CN105668934B - A kind of processing system of the electroplating wastewater containing antimony - Google Patents
A kind of processing system of the electroplating wastewater containing antimony Download PDFInfo
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- CN105668934B CN105668934B CN201610145401.5A CN201610145401A CN105668934B CN 105668934 B CN105668934 B CN 105668934B CN 201610145401 A CN201610145401 A CN 201610145401A CN 105668934 B CN105668934 B CN 105668934B
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- chitosan
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- antimony
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- sargassum thunbergii
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- 239000002351 wastewater Substances 0.000 title claims abstract description 49
- 229910052787 antimony Inorganic materials 0.000 title claims abstract description 29
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000009713 electroplating Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000001179 sorption measurement Methods 0.000 claims abstract description 30
- 238000004140 cleaning Methods 0.000 claims abstract description 29
- 238000010521 absorption reaction Methods 0.000 claims abstract description 25
- 241000593522 Sargassum thunbergii Species 0.000 claims abstract description 23
- 238000004062 sedimentation Methods 0.000 claims abstract description 23
- 229920001661 Chitosan Polymers 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims abstract description 15
- 229910001439 antimony ion Inorganic materials 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 239000010802 sludge Substances 0.000 claims abstract description 14
- 238000005273 aeration Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims abstract description 12
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 5
- 239000002699 waste material Substances 0.000 claims description 30
- 238000006555 catalytic reaction Methods 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000010842 industrial wastewater Substances 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 4
- 150000001408 amides Chemical class 0.000 claims description 3
- 239000006058 strengthened glass Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000000889 atomisation Methods 0.000 claims 1
- 230000008929 regeneration Effects 0.000 claims 1
- 238000011069 regeneration method Methods 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 abstract description 5
- 125000003368 amide group Chemical group 0.000 abstract description 2
- 239000012429 reaction media Substances 0.000 abstract 1
- -1 sump Chemical compound 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 5
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 238000009388 chemical precipitation Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- 241000581650 Ivesia Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- FAWGZAFXDJGWBB-UHFFFAOYSA-N antimony(3+) Chemical compound [Sb+3] FAWGZAFXDJGWBB-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 231100000405 induce cancer Toxicity 0.000 description 1
- 235000014413 iron hydroxide Nutrition 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- YADSGOSSYOOKMP-UHFFFAOYSA-N lead dioxide Inorganic materials O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- RECVMTHOQWMYFX-UHFFFAOYSA-N oxygen(1+) dihydride Chemical compound [OH2+] RECVMTHOQWMYFX-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910001924 platinum group oxide Inorganic materials 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003911 water pollution 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/66—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
-
- 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
- C02F2101/105—Phosphorus 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of processing system of electroplating wastewater containing antimony, including sump, coarse rack, primary sedimentation basin, pH value regulating reservoir, chitosan biological catalytic adsorption cleaning system, aeration tank, biological phosphate-eliminating pond, secondary sedimentation tank, water purifying tank.The rolling absorption brush that creative make use of of the system is attached with chitosan and sargassum thunbergii is selective exposure reaction medium, when the antimony ion in waste water fully contacts with rolling absorption brush, hydroxyl, carboxyl, amide groups on chitosan and sargassum thunbergii strand can selectivity complex reaction occurs with antimony ion, make the antimony in waste water by sargassum thunbergii efficient absorption, the sargassum thunbergii residue after adsorption reaction is brushed by fixed brush and is allowed to natural subsidence, sludge material is gradually formed, so that the antimony ion in waste water is removed.Meanwhile material used in the system --- chitosan is that cost is cheap with sargassum thunbergii, the material being readily available.
Description
Technical field
The present invention relates to a kind of processing system of electroplating wastewater containing antimony, the field of waste water treatment belonged in environmental protection.
Background technology
In recent years, antimony has a wide range of applications in non-ferrous metal industry, and the stibium-containing wastewater of factory's discharge is water body antimony pollution
Primary pollution source.For example the waste water antimony of the industry such as smelting, printing, ceramics, lead-acid battery, fire retardant, ore dressing, washup discharge contains
Amount is very high, and water pollution is particularly acute.In electroplating industry, sb oxide passes through basic unit's coating material frequently as Ti electrode
Material, with the progress of plating, antimony element can progressively intake in waste water.Substantial amounts of antimony enter it is internal, can to respiratory tract, alimentary canal,
Crawl, lung, liver produces stimulates and destroy, and can induce cancer, huge to human health damage.Therefore, stibium-containing wastewater is effective
Handle very urgent, develop the treatment research of the stibium-containing wastewater of high-efficiency and economic, there is great society, economy and Significance for Environment.
The currently used processing method for removing stibium-containing wastewater has chemical precipitation method, electrolysis, absorption method, ion exchange
Method.(1) chemical precipitation method is by first adding vulcanized sodium into stibium-containing wastewater, being precipitated out antimony, then add polyaluminum sulfate
Iron, iron sulfide and iron hydroxide are generated, the purpose for removing Antimony in Waste Water is reached using their cohesion and co-precipitation.Although
Many advantages, such as being simple and convenient to operate with technique, be economical and practical, but its precipitation slag is difficult to handle, and can cause secondary pollution.
(2) electrolysis is to use platinum group oxide or PbO2Make anode, to destroy cyanide, then by antimony ion pH=11 condition
Lower flocculation, precipitation, filtering are removed antimony, and this method energy consumption is big, therefore fail to obtain generally in the processing of stibium-containing wastewater
Using.(3) absorption method is to utilize porous solid material, antimony+absorption in waste water is removed in solid adsorbent surfaces
A kind of method.This method is applied widely to stibium-containing wastewater, will not cause secondary pollution, but absorption choosing of the adsorbent to antimony ion
Selecting property is not high.(4) although ion-exchange operating procedure is simple, is easy to regenerate, except antimony effect is good.But the method is inhaled by resin
Attached capacity limit, suitable for the low waste water of processing concentration containing antimony, and resin is easy to be poisoned, and processing cost is higher.
The content of the invention
, should the invention provides a kind of processing system of electroplating wastewater containing antimony to solve the deficiencies in the prior art
System includes sump, coarse rack, primary sedimentation basin, pH value regulating reservoir, chitosan-living things catalysis adsorption cleaning system, aeration
Pond, biological phosphate-eliminating pond, secondary sedimentation tank, water purifying tank etc.；Wherein, the industrial wastewater containing antimony enters sump by waste line,
Centralized collection and preliminarily stabilised regulation are carried out herein, and the outlet of sump connects coarse rack by waste line, removes work herein
Major diameter solid matter in industry waste water, the outlet of coarse rack connect primary sedimentation basin by waste line, further gone herein
Except the insoluble matter in waste water, the outlet of primary sedimentation basin connects pH value regulating reservoir by waste line, and waste water is in this progress
With handle and carry out the accurate adjustment of pH value, the pH value range of pH value regulating reservoir water outlet is 6.0 ~ 8.0, to meet chitosan-life
Thing catalytic adsorption cleaning system enters the requirement of water pH value, and the outlet of pH value regulating reservoir connects chitosan-biology by waste line
Catalytic adsorption cleaning system, the sludge material outward transport processing of chitosan-living things catalysis adsorption cleaning system discharge, meanwhile, shell gathers
The outlet of sugar-living things catalysis adsorption cleaning system connects aeration tank by waste line, herein by aerobic aeration process, makes to give up
Various phosphorus containg substances in water are converted into orthophosphates, and the outlet of aeration tank connects biological phosphate-eliminating pond by waste line, its
Effect is to be removed the orthophosphates decomposition and inversion in waste water by bioactivity course of reaction, and the outlet in biological phosphate-eliminating pond passes through
Waste line connecting secondary sedimentation basin, remaining insoluble matter in waste water is all removed at this, the outlet of secondary sedimentation tank leads to
Waste line connection water purifying tank is crossed, water purifying tank is exported outside the purification water outlet after the system is handled by waste line
Row；Wherein, the pond body of chitosan-living things catalysis adsorption cleaning system uses strengthened glass steel material, and pond body left side lower section is equipped with
Inlet valve and flexible mud pusher, right side top are equipped with flowing water Valve, and lower right-hand side is provided with sludge row's mouth, and pond body top is equipped with light
Steel bracket, 3 groups of totally 9 atomizers are fixed with thereon, pond body is fixedly arranged in the middle of 3 sets and rolls absorption brush, and often set rolls absorption brush
Left side is respectively provided with 1 fixed brush, is bonded with rolling absorption brush；Industrial wastewater after pH value regulation processing is gathered by shell
The inlet valve of lower section enters cleaning system on the left of sugar-living things catalysis adsorption cleaning system, and 3 sets in the middle part of pond body, which roll, to be inhaled
Attached brush starts to roll clockwise, and the chitosan and sargassum thunbergii adhered to thereon is fully contacted with the antimony ion in waste water, gathered by shell
Sugar with sargassum thunbergii strand on hydroxyl, carboxyl, acid amides based selective with antimony ion occur complex reaction, make the antimony in waste water
By sargassum thunbergii efficient absorption, the sargassum thunbergii residue after adsorption reaction is brushed by fixed brush afterwards and is allowed to natural subsidence to bottom of pond
Portion, gradually form sludge material, after promoted by flexible mud pusher, through sludge row's mouth discharge pond body, meanwhile, brush through fixed brush dry
Net rolling bristle continues to do more than clockwise movement to the water surface, sprays chitosan-sargassum thunbergii mixed liquor again by atomizer,
Rolling absorption brush is regenerated, enters again through clockwise movement path in water, starts new adsorption reaction process.
The pond body dischargeable capacity of its chitosan-living things catalysis adsorption cleaning system is 245m3, it rolls absorption brush brush length
3.5m, the long 10cm of bristle, the operating voltage of its motor is 380V, swing circle 180s.
In chitosan-sargassum thunbergii mixed liquor, the mass concentration of chitosan and sargassum thunbergii is respectively 60.0mg/L and 4.5g/L.
The advantage of the invention is that：
（1）The present invention has broken away from the inherent technology route of the existing electroplating wastewater processing containing antimony, and creative make use of mouse
Tail algae and selection characterization of adsorption of the chitosan to metal ion, especially antimony ion, by sargassum thunbergii and chitosan molecule chain
Hydroxyl, carboxyl, the antimony ion in amide groups and waste water efficient complex reaction occurs, can have been given play to for stibium-containing wastewater aobvious
Adsorption cleaning effect of work, its antimony ion removal efficiency is up to 99.5%.
（2）Compared with the method for existing processing stibium-containing wastewater, the most preferably applicable pH value range of the system is wider, only needs letter
Single enters water pH value regulating measure, so that it may which easily reach system enters the requirement of water pH value.
（3）Present invention utilizes both not only common but also cheap products of chitosan and sargassum thunbergii, operation is greatly reduced
In Material Cost, be highly suitable for coastal economy and promoted the use of with industrial comparatively developed regions.
（4）Present invention employs chitosan and sargassum thunbergii absorption Antimony in Waste Water ion means, without using it is any have poison
Material is learned, so as to eliminate the risk for introducing the pollutant new, harm is bigger.
Brief description of the drawings
Fig. 1 is the equipment schematic diagram of the present invention.
In figure：1- sumps, 2- coarse racks, 3- primary sedimentation basins, 4-pH values regulating reservoir, 5- chitosans-living things catalysis are inhaled
Attached cleaning system, 6- aeration tanks, 7- biological phosphate-eliminatings pond, 8- secondary sedimentation tanks, 9- water purifying tanks
Fig. 2 is the schematic diagram of chitosan-living things catalysis adsorption cleaning system.
51- glass reinforced plastics pond body, the light steel brackets of 52-, 53- atomizers, 54- roll absorption brush, 55- fixed brushes, 56-
Inlet valve, 57- flowing water Valves, 58- sludge row mouth, the flexible mud pushers of 59-.
Embodiment
The processing system of removal heavy metals in industrial wastewater as shown in Figure 1, the system include sump 1, coarse rack 2,
It is primary sedimentation basin 3, pH value regulating reservoir 4, chitosan-living things catalysis adsorption cleaning system 5, aeration tank 6, biological phosphate-eliminating pond 7, secondary
Sedimentation basin 8, water purifying tank 9 etc.；Wherein, the electroplating wastewater containing antimony enters sump 1 by waste line, carries out centralized collection herein
Adjusted with preliminarily stabilised, the outlet of sump 1 connects coarse rack 2 by waste line, is removed at this big straight in industrial wastewater
Footpath solid matter, the outlet of coarse rack 2 connect primary sedimentation basin 3 by waste line, in this further removes waste water not
Molten material, the outlet 3 of primary sedimentation basin connect pH value regulating reservoir 4 by waste line, and waste water carries out neutralisation treatment and gone forward side by side herein
The accurate adjustment of row pH value, the pH value range of the water outlet of pH value regulating reservoir 4 is 5.5 ~ 6.5, to meet that chitosan-living things catalysis is adsorbed
Cleaning system 5 enters the requirement of water pH value, and the outlet of pH value regulating reservoir 4 connects chitosan-living things catalysis by waste line and adsorbed
Cleaning system 5, the sludge material outward transport processing that chitosan-living things catalysis adsorption cleaning system 5 is discharged, meanwhile, chitosan-biology
The outlet of catalytic adsorption cleaning system 5 connects aeration tank 6 by waste line, herein by aerobic aeration process, makes in waste water
Various nitrogen substances be converted into nitrate nitrogen, the outlet of aeration tank 6 passes through waste line and connects biological phosphate-eliminating pond 7, and it is made
With being by bioactivity course of reaction, by the nitrate nitrogen decomposition and inversion in waste water, so as to remove nitrate nitrogen, biological phosphate-eliminating
The outlet in pond 7 is secondary at this by all removings of the remaining insoluble matter in waste water by waste line connecting secondary sedimentation basin 8
The outlet of sedimentation basin 8 connects water purifying tank 9 by waste line, and the outlet of water purifying tank 9 will be passed through at the system by waste line
Arranged outside purification water outlet after reason；Wherein, the pond body 51 of chitosan-living things catalysis adsorption cleaning system 5 uses strengthened glass steel
Matter, pond body dischargeable capacity are 225m3, pond body left side lower section is equipped with inlet valve 56 and flexible mud pusher 59, is equipped with above right side
Flowing water Valve 57, lower right-hand side are provided with sludge row's mouth 58, and pond body top is equipped with light steel bracket 52, is fixed with 3 groups of totally 9 mists thereon
Change shower nozzle 53, pond body is fixedly arranged in the middle of 3 sets and rolls absorption brush 54, brushes long 4.5m, the long 10cm of bristle, the work electricity of its motor
Press and 1 fixed brush 55 is installed, brush is adsorbed with rolling for 380V, swing circle 260s, the left side of often set rolling absorption brush 54
54 fittings；After pH value regulation processing（PH value is 5.5 ~ 6.5 after processing）Waste water adsorbed by chitosan-living things catalysis it is net
The inlet valve 56 of the left side of change system 5 lower section enters cleaning system, and 3 sets in the middle part of pond body roll absorption brush 54 and start up time
Pin rolls, and the chitosan and sargassum thunbergii adhered to thereon fully contacts with the antimony ion in waste water, passes through chitosan and sargassum thunbergii point
The complex reaction occurred with antimony ion of hydroxyl, carboxyl, acid amides based selective in subchain, makes the antimony in waste water by sargassum thunbergii height
Effect absorption, the sargassum thunbergii residue after adsorption reaction is brushed by fixed brush 55 afterwards and is allowed to natural subsidence to bottom of pond portion, gradually
Form sludge material, after promoted by flexible mud pusher 59, discharge pond body through sludge row's mouth 58, meanwhile, brush through fixed brush 55 dry
Net rolling bristle continues to do more than clockwise movement to the water surface, sprays chitosan-sargassum thunbergii mixing again by atomizer 53
Liquid, rolling absorption brush 54 is regenerated, enters again through clockwise movement path in water, starts new adsorption reaction process；
The effect of wherein pH value regulating reservoir 4 is will to be adjusted by the pH value of waste water of primary sedimentation to 5.5 ~ 6.5, to meet chitosan-life
Thing catalytic adsorption cleaning system 5 enters the requirement of water pH value；Wherein, in chitosan-sargassum thunbergii mixed liquor, chitosan and sargassum thunbergii
Mass concentration is respectively 85.0mg/L and 5.5g/L.
Electroplating wastewater containing antimony after being handled by the system, its antimony removal efficiency is up to 99.2%.
Claims (3)
1. the processing system of a kind of electroplating wastewater containing antimony, it is characterised in that the system includes sump, coarse rack, primary sedimentation
Pond, pH value regulating reservoir, chitosan-living things catalysis adsorption cleaning system, aeration tank, biological phosphate-eliminating pond, secondary sedimentation tank, water purification
Pond；Wherein, electroplating wastewater containing antimony enters sump by waste line, and the outlet of sump connects thick lattice by waste line
Grid, the outlet of coarse rack connect primary sedimentation basin by waste line, and the outlet of primary sedimentation basin connects pH by waste line
It is worth regulating reservoir, the outlet of pH value regulating reservoir connects chitosan-living things catalysis adsorption cleaning system by waste line, chitosan-
The sludge material outward transport processing of living things catalysis adsorption cleaning system discharge, meanwhile, chitosan-living things catalysis adsorption cleaning system
Outlet connects aeration tank by waste line, and the outlet of aeration tank connects biological phosphate-eliminating pond, biological phosphate-eliminating pond by waste line
Outlet by waste line connecting secondary sedimentation basin, the outlet of secondary sedimentation tank passes through waste line and connects water purifying tank, water purification
The outlet in pond will be arranged by waste line outside purification water outlet after treatment；Wherein, chitosan-living things catalysis adsorption cleaning system
The pond body of system uses strengthened glass steel material, and pond body left side lower section is equipped with inlet valve and flexible mud pusher, is equipped with above right side
Flowing water Valve, lower right-hand side are provided with sludge row's mouth, and pond body top is equipped with light steel bracket, are fixed with 3 groups of totally 9 atomization sprays thereon
Head, pond body are fixedly arranged in the middle of 3 sets and roll absorption brush, and often set rolls absorption brush left side and is provided with 1 fixed brush, is adsorbed with rolling
Brush fitting；The industrial wastewater that pH value is 6.0 ~ 8.0 after pH value regulation processing passes through chitosan-living things catalysis adsorption cleaning system
The inlet valve of system left side lower section enters cleaning system, and 3 sets in the middle part of pond body roll absorption brush and start to roll clockwise, its
The chitosan and sargassum thunbergii of upper attachment fully contact with the antimony ion in waste water, pass through the hydroxyl on chitosan and sargassum thunbergii strand
The complex reaction occurred with antimony ion of base, carboxyl, acid amides based selective, make antimony in waste water by sargassum thunbergii efficient absorption, it
The sargassum thunbergii residue after adsorption reaction is brushed by fixed brush afterwards and is allowed to natural subsidence to bottom of pond portion, gradually forms sludge thing
Matter, after promoted by flexible mud pusher, through sludge row's mouth discharge pond body；Meanwhile brush clean rolling bristle through fixed brush and continue
Do more than clockwise movement to the water surface, spray chitosan-sargassum thunbergii mixed liquor again by atomizer, rolling is adsorbed brush
Regeneration, enter again through clockwise movement path in water, start new adsorption reaction process.
2. the processing system of the electroplating wastewater according to claim 1 containing antimony, it is characterised in that chitosan-living things catalysis is inhaled
The pond body dischargeable capacity of attached cleaning system is 245m3, it rolls absorption and brushes long 3.5m, the long 10cm of bristle.
3. the processing system of the electroplating wastewater according to claim 1 containing antimony, it is characterised in that chitosan-sargassum thunbergii mixing
In liquid, the mass concentration of chitosan and sargassum thunbergii is respectively 60.0mg/L and 4.5g/L.
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