concentrated polyaluminium chloride |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004323254A (en) * | 2003-04-22 | 2004-11-18 | Kotegawa Sangyo Kk | Method for manufacturing calcium aluminate having polyhedral form |
| CN100460328C (en) * | 2007-04-28 | 2009-02-11 | 王军 | Technical process for producing chloride aluminum |
| CN101200301A (en) * | 2007-11-23 | 2008-06-18 | 华泰集团有限公司 | Method for directly producing polymeric aluminium chloride additive by employing calcium hypochlorite powder |
-
2009
- 2009-03-26 CN CN2009100970312A patent/CN101531389B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070170B (en) * | 2009-11-19 | 2013-05-29 | 蓝保(厦门)水处理科技有限公司 | Method for producing polyaluminium chloride |
| CN102372299A (en) * | 2010-08-08 | 2012-03-14 | 嘉善绿野环保材料厂 | Preparation method of poly aluminum chloride in high purity |
| CN103265103A (en) * | 2013-06-07 | 2013-08-28 | 嘉善海峡净水灵化工有限公司 | Process for recycling filter residues of polyaluminium chloride series coagulants |
| CN104477959A (en) * | 2014-12-18 | 2015-04-01 | 嘉善海峡净水灵化工有限公司 | Production process of high-concentration polyaluminium chloride |
| CN106517281A (en) * | 2016-09-30 | 2017-03-22 | 嘉善海峡净水灵化工有限公司 | Polyaluminum chloride preparation method |
| CN106673041B (en) * | 2016-12-27 | 2018-03-27 | 蓝保(厦门)水处理科技有限公司 | A kind of production technology of efficiently highly concentrated polyaluminium chloride |
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| Publication number | Publication date |
|---|---|
| CN101531389B (en) | 2012-06-27 |
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Effective date of registration: 20170519 Address after: 314305, No. 2555, Ping Hai Road, Xitang bridge, Haiyan County, Zhejiang, Jiaxing Patentee after: ZHEJIANG HAIXIANG WATER PURIFICATION TECHNOLOGY Co.,Ltd. Address before: 314100 No. 30, Yushan Road, Jiashan Economic Development Zone, Jiashan County, Zhejiang Province Patentee before: JIASHAN HAIXIA JINGSHUILING CHEMICAL CO.,LTD. |
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Address after: No. 2555 Pinghai Road, Xitangqiao Street, Haiyan County, Jiaxing City, Zhejiang Province, 314305 Patentee after: Zhejiang Haixiang water purification technology Co.,Ltd. Address before: No. 2555 Pinghai Road, Xitangqiao Street, Haiyan County, Jiaxing City, Zhejiang Province, 314305 Patentee before: ZHEJIANG HAIXIANG WATER PURIFICATION TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230418 Address after: 3/F, Building 2, No. 2555 Pinghai Road, Xitangqiao Street, Haiyan County, Jiaxing City, Zhejiang Province, 314304 (Rooms 301-305) Patentee after: Zhejiang Jialing Environmental Protection Technology Co.,Ltd. Address before: No. 2555 Pinghai Road, Xitangqiao Street, Haiyan County, Jiaxing City, Zhejiang Province, 314305 Patentee before: Zhejiang Haixiang water purification technology Co.,Ltd. |
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Address after: No. 2555 Pinghai Road, Xitangqiao Street, Haiyan County, Jiaxing City, Zhejiang Province, 314304 Patentee after: Zhejiang Jialing Environmental Protection Technology Co.,Ltd. Address before: 3/F, Building 2, No. 2555 Pinghai Road, Xitangqiao Street, Haiyan County, Jiaxing City, Zhejiang Province, 314304 (Rooms 301-305) Patentee before: Zhejiang Jialing Environmental Protection Technology Co.,Ltd. |