CN102345014A - Method for preparing elementary copper, copper hydroxide and sodium chloride through dye waste residues - Google Patents
Method for preparing elementary copper, copper hydroxide and sodium chloride through dye waste residues Download PDFInfo
- Publication number
- CN102345014A CN102345014A CN2011101827145A CN201110182714A CN102345014A CN 102345014 A CN102345014 A CN 102345014A CN 2011101827145 A CN2011101827145 A CN 2011101827145A CN 201110182714 A CN201110182714 A CN 201110182714A CN 102345014 A CN102345014 A CN 102345014A
- Authority
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- Prior art keywords
- copper
- waste residue
- sodium
- sodium chloride
- dyestuff
- 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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- 239000010949 copper Substances 0.000 title claims abstract description 46
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 43
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title claims abstract description 36
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 title claims abstract description 25
- 239000005750 Copper hydroxide Substances 0.000 title claims abstract description 25
- 229910001956 copper hydroxide Inorganic materials 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000011780 sodium chloride Substances 0.000 title claims abstract description 18
- 239000010919 dye waste Substances 0.000 title abstract 4
- 239000002699 waste material Substances 0.000 claims abstract description 72
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- 239000001047 purple dye Substances 0.000 claims abstract description 20
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 15
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 12
- 239000012065 filter cake Substances 0.000 claims abstract description 12
- 239000000047 product Substances 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims abstract description 6
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 3
- 239000000975 dye Substances 0.000 claims description 42
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 32
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 claims description 31
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 22
- 229960003280 cupric chloride Drugs 0.000 claims description 16
- AQMRBJNRFUQADD-UHFFFAOYSA-N copper(I) sulfide Chemical compound [S-2].[Cu+].[Cu+] AQMRBJNRFUQADD-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 235000011089 carbon dioxide Nutrition 0.000 claims description 11
- 229940116318 copper carbonate Drugs 0.000 claims description 11
- GEZOTWYUIKXWOA-UHFFFAOYSA-L copper;carbonate Chemical compound [Cu+2].[O-]C([O-])=O GEZOTWYUIKXWOA-UHFFFAOYSA-L 0.000 claims description 11
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 claims description 10
- LBJNMUFDOHXDFG-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu].[Cu] LBJNMUFDOHXDFG-UHFFFAOYSA-N 0.000 claims description 10
- 229960004643 cupric oxide Drugs 0.000 claims description 10
- 229910021591 Copper(I) chloride Inorganic materials 0.000 claims description 8
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000002425 crystallisation Methods 0.000 claims description 6
- 230000008025 crystallization Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 229940045803 cuprous chloride Drugs 0.000 claims description 5
- 238000004821 distillation Methods 0.000 claims description 5
- 229960000443 hydrochloric acid Drugs 0.000 claims description 5
- 235000017550 sodium carbonate Nutrition 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 2
- 239000010802 sludge Substances 0.000 claims description 2
- 238000001354 calcination Methods 0.000 abstract description 2
- 239000000706 filtrate Substances 0.000 abstract 3
- SGHZXLIDFTYFHQ-UHFFFAOYSA-L Brilliant Blue Chemical compound [Na+].[Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C(=CC=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 SGHZXLIDFTYFHQ-UHFFFAOYSA-L 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 238000005292 vacuum distillation Methods 0.000 abstract 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical group [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- QZZSAWGVHXXMID-UHFFFAOYSA-N 1-amino-4-bromo-9,10-dioxoanthracene-2-sulfonic acid Chemical compound C1=CC=C2C(=O)C3=C(Br)C=C(S(O)(=O)=O)C(N)=C3C(=O)C2=C1 QZZSAWGVHXXMID-UHFFFAOYSA-N 0.000 description 1
- CDULGHZNHURECF-UHFFFAOYSA-N 2,3-dimethylaniline 2,4-dimethylaniline 2,5-dimethylaniline 2,6-dimethylaniline 3,4-dimethylaniline 3,5-dimethylaniline Chemical group CC1=CC=C(N)C(C)=C1.CC1=CC=C(C)C(N)=C1.CC1=CC(C)=CC(N)=C1.CC1=CC=C(N)C=C1C.CC1=CC=CC(N)=C1C.CC1=CC=CC(C)=C1N CDULGHZNHURECF-UHFFFAOYSA-N 0.000 description 1
- 239000005749 Copper compound Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 150000001880 copper compounds Chemical class 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- LHGVFZTZFXWLCP-UHFFFAOYSA-N guaiacol Chemical compound COC1=CC=CC=C1O LHGVFZTZFXWLCP-UHFFFAOYSA-N 0.000 description 1
- 229960001867 guaiacol Drugs 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 238000005502 peroxidation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a method for preparing an elementary copper, copper hydroxide and sodium chloride through dye waste residues, wherein the dye waste residues comprise a reactive brilliant blue K-NA dye waste residue and an alkaline purple dye waste residue. The method comprises the following steps that: (1) the two waste residues are mixed according to a mass ratio of 1:1, and are uniformly stirred; a treatment of calcination is performed for 2-4 hours at a temperature of 600-700 DEG C; (2) the remaining solid and excess hydrochloric acid are subjected to a mixing reaction; the resulting reaction solution is filtered to obtain a copper filter cake and a filtrate 1; the copper filter cake is washed to obtain the elementary copper; (3) the filtrate1 reacts with sodium carbonate to generate copper hydroxide, sodium chloride and carbon dioxide; the treatment of filtration is performed to obtain a copper hydroxide product and a sodium chloride solution; (4) the sodium chloride solution is subjected to vacuum distillation to obtain an oversaturated solution of the sodium chloride; the sodium chloride crystal is precipitated and filtered to obtain the sodium chloride and a filtrate 3; the filtrate 3 is mixed with the resulting reaction solution generated from the step (2) in the next cycle, and is reused.
Description
Technical field:
The invention belongs to dyestuff organic chemical industry industry multipurpose use of three types of wastes technical field; Particularly; Relating to is a kind ofly to prepare elemental copper with the dyestuff waste residue, the method for copper hydroxide and sodium-chlor, and said dyestuff waste residue is the waste residue and the basic purple dye waste residue of reactive brilliant bule K-NA dyestuff.
Background technology
Production processes such as the reactive brilliant bule K-NR of dyestuffs industries, alkalescence purple, Vat Grey BG, methyl catechol produce copper-containing residue; Wherein contain a large amount of organic substances, inorganic salt etc.; The general calcination process that adopts; At high temperature contain copper compound in the waste residue and be oxidized to cuprously, reclaim with the copper sulfate form after reaching sulfuric acid acidation then.Oxidative decomposition at high temperature takes place in the organism in the waste residue simultaneously, generates gases such as sulfurous gas, nitrogen oxide, carbonic acid gas, hydrochloric acid, water.
Reactive brilliant bule K-NA dyestuff is that cupric chloride, bromamine acid, a bit esterified compound are raw material, processes product through process such as condensation, filtration, refining, crystallization, separation, drying.Produce contained waste liquid in condensation reaction after-filtration process.Reactive brilliant bule K-NR industrial scale is annual 200 tons, and annual discharging waste residue amount is the 250-300 ton.Carbonated copper 5.3% in the waste residue, organism 8.3%, moisture 55.4%, the not tolerant magazine that waits.
Basic purple dye is to be raw material with xylidine, phenol, copper sulfate, through chemical reaction and filtrations such as peroxidation, alkalization, acidifyings, saltout, process such as drying and make product.In filtration, produce copper-containing residue.The composition of its waste residue: cuprous sulfide 23-30%, organism 20-23%, water are 50%.The purple product of alkalescence per ton can produce 1.01 tons of copper-containing residues.
Summary of the invention
Through detecting, the component of the waste residue of certain dye processing plant production reactive brilliant bule K-NA dyestuff is following: copper carbonate 5.3%, and organism 8.3%, moisture 55.4%, all the other are the not tolerant magazine that waits.The composition of the waste residue of this dye processing plant production basic purple dye is following: cuprous sulfide 23-30%, organism 20-23%, water are 50%.
The invention provides and a kind ofly prepare elemental copper with the dyestuff waste residue; The method of copper hydroxide and sodium-chlor; Said dyestuff waste residue is the waste residue and the basic purple dye waste residue of reactive brilliant bule K-NA dyestuff; The pollution of dye industry waste residue is effectively administered and utilized to this method; Also produce various copper bearing compound products; Create considerable economic value, had well-off social benefit and abundant economic benefit simultaneously.
In order to reach above-mentioned purpose; Technical scheme of the present invention is: a kind ofly prepare elemental copper with the dyestuff waste residue; The method of copper hydroxide and sodium-chlor; Said dyestuff waste residue is the waste residue and the basic purple dye waste residue of reactive brilliant bule K-NA dyestuff; The component of the waste residue of said reactive brilliant bule K-NA dyestuff is following: copper carbonate 5.3%; Organism 8.3%, moisture 55.4%, all the other are the not tolerant magazine that waits; The composition of the waste residue of said basic purple dye is following: cuprous sulfide 23-30%, and organism 20-23%, water are 50%; It is characterized in that this method comprises the steps:
The waste residue and the basic purple dye waste residue of step (1), difference weighing reactive brilliant bule K-NA dyestuff; Mass ratio according to two kinds of waste residues is mixing in 1: 1 and stirs uniformly; Drop into stoving oven then together; In 600-700 degree centigrade of roasting 2-4 hour; Make the organism in the mixture burn and be oxidized to carbonic acid gas and aqueous vapor; And copper carbonate is converted into cupric oxide, and cuprous sulfide is converted into Red copper oxide;
Step (2), the remaining solid after step (1) roasting is mixed with excessive hydrochloric acid, cupric oxide and Red copper oxide all and hydrochloric acid reaction, cupric chloride and hydrochloric acid reaction obtain cupric chloride, cuprous chloride and hydrochloric acid reaction obtain cupric chloride and copper; With reacting liquid filtering, obtain copper filter cake and filtrating one, obtain elemental copper after the copper filter cake washing;
Step (3), with filtrating of step (2) gained one and yellow soda ash reaction, produce copper hydroxide and sodium-chlor and carbonic acid gas, through filtration, obtain copper hydroxide product and sodium chloride solution;
Step (4), be the supersaturated solution of sodium-chlor with step (3) gained sodium chloride solution through underpressure distillation, the sodium-chlor crystallization is separated out, filter, obtain sodium-chlor and filtrating three, filtrating three is mixed with the reaction solution of next round step (2) gained and is reused.
The carbon dioxide that step (1) and step (3) are discharged feeds in the alkali lye and reclaims.
According to the inventionly prepare elemental copper with the dyestuff waste residue, the method for copper hydroxide and sodium-chlor, its chemical equation is:
CuO+2HCl＝＝＝＝CuCl
2+H
2O
Cu
2O+2HCl＝＝＝＝CuCl
2+H
2O+Cu
CuCl
2+Na
2CO
3+H
2O＝＝＝＝Cu(OH)
2+CO
2+2NaCl
Beneficial effect of the present invention is: saidly prepare elemental copper with the dyestuff waste residue, and the method for copper hydroxide and sodium-chlor, simple to operate, facility investment is few, has effectively administered the pollution of dye industry waste residue copper sludge, realizes turning waste into wealth, and has created considerable economic value.
Embodiment
Embodiment 1:
A kind ofly prepare elemental copper with the dyestuff waste residue; The method of copper hydroxide and sodium-chlor; Said dyestuff waste residue is the waste residue and the basic purple dye waste residue of reactive brilliant bule K-NA dyestuff; The component of the waste residue of said reactive brilliant bule K-NA dyestuff is following: copper carbonate 5.3%; Organism 8.3%; Moisture 55.4%, all the other are the not tolerant magazine that waits; The composition of the waste residue of said basic purple dye is following: cuprous sulfide 25%, and organism 23%, water are 50%; It is characterized in that this method comprises the steps:
The waste residue and the 500kg basic purple dye waste residue of step (1), difference weighing 500kg reactive brilliant bule K-NA dyestuff; Mass ratio according to two kinds of waste residues is mixing in 1: 1 and stirs uniformly; Drop into stoving oven then together; In 600 degrees centigrade of roastings 4 hours; Make the organism in the mixture burn and be oxidized to carbonic acid gas and aqueous vapor; And copper carbonate is converted into cupric oxide, and cuprous sulfide is converted into Red copper oxide;
Step (2), the remaining solid after step (1) roasting is mixed with excessive hydrochloric acid, cupric oxide and Red copper oxide all and hydrochloric acid reaction, cupric chloride and hydrochloric acid reaction obtain cupric chloride, cuprous chloride and hydrochloric acid reaction obtain cupric chloride and copper; With reacting liquid filtering, obtain copper filter cake and filtrating one, obtain the 30kg elemental copper after the copper filter cake washing;
Step (3), with filtrating of step (2) gained one and yellow soda ash reaction, produce copper hydroxide and sodium-chlor and carbonic acid gas, through filtration, obtain 66.9kg copper hydroxide product and sodium chloride solution;
Step (4), be the supersaturated solution of sodium-chlor with step (3) gained sodium chloride solution through underpressure distillation, the sodium-chlor crystallization is separated out, filter, obtain sodium-chlor and filtrating three, filtrating three is mixed with the reaction solution of next round step (2) gained and is reused.
Embodiment 2:
A kind ofly prepare elemental copper with the dyestuff waste residue; The method of copper hydroxide and sodium-chlor; Said dyestuff waste residue is the waste residue and the basic purple dye waste residue of reactive brilliant bule K-NA dyestuff; The component of the waste residue of said reactive brilliant bule K-NA dyestuff is following: copper carbonate 5.3%; Organism 8.3%; Moisture 55.4%, all the other are the not tolerant magazine that waits; The composition of the waste residue of said basic purple dye is following: cuprous sulfide 25%, and organism 23%, water are 50%; It is characterized in that this method comprises the steps:
The waste residue and the 500kg basic purple dye waste residue of step (1), difference weighing 500kg reactive brilliant bule K-NA dyestuff; Mass ratio according to two kinds of waste residues is mixing in 1: 1 and stirs uniformly; Drop into stoving oven then together; In 700 degrees centigrade of roastings 2 hours; Make the organism in the mixture burn and be oxidized to carbonic acid gas and aqueous vapor; And copper carbonate is converted into cupric oxide, and cuprous sulfide is converted into Red copper oxide;
Step (2), the remaining solid after step (1) roasting is mixed with excessive hydrochloric acid, cupric oxide and Red copper oxide all and hydrochloric acid reaction, cupric chloride and hydrochloric acid reaction obtain cupric chloride, cuprous chloride and hydrochloric acid reaction obtain cupric chloride and copper; With reacting liquid filtering, obtain copper filter cake and filtrating one, obtain the 30kg elemental copper after the copper filter cake washing;
Step (3), with filtrating of step (2) gained one and yellow soda ash reaction, produce copper hydroxide and sodium-chlor and carbonic acid gas, through filtration, obtain 66.9kg copper hydroxide product and sodium chloride solution;
Step (4), be the supersaturated solution of sodium-chlor with step (3) gained sodium chloride solution through underpressure distillation, the sodium-chlor crystallization is separated out, filter, obtain sodium-chlor and filtrating three, filtrating three is mixed with the reaction solution of next round step (2) gained and is reused.
Embodiment 3
A kind ofly prepare elemental copper with the dyestuff waste residue; The method of copper hydroxide and sodium-chlor; Said dyestuff waste residue is the waste residue and the basic purple dye waste residue of reactive brilliant bule K-NA dyestuff; The component of the waste residue of said reactive brilliant bule K-NA dyestuff is following: copper carbonate 5.3%; Organism 8.3%; Moisture 55.4%, all the other are the not tolerant magazine that waits; The composition of the waste residue of said basic purple dye is following: cuprous sulfide 25%, and organism 23%, water are 50%; It is characterized in that this method comprises the steps:
The waste residue and the 500kg basic purple dye waste residue of step (1), difference weighing 500kg reactive brilliant bule K-NA dyestuff; Mass ratio according to two kinds of waste residues is mixing in 1: 1 and stirs uniformly; Drop into stoving oven then together; In 650 degrees centigrade of roastings 3 hours; Make the organism in the mixture burn and be oxidized to carbonic acid gas and aqueous vapor; And copper carbonate is converted into cupric oxide, and cuprous sulfide is converted into Red copper oxide;
Step (2), the remaining solid after step (1) roasting is mixed with excessive hydrochloric acid, cupric oxide and Red copper oxide all and hydrochloric acid reaction, cupric chloride and hydrochloric acid reaction obtain cupric chloride, cuprous chloride and hydrochloric acid reaction obtain cupric chloride and copper; With reacting liquid filtering, obtain copper filter cake and filtrating one, obtain the 30kg elemental copper after the copper filter cake washing;
Step (3), with filtrating of step (2) gained one and yellow soda ash reaction, produce copper hydroxide and sodium-chlor and carbonic acid gas, through filtration, obtain 66.9kg copper hydroxide product and sodium chloride solution;
Step (4), be the supersaturated solution of sodium-chlor with step (3) gained sodium chloride solution through underpressure distillation, the sodium-chlor crystallization is separated out, filter, obtain sodium-chlor and filtrating three, filtrating three is mixed with the reaction solution of next round step (2) gained and is reused.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, 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 confirmed by claims of being submitted to.
Claims (2)
1. one kind prepares elemental copper with the dyestuff waste residue; The method of copper hydroxide and sodium-chlor; Said dyestuff waste residue is the waste residue and the basic purple dye waste residue of reactive brilliant bule K-NA dyestuff; The component of the waste residue of said reactive brilliant bule K-NA dyestuff is following: copper carbonate 5.3%; Organism 8.3%; Moisture 55.4%, all the other are the not tolerant magazine that waits; The composition of the waste residue of said basic purple dye is following: cuprous sulfide 23-30%, and organism 20-23%, water are 50%; It is characterized in that this method comprises the steps:
The waste residue and the basic purple dye waste residue of step (1), difference weighing reactive brilliant bule K-NA dyestuff; Mass ratio according to two kinds of waste residues is mixing in 1: 1 and stirs uniformly; Drop into stoving oven then together; In 600-700 degree centigrade of roasting 2-4 hour; Make the organism in the mixture burn and be oxidized to carbonic acid gas and aqueous vapor; And copper carbonate is converted into cupric oxide, and cuprous sulfide is converted into Red copper oxide;
Step (2), the remaining solid after step (1) roasting is mixed with excessive hydrochloric acid, cupric oxide and Red copper oxide all and hydrochloric acid reaction, cupric chloride and hydrochloric acid reaction obtain cupric chloride, cuprous chloride and hydrochloric acid reaction obtain cupric chloride and copper; With reacting liquid filtering, obtain copper filter cake and filtrating one, obtain elemental copper after the copper filter cake washing;
Step (3), with filtrating of step (2) gained one and yellow soda ash reaction, produce copper hydroxide and sodium-chlor and carbonic acid gas, through filtration, obtain copper hydroxide product and sodium chloride solution;
Step (4), be the supersaturated solution of sodium-chlor with step (3) gained sodium chloride solution through underpressure distillation, the sodium-chlor crystallization is separated out, filter, obtain sodium-chlor and filtrating three, filtrating three is mixed with the reaction solution of next round step (2) gained and is reused.
2. as claimed in claim 1ly prepare elemental copper with the dyestuff waste residue, the method for copper hydroxide and sodium-chlor, said waste residue copper sludge is characterized in that for producing the Vat Grey BG gained, reclaims in the carbon dioxide feeding alkali lye that step (1) and step (3) are discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101827145A CN102345014B (en) | 2011-07-01 | 2011-07-01 | Method for preparing elementary copper, copper hydroxide and sodium chloride through dye waste residues |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101827145A CN102345014B (en) | 2011-07-01 | 2011-07-01 | Method for preparing elementary copper, copper hydroxide and sodium chloride through dye waste residues |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102345014A true CN102345014A (en) | 2012-02-08 |
| CN102345014B CN102345014B (en) | 2013-03-06 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101827145A Expired - Fee Related CN102345014B (en) | 2011-07-01 | 2011-07-01 | Method for preparing elementary copper, copper hydroxide and sodium chloride through dye waste residues |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102345014B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331292A (en) * | 2019-07-23 | 2019-10-15 | 北京科技大学 | A kind of method of refining of stanniferous copper scap |
| CN113104881A (en) * | 2019-12-12 | 2021-07-13 | 林齐坤 | Treatment method of washing liquid in condensation section of reduced olive green B-B imine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201587966U (en) * | 2009-08-12 | 2010-09-22 | 东又悦企业股份有限公司 | Device for recycling high-purity copper oxide from copper bearing sludge resources |
-
2011
- 2011-07-01 CN CN2011101827145A patent/CN102345014B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201587966U (en) * | 2009-08-12 | 2010-09-22 | 东又悦企业股份有限公司 | Device for recycling high-purity copper oxide from copper bearing sludge resources |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331292A (en) * | 2019-07-23 | 2019-10-15 | 北京科技大学 | A kind of method of refining of stanniferous copper scap |
| CN113104881A (en) * | 2019-12-12 | 2021-07-13 | 林齐坤 | Treatment method of washing liquid in condensation section of reduced olive green B-B imine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102345014B (en) | 2013-03-06 |
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