CN109160631A - A kind of system and technique of advanced treating fluoride ion waste water - Google Patents
A kind of system and technique of advanced treating fluoride ion waste water Download PDFInfo
- Publication number
- CN109160631A CN109160631A CN201811062680.4A CN201811062680A CN109160631A CN 109160631 A CN109160631 A CN 109160631A CN 201811062680 A CN201811062680 A CN 201811062680A CN 109160631 A CN109160631 A CN 109160631A
- Authority
- CN
- China
- Prior art keywords
- unit
- waste water
- resin
- zirconates
- zirconium
- 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.)
- Withdrawn
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 130
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000011347 resin Substances 0.000 claims abstract description 71
- 229920005989 resin Polymers 0.000 claims abstract description 71
- 238000005189 flocculation Methods 0.000 claims abstract description 23
- 230000016615 flocculation Effects 0.000 claims abstract description 23
- 230000015271 coagulation Effects 0.000 claims abstract description 22
- 238000005345 coagulation Methods 0.000 claims abstract description 22
- 238000001556 precipitation Methods 0.000 claims abstract description 20
- 239000000243 solution Substances 0.000 claims description 15
- IVORCBKUUYGUOL-UHFFFAOYSA-N 1-ethynyl-2,4-dimethoxybenzene Chemical compound COC1=CC=C(C#C)C(OC)=C1 IVORCBKUUYGUOL-UHFFFAOYSA-N 0.000 claims description 12
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 12
- 238000003795 desorption Methods 0.000 claims description 12
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 10
- 159000000007 calcium salts Chemical class 0.000 claims description 10
- 239000000701 coagulant Substances 0.000 claims description 10
- 229910052731 fluorine Inorganic materials 0.000 claims description 10
- 239000011737 fluorine Substances 0.000 claims description 10
- 150000003754 zirconium Chemical class 0.000 claims description 10
- 229910052726 zirconium Inorganic materials 0.000 claims description 10
- 230000001112 coagulating effect Effects 0.000 claims description 9
- 230000001172 regenerating effect Effects 0.000 claims description 8
- 239000012266 salt solution Substances 0.000 claims description 8
- 238000005660 chlorination reaction Methods 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 5
- 239000011575 calcium Substances 0.000 claims description 5
- 229910052791 calcium Inorganic materials 0.000 claims description 5
- HAIMOVORXAUUQK-UHFFFAOYSA-J zirconium(iv) hydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Zr+4] HAIMOVORXAUUQK-UHFFFAOYSA-J 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 230000001376 precipitating effect Effects 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- 230000008929 regeneration Effects 0.000 claims 1
- 238000011069 regeneration method Methods 0.000 claims 1
- 238000002791 soaking Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 239000003034 coal gas Substances 0.000 abstract description 4
- 230000001351 cycling effect Effects 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract description 4
- 238000001179 sorption measurement Methods 0.000 description 9
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 8
- 230000003750 conditioning effect Effects 0.000 description 7
- 238000004062 sedimentation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009615 deamination Effects 0.000 description 2
- 238000006481 deamination reaction Methods 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- -1 which adjusts unit Substances 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- 208000020084 Bone disease Diseases 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001669 calcium Chemical class 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000004042 dental fluorosis Diseases 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- RECVMTHOQWMYFX-UHFFFAOYSA-N oxygen(1+) dihydride Chemical compound [OH2+] RECVMTHOQWMYFX-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004148 unit process Methods 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- 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
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/583—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing fluoride or fluorine compounds
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
Abstract
Present invention discloses the systems and technique of a kind of advanced treating fluoride ion waste water, belong to technical field of waste water processing.System includes being sequentially connected logical waste water to adjust unit, at least a physicochemical treatment unit, pH adjusting unit and zirconates resin unit, physicochemical treatment unit includes being sequentially connected logical coagulation unit, flocculation unit and precipitation unit, and coagulation unit adjusts unit with waste water and is connected, precipitation unit adjusts unit with pH and is connected.The present invention first passes through the fluorine ion of physicochemical treatment unit removal Coal Gas Washing Cycling Water, then the fluorine ion of low concentration in waste water is adsorbed by zirconates resin unit, and then reduce the content of fluorinion in waste water.
Description
Technical field
The present invention relates to technical field of waste water processing, a kind of system more particularly, to advanced treating fluoride ion waste water and
Technique.
Background technique
Fluorine is one of microelement important in human body, is had when fluorinated volume is in 0.4~0.6mg/L in drinking water to human body
Benefit is harmless, but causes harm to the human body when reference content is greater than the reference water of 1.5mg/L for a long time, such as causes den tal fluorosis or fluorine bone
Disease etc..
With the continuous development of industry, the discharge amount of fluoride waste greatly increases.Fluoride waste usually passes through before discharging
Some simple materializing strategies, however still contain a large amount of fluorine ion in the waste water after materializing strategy, these waste water are arranged
It runs out, very big threat is caused to human health.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of system of advanced treating fluoride ion waste water is provided
And technique.
To achieve the above object, the following technical solutions are proposed: a kind of system of advanced treating fluoride ion waste water by the present invention,
It is adjusted at the materialization of unit, at least one for removing fluorinion in waste water including being sequentially connected the logical waste water for adjusting waste water
Reason unit, the pH for adjusting pH value of waste water after materialization processing unit processes adjust unit and for adsorbing fluorinion in waste water
Zirconates resin unit, the physicochemical treatment unit include be sequentially connected it is logical for waste water is adjusted the waste water after cell processing into
Row removes the coagulation unit of Natural zeolite and coagulating treatment, the flocculation for carrying out flocculation treatment to the waste water after coagulation cell processing
Unit and precipitation unit for carrying out precipitation process to flocculation unit treated waste water, and the coagulation unit and described useless
Water adjusts unit and is connected, and the precipitation unit adjusts unit with the pH and is connected.
Preferably, the zirconates resin unit includes the zirconates resin container and use for storing the resin after zirconates impregnates
In the resin regenerating unit for carrying out desorption processing to the resin in the zirconates resin container, the resin regenerating unit and the zirconium
Salt resin tank is connected.
Preferably, the resin regenerating unit includes the zirconium hydroxide salt box for storing zirconium hydroxide solution, the hydrogen
Zirconium oxide salt box is connected with the zirconates resin container.
It preferably, further include ammonia nitrogen removal unit, the ammonia nitrogen removal unit includes for carrying out ammonia nitrogen removal processing to waste water
Break point chlorination oxidation pond, the break point chlorination oxidation pond are connected with the coagulation unit.
Preferably, it is sequentially connected logical physicochemical treatment unit including two, and is located in the physicochemical treatment unit of upstream
Precipitation unit is connected with the coagulation unit in the physicochemical treatment unit for being located at downstream.
Present invention further teaches a kind of, and the system depth based on claim 1 handles the technique of fluoride ion waste water, technique
Include the following steps:
S100 collects waste water, and adjusts unit by the waste water and waste water is adjusted；
S200 removes fluorinion in waste water by physicochemical treatment unit through step S100 treated waste water；
S300, passes through pH through step S200 treated waste water and adjusts unit and adjust pH value to 6~9；
S400 adsorbs by zirconates resin unit the fluorine ion in waste water through step S300 treated waste water.Preferably,
In step s 200, fluorinion in waste water is removed as follows:
S201, coagulation unit by into waste water be added calcium salt generate calcirm-fluoride, and the mass ratio of calcium and fluorine be 1.1~
1.4, meanwhile, the coagulant of 150~280mg/L is added also into waste water；
S202, flocculation unit are wadded a quilt with cotton by adding the flocculant of 4~8mg/L in through step S201 treated waste water
Solidifying processing；
S203, precipitation unit carry out precipitation process to through step S202 treated waste water.
Preferably, in step S400, zirconates resin unit passes through the fluorine ion in zirconates resin adsorption waste water, the zirconium
Salt resin is made by the way that resin to be immersed in the zirconium salt solution that zirconium concentration is 0.5mol/L.
It preferably, further include that the zirconates resin is immersed in the hydroxide that zirconium concentration is 0.5mol/L in step S400
Carry out desorption processing within 20 minutes in zirconium solution.
Preferably, the pH value of the zirconium salt solution is 4.0, and the pH value of the zirconium hydroxide solution is 12.0.
The beneficial effects of the present invention are:
The system and technique of advanced treating fluoride ion waste water of the present invention, remove waste water by materializing strategy first
The fluorine ion of middle and high concentration, then by the fluorine ion of low concentration in zirconates resin adsorption waste water, it can containing fluorinion in waste water
Amount is reduced to 3mg/L；Zirconates resin has the advantages that adsorption capacity big, long service life, reproducible, further decreases at waste water
Manage cost.
Detailed description of the invention
Fig. 1 is system structure diagram schematic diagram of the invention；
Fig. 2 is zirconium concentration of the invention to influence diagram；
Fig. 3 is the influence diagram of pH value of the invention to desorption rate；
Fig. 4 is the method for the present invention flow chart schematic diagram.
Specific embodiment
Below in conjunction with attached drawing of the invention, clear, complete description is carried out to the technical solution of the embodiment of the present invention.
The system and technique of a kind of disclosed advanced treating fluoride ion waste water carry out materialization to waste water first
The fluorine ion of processing removal Coal Gas Washing Cycling Water, obtains the waste water of the ion containing low dose fluoride；Again by zirconates resin to containing low dense
The waste water for spending fluorine ion carries out adsorption treatment, and then reduces fluorinion in waste water content, finally fluorine ion can be reduced to 3mg/
L。
As shown in Figure 1, a kind of system of disclosed advanced treating fluoride ion waste water, including pass sequentially through pipe
The waste water that road is connected adjusts unit, at least a physicochemical treatment unit, pH and adjusts unit and zirconates resin unit, wherein waste water
It adjusts unit to be used to adjust waste water, such as regulating water quality, water；Physicochemical treatment unit is used to remove the fluorine of Coal Gas Washing Cycling Water
Ion；PH adjusts unit for adjusting the pH value through physicochemical treatment unit processed waste water；Zirconates resin unit is for adsorbing warp
Fluorine ion after pH adjusting cell processing in waste water.
Further, physicochemical treatment unit includes coagulation unit, flocculation unit and the precipitating for passing sequentially through pipeline and being connected
Unit, and coagulation unit also adjusts unit with waste water and is connected, and precipitation unit adjusts unit with pH and is connected.Wherein, coagulation
Unit is used to adjust waste water the waste water after cell processing and is removed fluorine ion and coagulating treatment, can be by useless when implementation
Calcium salt and coagulant are added in water, fluorine ion and coagulating treatment are removed to waste water, calcium salt and fluorine ion generate chemical reaction life
At calcirm-fluoride, coagulant can accelerate calcirm-fluoride coacervating large particle；Flocculation unit be used for the waste water after coagulation cell processing into
Row flocculation treatment when implementation, can make the fluorine in waste water to flocculation treatment, flocculant is carried out by the way that flocculant is added into waste water
Change calcium particle and waste water quick separating；Precipitation unit is used to carry out precipitation process to flocculation unit treated waste water, makes to be fluorinated
Calcium precipitate.
When implementation, the quantity of physicochemical treatment unit can be configured according to actual needs, such as work as fluorinion in waste water concentration
When higher, settable two physicochemical treatment units remove the fluorine ion in waste water, and are located in the physicochemical treatment unit of upstream
Precipitation unit be located at downstream physicochemical treatment unit in coagulation unit be connected.By the way that two-stage materializing strategy list is arranged
Member greatly reduces the content of fluorinion in waste water.
As shown in Figure 1, it includes conditioning tank that waste water, which adjusts unit, water quality, water etc. are carried out to waste water by conditioning tank and adjusted；
Coagulation unit includes coagulating basin, can be by the way that calcium salt and coagulant are manually added into coagulating basin, it is of course also possible to logical when implementation
It crosses and corresponding chemicals dosing plant is set calcium salt and coagulant are added into coagulating basin, wherein in calcium salt preferably calcium hydroxide, calcium chloride
One or two；Flocculation unit includes flocculation basin, when implementation, can by the way that flocculant is manually added into flocculation basin, certainly,
Flocculant can be added into flocculation basin by the way that corresponding chemicals dosing plant is arranged；Precipitation unit includes sedimentation basin, and sedimentation basin is preferred
Inclined-plate clarifying basin；It includes pH conditioning tank that pH, which adjusts unit, when implementation, passes through and adds sulfuric acid (H into pH conditioning tank2SO4) by waste water
PH value be adjusted to 6~9 range.
Further, zirconates resin unit includes the zirconates resin container and resin regenerating unit being connected, wherein zirconates tree
Rouge tank is for store the resin after zirconates impregnates, and when implementation, the zirconium salt solution immersion that zirconium concentration is 0.5mol/L can be used
Resin, and the pH value of zirconium salt solution is preferably 4, as shown in Fig. 2, preparing shadow of the zirconium to resin adsorption of various concentration when resin
It rings, as seen from the figure, the adsorption rate highest of resin when 0.5mol/L.
Resin of the resin regenerating unit in zirconates resin container carries out desorption processing, allows to re-use again.Tool
Body, resin regenerating unit includes the zirconium hydroxide salt box for storing zirconium hydroxide solution, it is connected with zirconates resin container,
When implementation, zirconium hydroxide solution can be added into zirconates resin container by elevator pump, impregnate resin in zirconium hydroxide solution
Preset time, when implementation, zirconium concentration is 0.5mol/L in zirconium hydroxide solution, and the pH value of zirconium hydroxide solution is preferred
It is 12, resin, which is immersed in 20 minutes in zirconium hydroxide solution, can make the desorption rate of resin reach 95%, as shown in figure 3, different
Influence of the pH value to resin desorption rate, it follows that the desorption rate highest when pH value is 12.
As shown in Figure 1, system further includes deamination unit, break point chlorination oxidation technology is used to carry out at ammonia nitrogen removal waste water
Reason.Specifically, deamination unit includes break point chlorination oxidation pond, is connected with coagulation unit；System further includes for storing pH
The intermediate effluent storage unit of waste water after adjusting cell processing, is set to zirconates resin unit and pH is adjusted between unit, with two
Person is connected, and when implementation, intermediate effluent storage unit includes intermediate water tank.
Waste water is produced with nano material, and system is using for two-stage physicochemical treatment unit, to depth of the present invention
The system of degree processing fluoride ion waste water is described in detail, wherein it is 3m that nano material, which produces waste water water,3/ h, water quality
Feature are as follows: pH 2, TP=420mg/L, F-=4800mg/L, NH3- N=104mg/L, SS=39mg/L, wherein TP indicates total
Phosphorus, F-Indicate fluorine ion, NH3- N indicates that ammonia nitrogen, SS indicate solid suspension.
Waste water is adjusted through conditioning tank, and the waste water after adjusting enters break point chlorination oxidation pond and carries out ammonia nitrogen removal processing, takes off
Waste water after ammonia nitrogen enters in level-one physicochemical treatment unit；By the way that calcium is added into coagulating basin in level-one physicochemical treatment unit
Salt, wherein the mass ratio of calcium and fluorine is 1.1~1.4, and 4~8mg/L is added into flocculation basin for the coagulant of 150~280mg/L
Flocculant can remove in waste water 92% or so fluorine ion and TP and after sedimentation basin precipitates, sedimentation basin water outlet enters two
In grade physicochemical treatment unit；Second level materializing strategy is equally by the way that calcium salt and coagulant are added into coagulating basin, adds into flocculation basin
Enter flocculant and after sedimentation basin precipitates, further remove in waste water 87% or so fluorine ion and TP, sedimentation basin be discharged into
Enter pH conditioning tank；It after pH conditioning tank carries out pH adjusting to waste water, and is input in zirconates resin container by elevator pump, through zirconates resin
After adsorption treatment, fluorinion in waste water can be reduced to 2.5mg/L, greatly reduce the content of fluorinion in waste water.
As shown in figure 4, technique includes following step present invention further teaches a kind of technique of advanced treating fluoride ion waste water
It is rapid:
S100 collects waste water, and adjusts unit by the waste water and waste water is adjusted；
S200 passes through physicochemical treatment unit through step S100 treated waste water and removes Coal Gas Washing Cycling Water fluorine ion；
S300, passes through pH through step S200 treated waste water and adjusts unit and adjust pH value to 6~9；
S400 adsorbs by zirconates resin unit the fluorine ion in waste water through step S300 treated waste water.
Specifically, waste water adjusts unit can carry out the adjusting such as water quality, water to waste water, and the waste water after adjusting enters at materialization
Reason unit progress goes Natural zeolite to handle for the first time, when implementation, physicochemical treatment unit remove as follows the fluorine in waste water from
Son:
By the way that calcium salt and coagulant, calcium salt and fluorinion in waste water are added into waste water chemical reaction life occurs for coagulation unit
At calcirm-fluoride, coagulant makes calcirm-fluoride be condensed into big particle；
Flocculation unit makes the calcium fluoride particles in waste water by the way that flocculant is added into the waste water after coagulation cell processing
With waste water quick separating；
Precipitation unit carries out precipitation process to through flocculation unit treated waste water, can remove in waste water most of fluorine from
Son.
Further, zirconates resin unit uses the fluorine ion in zirconates resin adsorption waste water, wherein zirconates resin passes through
As prepared by under type: impregnating resin using the zirconium salt solution that zirconium concentration is 0.5mol/L, and the pH value of zirconium salt solution is preferably
4.After zirconates resin adsorption a large amount of fluorine ions, can allow to recycle by carrying out desorption processing to it, reduce at
This, wherein desorption processing can be carried out to zirconates resin in the following way: resin being made to be immersed in the hydrogen of zirconium concentration 0.5mol/L
In zirconia solution, and the pH value of zirconium hydroxide solution is preferably 12, and resin is immersed in zirconium hydroxide solution 20 minutes i.e.
The desorption rate of resin can be made to reach 95%.
Technology contents and technical characteristic of the invention have revealed that as above, however those skilled in the art still may base
Make various replacements and modification without departing substantially from spirit of that invention, therefore, the scope of the present invention in teachings of the present invention and announcement
It should be not limited to the revealed content of embodiment, and should include various without departing substantially from replacement and modification of the invention, and be this patent Shen
Please claim covered.
Claims (10)
1. a kind of system of advanced treating fluoride ion waste water, which is characterized in that logical for adjusting waste water including being sequentially connected
Waste water adjust unit, at least one for removing the physicochemical treatment unit of fluorinion in waste water, for adjusting physicochemical treatment unit
The pH of processed waste water pH value adjusts unit and the zirconates resin unit for adsorbing fluorinion in waste water, the materializing strategy list
Member includes being sequentially connected logical to be removed the mixed of fluorine ion and coagulating treatment for adjusting waste water the waste water after cell processing
It coagulates unit, the flocculation unit for carrying out flocculation treatment to the waste water after coagulation cell processing and is used for after flocculation unit processing
Waste water carry out the precipitation unit of precipitation process, and the coagulation unit and the waste water adjusting unit are connected, the precipitating
Unit adjusts unit with the pH and is connected.
2. system according to claim 1, which is characterized in that the zirconates resin unit includes soaking for storing through zirconates
The zirconates resin container of resin after bubble and for the resin in the zirconates resin container carry out desorption processing resin regeneration list
Member, the resin regenerating unit are connected with the zirconates resin container.
3. system according to claim 2, which is characterized in that the resin regenerating unit includes for storing zirconium hydroxide
The zirconium hydroxide salt box of solution, the zirconium hydroxide salt box are connected with the zirconates resin container.
4. system according to claim 1, which is characterized in that further include ammonia nitrogen removal unit, the ammonia nitrogen removal unit includes
For carrying out the break point chlorination oxidation pond of ammonia nitrogen removal processing to waste water, the break point chlorination oxidation pond is connected with the coagulation unit
It is logical.
5. system according to claim 1, which is characterized in that logical physicochemical treatment unit is sequentially connected including two, and
Precipitation unit in the physicochemical treatment unit of upstream is connected with the coagulation unit in the physicochemical treatment unit for being located at downstream.
6. a kind of technique of the system depth processing fluoride ion waste water based on claim 1, which is characterized in that technique includes such as
Lower step:
S100 collects waste water, and adjusts unit by the waste water and waste water is adjusted；
S200 removes fluorinion in waste water by physicochemical treatment unit through step S100 treated waste water；
S300, passes through pH through step S200 treated waste water and adjusts unit and adjust pH value to 6~9；
S400 adsorbs by zirconates resin unit the fluorine ion in waste water through step S300 treated waste water.
7. technique according to claim 6, which is characterized in that in step s 200, remove in waste water as follows
Fluorine ion:
S201, coagulation unit generates calcirm-fluoride by the way that calcium salt is added into waste water, and the mass ratio of calcium and fluorine is 1.1~1.4,
Meanwhile the coagulant of 150~280mg/L being added also into waste water；
S202, flocculation unit are carried out at flocculation by adding the flocculant of 4~8mg/L in through step S201 treated waste water
Reason；
S203, precipitation unit carry out precipitation process to through step S202 treated waste water.
8. technique according to claim 6, which is characterized in that in step S400, zirconates resin unit passes through zirconates tree
Rouge adsorbs the fluorine ion in waste water, and the zirconates resin is by the way that resin to be immersed in the zirconium salt solution that zirconium concentration is 0.5mol/L
It is made.
9. technique according to claim 8, which is characterized in that further include impregnating the zirconates resin in step S400
Desorption processing is carried out within 20 minutes in the zirconium hydroxide solution that zirconium concentration is 0.5mol/L.
10. technique according to claim 9, which is characterized in that the pH value of the zirconium salt solution is 4.0, the hydroxide
The pH value of zirconium solution is 12.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811062680.4A CN109160631A (en) | 2018-09-12 | 2018-09-12 | A kind of system and technique of advanced treating fluoride ion waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811062680.4A CN109160631A (en) | 2018-09-12 | 2018-09-12 | A kind of system and technique of advanced treating fluoride ion waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109160631A true CN109160631A (en) | 2019-01-08 |
Family
ID=64894821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811062680.4A Withdrawn CN109160631A (en) | 2018-09-12 | 2018-09-12 | A kind of system and technique of advanced treating fluoride ion waste water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109160631A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4808316A (en) * | 1986-02-18 | 1989-02-28 | Unitika Ltd. | Process for treating waste water containing uranium and fluorine |
| JPH06304573A (en) * | 1993-04-26 | 1994-11-01 | Miyoshi Oil & Fat Co Ltd | Treatment of fluorine and arsenic containing waste water |
| CN201648189U (en) * | 2010-03-07 | 2010-11-24 | 上海东硕环保科技有限公司 | Separating and combining device for regenerating and reclaiming film of electronic industrial wastewater |
| CN102001766A (en) * | 2010-10-29 | 2011-04-06 | 湖州欣格膜科技有限公司 | Defluorinating method of photovoltaic wastewater |
| CN105967294A (en) * | 2016-06-29 | 2016-09-28 | 江苏奥尼斯环保科技有限公司 | Defluorination flocculation reaction method for fluorine-containing wastewater |
| CN206872563U (en) * | 2017-05-16 | 2018-01-12 | 深圳市瑞秋卡森环保科技有限公司 | Fluorine-contained wastewater treatment system |
| CN108128935A (en) * | 2018-01-23 | 2018-06-08 | 山西绿洁环保有限公司 | A kind of method and apparatus of FLUORIDE REMOVAL IN WASTEWATER |
-
2018
- 2018-09-12 CN CN201811062680.4A patent/CN109160631A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4808316A (en) * | 1986-02-18 | 1989-02-28 | Unitika Ltd. | Process for treating waste water containing uranium and fluorine |
| JPH06304573A (en) * | 1993-04-26 | 1994-11-01 | Miyoshi Oil & Fat Co Ltd | Treatment of fluorine and arsenic containing waste water |
| CN201648189U (en) * | 2010-03-07 | 2010-11-24 | 上海东硕环保科技有限公司 | Separating and combining device for regenerating and reclaiming film of electronic industrial wastewater |
| CN102001766A (en) * | 2010-10-29 | 2011-04-06 | 湖州欣格膜科技有限公司 | Defluorinating method of photovoltaic wastewater |
| CN105967294A (en) * | 2016-06-29 | 2016-09-28 | 江苏奥尼斯环保科技有限公司 | Defluorination flocculation reaction method for fluorine-containing wastewater |
| CN206872563U (en) * | 2017-05-16 | 2018-01-12 | 深圳市瑞秋卡森环保科技有限公司 | Fluorine-contained wastewater treatment system |
| CN108128935A (en) * | 2018-01-23 | 2018-06-08 | 山西绿洁环保有限公司 | A kind of method and apparatus of FLUORIDE REMOVAL IN WASTEWATER |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105384316B (en) | A kind of processing method of the fluorine-containing nitrogen-containing wastewater of electronics industry | |
| CN110451704B (en) | Method for treating fluorine-containing reuse water | |
| CN106277419A (en) | The method and apparatus that a kind of ammonia nitrogen waste water processes | |
| CN101265001B (en) | Reclaiming treatment method for hydraulic loom waste water | |
| CN107698092A (en) | A kind of packaged type fluorine-containing wastewater treatment method and device | |
| CN103011347A (en) | Method for carrying out electrolytic treatment on copper-containing electroplating wastewater and recycling copper | |
| CN205133297U (en) | A device for handling fluoride waste | |
| CN109607868B (en) | Advanced treatment system and advanced treatment method for low-concentration fluorine-containing wastewater | |
| CN208995271U (en) | A kind of system of advanced treating fluoride ion waste water | |
| CN113003845B (en) | Zero-emission treatment process and system for sewage with high sulfate content and high COD (chemical oxygen demand) | |
| CN109160631A (en) | A kind of system and technique of advanced treating fluoride ion waste water | |
| CN106145446B (en) | A kind of more metal ore dressing complexity waste water immediate processing methods of lead zinc sulphur | |
| CN207567053U (en) | A kind of packaged type fluorine-containing waste water processing apparatus | |
| CN102642901A (en) | Three-level polyaluminium chloride coagulation treatment method for electro-polishing wastewater | |
| CN111115661A (en) | Nitric acid wastewater treatment system and method | |
| Bae et al. | Treatment of spent brine from a nitrate exchange process using combined biological denitrification and sulfate precipitation | |
| CN210559747U (en) | Industrial heavy metal sewage treatment system | |
| CN101514058A (en) | Method for removing trivalent arsenic ion and pentavalent arsenic ion in water and system thereof | |
| CN1278958C (en) | Method for removing ammonia nitrogen from reused sewage | |
| CN107531511B (en) | Method and apparatus for treating water by contact with adsorbent material | |
| CN211004930U (en) | Ultrapure water preparation system | |
| WO2011107524A1 (en) | Improvements in and relating to an effluent treatment assembly | |
| CN113003800A (en) | Wastewater quality-based treatment process | |
| CN218107691U (en) | Low concentrated fluoride waste's absorption regeneration processing system | |
| CN205170574U (en) | Processing apparatus who comes from waste water of meticulous chemical production device of fluorine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190108 |
|
| WW01 | Invention patent application withdrawn after publication |