CN107922192A - New-type environmentally friendly " zero solid discharge " processing for dye and dye intermediate industry - Google Patents
New-type environmentally friendly " zero solid discharge " processing for dye and dye intermediate industry Download PDFInfo
- Publication number
- CN107922192A CN107922192A CN201680040127.3A CN201680040127A CN107922192A CN 107922192 A CN107922192 A CN 107922192A CN 201680040127 A CN201680040127 A CN 201680040127A CN 107922192 A CN107922192 A CN 107922192A
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- CN
- China
- Prior art keywords
- water
- industry
- dye
- salt
- carbonaceous powders
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/04—Chlorides
- C01D3/08—Preparation by working up natural or industrial salt mixtures or siliceous minerals
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
- C01D5/16—Purification
Abstract
Chemical waste material can be changed into non-hazardous, available chemical material by the present invention.Specifically, " carbonaceous powders " can be changed into C catalyst and inorganic salts by the present invention.Carbonaceous powders comprising toxic chemicals, are a kind of waste materials that a variety of chemical industries can all produce.The present invention can recycle acid catalyst " AC [SO from " carbonaceous powders " comprising toxic organics3H, OH] " and salt.In addition, it is contemplated that water is recycled in whole process.
Description
Cross reference to related applications
Application claims are in the priority of the May in 2015 of the 2082/MUM/2015 Indian patent applications submitted on the 29th.
Technical field
The present invention relates to dye and dye intermediate industry, and in the sector, poisonous organic wastewater largely produces.This hair
It is bright to be related to the such poisonous organic wastewater of processing and make the new method of its environmental sound.In addition, also such waste water is converted into
Valuable byproduct.
Background technology
Dye and dye intermediate industry is one of long-term a large amount of maximum fields for producing waste water.Dye and dye intermediate
Waste water is containing poisonous organic compound, inorganic salts, acid and water.If such waste material is without disposal with caution, to human health
It is extremely harmful with environment.Any careless handling may all give human health, animal, marine organisms, plant, natural water resources and total
Body environment causes wide influence.
It is known recently in the prior art, above-mentioned waste water is finally embedded in government permission through burning or being spray-dried
Solid waste landfills.
In more detail, in technology before, when handling above-mentioned waste water, inorganic salts are removed first.Then, white lime is used
Waste water is neutralized, goes to deacidify as gypsum.Gypsum is filtered, and waste water is concentrated.Rich in organic compound and
The concentration waste water of some inorganic salts, is either incinerated or is spray dried.Powder or solid after burning or being spray-dried give up
Gurry, safely puts into bag through careful, and is embedded in the solid waste landfills of government permission.
The shortcomings that prior art
In the prior art, a large amount of people are needed to the processing procedure of dangerous waste water caused by dye and dye intermediate industry
Member participates in.Such processing, it is necessary to carried out in the case of stringent control.During prior art processing, it is desirable to which height is noted
Meaning is concentrated with energy.In such processing procedure, it may occur that major accident and mistake.Any mistake may all give people
Member's health care belt carrys out considerable risk.
Participate in the personnel of such processing procedure, it is necessary to which strict safety handbook, carefully observes in workplace and refer to safely
Order.Even if moreover, personnel's strict safety regulations, in this case it is still possible to carry out long-term risk to their health care belt.
In addition, respective government agencies just to the disposal applications of waste water caused by dyestuff and stain industry safety rule with
Criterion.Correspondingly, such waste water has to pass through stringent processing, processing, the refuse landfill disposed and bury government permission.It is useless
Water is processed by particular procedure, is eventually converted into powder/solid waste, is landfilled the solid rubbish via government permission
Rubbish landfill yard.
But solid waste contains toxic organics.In the event of such as earthquake, flood natural calamity, pacify originally
Full solid waste landfills may be damaged, so as to be subject to water erosion.Solid waste is dissolved in water, produces again poisonous useless
Water.Waste water meeting polluted underground water layer, and then the water being heavily polluted is produced on a large scale.
Moreover, whole waste water safe disposal process high cost, largely consumes the energy, secondary effect is caused to environment.
The content of the invention
- environmental protection of the present invention, makes environment from dangerous noxious chemical wastess (particularly dye and dye intermediate row
Industry produce carbonaceous powders) harm.
- the present invention can extract valuable chemicals, i.e. acid catalyst " AC [- SO from " carbonaceous powders "3H ,-OH] " and
Salt.
- the present invention carries out recycling and recycling in whole process to water.
Goal of the invention
The main object of the present invention is environmental protection, protects it from waste water caused by dye and dye intermediate industry
Adverse effect.
Another object of the present invention be to provide for organic wastewater caused by dye and dye intermediate industry into
The safe and environmental-friendly new processing method of row.
Another object of the present invention is to destroy the toxicity of organic compound present in waste water.
Another object of the present invention is to overcome potential environmental hazard when natural calamity (such as earthquake and flood) occurs
Risk, because the solid waste that former peace is embedded in refuse landfill may be dissolved in water, and produces toxic wastewater again.
Another object of the present invention is to eliminate the generation of poisonous solid waste in dye and dye intermediate industry.
The present invention can from by solid toxic waste landfill to refuse landfill, thus such soil can make farming land,
Residential land and other general services.
Another object of the present invention is the waste management behaviour that official implements in simplified dye and dye intermediate industry
Make.The sector waste management is complicated, has multiple operation tasks to refuse landfill since factory.In addition, the present invention will section
Save the correlative charges of waste water dis posal process.The expense includes all kinds of expenses, i.e.,：Traffic expense, labour cost, handling, packing charge,
Disposal takes.
Another object of the present invention is that discarded object is changed into available byproduct, and is beneficial to obtain valuable production
Product.At the method end of the present invention, the specific byproduct of output, i.e. (i) acid catalyst carbon；(ii) sodium sulphate-" Na2SO4”；(iii)
Sodium chloride-" NaCl ".
Summary of the invention
Chemical waste material can be changed into non-hazardous, available chemical material by the present invention.More precisely, this hair
It is bright that " carbonaceous powders " are changed into C catalyst and inorganic salts.
Carbonaceous powders comprising toxic chemicals, are a kind of waste materials that a variety of chemical industries can all produce.
The present invention can recycle acid catalyst " AC [- SO from " carbonaceous powders " comprising poisonous organic compound3H ,-OH] "
And salt.In addition, it is contemplated that water is recycled in whole process.
Detailed description of the invention
Carbonaceous powders are changed into nontoxic, useful chemicals by the present invention.Carbonaceous powders are a variety of chemical industries (including dyestuffs
And dyestuff intermediate industry, pharmaceuticals industry, pigment industry, sugared industry, liquor industry and textile industry) a kind of poisonous giving up of producing
Thing material.
According to specific industry, carbonaceous powders can contain OH, NH2、SO3H、SO3Na、CH(CH2-CH3) n, Cl, Br, I, F, idol
Nitrogen compound, diazonium compound and metal composite.
The method of the present invention mainly performs three big tasks：
The carbonization of-carbonaceous powders
- acid catalyst " AC [- SO are recycled from carbonaceous powders3H ,-OH] "
- it is separated from the water out salt
Wherein, conversion process includes following each steps：
A) it is carbonized：
By carbonaceous powders in non-reactive gas nitrogen " N2" in the presence of carbon is carried out in 350 DEG C -650 DEG C of heating chamber
Change.In this step, the mixture of carbonaceous powders changes into carbon and salt by above-mentioned heating process.
B) it is immersed in the water：
The mixture of carbon and salt is immersed in the water that temperature is 80 DEG C -90 DEG C.
C) salt and carbon are separated
Salt and carbon have different property when being immersed in the water.Salt has is dissolved in the property of water at a certain temperature, and carbon
It is not soluble in water.
At this step end, waste water mixture is separated into two parts by filter press.Salt " Na2SO4, NaCl " is because being dissolved in water
And separate in fluid form.And C catalyst acid catalyst " AC [- SO3H ,-OH] " then isolated in the form of solid powder
Come.
D) water outlet is distilled
Finally, the water of saliferous is handled by distillation.With " multi-effect evaporator " or " forced-circulation evaporator " both
Alternative selection mode distillation water outlet.In this step, the water of 50%-70% is evaporated from liquid.These are distilled
Water out will be reused in above-mentioned steps b.Remaining material is salting liquid, and the salting liquid mainly contains salt
“Na2SO4, NaCl ", and be mixed with the water of 30%-50% according to for distilling the specific distillation mode of water outlet.
E) band filter process
Band filter process is especially in the present invention dehydrated salting liquid primarily to solid-liquid separation treatment.Cross
Filter process is mainly realized via roller system by a pair of of filter bag.The system is isolated using salting liquid as charging
Cheng Shui and solid salt.
Brief description of the drawings
Fig. 1：New-type, environmentally friendly " zero solid discharge " processing for being used for dye and dye intermediate industry of the display present invention
Method.
Embodiment
New-type, environmentally friendly " zero solid discharge " processing for being used for dye and dye intermediate industry of Fig. 1 display present invention
Flow chart.Carbonaceous powders (1) are in non-reactive gas nitrogen " N2" in the presence of in 350 DEG C -650 DEG C of heating chamber (2) quilt
Carbonization.In the chamber, carbonaceous powders are converted to carbon and salt.The mixture of carbon and salt is sent into " immersion container " (3) and immersed
Temperature is in 80 DEG C -90 DEG C of water.Mixture is further sent into " filter press " (4), in filter press, salt " Na2SO4、
NaCl " is separated in fluid form because soluble in water.C catalyst acid catalyst " AC [- SO3H ,-OH] " (6) then with solid
The form separation of powder.“Na2SO4, NaCl " liquid (5) further sent to " accumulator " (7), and with " multi-effect evaporator "
(8) or " forced-circulation evaporator " (9) are distilled.In this step, the water of 50%-70% can be evaporated from liquid
(10).These water being distilled off will be reused in above-mentioned " immersion container " (3).Remaining material is " salting liquid "
(11), it mainly contains salt " Na2SO4, NaCl " and 30%-50% is mixed with according to the specific distillation mode for distilling water outlet
Water.Finally, salting liquid (11) passes through " band filter " (12) process." band filter " (12) process primarily to
Solid/liquid separation processing, is especially in the present invention dehydrated salting liquid.Filter progress mainly passes through a pair via roller system
Filter bag and realize.At the end of process, " Na2SO4" (13) and water (14) is separated.
Claims (5)
1. the carbonizatin method of carbonaceous powders, wherein the carbonaceous powders are a kind of toxic waste matter that a variety of chemical industries produce, it is described
A variety of chemical industries include dye and dye intermediate industry, pharmaceuticals industry, pigment industry, sugared industry, liquor industry and weaving
Industry, wherein according to specific industry, the carbonaceous powders can contain OH, NH2、SO3H、SO3Na、CH(CH2-CH3)n、Cl、Br、I、
F, azo compound, diazonium compound and metal composite.
2. the carbonizatin method of carbonaceous powders according to claim 1, wherein by non-reactive gas nitrogen " N2" in the presence of
Heated in 350 DEG C -650 DEG C of room, the carbonaceous powders are changed into carbon and salt.
3. the method for salt and carbon is isolated from the mixture handled by claim 2, wherein the mixture is immersed in temperature
For in 80 DEG C -90 DEG C of water, salt due to dissolving in water with water-soluble property, while carbon is not soluble in water；Wherein salt
“Na2SO4, NaCl " separate in liquid form, C catalyst " AC [- SO3H ,-OH] " separated with solidapowder form.
4. the method for water outlet is distilled from the mixture of " Yan Heshui " caused by claim 3, wherein with " multi-effect evaporator "
Or " forced-circulation evaporator " both alternative selection modes distill water, the water of 50%-70% is steamed from liquid
Issue, remaining material is salting liquid, and the salting liquid mainly contains salt " Na2SO4, NaCl " and according to for distilling water outlet
Specific distillation mode and be mixed with the water of 30%-50%.
5. inorganic salts " the Na obtained according to claim 3 and 42SO4、NaCl”。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN2082/MUM/2015 | 2015-05-29 | ||
| IN2082MU2015 | 2015-05-29 | ||
| PCT/IN2016/000133 WO2016193992A1 (en) | 2015-05-29 | 2016-05-24 | A novel and environment friendly "zero solid discharge" treatment used in dyes and dyes intermediate industries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107922192A true CN107922192A (en) | 2018-04-17 |
Family
ID=57440696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680040127.3A Pending CN107922192A (en) | 2015-05-29 | 2016-05-24 | New-type environmentally friendly " zero solid discharge " processing for dye and dye intermediate industry |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107922192A (en) |
| WO (1) | WO2016193992A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019049166A1 (en) * | 2017-09-08 | 2019-03-14 | Ambuja Intermediates Pvt Ltd | An improved & environment friendly zero discharge treatment used in organic synthesis & speciality chemical industries |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1145612A (en) * | 1993-11-23 | 1997-03-19 | 德国索尔瓦有限公司 | Process for the treatment of wast water containing organic and inorganic compunds |
| EP0822270A1 (en) * | 1996-07-30 | 1998-02-04 | Solutia Europe N.V./S.A. | Water-treatment composition and method of use |
| US5846431A (en) * | 1996-06-27 | 1998-12-08 | Naito; Harusuke | Method for removing dyestuff in dyeing waste and a dyeing stuff removing preparation |
| CN101200423A (en) * | 2007-11-13 | 2008-06-18 | 浙江大学 | Epoxy ester wastewater recycling treatment method |
| CN101277912A (en) * | 2005-09-29 | 2008-10-01 | 东丽株式会社 | Porous carbon sheet and process for production thereof |
| CN102167416A (en) * | 2010-02-26 | 2011-08-31 | 上海图和环保材料科技有限公司 | Novel printing and dyeing wastewater treatment agent and preparation method thereof |
| CN102616922A (en) * | 2012-04-23 | 2012-08-01 | 重庆康达环保产业（集团）有限公司 | PACT (Production Analysis Control Technique) novel process for treating non-biodegradable waste water by using circularly-reproducible powdered activated carbon |
| CN102863096A (en) * | 2012-08-31 | 2013-01-09 | 保龄宝生物股份有限公司 | Method for recovering waste water generated in production of starch sugar |
| CN103073146A (en) * | 2013-02-06 | 2013-05-01 | 上海中科高等研究院 | Waste water treatment method and device based on forward osmosis and membrane distillation |
| CN104030509A (en) * | 2014-06-18 | 2014-09-10 | 泰兴锦汇化工有限公司 | Treatment method of wastewater during production of acid H taken as dye intermediate |
| CN104193070A (en) * | 2014-09-26 | 2014-12-10 | 李仕全 | Effluent treatment device for sugarcane factory |
-
2016
- 2016-05-24 CN CN201680040127.3A patent/CN107922192A/en active Pending
- 2016-05-24 WO PCT/IN2016/000133 patent/WO2016193992A1/en active Application Filing
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1145612A (en) * | 1993-11-23 | 1997-03-19 | 德国索尔瓦有限公司 | Process for the treatment of wast water containing organic and inorganic compunds |
| US5846431A (en) * | 1996-06-27 | 1998-12-08 | Naito; Harusuke | Method for removing dyestuff in dyeing waste and a dyeing stuff removing preparation |
| EP0822270A1 (en) * | 1996-07-30 | 1998-02-04 | Solutia Europe N.V./S.A. | Water-treatment composition and method of use |
| CN101277912A (en) * | 2005-09-29 | 2008-10-01 | 东丽株式会社 | Porous carbon sheet and process for production thereof |
| CN101200423A (en) * | 2007-11-13 | 2008-06-18 | 浙江大学 | Epoxy ester wastewater recycling treatment method |
| CN102167416A (en) * | 2010-02-26 | 2011-08-31 | 上海图和环保材料科技有限公司 | Novel printing and dyeing wastewater treatment agent and preparation method thereof |
| CN102616922A (en) * | 2012-04-23 | 2012-08-01 | 重庆康达环保产业（集团）有限公司 | PACT (Production Analysis Control Technique) novel process for treating non-biodegradable waste water by using circularly-reproducible powdered activated carbon |
| CN102863096A (en) * | 2012-08-31 | 2013-01-09 | 保龄宝生物股份有限公司 | Method for recovering waste water generated in production of starch sugar |
| CN103073146A (en) * | 2013-02-06 | 2013-05-01 | 上海中科高等研究院 | Waste water treatment method and device based on forward osmosis and membrane distillation |
| CN104030509A (en) * | 2014-06-18 | 2014-09-10 | 泰兴锦汇化工有限公司 | Treatment method of wastewater during production of acid H taken as dye intermediate |
| CN104193070A (en) * | 2014-09-26 | 2014-12-10 | 李仕全 | Effluent treatment device for sugarcane factory |
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| Publication number | Publication date |
|---|---|
| WO2016193992A1 (en) | 2016-12-08 |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180417 |
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