CN101580262A - Method for preparing nano barium sulphate series products by using barium slag - Google Patents
Method for preparing nano barium sulphate series products by using barium slag Download PDFInfo
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- CN101580262A CN101580262A CNA2009100384797A CN200910038479A CN101580262A CN 101580262 A CN101580262 A CN 101580262A CN A2009100384797 A CNA2009100384797 A CN A2009100384797A CN 200910038479 A CN200910038479 A CN 200910038479A CN 101580262 A CN101580262 A CN 101580262A
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- barium
- barium sulfate
- slag
- nano
- hydrochloric acid
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Abstract
The invention discloses a method for preparing nano barium sulphate series products by using barium slag. The main technical proposal comprises: reacting the barium slag with hydrochloric acid to obtain chloride taking barium salt as main component; carrying out filtration with suction to obtain clear solution, and reacting the clear solution with small quantity of the barium sulphate to reclaim chlorine radicals so as to obtain barium chloride after complete reaction; and reacting the barium chloride with sulphuric acid to obtain nano barium sulfate. The method not only can create high economic value, but also can clear waste ore rubbish and process nano barium sulphate of various grades at the same time.
Description
Technical field:
The present invention relates to the technical field that the chemical sludge three wastes are handled, especially a kind of method of using the nano barium sulfate series product of barium slag preparation.
Technical background:
The scoriaceous source of barium is varied, and when exploitation barium ore deposit produced various baric products, the waste residue of discharging just contained very high-grade barium element, even grade is more taller than primary ore.It is quite low to produce its cost of process white with this waste residue, and can also remove barium ore deposit rubbish.Comparing with the same industry and to occupy very big price advantage and industrial advantages, also have policy and resources advantage etc., is a kind of extraordinary process for processing approach.
Summary of the invention:
The invention provides a kind of method of using the nano barium sulfate series product of barium slag preparation, adopting said method not only can be created very high economic worth, and, can also remove abandoned mine rubbish, can also process each other process white of level simultaneously.
In order to achieve the above object, technical scheme of the present invention is;
Its technical process of barium slag after acidifying and the recovery is:
Barium slag and the dilute hydrochloric acid mass ratio 1 by pure substance: 0.15-0.55 places acidleach jar (1) lining, afterreaction generated the muriate based on barium in 4-8 hour, suction filtration (2) obtains waste residue chlorine cake and muriate, uses barium sulfate to reclaim muriate in withdrawer (3) lining according to pure mass ratio 1: 0.358-0.758 then and generates various barium salts.
Acidifying and recovery back suction filtration (4) get and synthesize process white in combination apparatus (5) lining according to mass ratio 1: 0.27-0.67 with sulfuric acid after clear liquor is handled with the tensio-active agent of 4-8%, the revolution of agitator is the 300-500/ branch, use whizzer (6) washing at last, separate, dry (7), pulverizing (8) etc. becomes the nano barium sulfate product.Filtrate and washes main component are hydrochloric acid, and becoming low hydrochloric acid through decompression inspissation can recycle.The nanometer process white comprises that the nanometer process white accounts for 52%; Submicron barium sulfate accounts for 35%; Fine barium sulfate accounts for 13%.
Its chemical equation is:
Main extracting substance equation is:
BaCO
3+2HCl＝BaCl
2+CO
2+H
2O
BaSO
4+2HCl＝BaCl
2+H
2SO
4
Other materials reclaim chlorine root equation:
FeCl
2+BaSO
4＝FeSO
4+BaCl
2
AlCl
3+BaSO
4＝Al
3(SO
4)
2+BaCl
2
Last sintetics equation is:
BaCl
2+H
2SO
4＝BaSO
4+2HCl
Description of drawings:
This figure is a process flow sheet of the present invention, wherein:
1-----acidleach jar, the 2-----suction filter pump, the 3-----withdrawer, the 4-----suction filter pump, the 5-----synthesizer, the 6-----whizzer, the 7-----moisture eliminator, the 8-----pulverizer, 9----barium slag is given stockline, and 10----hydrochloric acid is given stockline.
Specific embodiment:
Embodiment one:
200 kilograms of baric slags and hydrochloric acid are placed acidleach jar (1) lining by the mass ratio of pure substance at 1: 0.35,4 hours reaction backs generate based on 199.45 kilograms of the muriates of barium, suction filtration (2) obtains waste residue chlorine cake and muriate, uses barium sulfate in withdrawer (3) lining to reclaim muriate at 1: 0.558 according to mass ratio then and generates various barium salts; Suction filtration (4) back clear liquid is handled back and sulfuric acid with 6% tensio-active agent and is synthesized barium sulfate 213.3 kilogram according to mass ratio 1: 0.47 with 400/ minute rotating speed in combination apparatus (5) lining; Use whizzer (6) washing at last, separate, dry (7), pulverizing (8) etc. becomes barium sulfate product.The sodium nano-barium sulfate comprises that it is 110.92 kilograms that nano barium sulfate accounts for 52%; It is 74.66 kilograms that submicron barium sulfate accounts for 35%; It is 27.73 kilograms that fine barium sulfate accounts for 13%.
Embodiment two:
200 kilograms barium slags and hydrochloric acid were reacted according to 1: 0.15, generate after 6 hours based on 85.48 kilograms of the muriates of barium, suction filtration gets waste residue filter cake and bariumchloride, handles back and sulfuric acid with 4% tensio-active agent and synthesize 52.52 kilograms of generation process whites according to 1: 0.27 with 300/ minute rotating speed obtaining purified bariumchloride.The nanometer process white comprises that it is 27.31 kilograms that nano barium sulfate accounts for 52%; It is 18.38 kilograms that submicron barium sulfate accounts for 35%; It is 6.83 kilograms that fine barium sulfate accounts for 13%.
Embodiment three:
200 kilograms barium slags and hydrochloric acid were reacted according to 1: 0.55, generate after 8 hours based on 211.17 kilograms of the muriates of barium, suction filtration gets waste residue filter cake and bariumchloride, handles back and sulfuric acid with 8% tensio-active agent and synthesize 226.40 kilograms of generation process whites according to 1: 0.67 with 500/ minute rotating speed obtaining purified bariumchloride.The nanometer process white comprises that it is 117.73 kilograms that nano barium sulfate accounts for 52%; It is 79.24 kilograms that submicron barium sulfate accounts for 35%; It is 29.43 kilograms that fine barium sulfate accounts for 13%.
Claims (6)
1 one kinds of methods with the nano barium sulfate series product of barium slag preparation, be the barium slag by acidifying, reclaim, synthetic obtaining, its technical characterictic is that the barium slag is acidified and reclaim and synthesize the nano barium sulfate series product that obtain.
The described a kind of method of using the nano barium sulfate series product of barium slag preparation of 2 claims 1 is characterized in that the barium slag synthesizes the nano barium sulfate series product that obtain acidified with reclaiming to reach.The concrete technical process of its acidifying and recovery is:
Barium slag and the dilute hydrochloric acid mass ratio 1 by pure substance: 0.15-0.55 places acidleach jar (1) lining, afterreaction generated the muriate based on barium in 4-8 hour, suction filtration (2) obtains waste residue filter cake and muriate, uses barium sulfate to reclaim muriate in withdrawer (3) lining according to pure mass ratio 1: 0.358-0.758 then and generates various barium salts.
3 claims 1 and 2 described a kind of methods of using the nano barium sulfate series product of barium slag preparation is characterized in that the barium slag synthesizes the nano barium sulfate series product that obtain acidified with reclaiming to reach.The concrete technical process of its product synthetic is:
Acidifying and recovery back suction filtration (4) get and synthesize process white in combination apparatus (5) lining according to mass ratio 1: 0.27-0.67 with sulfuric acid after clear liquid is handled with the tensio-active agent of 4-8%, the revolution of agitator is the 300-500/ branch, use whizzer (6) washing at last, separate, dry (7), pulverizing (8) etc. becomes the process white product.Filtrate and washes main component are hydrochloric acid, and becoming low hydrochloric acid through decompression inspissation can recycle.The nanometer process white comprises that the nanometer process white accounts for 52%; Submicron barium sulfate accounts for 35%; Fine barium sulfate accounts for 13%.
The described a kind of method of using the nano barium sulfate series product of barium slag preparation of 4 claims 2, it is characterized in that described barium slag and the dilute hydrochloric acid mass ratio 1 by pure substance: 0.15-0.55 places acidleach jar (1) lining, afterreaction generated the muriate based on barium in 4-8 hour,, suction filtration (2) obtains waste residue chlorine cake and muriate; Use barium sulfate to reclaim muriate in withdrawer (3) lining then and generate various barium salts according to pure mass ratio 1: 0.358-0.758.
The described a kind of method of using the nano barium sulfate series product of barium slag preparation of 5 claims 3, it is characterized in that described acidifying and reclaim back suction filtration (4) clear liquid with the tensio-active agent of 4-8% handle the back with sulfuric acid in combination apparatus (5) lining according to pure mass ratio 1: 0.27-0.67 synthesis of nano barium sulfate, the revolution of agitator is the 300-500/ branch, use whizzer (6) washing at last, separate, dry (7), pulverizing (8) etc. becomes the nano barium sulfate product.The nanometer process white comprises that the nanometer process white accounts for 52%; Submicron barium sulfate accounts for 35%; Fine barium sulfate accounts for 13%.
The described a kind of method of using the nano barium sulfate series product of barium slag preparation of 6 claims 3 is characterized in that described filtrate and washes main component are hydrochloric acid, and becoming low hydrochloric acid through decompression inspissation can recycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100384797A CN101580262A (en) | 2009-04-08 | 2009-04-08 | Method for preparing nano barium sulphate series products by using barium slag |
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|---|---|---|---|
| CNA2009100384797A CN101580262A (en) | 2009-04-08 | 2009-04-08 | Method for preparing nano barium sulphate series products by using barium slag |
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|---|---|
| CN101580262A true CN101580262A (en) | 2009-11-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167386A (en) * | 2011-03-16 | 2011-08-31 | 清华大学 | Method for preparing barium sulfate nanoparticles |
-
2009
- 2009-04-08 CN CNA2009100384797A patent/CN101580262A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167386A (en) * | 2011-03-16 | 2011-08-31 | 清华大学 | Method for preparing barium sulfate nanoparticles |
| CN102167386B (en) * | 2011-03-16 | 2013-07-03 | 清华大学 | Method for preparing barium sulfate nanoparticles |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice |
Addressee: Wang Jiaxing Document name: Notification of Passing Examination on Formalities |
|
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 523000, room five, building 508, Jinhai building, Dongcheng District Tong Road, Dongguan, Guangdong Applicant after: Wang Jiaxing Address before: Wushi Village Primary School in Dongguan city of Dongcheng District province Guangdong road 523000 Lane 1 No. 6 main mountain Applicant before: Wang Jiaxing |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20091118 |