CN108101173A - sulfur-containing waste water comprehensive processing technique - Google Patents
sulfur-containing waste water comprehensive processing technique Download PDFInfo
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- CN108101173A CN108101173A CN201711244343.2A CN201711244343A CN108101173A CN 108101173 A CN108101173 A CN 108101173A CN 201711244343 A CN201711244343 A CN 201711244343A CN 108101173 A CN108101173 A CN 108101173A
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- solution
- waste water
- sulfur
- containing waste
- bas
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- 239000002351 wastewater Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 16
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 239000011593 sulfur Substances 0.000 title claims abstract description 15
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 10
- OEYIOHPDSNJKLS-UHFFFAOYSA-N choline Chemical compound C[N+](C)(C)CCO OEYIOHPDSNJKLS-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229960001231 choline Drugs 0.000 claims abstract description 10
- 238000001556 precipitation Methods 0.000 claims abstract description 8
- 239000011734 sodium Substances 0.000 claims abstract description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 6
- 238000005119 centrifugation Methods 0.000 claims abstract description 5
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims abstract description 5
- 238000001704 evaporation Methods 0.000 claims abstract description 5
- 230000008020 evaporation Effects 0.000 claims abstract description 5
- 238000012216 screening Methods 0.000 claims abstract description 5
- 239000000779 smoke Substances 0.000 claims abstract description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims 1
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 abstract description 24
- 229910000018 strontium carbonate Inorganic materials 0.000 abstract description 10
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 abstract description 9
- 229940101006 anhydrous sodium sulfite Drugs 0.000 abstract description 2
- 230000001351 cycling effect Effects 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 abstract description 2
- 239000010802 sludge Substances 0.000 abstract description 2
- 229940001482 sodium sulfite Drugs 0.000 description 11
- 235000010265 sodium sulphite Nutrition 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- 229910001427 strontium ion Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 239000003818 cinder Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- PWYYWQHXAPXYMF-UHFFFAOYSA-N strontium(2+) Chemical compound [Sr+2] PWYYWQHXAPXYMF-UHFFFAOYSA-N 0.000 description 2
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- SYJBLFMEUQWNFD-UHFFFAOYSA-N magnesium strontium Chemical compound [Mg].[Sr] SYJBLFMEUQWNFD-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 159000000008 strontium salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/101—Sulfur compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The invention belongs to the process fields of a kind of water, waste water, sewage or sludge, specifically disclose a kind of sulfur-containing waste water comprehensive processing technique, (1) the BaS solution of 130 165g/L is added in into sulfur-containing waste water, until being generated again without precipitation when continuously adding BaS solution；(2) excessive Na is added in through step (1) treated solution2CO3Solution, and handled through press filtration；(3) water obtained through press filtration is used for choline Na2CO3, choline is latter with desulfurizing tower and smoke contacts are sprayed into, and cycles and stops Xun Huan when the PH of solution being controlled to be 6 7.5；(4) add in NaOH into the solution that step (3) obtains, after handled through press filtration；(5) solution that obtains step (4) is crystallized, evaporation, concentration, centrifugation, can obtain anhydrous sodium sulfite after drying and screening.Treatment process using the present invention can will influence the cycling utilization of wastewater of strontium carbonate quality, realize wastewater zero discharge.
Description
Technical field
The invention belongs to the process fields of a kind of water, waste water, sewage or sludge, and in particular to a kind of sulfur-containing waste water General Office
Science and engineering skill.
Background technology
Chinese industrial strontium carbonate since early 1970s since industrialized production, go through by the production for having more than 40 years
History.China has become maximum in the world industrial magnesium strontium producing country and country of consumption at present, and exports to all over the world, in state
Enjoy higher reputation in border market.
Strontium carbonate is a kind of important strontium salt, is production kinescope, computer display, industrial display and electronical display
The important source material of device etc. is also widely used for magnetic material, medicine and chemicals, pigment, coating, ceramics, electrolytic zinc and cigarette
The fields such as fire.
According to the requirement of environmental regulation, strontium carbonate industry production wastewater discharge standard is less than 10mg/L for strontium ion content,
Sulfide content is less than 1mg/L.A large amount of cinder field recycle-waters, plant area's punching ground recycle-water etc. are generated during strontium carbonate is produced at present
Waste water containing a large amount of strontium ions and sulfide, recycling will influence the quality of product, the wastewater treatment of not reuse, then current industry
Level cannot accomplish qualified discharge, thus industry in use be all part processing plus steal row by the way of, seriously pollute environment, and
And harmful effect is caused to society.
The content of the invention
It is an object of the invention to provide a kind of sulfur-containing waste water comprehensive processing technique, treatment process using the present invention can incite somebody to action
The cycling utilization of wastewater of strontium carbonate quality is influenced, realizes wastewater zero discharge.
In order to achieve the above objectives, base case of the invention is as follows：
Sulfur-containing waste water comprehensive processing technique, including following processing step：
(1) the BaS solution of 130-165g/L is added in into sulfur-containing waste water, until again without precipitation when continuously adding BaS solution
It generates；
(2) excessive Na is added in through step (1) treated solution2CO3Solution, and handled through press filtration；
(3) water obtained through press filtration is used for choline Na2CO3, choline is latter with desulfurizing tower and smoke contacts are sprayed into, and Xun Huan is simultaneously
Stop Xun Huan when the PH of solution being controlled to be 6-7.5；
(4) add in NaOH into the solution that step (3) obtains, control last PH as 9-10, after handled through press filtration；
(5) solution that obtains step (4) is crystallized, evaporation, concentration, centrifugation, can obtain anhydrous sodium after drying and screening
Sodium sulphate.
The advantages of this programme is：This programme master to be processed is the waste water generated in strontium carbonate producing process, as cinder field is returned
The waste water such as water, punching ground water are received, SO is mainly contained in waste water4 2-、Sr2+、S2-、Na+And H2O, if above-mentioned waste water direct circulation used
In production strontium carbonate, then strontium carbonate product quality will be seriously affected.This programme is after processing, by the SO in waste water4 2-Sr2+、
S2-It is separately converted to BaSO4、SrCO3It is all handled with FeS and through press filtration, choline in processing procedure is utilized in this programme
Na2CO3In contain Fe2+, just can be effectively by S2It is handled, moreover, the waste water in this programme is latter with penetrating for choline
After desulfurizing tower and smoke contacts, the waste water of script and exhaust gas can be efficiently used, be prepared sodium sulfite, crystallized, evaporation,
It can anhydrous sodium sulfite product of winner's content more than 96% after concentration, centrifugation, drying and screening.Company is in sodium sulfite
Consumable moisture 50-60m in production process3/ day, after scheme using the present invention, waste water can be completely used for sodium sulfite life
In production, the use of raw water in production process is on the one hand reduced, on the other hand really realizes the purpose of wastewater zero discharge.
Further, in step (3), Xun Huan is stopped when the PH of solution being controlled to be 6.7.Applicant sends out in practice and experiment
Existing, when stopping Xun Huan when the PH of solution being controlled to be 6.7, energy maximum is farthest by the Na in solution2CO3With SO2Reaction, from
And make the conversion rate of products subsequently obtained high.
Further, prepared after being dissolved in water of the BaS solution using 80-100 DEG C of the BaS additions of roasting.Applicant exists
It is found in practice and experiment, BaS solution is prepared using the BaS of above-mentioned roasting, the more efficient of reaction can be made, so as to improve most
The preparation efficiency of whole sodium sulfite product.
Further, in step (4), NaS is added after NaOH is added in, is generated until continuously adding without precipitation.It adds in
NaS processing, the Fe that can be further reduced in solution2+Content reaches the main content of the product of the sodium sulfite of preparation
More than 98%, so as to ensure that product has better quality.
Specific embodiment
It is further described below by specific embodiment：
Embodiment 1
A kind of sulfur-containing waste water comprehensive processing technique, including following processing step：
(1) to 20m3Sulfur-containing waste water in add in 130-165g/L BaS solution, the BaS solution using roasting BaS systems
It is standby, until being generated again without precipitation when continuously adding BaS solution；
(2) excessive Na is added in through step (1) treated solution2CO3Solution, to add in Na2CO3Solution again without
When precipitation generates, and handled through press filtration；
(3) water obtained through press filtration is used for choline Na2CO3, choline is latter with desulfurizing tower and smoke contacts are sprayed into, and Xun Huan is simultaneously
Stop Xun Huan when the PH of solution being controlled to be 6；
(4) NaOH, solution or solid are added in into the solution that step (3) obtains, control last PH as 9-10,
After handled through press filtration；
(5) solution that obtains step (4) is crystallized, evaporation, concentration, centrifugation, can obtain anhydrous sodium after drying and screening
Sodium sulphate.
Embodiment 2
The present embodiment in place of the difference of embodiment 1 with being：In step (3), stop following when the PH of solution being controlled to be 6.7
Ring.
Embodiment 3
The present embodiment in place of the difference of embodiment 1 with being：In step (3), stop Xun Huan when the PH of solution being controlled to be 7.
Embodiment 4
The present embodiment in place of the difference of embodiment 1 with being：In step (3), stop following when the PH of solution being controlled to be 7.5
Ring.
Embodiment 5
The present embodiment in place of the difference of embodiment 2 with being：NaS is added after NaOH is added in, until continuously adding
It is generated without precipitation.
Comparative example 1
The present embodiment in place of the difference of embodiment 1 with being：Stop Xun Huan when the PH of solution being controlled to be 5.5.
Comparative example 2
The present embodiment in place of the difference of embodiment 1 with being：Stop Xun Huan when the PH of solution being controlled to be 8.
The purity of the sodium sulfite prepared in each embodiment and comparative example is detected respectively, and result is recorded respectively,
The results are shown in Table 1：
Table 1
Comparative example 1- embodiments 4 are as can be seen that the sodium sulfite purity for preparing is relatively high in embodiment 2, difference
Part is that embodiment 2 stops Xun Huan when the PH of solution being controlled to be 6.7, it is seen that PH uses the requirement in embodiment 2, can improve most
The sodium sulfite purity being prepared afterwards.
Comparative example 2 and implement 5 as can be seen that the sodium sulfite purity for preparing is relatively high in embodiment 5, the two
Difference part is that embodiment 5 adds NaS after NaOH is added in, it is seen that can effectively improve what is be prepared after adding in NaS
Sodium sulfite purity.
Comparative example 1-4, as can be seen that in step (3), controls the PH of solution in the range of 6-7.5 with comparative example 1,2,
The sodium sulfite purity being finally prepared can be effectively ensured to be improved.
Above-described is only the embodiment of the present invention, and the common sense such as well known characteristic do not describe excessively herein in scheme.
It should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise, several changes can also be made
Shape and improvement, these should also be considered as protection scope of the present invention, these all do not interfere with the effect and patent that the present invention is implemented
Practicability.The scope of protection required by this application should be based on the content of the claims, the specific embodiment party in specification
The records such as formula can be used for the content for explaining claim.
Claims (4)
1. sulfur-containing waste water comprehensive processing technique, which is characterized in that including following processing step：
(1) the BaS solution of 130-165g/L is added in into sulfur-containing waste water, until being generated again without precipitation when continuously adding BaS solution；
(2) excessive Na is added in through step (1) treated solution2CO3Solution, and handled through press filtration；
(3) water obtained through press filtration is used for choline Na2CO3, choline is latter with desulfurizing tower and smoke contacts are sprayed into, and cycles and controls
Stop Xun Huan when the PH of solution is 6-7.5；
(4) add in NaOH into the solution that step (3) obtains, control last PH as 9-10, after handled through press filtration；
(5) solution that obtains step (4) is crystallized, evaporation, concentration, centrifugation, can obtain anhydrous sulfurous acid after drying and screening
Sodium.
2. sulfur-containing waste water comprehensive processing technique according to claim 1, it is characterised in that：In step (3), solution is controlled
Stop Xun Huan when PH is 6.7.
3. sulfur-containing waste water comprehensive processing technique according to claim 1, it is characterised in that：The BaS solution is using roasting
BaS add in 80-100 DEG C of water dissolve after prepare.
4. according to claim 1-3 any one of them sulfur-containing waste water comprehensive processing techniques, it is characterised in that：In step (4),
It adds in NaOH and adds NaS afterwards, generated until continuously adding without precipitation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711244343.2A CN108101173A (en) | 2017-11-30 | 2017-11-30 | sulfur-containing waste water comprehensive processing technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711244343.2A CN108101173A (en) | 2017-11-30 | 2017-11-30 | sulfur-containing waste water comprehensive processing technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108101173A true CN108101173A (en) | 2018-06-01 |
Family
ID=62208758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711244343.2A Pending CN108101173A (en) | 2017-11-30 | 2017-11-30 | sulfur-containing waste water comprehensive processing technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108101173A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3984312A (en) * | 1973-04-23 | 1976-10-05 | Industrial Resources, Inc. | Process for insolubilizing potentially water pollutable wastes from sodium or ammonium type sulfur dioxide air pollution control systems |
-
2017
- 2017-11-30 CN CN201711244343.2A patent/CN108101173A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3984312A (en) * | 1973-04-23 | 1976-10-05 | Industrial Resources, Inc. | Process for insolubilizing potentially water pollutable wastes from sodium or ammonium type sulfur dioxide air pollution control systems |
Non-Patent Citations (2)
| Title |
|---|
| 贾明: "锶盐生产中废气、废水的综合利用", 《化工管理》 * |
| 骆欣: "含锶放射性废水的处理方法研究进展", 《华北科技学院学报》 * |
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Application publication date: 20180601 |