CN110255780A - A kind for the treatment of of dyeing/printing wastewaters and processing method - Google Patents
A kind for the treatment of of dyeing/printing wastewaters and processing method Download PDFInfo
- Publication number
- CN110255780A CN110255780A CN201910666846.1A CN201910666846A CN110255780A CN 110255780 A CN110255780 A CN 110255780A CN 201910666846 A CN201910666846 A CN 201910666846A CN 110255780 A CN110255780 A CN 110255780A
- Authority
- CN
- China
- Prior art keywords
- treatment
- dyeing
- printing
- pyridone
- acid esters
- 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.)
- Pending
Links
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
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
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)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a kind for the treatment of of dyeing/printing wastewaters and processing method, the treatment of dyeing/printing wastewaters independent includes pyridone dibasic acid esters modified cellulose adsorbent, poly aluminium iron silicate boron magnesium composite flocculation agent and Fenton reagent；With the total weight of the treatment of dyeing/printing wastewaters, the content of the pyridone dibasic acid esters modified cellulose adsorbent is 5-10wt%, the content of poly aluminium iron silicate boron magnesium composite flocculation agent is 55-65wt% and the content of Fenton reagent is 25-40wt%.Treatment of dyeing/printing wastewaters preparation method of the invention is simple, with good stability；Have many advantages, such as simple process, high treating effect using the wastewater treatment method for the treatment of of dyeing/printing wastewaters of the invention.
Description
Technical field
The invention belongs to dyeing and printing sewage processing technology fields, more particularly, to a kind for the treatment of of dyeing/printing wastewaters and processing
Method.
Background technique
With the development of society, a large amount of discharges of industrial wastewater, municipal wastewater bring great challenge to environment.Especially
It is the dyeing waste water in industrial wastewater, the discharge amount of dyeing waste water is very big, and contains unreacted fuel, face in dyeing waste water
Material, with dense color, there are also the casts on the product and fabric after unreacted auxiliary agent, and reaction.It is more serious
There are also the organic compound of carcinogenic and teratogenesis, have virose heavy metal etc..Application No. is 201310328285.7 patents
Application discloses a kind of waste water treating agent, and the wastewater treatment method is easy, but its main water agent used mainly includes ferrosilicon
Copolymer and Fenton reagent, ferrosilicon copolymer is polymerize by sodium metasilicate and ferrate to be formed, and Fenton reagent is then hydrogen peroxide and sulphur
Sour ferrous reaction obtains, and the maximum disadvantage of the water treatment agent is: (a) existing sewage-treating agent is mostly according to specific row
Industry exploitation, inorganic agent disclosed above are just relatively suitble in processing water COD, ammonia-nitrogen content higher and turbidity, coloration, conductance
Rate, smelly and taste, pH value, total hardness, chloride close to common water quality sewage, especially in dyeing waste water coloration and
Metal ion content does not have apparent treatment effect；(b) effect of waste water treating agent disclosed above only reduces in waste water
There are also to be strengthened for COD, ammonia-nitrogen content, adsorption effect and flocculating effect；(c) adsorbent used in existing waste water treating agent,
Flocculant is mostly non-environmental protection product, and price is generally higher, is unfavorable for Environmental Protection in China cause long-run development.
Summary of the invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind for the treatment of of dyeing/printing wastewaters and treatment of dyeing wastewater
Method can effectively solve the problem that the coloration problem in dyeing waste water using method of the invention, removal have virose heavy metal,
COD etc., and simple process, high treating effect.
To achieve the goals above, the present invention provides a kind for the treatment of of dyeing/printing wastewaters, and the treatment of dyeing/printing wastewaters is respectively
Independent includes pyridone dibasic acid esters modified cellulose adsorbent, poly aluminium iron silicate boron magnesium composite flocculation agent and Fenton reagent；
With the total weight of the treatment of dyeing/printing wastewaters, the content of the pyridone dibasic acid esters modified cellulose adsorbent is
5-10wt%, poly aluminium iron silicate boron magnesium composite flocculation agent content be 55-65wt% and the content of Fenton reagent is 25-
40wt%.
Another aspect of the present invention provides a kind for the treatment of method of printing and dying wastewater, at above-mentioned treatment of dyeing/printing wastewaters
Reason, this method comprises the following steps:
(1) pH value of waste water to be processed is adjusted with pH adjusting agent；
(2) first pyridone dibasic acid esters modified cellulose adsorbent is added in the waste water to be processed after pH value is adjusted, stirring
After reaction, then aluminium iron silicate boron magnesium composite flocculation agent is added thereto, after being stirred to react, finally add Fenton reagent thereto,
It is stirred to react.
Technical solution of the present invention has the following beneficial effects:
Treatment of dyeing/printing wastewaters of the invention can have using the characterization of adsorption of cellulose adsorbent after being chemically modified
Heavy metal ion in effect absorption dyeing waste water is especially to the Pb in dyeing waste water2+、Cd2+、Co2+And Cu2+Plasma has preferable
Adsorption effect；Coagulant polysilicate can effectively remove the coloration of dyeing waste water, COD etc., big with flocculation aggregation,
The advantages that sinking speed is fast, good decolorizing effect, can be more using the synergistic effect of coagulant polysilicate and Fenton reagent
COD and ammonia nitrogen compound in effective removal dyeing waste water etc..
Treatment of dyeing/printing wastewaters preparation method of the invention is simple, with good stability；Use printing and dyeing of the invention
The wastewater treatment method of waste water treating agent has many advantages, such as simple process, high treating effect.
Other features and advantages of the present invention will then part of the detailed description can be specified.
Specific embodiment
The preferred embodiment of the present invention is described in more detail below.Although the following describe preferred implementations of the invention
Mode, however, it is to be appreciated that may be realized in various forms the present invention without that should be limited by the embodiments set forth herein.Phase
Instead, these embodiments are provided so that the present invention is more thorough and complete, and can be by the scope of the present invention completely
It is communicated to those skilled in the art.
An aspect of of the present present invention provides a kind for the treatment of of dyeing/printing wastewaters, and the treatment of dyeing/printing wastewaters independent includes pyrrole
Pyridine ketone dibasic acid esters modified cellulose adsorbent, poly aluminium iron silicate boron magnesium composite flocculation agent and Fenton reagent；
With the total weight of the treatment of dyeing/printing wastewaters, the content of the pyridone dibasic acid esters modified cellulose adsorbent is
5-10wt%, poly aluminium iron silicate boron magnesium composite flocculation agent content be 55-65wt% and the content of Fenton reagent is 25-
40wt%.
In accordance with the present invention it is preferred that the pyridone dibasic acid esters modified cellulose adsorbent comprises the following steps: (1) will
Cellulose is placed in NaOH solution, then stirring is filtered, washed and dried, obtains activated cellulose；
(2) in the presence of the first organic solvent, by the activated cellulose and succinic anhydride haptoreaction, then mistake
Filter, washing and drying, obtain intermediate；
(3) in the presence of the second organic solvent, by the intermediate and N, N- diisopropylcarbodiimide haptoreaction,
Then pyridone dibasic acid esters is added, the reaction was continued, is finally filtered, washed and dried, and obtains the pyridone dibasic acid esters modified cellulose
Adsorbent.
In accordance with the present invention it is preferred that the cellulose is cellulose acetate in step (1)；The quality of the NaOH solution
Concentration is 15%；The cellulose and the solid-liquid ratio of NaOH solution are 1:(15-20) g/mL；
In step (2), first organic solvent is pyridine；The mass ratio of the activated cellulose and succinic anhydride is 1:
4-5；The solid-liquid ratio of the activated cellulose and the first organic solvent is 1:(35-45) g/mL；
In step (3), second organic solvent is N, N- dimethylformamide；Relative to the second organic solvent of 100mL,
The dosage of intermediate is 2-3g, and N, the dosage of N- diisopropylcarbodiimide is 1-2mL, and the dosage of pyridone dibasic acid esters is 2-5g.
In the present invention, pyridone dibasic acid esters can by laboratory make by oneself or it is commercially available, structure is as shown in Equation 1:
Wherein ,-OR1 and-OR2 is respectively the alkoxy of 3-7 carbon atom, and R1 with R2 carbon atom number is different.
In the present invention, the cellulose acetate can be any commonly employed cellulose acetate in this field.
In the present invention, cellulose is most wide as distributed in nature, the most abundant natural reproducible resource of content, has environment
Friendly, bio-compatible good, easily modified, cheap the advantages of being easily obtained.Hydroxyl is rich on cellulose, it is derivative by hydroxyl
Change reaction and introduce the anionic groups such as carboxyl, sulfonic group, the phosphate that there is adsorption capacity to cation, cationic suction can be prepared
Attached dose.Hydroxyl on cellulose can also form ammonium salt by amination by crosslinking Treatment or grafting, inhale anion is made
Attached dose.Cellulose adsorbent by chemical modification has the effect of good to adsorption of metal ions.Pyridone di esters
Closing object has preferable ion binding capacity, pyridone di esters compound is used for modified cellulose adsorbent, pyridone is made
Dibasic acid esters modified cellulose adsorbent, the pyridone dibasic acid esters modified cellulose adsorbent are adsorbed relative to the cellulose after common modifications
Agent has better ionic adsorption effect.
In accordance with the present invention it is preferred that in the poly aluminium iron silicate boron magnesium composite flocculation agent: mole of element silicon and ferro element
Than for 1:1-3, the molar ratio of element silicon and aluminium element is 1:3-5, and the molar ratio of element silicon and boron element is 1:0.1, element silicon
Molar ratio with magnesium elements is 1:0.3-0.9.
In accordance with the present invention it is preferred that the poly aluminium iron silicate boron magnesium composite flocculation agent comprises the following steps: (1) respectively
Successively by Na2B4O7·10H2O、MgSO4·7H2O、AlCl3·6H2O and Fe2(SO4)3·7H2O is added in activation polysilicon acid,
It is uniformly mixed, obtains mix reagent；(2) mix reagent is cured, obtains the compound wadding of poly aluminium iron silicate boron magnesium
Solidifying agent.
In the present invention, cationic inorganic polymer polysilicon acid is caught volume with net with good adsorption bridging in water body and is swept
Effect, there is preferable flocculating effect, and composite flocculation agent made of magnesium salts is added in flocculant, can improve wadding to a certain extent
Solidifying agent treatment effect.Iron, aluminium, boron element is added in activation polysilicon acid, adjusts the additive amount of magnesium, the aluminium silicate polymer being prepared
Iron boron magnesium composite flocculation agent has flocculating effect more better than composite flocculation agent made of magnesium salts.
In the present invention, it is described activation polysilicon acid the preparation method comprises the following steps: by waterglass, that is, sodium silicate solution, with 2mol/L sulfuric acid
It is 4 that solution, which adjusts pH, and standing 2h makes silicic acid polymerization, and activation polysilicon acid is made.Polysilicon acid is activated as flocculation aid, helps solidifying machine
Reason is mainly adsorption bridging effect.When the wadding grain that coagulant is formed is tiny loose, when being not easy to precipitate, activation polysilicon acid can pass through suction
Attached bridging action connects wadding grain, to increase the size and density of floccule body, improves sedimentation effect.
In accordance with the present invention it is preferred that every kind of substance is added in activation polysilicon acid in step (1), it is stirred 3-5min；
In step (2), the time of the curing is 1-3h.
In accordance with the present invention it is preferred that the Fenton reagent includes H2O2And FeSO4·7H2O；The H2O2And FeSO4·
7H2The molar ratio of O is 5:2-4.
Another aspect of the present invention provides a kind for the treatment of method of printing and dying wastewater, at above-mentioned treatment of dyeing/printing wastewaters
Reason, this method comprises the following steps:
(1) pH value of waste water to be processed is adjusted with pH adjusting agent；
(2) first pyridone dibasic acid esters modified cellulose adsorbent is added in the waste water to be processed after pH value is adjusted, stirring
After reaction, then aluminium iron silicate boron magnesium composite flocculation agent is added thereto, after being stirred to react, finally add Fenton reagent thereto,
It is stirred to react.
In accordance with the present invention it is preferred that in step (1), the pH adjusting agent is NaOH and/or sulfuric acid, further preferably
The sulfuric acid of the NaOH and/or 0.5mol/L of 0.5mol/L, the pH value are 5-8.
In accordance with the present invention it is preferred that every kind of time that is stirred to react for adding substance is 30-50min in step (2)；Relatively
In the waste water that 1L is to be processed, the additive amount of the treatment of dyeing/printing wastewaters is 0.05-0.1kg.
In the present invention, the additive amount of the treatment of dyeing/printing wastewaters is that 0.05-0.1kg refers to that pyridone dibasic acid esters is modified fine
The sum of the dosage for tieing up plain adsorbent, poly aluminium iron silicate boron magnesium composite flocculation agent and Fenton reagent is 0.05-0.1kg.
The present invention is further illustrated by the following examples:
Pyridone dibasic acid esters modified cellulose adsorbent used in following embodiment and comparative example the preparation method is as follows:
(1) cellulose activation: cellulose acetate being placed in the NaOH solution that mass concentration is 15%, 25 DEG C of stirring 15h, filtering, Gu
Body distillation is washed to neutrality, and is washed 2-3 time with acetone, is put into vacuum oven and dries, and it is spare to obtain activated cellulose, acetic acid
The solid-liquid ratio for the NaOH solution that cellulose and mass concentration are 15% is 1g:18mL；
(2) preparation of intermediate A FC: activated cellulose and succinic anhydride that step (1) obtains are added in pyridine,
Flow back 20h at 120 DEG C, filtering, obtained solid use respectively 1mol/L acetate dichloromethane solution, 95% ethyl alcohol, distilled water,
0.01mol/L hydrochloric acid solution, acetone washing are dried in vacuo 12h at 50 DEG C later, and it is spare to obtain intermediate A FC, activated fiber
The mass ratio of element and succinic anhydride is 1:4, and the solid-liquid ratio of activated cellulose and pyridine is 1g:40mL；
The intermediate A FC and N that step (2) is obtained, N- diisopropylcarbodiimide are added to N, in N- dimethylformamide,
Pyridone dibasic acid esters is added after stirring 1h at 25 DEG C, continues to stir 6h, filtering, solid successively uses 95% ethyl alcohol, distills water washing, and 60
It is dried in vacuo 10h at DEG C, obtains pyridone dibasic acid esters modified cellulose adsorbent,；Relative to the N of 100mL, N- dimethylformamide, in
The dosage of mesosome AFC is 2.5g, N, and the dosage of N- diisopropylcarbodiimide is 1.5mL, the dosage of pyridone dibasic acid esters is 3g；Its
In, the structural formula of pyridone dibasic acid esters is as shown in Equation 1:
Wherein ,-OR1 is n-pentyloxy, and-OR2 is positive
Propoxyl group.
Wherein, cellulose acetate used is purchased from Sichuan Pu Shi cellulose acetate Co., Ltd.
Poly aluminium iron silicate boron magnesium composite flocculation agent used in following embodiment and comparative example the preparation method is as follows:
(1) amount of each reagent needed for being calculated according to ratio, weighs Na by calculated amount2B4O7·10H2O、MgSO4·
7H2O、AlCl3·6H2O and Fe2(SO4)3·7H2O；
(2) respectively successively by Na2B4O7·10H2O、MgSO4·7H2O、AlCl3·6H2O and Fe2(SO4)3·7H2O is added
Into activation polysilicon acid, it is uniformly mixed, obtains mix reagent；Wherein, every kind of substance is added in activation polysilicon acid, is stirred
3min；
(3) mix reagent is put into baking oven and cures 2h to get poly aluminium iron silicate boron magnesium composite flocculation agent is arrived；
Wherein, the activation polysilicon acid comprises the following steps: the sodium silicate aqueous solution (water for being 45 ° of B é by Baume concentration
Glass) (being purchased from three factory of Tianjin chemical reagent), pH is adjusted as 4 with 2mol/L sulfuric acid solution, standing 2h makes silicic acid polymerization, is made and lives
Change polysilicon acid；Wherein, the Baume concentration is the Baume concentration at 25 DEG C.
The dyeing waste water of following embodiment and comparative example processing is the identical dyeing waste water of water quality situation, i.e., metal from
The contamination indexes such as sub- content, COD and coloration dyeing waste water all the same.
Embodiment 1
The present embodiment provides a kind for the treatment of of dyeing/printing wastewaters, the treatment of dyeing/printing wastewaters independent includes that pyridone is double
Ester modified cellulose adsorbent, poly aluminium iron silicate boron magnesium composite flocculation agent and Fenton reagent；With the treatment of dyeing/printing wastewaters
Total weight, the content of the pyridone dibasic acid esters modified cellulose adsorbent are 5wt%, poly aluminium iron silicate boron magnesium composite flocculation agent
Content be 55wt% and the content of Fenton reagent is 40wt%.Wherein, Fenton reagent includes H2O2And FeSO4·7H2O；It is described
H2O2With FeSO4·7H2The molar ratio of O is 5:2；Element silicon and each complex element in poly aluminium iron silicate boron magnesium composite flocculation agent
Molar ratio be nSi:nFe, nSi:nAl, nSi:nB, nSi:nMg be respectively 1:3,1:5,1:0.1,1:0.3；
Use the wastewater treatment method of the treatment of dyeing/printing wastewaters of the present embodiment are as follows: (1) with 0.5mol/L NaOH adjust to
Handling wastewater pH is 5；(2) then first pyridone dibasic acid esters modified cellulose adsorbent is added to be processed useless after pH value is adjusted
In water, after being stirred to react, then aluminium iron silicate boron magnesium composite flocculation agent is added thereto, after being stirred to react, finally added thereto
Fenton reagent is stirred to react.Wherein, every kind of time that is stirred to react for adding substance is 50min；It is to be processed relative to 1L
Waste water, the additive amount of the treatment of dyeing/printing wastewaters are 0.05kg, the waste water A 1 that obtains that treated.
Embodiment 2
The present embodiment provides a kind for the treatment of of dyeing/printing wastewaters, the treatment of dyeing/printing wastewaters independent includes that pyridone is double
Ester modified cellulose adsorbent, poly aluminium iron silicate boron magnesium composite flocculation agent and Fenton reagent；With the treatment of dyeing/printing wastewaters
Total weight, the content of the pyridone dibasic acid esters modified cellulose adsorbent are 10wt%, poly aluminium iron silicate boron magnesium composite flocculation
The content of agent is 65wt% and the content of Fenton reagent is 25wt%.Wherein, Fenton reagent includes H2O2And FeSO4·7H2O；Institute
State H2O2With FeSO4·7H2The molar ratio of O is 5:4；Element silicon and each complex element in poly aluminium iron silicate boron magnesium composite flocculation agent
Molar ratio be nSi:nFe, nSi:nAl, nSi:nB, nSi:nMg be respectively 1:1,1:5,1:0.1,1:0.9；
Use the wastewater treatment method of the treatment of dyeing/printing wastewaters of the present embodiment are as follows: (1) with 0.5mol/L NaOH and
It is 7 that 0.5mol/L sulfuric acid, which adjusts wastewater pH to be processed,；(2) pyridone dibasic acid esters modified cellulose adsorbent is first then added to pH
In waste water to be processed after value adjusting, after being stirred to react, then aluminium iron silicate boron magnesium composite flocculation agent is added thereto, be stirred to react
Afterwards, Fenton reagent is finally added thereto, is stirred to react.Wherein, every kind of time that is stirred to react for adding substance is
30min；The waste water to be processed relative to 1L, the additive amount of the treatment of dyeing/printing wastewaters are 0.1kg, the waste water that obtains that treated
A2。
Embodiment 3
The present embodiment provides a kind for the treatment of of dyeing/printing wastewaters, the treatment of dyeing/printing wastewaters independent includes that pyridone is double
Ester modified cellulose adsorbent, poly aluminium iron silicate boron magnesium composite flocculation agent and Fenton reagent；With the treatment of dyeing/printing wastewaters
Total weight, the content of the pyridone dibasic acid esters modified cellulose adsorbent are 8wt%, poly aluminium iron silicate boron magnesium composite flocculation agent
Content be 60wt% and the content of Fenton reagent is 32wt%.Wherein, Fenton reagent includes H2O2And FeSO4·7H2O；It is described
H2O2With FeSO4·7H2The molar ratio of O is 5:3；Element silicon and each complex element in poly aluminium iron silicate boron magnesium composite flocculation agent
Molar ratio be nSi:nFe, nSi:nAl, nSi:nB, nSi:nMg be respectively 1:2,1:3,1:0.1,1:0.6；
Use the wastewater treatment method of the treatment of dyeing/printing wastewaters of the present embodiment are as follows: (1) with 0.5mol/L NaOH and
It is 8 that 0.5mol/L sulfuric acid, which adjusts wastewater pH to be processed,；(2) pyridone dibasic acid esters modified cellulose adsorbent is first then added to pH
In waste water to be processed after value adjusting, after being stirred to react, then aluminium iron silicate boron magnesium composite flocculation agent is added thereto, be stirred to react
Afterwards, Fenton reagent is finally added thereto, is stirred to react.Wherein, every kind of time that is stirred to react for adding substance is
40min；The waste water to be processed relative to 1L, the additive amount of the treatment of dyeing/printing wastewaters are 0.06kg, and it is useless to obtain that treated
Water A3.
Embodiment 4
The present embodiment provides a kind for the treatment of of dyeing/printing wastewaters, the treatment of dyeing/printing wastewaters independent includes that pyridone is double
Ester modified cellulose adsorbent, poly aluminium iron silicate boron magnesium composite flocculation agent and Fenton reagent；With the treatment of dyeing/printing wastewaters
Total weight, the content of the pyridone dibasic acid esters modified cellulose adsorbent are 7wt%, poly aluminium iron silicate boron magnesium composite flocculation agent
Content be 58wt% and the content of Fenton reagent is 35wt%.Wherein, Fenton reagent includes H2O2And FeSO4·7H2O；It is described
H2O2With FeSO4·7H2The molar ratio of O is 5:3；Element silicon and each complex element in poly aluminium iron silicate boron magnesium composite flocculation agent
Molar ratio be nSi:nFe, nSi:nAl, nSi:nB, nSi:nMg be respectively 1:2,1:4,1:0.1,1:0.5；
Use the wastewater treatment method of the treatment of dyeing/printing wastewaters of the present embodiment are as follows: (1) with 0.5mol/L NaOH and
It is 6 that 0.5mol/L sulfuric acid, which adjusts wastewater pH to be processed,；(2) pyridone dibasic acid esters modified cellulose adsorbent is first then added to pH
In waste water to be processed after value adjusting, after being stirred to react, then aluminium iron silicate boron magnesium composite flocculation agent is added thereto, be stirred to react
Afterwards, Fenton reagent is finally added thereto, is stirred to react.Wherein, every kind of time that is stirred to react for adding substance is
45min；The waste water to be processed relative to 1L, the additive amount of the treatment of dyeing/printing wastewaters are 0.08kg, and it is useless to obtain that treated
Water A4.
Comparative example 1
This comparative example provides a kind of waste water treating agent, with the total weight of waste water treating agent: the content of ferrosilicon copolymer is
65wt%, the content of Fenton reagent are 35wt%；Wherein, the ferrosilicon copolymer is that sodium metasilicate and ferrate polymerize to be formed,
Sodium metasilicate is (with Na2SiO3Meter) with ferrate (with K2FeO4Meter) molar ratio be 3:2.5；Fenton reagent include hydrogen peroxide and
Ferrous sulfate, hydrogen peroxide is (with 100%H2O2Meter) with ferrous sulfate (with FeSO4·7H2O meter) molar ratio be 10:2.5.
Specific wastewater treatment method are as follows: first add alkali or acid for adjusting pH value to 6.5 waste water, it then will be in waste water treating agent
Ferrosilicon copolymer and Fenton reagent are added in waste water, are stirred and evenly mixed, reaction time 70min, the waste water that obtains that treated
CA1.Wherein, the additional amount of waste water treating agent are as follows: the additional amount of waste water treating agent is 0.4kg in 1L waste water.In this comparative example,
The additional amount of waste water treating agent refers to total additional amount of ferrosilicon copolymer and Fenton reagent.
Comparative example 2
The difference of this comparative example and embodiment 3 are as follows: replace with the pyridone dibasic acid esters modified cellulose adsorbent of 8wt%
The cellulose adsorbent of 8wt%, each component and dosage and wastewater treatment method of other treatment of dyeing/printing wastewaters with embodiment 3
It is identical.
Dyeing waste water is handled according to the wastewater treatment method of comparative example 2, the waste water CA2 that obtains that treated.
Comparative example 3
The difference of this comparative example and embodiment 3 are as follows: replace with the poly aluminium iron silicate boron magnesium composite flocculation agent of 65wt%
The poly ferric chloride flocculant agent of 65wt%, each component and dosage and wastewater treatment method of other treatment of dyeing/printing wastewaters with reality
It is identical to apply example 3.
According to the dyeing waste water of the wastewater treatment method processing comparable sodium of comparative example 3, the waste water CA3 that obtains that treated.
Test case
Content, the content of COD for detecting each embodiment and comparative example treated metal ion in dyeing waste water, before processing
The situation of change of solution colour absorbance afterwards, and the removal rate and percent of decolourization of metal ion removal rate, COD are calculated, specifically
Test result is shown in Table 1.Wherein, the content of metal ion is tested using atomic absorption spectrography (AAS), the content of COD utilizes Gao Meng
Sour potassium oxidimetry test and using spectrophotometry solution colour absorbance before and after the processing variation
Situation.
Table 1
| Treated waste water | Metal ion removal rate (%) | COD removal rate (%) | Percent of decolourization (%) |
| A1 | 94.6 | 94.3 | 93.2 |
| A2 | 94.7 | 95.5 | 93.8 |
| A3 | 95.1 | 95.2 | 94.9 |
| A4 | 94.9 | 95.8 | 94.3 |
| CA1 | 11.3 | 90.1 | 26.2 |
| CA2 | 23.7 | 75.4 | 58.3 |
| CA3 | 79.8 | 57.3 | 47.2 |
To sum up, as shown in Table 1, the treatment of dyeing/printing wastewaters in various embodiments of the present invention reaches the removal rate of metal ion
94.6% or more, to COD removal rate up to 94.3% or more, to chroma removal rate up to 93.2% or more, and the waste water in comparative example
Inorganic agent is respectively 90.1%, 75.4% and 57.3% to the removal rate of COD, equal to the removal rate and percent of decolourization of metal ion
It is lower, it can be seen that, the treatment of dyeing/printing wastewaters in the embodiment of the present invention is to metal ion, the COD, color in removal dyeing waste water
Degree has a remarkable result, especially to having more significant effect in the removal of metal ion, coloration.Use the print in the present invention
It is simple to contaminate waste water treating agent processing method for waste water, and the treatment of dyeing/printing wastewaters performance is stablized, and long-term preservation is conducive to, price is low
It is honest and clean.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.
Claims (10)
1. a kind for the treatment of of dyeing/printing wastewaters, which is characterized in that the treatment of dyeing/printing wastewaters independent includes pyridone dibasic acid esters
Modified cellulose adsorbent, poly aluminium iron silicate boron magnesium composite flocculation agent and Fenton reagent；
With the total weight of the treatment of dyeing/printing wastewaters, the content of the pyridone dibasic acid esters modified cellulose adsorbent is 5-
10wt%, poly aluminium iron silicate boron magnesium composite flocculation agent content be 55-65wt% and the content of Fenton reagent is 25-40wt%.
2. treatment of dyeing/printing wastewaters according to claim 1, wherein the pyridone dibasic acid esters modified cellulose adsorbent by
Following method is made:
(1) cellulose is placed in NaOH solution, stirs, is then filtered, washed and dried, obtains activated cellulose；
(2) it in the presence of the first organic solvent, by the activated cellulose and succinic anhydride haptoreaction, then filters, wash
It washs and dries, obtain intermediate；
(3) in the presence of the second organic solvent, by the intermediate and N, N- diisopropylcarbodiimide haptoreaction, then
Pyridone dibasic acid esters is added, the reaction was continued, is finally filtered, washed and dried, and obtains the pyridone dibasic acid esters modified cellulose absorption
Agent.
3. treatment of dyeing/printing wastewaters according to claim 2, wherein in step (1), the cellulose is acetate fiber
Element；The mass concentration of the NaOH solution is 15%；The cellulose and the solid-liquid ratio of NaOH solution are 1:(15-20) g/mL；
In step (2), first organic solvent is pyridine；The mass ratio of the activated cellulose and succinic anhydride is 1:4-5；
The solid-liquid ratio of the activated cellulose and the first organic solvent is 1:(35-45) g/mL；
In step (3), second organic solvent is N, N- dimethylformamide；It is intermediate relative to the second organic solvent of 100mL
The dosage of body is 2-3g, and N, the dosage of N- diisopropylcarbodiimide is 1-2mL, and the dosage of pyridone dibasic acid esters is 2-5g.
4. treatment of dyeing/printing wastewaters according to claim 1, wherein in the poly aluminium iron silicate boron magnesium composite flocculation agent:
The molar ratio of element silicon and ferro element is 1:1-3, and the molar ratio of element silicon and aluminium element is 1:3-5, element silicon and boron element
Molar ratio is 1:0.1, and the molar ratio of element silicon and magnesium elements is 1:0.3-0.9.
5. treatment of dyeing/printing wastewaters according to claim 1, wherein the poly aluminium iron silicate boron magnesium composite flocculation agent is by such as
Lower section method is made: (1) respectively successively by Na2B4O7·10H2O、MgSO4·7H2O、AlCl3·6H2O and Fe2(SO4)3·7H2O adds
Enter into activation polysilicon acid, is uniformly mixed, obtains mix reagent；(2) mix reagent is cured, obtains the poly- silicon
Sour ferro-aluminum boron magnesium composite flocculation agent.
6. treatment of dyeing/printing wastewaters according to claim 5, wherein in step (1), activation polysilicon acid is added in every kind of substance
In, it is stirred 3-5min；
In step (2), the time of the curing is 1-3h.
7. treatment of dyeing/printing wastewaters according to claim 1, wherein the Fenton reagent includes H2O2And FeSO4·7H2O；
The H2O2And FeSO4·7H2The molar ratio of O is 5:2-4.
8. a kind for the treatment of method of printing and dying wastewater, which is characterized in that using dyeing waste water described in any one of claim 1-7
Inorganic agent is handled, and this method comprises the following steps:
(1) pH value of waste water to be processed is adjusted with pH adjusting agent；
(2) first pyridone dibasic acid esters modified cellulose adsorbent is added in the waste water to be processed after pH value is adjusted, is stirred to react
Afterwards, then thereto aluminium iron silicate boron magnesium composite flocculation agent is added, after being stirred to react, finally adds Fenton reagent thereto, is carried out
It is stirred to react.
9. treatment method of printing and dying wastewater according to claim 8, wherein in step (1), the pH adjusting agent is NaOH
And/or sulfuric acid；The pH value is 5-8.
10. treatment method of printing and dying wastewater according to claim 8, wherein in step (2), every kind of stirring for adding substance
Reaction time is 30-50min；The waste water to be processed relative to 1L, the additive amount of the treatment of dyeing/printing wastewaters are 0.05-
0.1kg。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910666846.1A CN110255780A (en) | 2019-07-23 | 2019-07-23 | A kind for the treatment of of dyeing/printing wastewaters and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910666846.1A CN110255780A (en) | 2019-07-23 | 2019-07-23 | A kind for the treatment of of dyeing/printing wastewaters and processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110255780A true CN110255780A (en) | 2019-09-20 |
Family
ID=67927789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910666846.1A Pending CN110255780A (en) | 2019-07-23 | 2019-07-23 | A kind for the treatment of of dyeing/printing wastewaters and processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110255780A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980912A (en) * | 2019-12-27 | 2020-04-10 | 张家港三得利染整科技有限公司 | Printing and dyeing wastewater treatment agent and application thereof |
| CN110980913A (en) * | 2019-12-27 | 2020-04-10 | 张家港三得利染整科技有限公司 | Composite flocculant for treating printing and dyeing wastewater and preparation method and application thereof |
| CN112028258A (en) * | 2020-08-26 | 2020-12-04 | 江苏建霖环保科技有限公司 | Water purifying agent for rapid treatment of industrial wastewater and preparation method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117249A (en) * | 2007-07-24 | 2008-02-06 | 广东工业大学 | Method for preparing polymeric ferric boron silicate aluminium magnesium flocculating agent |
| CN103663655A (en) * | 2013-12-17 | 2014-03-26 | 中国林业科学研究院林产化学工业研究所 | Water purifying agent for advanced treatment of pulping, papermaking, printing and dyeing wastewater as well as preparation method of water purifying agent |
| CN103351046B (en) * | 2013-07-31 | 2014-10-29 | 株洲化工集团诚信有限公司 | Wastewater treatment agent, preparation method thereof and wastewater treatment method |
| CN104944541A (en) * | 2014-03-25 | 2015-09-30 | 刘自忠 | Acidic dye wastewater treatment agent |
| CN104984742A (en) * | 2015-07-15 | 2015-10-21 | 江南大学 | Preparation method and application of cellulose-based adsorbent |
| CN105540724A (en) * | 2016-01-25 | 2016-05-04 | 苏州他山石环保科技有限公司 | Novel compound decolorant and wastewater decolorizing treatment method applying same |
| CN105692723A (en) * | 2016-01-22 | 2016-06-22 | 南通海陵环境检测有限公司 | Dyeing waste water treating agent and preparing method thereof |
| KR20160095847A (en) * | 2015-02-04 | 2016-08-12 | 주식회사 대산엔지니어링 | Livestock Sewage Treatment System and Method thereof |
| CN109292933A (en) * | 2018-11-12 | 2019-02-01 | 神美科技有限公司 | It is a kind of for have in sewage treatment oxidation and flocculate complex function COD remover |
| CN109896660A (en) * | 2017-12-08 | 2019-06-18 | 中科协创环境科技江苏有限公司 | A kind of Fenton flocculant and the method for handling dyeing waste water |
-
2019
- 2019-07-23 CN CN201910666846.1A patent/CN110255780A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117249A (en) * | 2007-07-24 | 2008-02-06 | 广东工业大学 | Method for preparing polymeric ferric boron silicate aluminium magnesium flocculating agent |
| CN103351046B (en) * | 2013-07-31 | 2014-10-29 | 株洲化工集团诚信有限公司 | Wastewater treatment agent, preparation method thereof and wastewater treatment method |
| CN103663655A (en) * | 2013-12-17 | 2014-03-26 | 中国林业科学研究院林产化学工业研究所 | Water purifying agent for advanced treatment of pulping, papermaking, printing and dyeing wastewater as well as preparation method of water purifying agent |
| CN104944541A (en) * | 2014-03-25 | 2015-09-30 | 刘自忠 | Acidic dye wastewater treatment agent |
| KR20160095847A (en) * | 2015-02-04 | 2016-08-12 | 주식회사 대산엔지니어링 | Livestock Sewage Treatment System and Method thereof |
| CN104984742A (en) * | 2015-07-15 | 2015-10-21 | 江南大学 | Preparation method and application of cellulose-based adsorbent |
| CN105692723A (en) * | 2016-01-22 | 2016-06-22 | 南通海陵环境检测有限公司 | Dyeing waste water treating agent and preparing method thereof |
| CN105540724A (en) * | 2016-01-25 | 2016-05-04 | 苏州他山石环保科技有限公司 | Novel compound decolorant and wastewater decolorizing treatment method applying same |
| CN109896660A (en) * | 2017-12-08 | 2019-06-18 | 中科协创环境科技江苏有限公司 | A kind of Fenton flocculant and the method for handling dyeing waste water |
| CN109292933A (en) * | 2018-11-12 | 2019-02-01 | 神美科技有限公司 | It is a kind of for have in sewage treatment oxidation and flocculate complex function COD remover |
Non-Patent Citations (1)
| Title |
|---|
| 邱滔等: "絮凝-Fenton氧化混凝法处理退浆废水的研究 ", 《工业水处理》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980912A (en) * | 2019-12-27 | 2020-04-10 | 张家港三得利染整科技有限公司 | Printing and dyeing wastewater treatment agent and application thereof |
| CN110980913A (en) * | 2019-12-27 | 2020-04-10 | 张家港三得利染整科技有限公司 | Composite flocculant for treating printing and dyeing wastewater and preparation method and application thereof |
| CN112028258A (en) * | 2020-08-26 | 2020-12-04 | 江苏建霖环保科技有限公司 | Water purifying agent for rapid treatment of industrial wastewater and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110255780A (en) | A kind for the treatment of of dyeing/printing wastewaters and processing method | |
| CN103708593B (en) | A kind of dyeing and printing sewage treatment agent and preparation method thereof | |
| CN102527347B (en) | Magnetic chitosan/cationic surface active agent modified zeolite adsorbent and preparation method and application thereof | |
| CN104261530A (en) | Dephosphorization flocculating agent and preparation method thereof | |
| CN107047614B (en) | Composite potassium ferrate slow-release disinfectant and preparation method and use method thereof | |
| CN108479700A (en) | A kind of preparation method for Cr VI and the porous carbon composite material of methyl orange eutectoid content | |
| WO2022110089A1 (en) | Waste water treatment composition for printing and dyeing wastewater, and preparation method therefor | |
| CN108816207A (en) | A kind of intercalation load montmorillonite-Lignin-Based Adsorption Material preparation method of adsorbable heavy metal ions in sewage | |
| CN110642343A (en) | Preparation and application of magnetic flocculant for removing suspended particles in water | |
| CN111732169A (en) | Efficient water treatment agent and preparation method and application thereof | |
| CN104368313B (en) | A kind of preparation for dye adsorption strontium ferrite-CMC-GO magnetic adsorbent and application | |
| CN108421536A (en) | A kind of preparation method and application of halloysite nanotubes/polypyrrole compound adsorbent | |
| CN113198222B (en) | Composite material, preparation method thereof and composite filter element | |
| CN108047361B (en) | A kind of Properties of Magnetic Chelating Resins, preparation method and its application in combined pollution water body purification | |
| CN107162219A (en) | A kind of high performance sewage-treating agent and its preparation technology | |
| CN107413305A (en) | Polyaniline diatomite/Fe3 O4The preparation method of Chitosan Composites | |
| CN105148835B (en) | Granular pattern 13X molecular sieves/attapulgite loaded Nanoscale Iron nickel material and preparation method thereof | |
| CN106582561A (en) | Preparation method and application of magnetic chitosan adsorption material | |
| CN105561933A (en) | Preparation method of modified magnetic hydrogel heavy metal ion adsorbent | |
| CN106925219A (en) | A kind of preparation method of magnetic carbon composite adsorbing material | |
| CN110665469A (en) | Modified composite adsorbent and preparation method and application thereof | |
| CN106517467A (en) | Composite polyferric sulfate flocculating agent containing activated carbon and preparation method of composite polyferric sulfate flocculating agent | |
| CN106219781A (en) | A kind of dyeing and printing sewage inorganic agent and preparation method thereof | |
| CN107281998B (en) | Modified magnetic alumina adsorbant and its preparation method and application | |
| CN102872789A (en) | Composite adsorption material for removing selenium ions from natural water and preparation method for adsorption material |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190920 |