CN103253753A - Recycling method of iron-containing resin desorption waste liquid - Google Patents
Recycling method of iron-containing resin desorption waste liquid Download PDFInfo
- Publication number
- CN103253753A CN103253753A CN2013102187728A CN201310218772A CN103253753A CN 103253753 A CN103253753 A CN 103253753A CN 2013102187728 A CN2013102187728 A CN 2013102187728A CN 201310218772 A CN201310218772 A CN 201310218772A CN 103253753 A CN103253753 A CN 103253753A
- Authority
- CN
- China
- Prior art keywords
- content
- iron
- waste liquid
- resin desorption
- phosphorus
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 221
- 239000002699 waste material Substances 0.000 title claims abstract description 118
- 239000007788 liquid Substances 0.000 title claims abstract description 115
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 113
- 239000011347 resin Substances 0.000 title claims abstract description 102
- 229920005989 resin Polymers 0.000 title claims abstract description 102
- 238000003795 desorption Methods 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 53
- 238000004064 recycling Methods 0.000 title abstract description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 80
- 239000011574 phosphorus Substances 0.000 claims abstract description 80
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000009713 electroplating Methods 0.000 claims abstract description 68
- 239000002351 wastewater Substances 0.000 claims abstract description 55
- 239000010949 copper Substances 0.000 claims abstract description 48
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 14
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 75
- 238000003756 stirring Methods 0.000 claims description 33
- 239000000706 filtrate Substances 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 17
- 238000010521 absorption reaction Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 15
- 238000004062 sedimentation Methods 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 8
- 238000004737 colorimetric analysis Methods 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 239000011733 molybdenum Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000001556 precipitation Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 abstract 1
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 abstract 1
- 229910001431 copper ion Inorganic materials 0.000 abstract 1
- 230000003311 flocculating effect Effects 0.000 abstract 1
- 229910001453 nickel ion Inorganic materials 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 8
- 238000004065 wastewater treatment Methods 0.000 description 7
- 238000005189 flocculation Methods 0.000 description 6
- 230000016615 flocculation Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 5
- 239000003957 anion exchange resin Substances 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- -1 iron ion Chemical class 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 3
- 150000002505 iron Chemical class 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009388 chemical precipitation Methods 0.000 description 2
- 229910001447 ferric ion Inorganic materials 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000006210 lotion Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000021110 pickles Nutrition 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Removal Of Specific Substances (AREA)
Abstract
The invention discloses a recycling method of iron-containing resin desorption waste liquid, and belongs to the technical field of the recycling treatment of the waste liquid. The recycling method is characterized in that the iron-containing resin desorption waste liquid produced in the recycling process of waste hydrochloric acid in an electroplating industry is used as a flocculant substitute product so as to remove phosphorus and heavy metals in the electroplating waste water through a flocculating and precipitation way, the concentration of the phosphorus in the discharged water is lower than 0.5mg/L, the content of heavy metal Cu<2+> (copper ions) is lower than 0.2mg/L, the content of the Ni<2+> (nickel ions) is lower than 0.5mg/L, and the removal efficiency can reach more than 99 percent. For the problems in the existing iron-containing resin desorption waste liquid treatment technology such as complicated flow, high treatment cost and resource waste, the invention provides the recycling method of the iron-containing resin desorption waste liquid. The standard emission of the phosphorus and heavy metals in the waste water can be realized while recycling the iron-containing resin desorption waste liquid. The method can be widely used for recycling the iron-containing resin desroption waste liquid in the electroplating industry and the deep treatment of the phosphorus-containing and heavy-metal-containing waste water.
Description
Technical field
The invention belongs to the effluent resource technical field, more particularly, relating to a kind of main component is the resource utilization method of the iron content resin desorption waste liquid of resin desorption liquid.
Background technology
The content height of phosphorus in the electroplating wastewater, and contain bio-toxicity material such as heavy metal, general two stage biological are handled, and difficulty reaches the advanced treatment requirement of electroplating pollutant emission standard (GB21900-2008) regulation.
Common phosphorus removing method all needs to purchase special iron trichloride reagent, and this has increased processing cost to enterprise.Industries such as plating, iron and steel for removing its surperficial iron rust, often need concentrated hydrochloric acid to wash because using iron casting to be raw material in a large number, have therefore produced a large amount of iron content pickling waste waterss.Such waste water is because containing more iron ion (ferrous ion and ferric ion), and often color dark (being Vandyke brown) at first visually forms bad impression to the people; If the iron ion that adopts the neutralization precipitation method to remove wherein can expend a large amount of alkali, not only economical effectiveness is bad, and can produce a large amount of solid slags.
China Patent No. 200910184187.4, denomination of invention are isolation of purified and the recoverying and utilizing method of waste hydrochloric acid containing iron, this disclosure of the Invention a kind of isolation of purified and recoverying and utilizing method of waste hydrochloric acid containing iron, belong to field of waste water treatment.The steps include: that (A) iron casting abraum salt pickle solution removes suspended substance through sand filtration, dropping oxidizing agent, washing lotion after the oxidation is by being filled with the strongly basic anion exchange resin adsorption tower, effluent liquid after the processing returns production process after can adding industrial concentrated hydrochloric acid enrichment HCl concentration, recycles as the iron casting hydrochloric acid lotion; (B) with distilled water or deionized water as regenerator, regenerator elutes the iron complex anion of exchange on strongly basic anion exchange resin by resin bed, forms the aqueous solution that contains the high density iron trichloride, can be used as water purification agent and returns production process and use.This invention with strongly basic anion exchange resin be applied to electroplate, improvement and the resource of industry iron casting abraum salt pickle solution such as iron and steel reclaim, utilize the complexing adsorption of strongly basic anion exchange resin and iron ion to realize the removal of iron in the abraum salt acid, adopt water as the resin regeneration agent resin to be carried out holomorphosis, realize the repeated use of resin.This invention realization successfully the resource type treating of waste hydrochloric acid containing iron, but do not elaborate for the whereabouts of the desorption liquid of the high density iron trichloride that forms in the treating processes.The concentration of this resin desorption liquid ferric ion can reach more than the 50000mg/L, and solution colour is brown more, though COD is very low, darker because of its color, iron concentration exceeds standard, and is difficult to realize direct discharging.
For this iron content resin desorption waste liquid, mostly it is sneaked in the Waste Water Treatment as waste liquid both at home and abroad at present, with the method for chemical precipitation the iron precipitation is removed in the employing.This treatment process has not only increased new to be controlled useless flow process, has improved the waste water treatment cost, also is a kind of wasting of resources.Do not find the report of this iron content resin desorption waste liquid as the utilization of resources as yet both at home and abroad.
Summary of the invention
1, the problem that will solve
At the flow process complexity that exists in the existing iron content resin desorption liquid waste disposal technique, the treatment cost height, problems such as the wasting of resources, the invention provides a kind of resource utilization method of iron content resin desorption waste liquid, the present invention is by the systems analysis to this iron content resin desorption waste liquid, understand its composition, forgone in the past in and chemical precipitation administer thinking, innovatively this waste liquid is used for electroplating wastewater phosphorus as the flocculant for treating waste water agent, the removal of heavy metal, realized the recycling of this waste liquid, " treatment of wastes with processes of wastes against one another; turn waste into wealth ", embodied circular economy concept, meet country about the requirement of " comprehensive utilization of resources ", and this waste liquid is to phosphorus in the electroplating wastewater, the removal efficient of heavy metal can reach more than 99%, the flocculation sediment effect is suitable substantially with commercialization iron trichloride flocculation agent, has saved the waste water treatment cost for electroplating industry again simultaneously.
2, technical scheme
Purpose of the present invention is achieved through the following technical solutions:
A kind of resource utilization method of iron content resin desorption waste liquid is used phosphorus, Cu in this waste liquid removal electroplating wastewater
2+And Ni
2+, its concrete steps are as follows:
A, utilize atomic absorption method, measure the concentration of iron trichloride in the iron content resin desorption waste liquid, and with its concentration range control between 30～60g/L; Detect the concentration of iron trichloride in many groups iron content resin desorption waste liquid to be measured; After iron trichloride concentration is lower than 30g/L and mixes by volume with the iron content resin desorption waste liquid that is higher than 60g/L and stir, utilize atomic absorption method to detect the concentration of iron trichloride in the mixed iron content resin desorption waste liquid again, up to concentration range between 30～60g/L;
B, utilization extraction-phosphorus molybdenum blue colorimetric method detect phosphorus content in the pending electroplating wastewater, utilize the heavy metal Cu in the atomic absorption method detection electroplating wastewater
2+, Ni
2+Content; If the content of phosphorus is lower than 1mg/L, Cu
2+Content be lower than 0.5mg/L and Ni
2+Content be lower than 0.5mg/L, then allow compliance with emission standards can be discharged; If phosphorus or Cu
2+Or Ni
2+Content be 0.5～100mg/L, then carry out next step;
Find that phosphorus content is 1～100mg/L in the electroplating wastewater if detect among the C step B, be 1: 1～5 to mix the iron content resin desorption waste liquid that obtains in the steps A and pending electroplating wastewater by phosphorus and the ratio of the volumetric molar concentration of iron trichloride then, mix the back and stir 5～45min; If Cu
2+Or Ni
2+Content be 0.5～100mg/L, then according to the dosage of the concentration control iron content resin desorption waste liquid that detects iron trichloride in the steps A, make that the concentration of iron trichloride is 0.5～100mg/L, mix stirring reaction 5～45min, sedimentation time is 0.5～2.5h; Solid-liquid separation is collected filtrate and filter residue respectively.
Phosphorus, Cu in the filtrate after D, detection step C handle
2+And Ni
2+Content, if the content of phosphorus is lower than 1mg/L, Cu
2+Content be lower than 0.5mg/L and Ni
2+Content be lower than 0.5mg/L, then allow compliance with emission standards can be discharged; If the content of phosphorus is not less than the content that the content of 1mg/L or copper is not less than 0.5mg/L or nickel and is not less than 0.5mg/L, repeating step C then, the content allow compliance with emission standards of phosphorus, copper and mickel in resulting filtrate.
Preferably, in the described steps A, the concentration of iron trichloride is 45g/L in the iron content resin desorption waste liquid; Among the described step B, detecting electroplating industry factory effluent phosphorus content is 50mg/L; Among the described step C, iron content resin desorption waste liquid mixes back control and the volumetric molar concentration of iron trichloride with pending electroplating wastewater ratio is 1: 2.5 ratio, mixes back stirring reaction 18min.
Preferably, in the described steps A, the concentration of iron trichloride is 40g/L in the iron content resin desorption waste liquid; Among the described step B, detecting electroplating industry factory effluent phosphorus content is 100mg/L; Among the described step C, iron content resin desorption waste liquid mixes back control and the volumetric molar concentration of iron trichloride with pending electroplating wastewater ratio is 1: 2.2 ratio, mixes back stirring reaction 20min.
Preferably, in the described steps A, the concentration of iron trichloride is 50g/L in the iron content resin desorption waste liquid; Among the described step B, detecting electroplating industry factory effluent phosphorus content is 40mg/L; Among the described step C, iron content resin desorption waste liquid mixes back control and the volumetric molar concentration of iron trichloride with pending electroplating wastewater ratio is 1: 2.7 ratio, mixes back stirring reaction 17min.
Preferably, in the described steps A, the concentration of iron trichloride is 42g/L in the iron content resin desorption waste liquid; Among the described step B, detecting electroplating industry factory effluent phosphorus content is 45mg/L; Among the described step C, iron content resin desorption waste liquid mixes back control and the volumetric molar concentration of iron trichloride with pending electroplating wastewater ratio is 1: 2.3 ratio, mixes back stirring reaction 15min.
Preferably, in the described steps A, the concentration of iron trichloride is 42g/L in the iron content resin desorption waste liquid; Among the described step B, detect Cu in the electroplating industry factory effluent
2+Content be 40mg/L, Ni
2+Content be 40mg/L, add then that the content of iron trichloride is 40mg/L behind the iron content resin desorption waste liquid, mix stirring reaction 10min, sedimentation time is 1h.
Preferably, in the described steps A, the concentration of iron trichloride is 45g/L in the iron content resin desorption waste liquid; Among the described step B, detect Cu in the electroplating industry factory effluent
2+Content be 80mg/L or Ni
2+Content be 80mg/L, add then that the content of iron trichloride is 50mg/L behind the iron content resin desorption waste liquid, mix stirring reaction 20min, sedimentation time is 1.5h.
3, beneficial effect
Than prior art, beneficial effect of the present invention is:
(1) the present invention as flocculant for treating waste water, has reached the removal effect identical with commercialization iron trichloride flocculation agent with the iron content resin desorption waste liquid that obtains in the electroplating industry abraum salt acid resource utilization process, and the treatment of wastes with processes of wastes against one another is that enterprise saves the waste water treatment cost.
(2) the iron content resin desorption waste liquid of the present invention's employing is as flocculation agent, and residual quantity is very little in the water outlet when best dosage; When using method dephosphorization of the present invention, residual Fe in the solution
3+≤ 0.2mg/L, harmless substantially to environment, reach wastewater discharge standard.
(3) the iron content resin desorption waste liquid of the present invention's employing and the optimum response pH of the phosphate radical in the waste water are 6.0-8.0, and phosphorous electroplating wastewater pH about 6.0, pH about 7.0 behind the adding electroplating wastewater, do not need to consume a large amount of alkali lye and regulate pH to optimum value, reduce the waste water treatment flow process, saved processing cost.
(4) the present invention uses that iron content resin desorption waste liquid is phosphorous to electroplating as flocculation agent, the advanced treatment of heavy metal-containing waste water, handles total phosphorous, Cu in the water outlet
2+, Ni
2+Content reaches the requirement of electroplating industry discharge of wastewater new standard GB21900-2008, and to removal Shuai ≧ 99% of phosphorus, copper and mickel, treatment effect is suitable with commercialization iron trichloride flocculation agent.
(5) the present invention is raw material with the iron content resin desorption waste liquid that produces in the electroplating industry abraum salt acid resource utilization process, realize the degree of depth removal of phosphorus, heavy metal in the electroplating wastewater, reached the purpose of " treatment of wastes with processes of wastes against one another ", significantly reduce the waste water treatment cost, realized the unification of economic benefit and environmental benefit.
(6) the present invention meets circular economy concept, and the way high fit with country's promotion " energy-saving and emission-reduction ", " comprehensive utilization of resources " has higher using value, and market outlook are wide.
Embodiment
A kind of resource utilization method of iron content resin desorption waste liquid is used phosphorus, Cu in this waste liquid removal electroplating wastewater
2+And Ni
2+, its concrete steps are as follows:
A, utilize atomic absorption method, measure the concentration of iron trichloride in the iron content resin desorption waste liquid, and with its concentration range control between 30～60g/L; Detect the concentration of iron trichloride in many groups iron content resin desorption waste liquid to be measured; After iron trichloride concentration is lower than 30g/L and mixes by volume with the iron content resin desorption waste liquid that is higher than 60g/L and stir, utilize atomic absorption method to detect the concentration of iron trichloride in the mixed iron content resin desorption waste liquid again, up to concentration range between 30～60g/L;
B, utilization extraction-phosphorus molybdenum blue colorimetric method detect phosphorus content in the pending electroplating wastewater, utilize the heavy metal Cu in the atomic absorption method detection electroplating wastewater
2+, Ni
2+Content; If the content of phosphorus is lower than 1mg/L, Cu
2+Content be lower than 0.5mg/L and Ni
2+Content be lower than 0.5mg/L, the emission standard that then meets GB21900-2008 can be discharged; If the content of phosphorus is 1～100mg/L or Cu
2+Or Ni
2+Content be 0.5～100mg/L, then carry out next step;
Find that phosphorus content is 1mg/L in the electroplating wastewater if detect among the C step B, be 1: 1～5 to mix the iron content resin desorption waste liquid that obtains in the steps A and pending electroplating wastewater by phosphorus and the ratio of the volumetric molar concentration of iron trichloride then, mix the back and stir 5～45min; If Cu
2+Or Ni
2+Content be 0.5～100mg/L, then according to the dosage of the concentration control iron content resin desorption waste liquid that detects iron trichloride in the steps A, make that the concentration of iron trichloride is 0.5～100mg/L, mix stirring reaction 5～45min, sedimentation time is 0.5～2.5h; Solid-liquid separation is collected filtrate and filter residue respectively.
Phosphorus, Cu in the filtrate after D, detection step C handle
2+And Ni
2+Content, if the content of phosphorus is lower than 1mg/L, Cu
2+Content be lower than 0.5mg/L and Ni
2+Content be lower than 0.5mg/L, the emission standard that then meets GB21900-2008 can be discharged; If the content of phosphorus is not less than the content that the content of 1mg/L or copper is not less than 0.5mg/L or nickel and is not less than 0.5mg/L, repeating step C then, the content of phosphorus, copper and mickel meets the emission standard of GB21900-2008 in resulting filtrate.
Below in conjunction with specific embodiment the present invention further is described.
Embodiment 1
Plant the resource utilization method of iron content resin desorption waste liquid, use phosphorus, Cu in this waste liquid removal electroplating wastewater
2+And Ni
2+, its concrete steps are as follows:
A, utilize atomic absorption method, measure the concentration of iron trichloride in the iron content resin desorption waste liquid, and with its concentration range control between 30～60g/L; Detect the concentration of iron trichloride in many groups iron content resin desorption waste liquid to be measured; After iron trichloride concentration is lower than 30g/L and mixes by volume with the iron content resin desorption waste liquid that is higher than 60g/L and stir, utilize atomic absorption method to detect the concentration of iron trichloride in the mixed iron content resin desorption waste liquid again, up to concentration range between 30～60g/L; In the present embodiment in the iron content resin desorption waste liquid concentration of iron trichloride be 45g/L.
B, utilization extraction-phosphorus molybdenum blue colorimetric method detect phosphorus content in the pending electroplating wastewater; Phosphorus content is 50mg/L.
C, be to mix at 1: 2.5 the iron content resin desorption waste liquid that obtains in the steps A and pending electroplating wastewater by phosphorus and the ratio of the volumetric molar concentration of iron trichloride, mix the back and stir 18min, mixing solutions is continued to twist solid-liquid separation, collect filtrate and filter residue respectively.
The content of phosphorus in the filtrate after D, detection step C handle, the content of measuring phosphorus in the filtrate by extraction-phosphorus molybdenum blue colorimetric method is 0.3mg/L, the emission standard that meets GB21900-2008 can be discharged.
Embodiment 2
With embodiment 1, difference is: in the described steps A, the concentration of iron trichloride is 40g/L in the iron content resin desorption waste liquid; Among the described step B, detecting electroplating industry factory effluent phosphorus content is 100mg/L; Among the described step C, iron content resin desorption waste liquid mixes back control and the volumetric molar concentration of iron trichloride with pending electroplating wastewater ratio is 1: 2.2 ratio, mixes back stirring reaction 20min.Content by phosphorus in the extraction-phosphorus molybdenum blue colorimetric method mensuration filtrate is 0.45mg/L at last, reaches emission standard.
Embodiment 3
A kind of resource utilization method of iron content resin desorption waste liquid is used phosphorus, Cu in this waste liquid removal electroplating wastewater
2+And Ni
2+, its concrete steps are as follows:
A, utilize atomic absorption method, detect the concentration of iron trichloride in 3 groups of iron content resin desorption waste liquids to be measured; The concentration of finding the concentration of iron trichloride in these many group waste water is respectively 10g/L, 15g/L and 80g/L, after these 3 groups of iron content resin desorption waste liquids mixing and stirring, the concentration of utilizing atomic absorption method to detect iron trichloride in the mixed iron content resin desorption waste liquid again is 30g/L.
B, utilize extraction-phosphorus molybdenum blue colorimetric method to detect that phosphorus content is 65mg/L in the pending electroplating wastewater, utilize the heavy metal Cu in the atomic absorption method detection electroplating wastewater
2+Concentration be 75mg/L, Ni
2+Concentration be 35mg/L.
C, be to mix at 1: 5 the iron content resin desorption waste liquid that obtains in the steps A and pending electroplating wastewater by phosphorus and the ratio of the volumetric molar concentration of iron trichloride, mix the back and stir 5min, precipitation 2.5h.Solid-liquid separation is collected filtrate and filter residue respectively.
Phosphorus content is 0.01mg/L, Cu in the filtrate of D, detection step C
2+Content be 0.07mg/L and Ni
2+Content be 0.09mg/L, meet the emission standard of GB21900-2008, clearance has reached 99%.
Embodiment 4
With embodiment 3 differences be: the concentration that detects iron trichloride in 4 groups of iron content resin desorption waste liquids to be measured in the steps A; The concentration of finding the concentration of iron trichloride in these many group waste water is respectively 13g/L, 65g/L and 70g/L, and after these 3 groups of iron content resin desorption waste liquids mixing and stirring, the concentration of iron trichloride is 60g/L; Step B, utilize extraction-phosphorus molybdenum blue colorimetric method to detect that phosphorus content is 100mg/L in the pending electroplating wastewater, utilize the heavy metal Cu in the atomic absorption method detection electroplating wastewater
2+Concentration be 90mg/L, Ni
2+Concentration be 70mg/L.Step C, the iron content resin desorption waste liquid that obtains in the steps A is mixed with the molar concentration rate of pending electroplating wastewater by 1: 3, mix the back and stir 28min, precipitation 1.9h.Solid-liquid separation is collected filtrate and filter residue respectively.Phosphorus content is 2mg/L, Cu in the filtrate of step D, detection step C
2+Content be 0.7mg/L and Ni
2+Content be 0.08mg/L.Because the content of phosphorus is 2mg/L, does not meet the emission standard of GB21900-2008.The iron content resin desorption waste liquid that obtains in the steps A is mixed by the ratio of phosphorus with the volumetric molar concentration of iron trichloride with the filtrate that obtains among the step C at 1: 1, mix the back and stir 40min, precipitation 0.5h.Repeating step C then detects that phosphorus content is 0.01mg/L, Cu in the resulting filtrate
2+Content be 0.09mg/L and Ni
2+Content be 0.02mg/L.Meet the emission standard of GB21900-2008, clearance has reached 99%.
Embodiment 5
With embodiment 1, difference is: in the steps A, the concentration of iron trichloride is 50g/L in the iron content resin desorption waste liquid; Among the described step B, detecting electroplating industry factory effluent phosphorus content is 40mg/L; Among the described step C, iron content resin desorption waste liquid mixes back control and the volumetric molar concentration of iron trichloride with pending electroplating wastewater ratio is 1: 2.7 ratio, mixes back stirring reaction 17min.The content of phosphorus in the filtrate after step D, detection step C handle, the content of phosphorus is 0.38mg/L, the emission standard that meets GB21900-2008 can be discharged.
Embodiment 6
With embodiment 1, difference is: in the steps A, the concentration of iron trichloride is 42g/L in the iron content resin desorption waste liquid; Among the described step B, detecting electroplating industry factory effluent phosphorus content is 45mg/L; Among the described step C, iron content resin desorption waste liquid mixes back control and the volumetric molar concentration of iron trichloride with pending electroplating wastewater ratio is 1: 2.3 ratio, mixes back stirring reaction 15min.The content of phosphorus in the filtrate after step D, detection step C handle, the content of phosphorus is 0.39mg/L, the emission standard that meets GB21900-2008 can be discharged.
Embodiment 7
With embodiment 1, difference is: in the steps A, the concentration of iron trichloride is 42g/L in the iron content resin desorption waste liquid; Among the described step B, detect Cu in the electroplating industry factory effluent
2+Content be 40mg/L, Ni
2+Content be 40mg/L, add then that the content of iron trichloride is 40mg/L behind the iron content resin desorption waste liquid, mix stirring reaction 10min, sedimentation time is 1h.Cu in the filtrate after step D, detection step C handle
2+And Ni
2+Content, Cu
2+Content be 0.32mg/L and Ni
2+Content be 0.27mg/L, the emission standard that meets GB21900-2008 can be discharged.
Embodiment 8
With embodiment 1, difference is: in the steps A, the concentration of iron trichloride is 45g/L in the iron content resin desorption waste liquid; Among the described step B, detect Cu in the electroplating industry factory effluent
2+Content be 80mg/L or Ni
2+Content be 80mg/L, add then that the content of iron trichloride is 50mg/L behind the iron content resin desorption waste liquid, mix stirring reaction 20min, sedimentation time is 1.5h.Cu in the filtrate after step D, detection step C handle
2+And Ni
2+Content, Cu
2+Content be 0.35mg/L and Ni
2+Content be 0.45mg/L, the emission standard that meets GB21900-2008 can be discharged.
By above embodiment, those of ordinary skills can know present method by inference also can handle the waste water that content that content that the content of phosphorus equals 1mg/L or copper equals 0.5mg/L or nickel equals 0.5mg/L, thus present specification no longer Ao state.
Claims (7)
1. the resource utilization method of an iron content resin desorption waste liquid is characterized in that, uses phosphorus, Cu in this waste liquid removal electroplating wastewater
2+And Ni
2+, its concrete steps are as follows:
A, utilize atomic absorption method, measure the concentration of iron trichloride in the iron content resin desorption waste liquid, and with its concentration range control between 30～60g/L; Detect the concentration of iron trichloride in many groups iron content resin desorption waste liquid to be measured; After iron trichloride concentration is lower than 30g/L and mixes by volume with the iron content resin desorption waste liquid that is higher than 60g/L and stir, utilize atomic absorption method to detect the concentration of iron trichloride in the mixed iron content resin desorption waste liquid again, up to concentration range between 30～60g/L;
B, utilization extraction-phosphorus molybdenum blue colorimetric method detect phosphorus content in the pending electroplating wastewater, utilize the heavy metal Cu in the atomic absorption method detection electroplating wastewater
2+, Ni
2+Content; If the content of phosphorus is lower than 1mg/L, Cu
2+Content be lower than 0.5mg/L and Ni
2+Content be lower than 0.5mg/L, then allow compliance with emission standards can be discharged; If the content of phosphorus is 0.5～100mg/L or Cu
2+Or Ni
2+Content be 1～100mg/L, then carry out next step;
Find that phosphorus content is 1～100mg/L in the electroplating wastewater if detect among the C step B, be 1: 1～5 to mix the iron content resin desorption waste liquid that obtains in the steps A and pending electroplating wastewater by phosphorus and the ratio of the volumetric molar concentration of iron trichloride then, mix the back and stir 5～45min; If Cu
2+Or Ni
2+Content be 0.5～100mg/L, then according to the dosage of the concentration control iron content resin desorption waste liquid that detects iron trichloride in the steps A, make that the concentration of iron trichloride is 0.5～100mg/L, mix stirring reaction 5～45min, sedimentation time is 0.5～2.5h; Solid-liquid separation is collected filtrate and filter residue respectively.
Phosphorus, Cu in the filtrate after D, detection step C handle
2+And Ni
2+Content, if the content of phosphorus is lower than 1mg/L, Cu
2+Content be lower than 0.5mg/L and Ni
2+Content be lower than 0.5mg/L, then allow compliance with emission standards can be discharged; If the content of phosphorus is not less than the content that the content of 1mg/L or copper is not less than 0.5mg/L or nickel and is not less than 0.5mg/L, repeating step C then, the content allow compliance with emission standards of phosphorus, copper and mickel in resulting filtrate.
2. the resource utilization method of a kind of iron content resin desorption waste liquid according to claim 1, it is characterized in that: in the described steps A, the concentration of iron trichloride is 45g/L in the iron content resin desorption waste liquid; Among the described step B, detecting electroplating industry factory effluent phosphorus content is 50mg/L; Among the described step C, iron content resin desorption waste liquid mixes back control and the volumetric molar concentration of iron trichloride with pending electroplating wastewater ratio is 1: 2.5 ratio, mixes back stirring reaction 18min.
3. the resource utilization method of a kind of iron content resin desorption waste liquid according to claim 1, it is characterized in that: in the described steps A, the concentration of iron trichloride is 40g/L in the iron content resin desorption waste liquid; Among the described step B, detecting electroplating industry factory effluent phosphorus content is 100mg/L; Among the described step C, iron content resin desorption waste liquid mixes back control and the volumetric molar concentration of iron trichloride with pending electroplating wastewater ratio is 1: 2.2 ratio, mixes back stirring reaction 20min.
4. the resource utilization method of a kind of iron content resin desorption waste liquid according to claim 1, it is characterized in that: in the described steps A, the concentration of iron trichloride is 50g/L in the iron content resin desorption waste liquid; Among the described step B, detecting electroplating industry factory effluent phosphorus content is 40mg/L; Among the described step C, iron content resin desorption waste liquid mixes back control and the volumetric molar concentration of iron trichloride with pending electroplating wastewater ratio is 1: 2.7 ratio, mixes back stirring reaction 17min.
5. the resource utilization method of a kind of iron content resin desorption waste liquid according to claim 1, it is characterized in that: in the described steps A, the concentration of iron trichloride is 42g/L in the iron content resin desorption waste liquid; Among the described step B, detecting electroplating industry factory effluent phosphorus content is 45mg/L; Among the described step C, iron content resin desorption waste liquid mixes back control and the volumetric molar concentration of iron trichloride with pending electroplating wastewater ratio is 1: 2.3 ratio, mixes back stirring reaction 15min.
6. the resource utilization method of a kind of iron content resin desorption waste liquid according to claim 1, it is characterized in that: in the described steps A, the concentration of iron trichloride is 42g/L in the iron content resin desorption waste liquid; Among the described step B, detect Cu in the electroplating industry factory effluent
2+Content be 40mg/L, Ni
2+Content be 40mg/L, add then that the content of iron trichloride is 40mg/L behind the iron content resin desorption waste liquid, mix stirring reaction 10min, sedimentation time is 1h.
7. the resource utilization method of a kind of iron content resin desorption waste liquid according to claim 1, it is characterized in that: in the described steps A, the concentration of iron trichloride is 45g/L in the iron content resin desorption waste liquid; Among the described step B, detect Cu in the electroplating industry factory effluent
2+Content be 80mg/L or Ni
2+Content be 80mg/L, add then that the content of iron trichloride is 50mg/L behind the iron content resin desorption waste liquid, mix stirring reaction 20min, sedimentation time is 1.5h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310218772.8A CN103253753B (en) | 2013-06-04 | 2013-06-04 | Recycling method of iron-containing resin desorption waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310218772.8A CN103253753B (en) | 2013-06-04 | 2013-06-04 | Recycling method of iron-containing resin desorption waste liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103253753A true CN103253753A (en) | 2013-08-21 |
| CN103253753B CN103253753B (en) | 2014-01-15 |
Family
ID=48958033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310218772.8A Expired - Fee Related CN103253753B (en) | 2013-06-04 | 2013-06-04 | Recycling method of iron-containing resin desorption waste liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103253753B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112791708A (en) * | 2019-11-13 | 2021-05-14 | 西南科技大学 | Method for preparing attapulgite/polypyrrole composite material based on iron-containing wastewater |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000039035A1 (en) * | 1998-12-29 | 2000-07-06 | Paques Bio Systems B.V. | Process for the treatment of waste water containing heavy metals |
| CN101643288A (en) * | 2009-08-26 | 2010-02-10 | 南京大学 | Method for separating, purifying and recycling waste hydrochloric acid containing iron |
| CN101734815A (en) * | 2009-12-23 | 2010-06-16 | 苏州市环境工程有限责任公司 | Electronic electroplating wastewater recycling advanced treatment technology |
| CN102674509A (en) * | 2011-10-20 | 2012-09-19 | 常州亚环环保科技有限公司 | Method for removing heavy metal ions from electroplating wastewater |
-
2013
- 2013-06-04 CN CN201310218772.8A patent/CN103253753B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000039035A1 (en) * | 1998-12-29 | 2000-07-06 | Paques Bio Systems B.V. | Process for the treatment of waste water containing heavy metals |
| CN101643288A (en) * | 2009-08-26 | 2010-02-10 | 南京大学 | Method for separating, purifying and recycling waste hydrochloric acid containing iron |
| CN101734815A (en) * | 2009-12-23 | 2010-06-16 | 苏州市环境工程有限责任公司 | Electronic electroplating wastewater recycling advanced treatment technology |
| CN102674509A (en) * | 2011-10-20 | 2012-09-19 | 常州亚环环保科技有限公司 | Method for removing heavy metal ions from electroplating wastewater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112791708A (en) * | 2019-11-13 | 2021-05-14 | 西南科技大学 | Method for preparing attapulgite/polypyrrole composite material based on iron-containing wastewater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103253753B (en) | 2014-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101811793B (en) | Pretreatment process of chromium-containing wastewater | |
| CN105906154B (en) | A kind of method of the recycling treatment recycling of board wastewater | |
| CN109467167B (en) | Method for removing heavy metals in stainless steel pickling wastewater | |
| CN102329024A (en) | Treatment method for reducing Cr<6+> in stainless steel acid wastewater | |
| CN102603098A (en) | Circular processing method of stainless steel acid washing waste liquid | |
| CN105385851A (en) | Treatment method of acid pickling waste liquid | |
| CN102616979B (en) | Treatment method for surface treatment liquid wastewater of metal processing | |
| CN102153217A (en) | Electroplating integrated wastewater treatment method | |
| CN109721187A (en) | A kind of chemical nickel plating waste solution processing method | |
| CN102730877A (en) | Technology and device for treating mixed waste water produced by cold-rolling pickling of stainless steel and carbon steel | |
| CN101565254B (en) | Aluminum oxidation wastewater treatment and reclaimed water reuse technology | |
| CN105174405A (en) | Method for preparing polymeric aluminum iron flocculating agent from wire rope acid sludge | |
| CN106746391A (en) | A kind of phosphatization recycling sludge method of disposal | |
| CN101244860A (en) | Extremely-high concentration multi-species heavy metal waste liquid treatment method and apparatus | |
| CN102910716A (en) | Method for preparing polymeric ferric aluminum by utilizing metal chlorohydric acid pickling waste liquor | |
| CN209583854U (en) | A kind of chemical nickle-plating wastewater processing equipment | |
| CN104176810B (en) | A kind of high-efficiency multi-function remover and preparation method thereof | |
| CN204224358U (en) | Stainless-steel cold-rolling acid waste water treatment unit | |
| CN202558715U (en) | Treatment and reuse device for electrolytic manganese industrial wastewater | |
| CN108393328B (en) | Aluminum oxidation sludge and waste acid treatment method | |
| CN208869412U (en) | The processing system of chromate waste water | |
| CN103253753B (en) | Recycling method of iron-containing resin desorption waste liquid | |
| CN218810913U (en) | Turbid circulating water treatment system of steel plant | |
| CN202465421U (en) | Integrated recovery device of waste sulfuric acid and wastewater | |
| CN207109133U (en) | The quick clean online plating solution negative pressure evaporation equipment for reclaiming of electronickelling production line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20210604 |