CN105084631B - A kind of handling process of resin regeneration waste water - Google Patents
A kind of handling process of resin regeneration waste water Download PDFInfo
- Publication number
- CN105084631B CN105084631B CN201510530074.0A CN201510530074A CN105084631B CN 105084631 B CN105084631 B CN 105084631B CN 201510530074 A CN201510530074 A CN 201510530074A CN 105084631 B CN105084631 B CN 105084631B
- Authority
- CN
- China
- Prior art keywords
- water
- waste water
- resin regeneration
- gained
- liquid
- 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.)
- Active
Links
Abstract
The present invention relates to a kind of handling process of resin regeneration waste water, including the step such as precipitation, air supporting, filtering, counter-infiltration, concentration, electrolysis, the beneficial effects of the invention are as follows：Production water and medicament after wastewater treatment match somebody with somebody can carry out reuse as the acid ＆ alkali liquid of resin regeneration after liquid, " zero-emission " is realized in the pollution that the reclamation rate of soda acid reduced to environment more than 90%, both, while reducing the reagent consumption of resin regeneration.
Description
Technical field
The present invention relates to a kind of handling process of waste water, more particularly to a kind of handling process of resin regeneration waste water, belong to
Field of waste water treatment.
Background technology
The waste water that zwitterion regeneration is produced belongs to intractable high-salt wastewater, and biodegradability is poor, it is difficult to degrade, with general
Biological treatment be difficult to qualified discharge, be typically chosen after neutralization and discharge, but for power plant or steel mill, sewage quantity is big, to environment
Burden is caused, the processing of highly salt containing organic waste water is one of difficult point and focus of domestic and foreign scholars research now.
For the processing of high-salt wastewater, the method used at present has following several：1) Fenton reagent catalytic oxidation：It is logical
Cross and add ferrous salt and hydrogen peroxide oxidation operation carbon dioxide and water are played to purpose for degradation of organic substances.2) precipitation method：
Respectively detected for the waste water produced in negative and positive bed regenerative process, precipitation is collected to high slat-containing wastewater area, it is heavy with substep
Shallow lake method removes calcium, magnesium, iron ion in cation bed regenerative wastewater, with secondary precipitation remove sulfate radical in anion bed regenerative wastewater from
Son and silicate, isolate precipitation after supernatant based on sodium chloride, can as sodium ion exchange resin regenerated liquid, reduce
The discharge of waste water.3) nitrate dropped off in sub-exchange resin regeneration liquid waste is removed using anion exchange membrane bioreactor real
The processing and reuse of existing regeneration liquid waste, the anion-exchange membrane side is denitrification denitrogenation medium, and opposite side is ion exchange
Acid-basic regenerated waste liquids in water, then will remove the ion exchange resin regeneration thin stillage recycling of nitrate in saturation ion exchange resin
Regeneration.4) segmentation absorption method processing ion exchange resin regeneration acid, alkali waste water：According to resin regeneration waste water impurity content and acid,
The difference of alkali concn, carries out segmentation recovery, acid, alkali after recovery can carry out positive and negative resin again respectively using special NF membrane
Raw, Fenton reagent catalytic oxidation needs substantial amounts of adding of agent, and operating cost is high, and to the salt content effect in waste water not
Greatly.The precipitation method need constantly to detect water sample, while by waste water segmentation classification processing, repeatedly adding all kinds of precipitating reagents, processing is followed by
Nearly source water, will also add sodium chloride and hydrochloric acid, not only trivial operations, are difficult continuous control and efficiency is low, not as salt solution is entered
" zero-emission " of waste water is realized, even if reuse also needs to extra medicament addition.Anion exchange Membrane Bioreactor for Wastewater Treatment is again
There is raw waste liquid effect other ions such as sulfate ion remaining in unicity, waste water etc. to have shadow to the regeneration effect of resin
Ring.Neutralized in segmentation absorption method when acid, alkali concn≤1% and be discharged into sewerage, the zero-emission of sewage is not implemented, though improve
Acid, alkali utilization rate but about 70% acid, alkali only up to be reclaimed, reclamation rate is low.
The content of the invention
There is provided a kind of handling process of resin regeneration waste water for deficiency of the invention for existing treatment method for high-salinity wastewater.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
A kind of handling process of resin regeneration waste water, it is characterised in that comprise the following steps：
1) precipitate：The waste water produced in resin regeneration process is introduced into sedimentation basin, CaCl is added into sedimentation basin2With
NaOH, to precipitate the calcium ion in waste water, magnesium ion, sulfate radical and silicate；
2) air supporting：By step 1) in gained supernatant introduce flotation tank, first into flotation tank add flocculant formed
Flocculation sediment, while the colloid and suspension in water are separated in flotation tank, scum silica frost is removed from water surface；
3) filter：By step 2) in gained supernatant be pumped to cartridge filter filtering；
4) counter-infiltration：By step 3) in filter after water is introduced into reverse osmosis unit and is concentrated, gained dilution is stored
Used in doing backwash in water tank, concentrate enters next step；
5) concentrate：By step 4) in gained concentrate is introduced into rotation film evaporator in formation saturation NaCl solution, gained
Dilution is stored in do in condensation water tank and used with liquid；
6) it is electrolysed：By step 5) in the saturation NaCl solution that is formed is introduced into electrolytic cell and is electrolysed, anode and negative electrode production
Raw gas is passed through in synthetic tower clout in reaction generation HCl, electrolytic cell and matches somebody with somebody the regeneration that liquid reuse carries out resin as NaOH.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, step 2) described in flocculant be aluminium polychloride, polyacrylamide or the mixture of the two.
Further, step 4) described in reverse osmosis unit in the special counter-infiltration loose membrane of concentrated water is installed.
Beneficial effect using above-mentioned further technical scheme is：Concentrate osmotic effect more preferably, extend the life-span, reduce film
Replacement frequency.
Further, step 6) described in electrolytic cell be vertical diaphragm electrolytic cell.
The beneficial effects of the invention are as follows：
1) the production water and medicament after wastewater treatment match somebody with somebody can carry out reuse, soda acid after liquid as the acid ＆ alkali liquid of resin regeneration
Reclamation rate pollution to environment reduced more than 90%, both realize " zero-emission ", while the medicament for reducing resin regeneration disappears
Consumption；
2) concentration that salt concentration technique carries out the first step using membrane filtration technique first disappears to reduce the heat of evaporation process
Consumption, while the more common evaporator of the rotation film evaporator formation saturated solution used and the process of evaporating completely crystallization compare energy consumption
It is low, and the heat discharged in electrolytic recovery process in synthetic tower can as evaporator heat supply, realize heat recovery
Recycle, so the energy consumption of whole processing technology is small, operating cost is low, be particularly suitable for use in large-scale high-salt sewage processing, and resin is again
The raw more industrial and mining enterprises of waste water embody especially prominent.
Brief description of the drawings
Fig. 1 is the handling process schematic diagram of the resin regeneration waste water of the present invention；
Embodiment
The principle and feature of the present invention are described below in conjunction with example, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in figure 1, a kind of handling process of resin regeneration waste water, the waste water for first producing resin regeneration process is introduced
In sedimentation basin, CaCl is added into sedimentation basin2And NaOH, calcium ion, magnesium ion, sulfate radical and the silicate in waste water are precipitated,
When the content of calcium ion therein, magnesium ion, sulfate radical and silicate is less than 0.01mol/L after testing, supernatant is introduced into gas
Floating pond, aluminium polychloride formation flocculation sediment is added into flotation tank, while the colloid and suspension in water enter in flotation tank
Row separation, scum silica frost is removed from water surface, and filtering in cartridge filter is introduced into afterwards, and the water after filtering, which enters, to be provided with
Is concentrated in the reverse osmosis unit of the special counter-infiltration loose membrane of concentrated water, gained dilution, which is stored in water tank, to be done backwash and make
With the dilution water being made in gained concentrate entrance rotation film evaporator obtained by saturation NaCl solution, evaporator is stored in cold
Do and used with liquid in condensation tank, gained saturation NaCl solution is electrolysed into vertical diaphragm electrolytic cell, anode is produced with negative electrode
Gas be passed through in synthetic tower the regeneration that clout in reaction generation HCl, electrolytic cell carries out resin as NaOH with liquid reuse, reaction
The heat that reaction is produced in tower is introduced to be used in rotation film evaporator.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the protection domain of invention.
Claims (1)
1. a kind of handling process of resin regeneration waste water, it is characterised in that comprise the following steps：
1) precipitate：The waste water produced in resin regeneration process is introduced into sedimentation basin, CaCl is added into sedimentation basin2And NaOH, it is used to
Precipitate calcium ion, magnesium ion, sulfate radical and the silicate in waste water；
2) air supporting：By step 1) in gained supernatant introduce flotation tank, first into flotation tank add flocculant formation flocculation
Precipitation, while the colloid and suspension in water are separated in flotation tank, scum silica frost is removed from water surface, described flocculant
For aluminium polychloride, polyacrylamide or the mixture of the two；
3) filter：By step 2) in gained supernatant be pumped to cartridge filter filtering；
4) counter-infiltration：By step 3) in filter after water be introduced into reverse osmosis unit and concentrated, gained dilution is stored in water
Backwash is done in case to use, concentrate enter be provided with next step, described reverse osmosis unit the special counter-infiltration of concentrated water dredge
Loose film；
5) concentrate：By step 4) in gained concentrate is introduced into rotation film evaporator in formed saturation NaCl solution, gained dilute
Liquid is stored in do in condensation water tank and used with liquid；
6) it is electrolysed：By step 5) in the saturation NaCl solution that is formed is introduced into electrolytic cell and is electrolysed, anode and negative electrode generation
Gas is passed through in synthetic tower clout in reaction generation HCl, electrolytic cell and matches somebody with somebody the regeneration that liquid reuse carries out resin, the electricity as NaOH
Solution groove is vertical diaphragm electrolytic cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510530074.0A CN105084631B (en) | 2015-08-26 | 2015-08-26 | A kind of handling process of resin regeneration waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510530074.0A CN105084631B (en) | 2015-08-26 | 2015-08-26 | A kind of handling process of resin regeneration waste water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105084631A CN105084631A (en) | 2015-11-25 |
| CN105084631B true CN105084631B (en) | 2017-09-26 |
Family
ID=54566082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510530074.0A Active CN105084631B (en) | 2015-08-26 | 2015-08-26 | A kind of handling process of resin regeneration waste water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105084631B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526468B (en) * | 2019-09-06 | 2022-01-21 | 南京水滴环境工程有限公司 | Industrial wastewater treatment system based on high-salinity wastewater and treatment method thereof |
| CN111620502A (en) * | 2020-05-20 | 2020-09-04 | 苏州苏科环保科技有限公司 | Method and device for recycling soda water produced by nanofiltration of printing and dyeing wastewater |
| CN113860613B (en) * | 2021-10-12 | 2023-09-26 | 山东驰盛新能源设备有限公司 | High-salt wastewater thermal vibration cyclone salt extraction system |
| CN114262111A (en) * | 2021-12-27 | 2022-04-01 | 北京华源泰盟节能设备有限公司 | Softened sewage treatment system of heat exchange station |
| CN114804436A (en) * | 2022-05-16 | 2022-07-29 | 宁夏华吉生物有限公司 | Method for treating wastewater generated in process of producing cytidine by fermentation method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837067A (en) * | 2005-03-25 | 2006-09-27 | 崔绍静 | Research for comprehensive utilization of seawater and brine comprising sea water desalination and soda preparation by saturated Brine |
| US20140217022A1 (en) * | 2013-02-01 | 2014-08-07 | Masdar Institute Of Science And Technology | Novel in-situ membrane cleaning using periodic electrolysis |
| CN103755082B (en) * | 2014-01-21 | 2015-07-01 | 西安西热水务环保有限公司 | System and method for resource recovery of regenerated wastewater of ion exchange resin |
| CN104355473B (en) * | 2014-10-28 | 2016-10-05 | 中国科学院过程工程研究所 | A kind of method using electrodialytic technique to carry out power plant desulfurization waste water desalination zero discharge treatment |
-
2015
- 2015-08-26 CN CN201510530074.0A patent/CN105084631B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105084631A (en) | 2015-11-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105084631B (en) | A kind of handling process of resin regeneration waste water | |
| CN104591459B (en) | A kind of sodium saponification waste-water soda acid recycling treatment process | |
| AU2007261790A1 (en) | Method and integral system for treating water for cooling towers and processess requiring removal of silica from the water | |
| CN103723799A (en) | Electrodialyzer and near-zero-release industrial wastewater recycling technique | |
| CN104176857B (en) | The treatment process of Mn-bearing waste water in wet method electrolysis manganese production process | |
| CN111268771A (en) | Electrochemical method for dechlorinating and removing heavy metals from incineration fly ash water washing liquid | |
| CN108439669A (en) | Silica minimizing technology in a kind of water | |
| CN102452751A (en) | Method of deep desalting and recycling of industrial effluent | |
| CN105439341A (en) | Salt-containing wastewater treatment system and treatment method | |
| CN110451707A (en) | A kind of waste water of mine Zero discharge treatment method | |
| CN107698108A (en) | A kind of hydrazine hydrate utilization of wastewater resource device and its technique | |
| CN104909494A (en) | Process for impurity removal and purification of industrial high-concentration brine and special equipment of process | |
| CN113200615A (en) | Method and system for electrochemically reducing hardness of wastewater | |
| CN105502765A (en) | System and method for treating desulfurization waste water and recycling resources | |
| CN112624446A (en) | Organic wastewater zero-discharge treatment process | |
| CN111675394A (en) | High-salt industrial wastewater resource recovery treatment system and method | |
| CN111072112A (en) | Wastewater treatment method and system for zero discharge of desulfurization wastewater | |
| CN205442916U (en) | Contain salt effluent disposal system | |
| CN111170516A (en) | Treatment process and treatment system for desulfurization wastewater | |
| CN214115202U (en) | Coal chemical industry waste salt resource utilization pretreatment systems | |
| CN211644723U (en) | Wastewater treatment system with zero discharge of desulfurization wastewater | |
| CN104909505B (en) | Treatment system applied to industrial desalination | |
| CN114516689A (en) | Calcium carbide method polyvinyl chloride mercury-containing wastewater treatment and recycling method and application device thereof | |
| CN210122533U (en) | Processing system who contains salt waste water | |
| CN111908741A (en) | Zero-discharge and resource utilization process for reverse osmosis high-salinity wastewater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |