CN102180519A - Method for preparing nitrate and potassium sulfate mixed products from manganese-containing liquid waste - Google Patents
Method for preparing nitrate and potassium sulfate mixed products from manganese-containing liquid waste Download PDFInfo
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- CN102180519A CN102180519A CN2010106165014A CN201010616501A CN102180519A CN 102180519 A CN102180519 A CN 102180519A CN 2010106165014 A CN2010106165014 A CN 2010106165014A CN 201010616501 A CN201010616501 A CN 201010616501A CN 102180519 A CN102180519 A CN 102180519A
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- nitrate
- sulfate
- vitriolate
- tartar
- manganese
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Abstract
The invention provides a method for preparing nitrate and potassium sulfate mixed products from manganese-containing liquid waste, comprising the following steps of: carrying out pumping-filtration on magnesium-containing liquid waste obtained from hydroquinone production to obtain a clear filtrate containing manganese sulfate, ammonium sulfate and sulfuric acid and a filter cake containing elementary residue; reacting the filter cake containing elementary residue with an excess of sulfuric acid to obtain a solution containing calcium sulfate, magnesium sulfate, zinc sulfate, sodium sulfate, aluminum sulfate, cadmium sulfate and nickel sulfate; mixing with a potassium nitrate solution to undergo a reaction to obtain a nitrate and potassium sulfate mixed solution containing calcium nitrate, magnesium nitrate, zinc nitrate, sodium nitrate, aluminum nitrate, cadmium nitrate and nickel nitrate; filtering the mixed solution to obtain a calcium nitrate filter cake and a filtrate containing the nitrate and the potassium sulfate; and carrying out vacuum distillation and crystallization by cooling on the filtrate containing the nitrate and potassium sulfate to separate out a mixture of nitrate crystals and potassium sulfate crystals, filtering and separating the mixture to obtain the nitrate and potassium sulfate mixed products.
Description
Technical field
The present invention relates to contain the technical field of the improvement and the utilization of manganese waste liquid, especially with containing the method that the manganese waste liquid prepares nitrate and vitriolate of tartar mixing prod, the described manganese waste liquid that contains contains the manganese waste liquid for producing the Resorcinol gained.
Background technology
Resorcinol is important organic intermediate, and China is in the development seventies in 20th century and dropped into suitability for industrialized production.Advantages such as at present domestic mainly taking used aniline-Manganse Dioxide explained hereafter Resorcinol, and this technology is compared with external phenol-hydrogen peroxide process, has the product purity height, and impurity is few.But its shortcoming is that the quantity discharged of waste liquid is big.Under the common state, one ton of Resorcinol of every production has 40 tons of Mn-bearing waste waters approximately.The chemical composition that production Resorcinol gained contains manganese waste liquid the inside is the content 11-12% of manganous sulfate, and ammonium sulfate content is 1.4-1.6%, and sulfuric acid content is 1.8-2.2%, simple substance element residue 5-6%, and the simple substance element is: calcium, magnesium, zinc, sodium, aluminium, cadmium and nickel.
At present domestic factories' utilizations contain the manganese waste liquid and produce crystal manganous sulfate or common carbonate, and high-purity manganese carbonate etc.High-purity manganese carbonate is an ideal high performance strong magneticsubstance, is the main raw material of the manganese-silicon that developed rapidly modern age, mangal, high-performance manganese dioxide product.High-purity manganese carbonate mainly is as soft magnet oxygen magneticsubstance at present, is that raw material is produced with electrolytic manganese or manganous sulfate, bicarbonate of ammonia etc. generally.The utilization of domestic existing factory contains the manganese waste liquid and produces the manganous sulfate crystal through a series of purification process, carries out replacement(metathesis)reaction with bicarbonate of ammonia again and produces high-purity manganese carbonate.
Yet, but be not used with other chemical ingredients in the Resorcinol, thereby, resource wasted.
Summary of the invention
The chemical composition that production Resorcinol gained contains the manganese waste liquid is the content 11-12% of manganous sulfate, and ammonium sulfate content is 1.4-1.6%, and sulfuric acid content is 1.8-2.2%, simple substance element residue 5-6%, and the simple substance element is: calcium, magnesium, zinc, sodium, aluminium, cadmium and nickel.For it is fully utilized, the invention provides with containing the method that the manganese waste liquid prepares nitrate and vitriolate of tartar mixing prod, the described manganese waste liquid that contains contains the manganese waste liquid for producing the Resorcinol gained, this method is simple to operate, facility investment is few, will produce the Resorcinol gained and contain the comprehensive utilization of manganese waste liquid, turns waste into wealth, eliminated and contained of the pollution of manganese waste liquid, improved economic benefit of enterprises environment.
Technical scheme of the present invention is as follows: with containing the method that the manganese waste liquid prepares nitrate and vitriolate of tartar mixing prod, the described manganese waste liquid that contains contains the manganese waste liquid for producing the Resorcinol gained, comprises following concrete steps:
Steps A: will produce the Resorcinol gained and contain the filter cake that obtains clarifying sulfur acid manganese, ammonium sulfate, vitriolic filtrate behind the manganese waste liquid suction filtration and contain the simple substance residue, described filtrate is developed other products separately;
Step B: described filter cake and the excess sulfuric acid reaction that contains the simple substance residue, obtain sulfur acid calcium, sal epsom, zinc sulfate, sodium sulfate, the solution of Tai-Ace S 150, Cadmium Sulphate and single nickel salt, then mix with potassium nitrate solution again, and to make the ratio of molar content sum and the molar content of saltpetre of the material of vitriol in the solution be 1: 1.6-2.4 obtains containing the nitrate of nitrocalcite, magnesium nitrate, zinc nitrate, SODIUMNITRATE, aluminum nitrate, cadmium nitrate and nickelous nitrate and the mixing solutions of vitriolate of tartar;
Step C: with the mixing solutions of step B gained nitrate and vitriolate of tartar after filtration, obtain the nitrocalcite filter cake and contain the filtrate of mixing nitrate and vitriolate of tartar;
Step D: the nitrocalcite filter cake obtains the nitrocalcite product through washing, dry and pulverizing;
Step e: contain mix nitrate and vitriolate of tartar filtrate through underpressure distillation, crystallisation by cooling, separate out mixed nitrate crystal and potassium sulfate crystal, separate after filtration, obtain nitrate and vitriolate of tartar mixing prod.
Usefulness of the present invention contains the method that the manganese waste liquid prepares nitrate and vitriolate of tartar mixing prod, its chemical equation:
CaSO
4+2KNO
3＝＝＝＝＝Ca(NO
3)
2+K
2SO
4
MgSO
4+2KNO
3＝＝＝＝＝Mg(NO
3)
2+K
2SO
4
Na
2SO
4+2KNO
3＝＝＝＝＝2NaNO
3+K
2SO
4
ZnSO
4+2KNO
3＝＝＝＝＝Zn(NO
3)
2+K
2SO
4
Al
2(SO
4)
3+6KNO
3＝＝＝＝＝2Al(NO
3)
3+3K
2SO
4
CdSO
4+2KNO
3＝＝＝＝＝Cd(NO
3)
2+K
2SO
4
NiSO
4+2KNO
3＝＝＝＝＝Ni(NO
3)
2+K
2SO
4
Beneficial effect of the present invention is: usefulness of the present invention contains the method that the manganese waste liquid prepares nitrate and vitriolate of tartar mixing prod, the described manganese waste liquid that contains contains the manganese waste liquid for producing the Resorcinol gained, this method is simple to operate, facility investment is few, to produce the Resorcinol gained and contain the comprehensive utilization of manganese waste liquid, turn waste into wealth, eliminated and contain of the pollution of manganese waste liquid, improved economic benefit of enterprises environment.
Embodiment
Embodiment 1:
With containing the method that the manganese waste liquid prepares nitrate and vitriolate of tartar mixing prod, the described manganese waste liquid that contains contains the manganese waste liquid for producing the Resorcinol gained, comprises following concrete steps:
Steps A: 500kg is produced the Resorcinol gained contain the filter cake that obtains clarifying sulfur acid manganese, ammonium sulfate, vitriolic filtrate behind the manganese waste liquid suction filtration and contain the simple substance residue, described filtrate is developed other products separately;
Step B: described filter cake and the excess sulfuric acid reaction that contains the simple substance residue, obtain sulfur acid calcium, sal epsom, zinc sulfate, sodium sulfate, the solution of Tai-Ace S 150, Cadmium Sulphate and single nickel salt, then mix with potassium nitrate solution again, and to make the ratio of molar content sum and the molar content of saltpetre of the material of vitriol in the solution be 1: 1.6, obtains containing the nitrate of nitrocalcite, magnesium nitrate, zinc nitrate, SODIUMNITRATE, aluminum nitrate, cadmium nitrate and nickelous nitrate and the mixing solutions of vitriolate of tartar;
Step C: with the mixing solutions of step B gained nitrate and vitriolate of tartar after filtration, obtain the nitrocalcite filter cake and contain the filtrate of mixing nitrate and vitriolate of tartar;
Step D: the nitrocalcite filter cake obtains the nitrocalcite product through washing, dry and pulverizing;
Step e: contain mix nitrate and vitriolate of tartar filtrate through underpressure distillation, crystallisation by cooling, separate out mixed nitrate crystal and potassium sulfate crystal, separate after filtration, obtain nitrate and vitriolate of tartar mixing prod.
Embodiment 2:
With containing the method that the manganese waste liquid prepares nitrate and vitriolate of tartar mixing prod, the described manganese waste liquid that contains contains the manganese waste liquid for producing the Resorcinol gained, comprises following concrete steps:
Steps A: 500kg is produced the Resorcinol gained contain the filter cake that obtains clarifying sulfur acid manganese, ammonium sulfate, vitriolic filtrate behind the manganese waste liquid suction filtration and contain the simple substance residue, described filtrate is developed other products separately;
Step B: described filter cake and the excess sulfuric acid reaction that contains the simple substance residue, obtain sulfur acid calcium, sal epsom, zinc sulfate, sodium sulfate, the solution of Tai-Ace S 150, Cadmium Sulphate and single nickel salt, then mix with potassium nitrate solution again, and to make the ratio of molar content sum and the molar content of saltpetre of the material of vitriol in the solution be 1: 2, obtains containing the nitrate of nitrocalcite, magnesium nitrate, zinc nitrate, SODIUMNITRATE, aluminum nitrate, cadmium nitrate and nickelous nitrate and the mixing solutions of vitriolate of tartar;
Step C: with the mixing solutions of step B gained nitrate and vitriolate of tartar after filtration, obtain the nitrocalcite filter cake and contain the filtrate of mixing nitrate and vitriolate of tartar;
Step D: the nitrocalcite filter cake obtains the nitrocalcite product through washing, dry and pulverizing;
Step e: contain mix nitrate and vitriolate of tartar filtrate through underpressure distillation, crystallisation by cooling, separate out mixed nitrate crystal and potassium sulfate crystal, separate after filtration, obtain nitrate and vitriolate of tartar mixing prod.
Embodiment 3:
With containing the method that the manganese waste liquid prepares nitrate and vitriolate of tartar mixing prod, the described manganese waste liquid that contains contains the manganese waste liquid for producing the Resorcinol gained, comprises following concrete steps:
Steps A: 500kg is produced the Resorcinol gained contain the filter cake that obtains clarifying sulfur acid manganese, ammonium sulfate, vitriolic filtrate behind the manganese waste liquid suction filtration and contain the simple substance residue, described filtrate is developed other products separately;
Step B: described filter cake and the excess sulfuric acid reaction that contains the simple substance residue, obtain sulfur acid calcium, sal epsom, zinc sulfate, sodium sulfate, the solution of Tai-Ace S 150, Cadmium Sulphate and single nickel salt, then mix with potassium nitrate solution again, and to make the ratio of molar content sum and the molar content of saltpetre of the material of vitriol in the solution be 1: 2.4, obtains containing the nitrate of nitrocalcite, magnesium nitrate, zinc nitrate, SODIUMNITRATE, aluminum nitrate, cadmium nitrate and nickelous nitrate and the mixing solutions of vitriolate of tartar;
Step C: with the mixing solutions of step B gained nitrate and vitriolate of tartar after filtration, obtain the nitrocalcite filter cake and contain the filtrate of mixing nitrate and vitriolate of tartar;
Step D: the nitrocalcite filter cake obtains the nitrocalcite product through washing, dry and pulverizing;
Step e: contain mix nitrate and vitriolate of tartar filtrate through underpressure distillation, crystallisation by cooling, separate out mixed nitrate crystal and potassium sulfate crystal, separate after filtration, obtain nitrate and vitriolate of tartar mixing prod.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, its framework form can be flexible and changeable, can the subseries product.Just make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the present invention is determined by claims of being submitted to.
Claims (1)
1. with containing the method that the manganese waste liquid prepares nitrate and vitriolate of tartar mixing prod, it is characterized in that the described manganese waste liquid that contains contains the manganese waste liquid for producing the Resorcinol gained, comprises following concrete steps:
Steps A: will produce the Resorcinol gained and contain the filter cake that obtains clarifying sulfur acid manganese, ammonium sulfate, vitriolic filtrate behind the manganese waste liquid suction filtration and contain the simple substance residue, described filtrate is developed other products separately;
Step B: described filter cake and the excess sulfuric acid reaction that contains the simple substance residue, obtain sulfur acid calcium, sal epsom, zinc sulfate, sodium sulfate, the solution of Tai-Ace S 150, Cadmium Sulphate and single nickel salt, then mix with potassium nitrate solution again, and to make the ratio of molar content sum and the molar content of saltpetre of the material of vitriol in the solution be 1: 1.6-2.4 obtains containing the nitrate of nitrocalcite, magnesium nitrate, zinc nitrate, SODIUMNITRATE, aluminum nitrate, cadmium nitrate and nickelous nitrate and the mixing solutions of vitriolate of tartar;
Step C: with the mixing solutions of step B gained nitrate and vitriolate of tartar after filtration, obtain the nitrocalcite filter cake and contain the filtrate of mixing nitrate and vitriolate of tartar;
Step D: the nitrocalcite filter cake obtains the nitrocalcite product through washing, dry and pulverizing;
Step e: contain mix nitrate and vitriolate of tartar filtrate through underpressure distillation, crystallisation by cooling, separate out mixed nitrate crystal and potassium sulfate crystal, separate after filtration, obtain nitrate and vitriolate of tartar mixing prod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106165014A CN102180519A (en) | 2010-12-30 | 2010-12-30 | Method for preparing nitrate and potassium sulfate mixed products from manganese-containing liquid waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106165014A CN102180519A (en) | 2010-12-30 | 2010-12-30 | Method for preparing nitrate and potassium sulfate mixed products from manganese-containing liquid waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102180519A true CN102180519A (en) | 2011-09-14 |
Family
ID=44566846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106165014A Pending CN102180519A (en) | 2010-12-30 | 2010-12-30 | Method for preparing nitrate and potassium sulfate mixed products from manganese-containing liquid waste |
Country Status (1)
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|---|---|
| CN (1) | CN102180519A (en) |
-
2010
- 2010-12-30 CN CN2010106165014A patent/CN102180519A/en active Pending
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Application publication date: 20110914 |