CN105152296A - Dyeing wastewater treating agent and manufacturing method thereof - Google Patents
Dyeing wastewater treating agent and manufacturing method thereof Download PDFInfo
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- CN105152296A CN105152296A CN201510588589.6A CN201510588589A CN105152296A CN 105152296 A CN105152296 A CN 105152296A CN 201510588589 A CN201510588589 A CN 201510588589A CN 105152296 A CN105152296 A CN 105152296A
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Abstract
The invention discloses a dyeing wastewater treating agent and a manufacturing method thereof. The dyeing wastewater treating agent is prepared from the following raw materials in parts by mass: 70-100 parts of diatomite, 40-70 parts of attapulgite, 90-120 parts of modified starch, 15-40 parts of acrylamide, 2-10 parts of ferrous sulfate, 20-30 parts of magnesium sulfate, 10-25 parts of meerschaum powder, 10-20 parts of crosslinked rectorite, 0.5-2 parts of polyacrylamide, 20-30 parts of cationic monomer, 0.17-0.21 part of initiator and 0.09-0.1 part of crosslinking agent. The treating agent can perform the flocculating settling purification and disinfection functions on the dyeing wastewater, has the characteristics of wide raw material sources, lower cost and favorable treatment effect, and is convenient for popularization and application.
Description
Technical field
The present invention relates to technical field of sewage, specifically a kind of dyeing and printing sewage treatment agent and preparation method thereof.
Background technology
By sewage source classification, sewage disposal is generally divided into production waste process and sanitary sewage disposal.Production waste comprises industrial sewage, rural sewage and medical sewage, along with the development of the modernization of industry, the trade effluent of discharge also gets more and more, very large impact is brought on the life of environment and the mankind, if sewage processes not in time, not only directly affect Air quality, the quality of tap water, but also can in the physical and mental health of the remote effect mankind.
Printing and dyeing industry water consumption is large, usually every dyeing and printing process 1t textiles water consumption 100-200t, and its 80%-90% discharges with dyeing waste water.Conventional administering method has recycling and harmless treatment.Recycle: (1) waste water can be recycled respectively by water quality characteristics, as bleached the shunting of boiled-off waste water and dyeing and printing waste water, the former can convection current washing.Multi-purpose water, emissions reduction amount; (2) recycle of alkali liquor utilizes, and usually adopts method of evaporation to reclaim, and as alkali lye amount is large, available triple effect evaporation is reclaimed, and alkali lye amount is little, and available thin film evaporation reclaims; (3) dyestuff reclaims, and as acidificable in intellectual circle's dyestuff to become hidden bar sour, in colloidal particle, is suspended in raffinate, recycles after sedimentation and filtration.
Biological process is mainly contained, electrolytic process, chemical method and photocatalytic method in the treatment process of existing process dyeing and printing sewage.Biological process floor space is large, narrow application range, and effect is also undesirable; Although electrolytic process effect is better than biological process, energy consumption is large, Difficulty.Photocatalytic method is owing to can make organism permineralization, there is no secondary pollution and get most of the attention, but photocatalytic method is still effective for precipitation suspended substance, and for reduction COD, the effect of BOD and colourity is unsatisfactory, particularly deodorizing effect is poorer, can bring secondary pollution in addition, can not fundamentally contaminated solution problem.Chemical treatment method is the chemical reagent process pollutent with throwing in, and comprises the reactions such as neutralization, flocculation, redox, and this mode is disposed of sewage comparatively thorough, can reach emission standard after process.Sewage-treating agent is then the main raw material of method of chemical treatment.
Existing dyeing and printing sewage treatment agent exists that processing cost is higher, the shortcoming of secondary pollution, and treatment effect has much room for improvement.
Summary of the invention
The object of the present invention is to provide a kind of had flocculating effect, adsorption effect dyeing and printing sewage treatment agent and preparation method thereof.
For achieving the above object, the invention provides following technical scheme:
A kind of dyeing and printing sewage treatment agent, is made up of following raw material according to mass parts: diatomite 70-100 part, attapulgite 40-70 part, treated starch 90-120 part, acrylamide 15-40 part, ferrous sulfate 2-10 part, magnesium sulfate 20-30 part, sepiolite powder 10-25 part, cross-linked rectorite 10-20 part, polyacrylamide 0.5-2 part, cationic monomer 20-30 part, initiator 0.17-0.21 part, linking agent 0.09-0.1 part.
Further scheme, the raw material of described treated starch is any one in W-Gum, yam starch, tapioca (flour), Starch rice; Described cationic monomer is 3-chloro-2-hydroxypropyl-trimethyl ammonium chloride; Described initiator is manganese pyrophosphate; Described linking agent is any one in phosphorus oxychloride, Trisodium trimetaphosphate, hexanodioic acid, hexametaphosphate;
The preparation method of described treated starch, comprises the following steps:
(1) starch is dissolved in the mixed aqueous solution of 6-8% sodium hydroxide and 3-6% ammoniacal liquor, carries out freeze thawing treatment after stirring 2-3h, then dialyse, lyophilize, for subsequent use;
(2) starch of step 1) being dissolved in concentration is in the sodium hydroxide solution of 6-8%, regulator solution pH value is 10, after stirring, epoxy chloropropane is progressively dripped with starch weight than the ratio for 1.8-2.3ml/g according to the volume of epoxy chloropropane, react 12h in the oil bath pan of 30 DEG C after, cool to room temperature is 7 with salt acid for adjusting pH value; Then use ethanol sedimentation, decompress filter, obtain treated starch crude product; Use deionized water wash twice, 45-55 DEG C of vacuum-drying again, obtain treated starch.
Further scheme, is made up of following raw material according to mass parts: diatomite 80-90 part, attapulgite 50-60 part, treated starch 100-110 part, acrylamide 25-35 part, ferrous sulfate 4-7 part, magnesium sulfate 24-26 part, sepiolite powder 15-20 part, cross-linked rectorite 12-18 part, polyacrylamide 0.8-1.8 part, cationic monomer 22-28 part, initiator 0.18-0.20 part, linking agent 0.09-0.1 part.
Further scheme, is made up of following raw material according to mass parts: 70 parts, diatomite, attapulgite 40 parts, treated starch 90 parts, acrylamide 15 parts, 2 parts, ferrous sulfate, 20 parts, magnesium sulfate, sepiolite powder 10 parts, cross-linked rectorite 10 parts, polyacrylamide 0.5 part, cationic monomer 20 parts, initiator 0.17 part, linking agent 0.09 part.
Further scheme, is made up of following raw material according to mass parts: 100 parts, diatomite, attapulgite 70 parts, treated starch 120 parts, acrylamide 40 parts, 10 parts, ferrous sulfate, 30 parts, magnesium sulfate, sepiolite powder 25 parts, cross-linked rectorite 20 parts, polyacrylamide 2 parts, cationic monomer 30 parts, initiator 0.21 part, linking agent 0.1 part.
Further scheme, is made up of following raw material according to mass parts: 80 parts, diatomite, attapulgite 50 parts, treated starch 100 parts, acrylamide 2 parts, 4 parts, ferrous sulfate, 24 parts, magnesium sulfate, sepiolite powder 15 parts, cross-linked rectorite 12 parts, polyacrylamide 0.8 part, cationic monomer 22 parts, initiator 0.18 part, linking agent 0.09 part.
Further scheme, is made up of following raw material according to mass parts: 90 parts, diatomite, attapulgite 60 parts, treated starch 110 parts, acrylamide 35 parts, 7 parts, ferrous sulfate, 26 parts, magnesium sulfate, sepiolite powder 20 parts, cross-linked rectorite 18 parts, polyacrylamide 1.8 parts, cationic monomer 28 parts, initiator 0.20 part, linking agent 0.1 part.
Further scheme, is made up of following raw material according to mass parts: 85 parts, diatomite, attapulgite 55 parts, treated starch 105 parts, acrylamide 30 parts, 6 parts, ferrous sulfate, 25 parts, magnesium sulfate, sepiolite powder 18 parts, cross-linked rectorite 15 parts, polyacrylamide 1.5 parts, cationic monomer 25 parts, initiator 0.19 part, linking agent 0.1 part.
The making method of above-mentioned dyeing and printing sewage treatment agent, is characterized in that, comprise the following steps:
(1) measure diatomite by weight and attapulgite mixes, add the 0.5-1.5 water slurrying doubly as diatomite and attapulgite quality sum, be crushed to the particle of 5-10mm diameter;
(2) measure ferrous sulfate by weight, magnesium sulfate, sepiolite powder, cross-linked rectorite add pulverizer, be ground into 100 ~ 150 order powders, add polyacrylamide, obtained mixture;
(3) calcine 3-5h under the particle that step (1) is made being placed in 500-550 DEG C of temperature condition, naturally cool to room temperature;
(4) acrylamide is added water be hybridly prepared into the acrylamide solution that mass percent concentration is 15-20%, then treated starch is joined in acrylamide solution, with the speed rapid stirring 3-5h of 300-350r/min under 25-30 DEG C of condition together with the particle that step (3) is obtained simultaneously;
(5) continue to process in the acrylamide solution obtained toward step (4) to add cationic monomer and initiator, by solution warms to 50 DEG C, carry out polyreaction;
(6) reaction to be polymerized terminate after solution temperature naturally cool to 55 DEG C after, add linking agent, and temperature risen to 70 DEG C again, reaction 20-25min obtain mixture;
(7) dry under finally the mixture that step (6) is obtained being placed in 95-105 DEG C of temperature;
(8) mixture obtained with step (6) for step (2) is mixed, obtain dyeing and printing sewage treatment agent.
Further scheme, the calcination time of described step (3) is 4h; The add-on of described step (1) water is 0.7-1 times of diatomite and attapulgite quality sum.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the present invention first with attapulgite and diatomite for raw material mixes, porous particle is prepared through high temperature sintering, increase the bedding void of attapulgite simultaneously, utilize the cation exchange properties of attapulgite and treated starch, the lamellar spacing of attapulgite will be inserted with electropositive ammonium group in acrylamide monomer, propenyl with polymerization activity is placed in environment, as Polymer-supported to the docking point of attapulgite, pass through radical polymerization, by cationic polymerization monomer and anionic polymerizable monomer, be attached on porous attapulgite particle, form the binary copolymerization ionogen be compounded on attapulgite, special construction through cross-linking modified formation can anionic trash in active adsorption dyeing and printing sewage and other pollutents.
(2) dyeing and printing sewage treatment agent of the present invention, composite by above-mentioned raw materials, play coordinative role, can not only sustainable process colourity, dyeing and printing sewage that concentration is all higher, make that the dyeing and printing sewage after process reaches colourless, tasteless, COD value drops to minimum, the water quality after process can utilize by iterative cycles simultaneously.
(3) dyeing and printing sewage treatment agent treatment effect of the present invention is good, stable performance, and sedimentation effect is good, and effluent quality is good, and after adding this medicament in dyeing and printing sewage, fast, oil removal rate can reach more than 90% for suspended substance flocculation, precipitation; Sewage after process can reach emission standard, and Floc strength is high, and hydrophobic performance is good.
(4) production method of dyeing and printing sewage treatment agent of the present invention is easy, invests little, instant effect, non-secondary pollution.
(5) the present invention can carry out the dual function of flocculation sediment purification and sterilization and disinfection to dyeing and printing sewage, thus except the silt in decontaminated water and impurity, can go back and can also remove objectionable impurities, and carrying out sterilization and disinfection; Dyeing and printing sewage treatment agent raw material sources of the present invention are wide, and cost is lower, and treatment effect is good, and efficiency is high, easy to utilize.
Embodiment
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
embodiment 1
In the embodiment of the present invention, a kind of dyeing and printing sewage treatment agent, is made up of following raw material according to mass parts: 70 parts, diatomite, attapulgite 40 parts, treated starch 90 parts, acrylamide 15 parts, 2 parts, ferrous sulfate, 20 parts, magnesium sulfate, sepiolite powder 10 parts, cross-linked rectorite 10 parts, polyacrylamide 0.5 part, cationic monomer 20 parts, initiator 0.17 part, linking agent 0.09 part.Cationic monomer is 3-chloro-2-hydroxypropyl-trimethyl ammonium chloride.Initiator is manganese pyrophosphate.Linking agent is hexametaphosphate.
The preparation method of treated starch, comprises the following steps:
(1) starch is dissolved in the mixed aqueous solution of the sodium hydroxide of 6% and the ammonia soln of 3%, carries out freeze thawing treatment after stirring 2-3h, then dialyse, lyophilize, for subsequent use;
(2) starch of step (1) being dissolved in concentration is in the sodium hydroxide solution of 6%, regulator solution pH value is 10, after stirring, epoxy chloropropane is progressively dripped with starch weight than the ratio for 1.8ml/g according to the volume of epoxy chloropropane, react 12h in the oil bath pan of 30 DEG C after, cool to room temperature is 7 with salt acid for adjusting pH value; Then use ethanol sedimentation, decompress filter, obtain treated starch crude product; Use deionized water wash twice again, 45 DEG C of vacuum-dryings, obtain treated starch.
The making method of above-mentioned dyeing and printing sewage treatment agent, is characterized in that, comprise the following steps:
(1) measure diatomite by weight and attapulgite mixes, add the water slurrying of 0.5 times as diatomite and attapulgite quality sum, be crushed to the particle of 5mm diameter;
(2) measure ferrous sulfate by weight, magnesium sulfate, sepiolite powder, cross-linked rectorite add pulverizer, be ground into 100 order powders, add polyacrylamide, obtained mixture;
(3) calcine 3h under the particle that step (1) is made being placed in 500 DEG C of temperature condition, naturally cool to room temperature;
(4) acrylamide is added water be hybridly prepared into the acrylamide solution that mass percent concentration is 15%, then treated starch is joined in acrylamide solution, with the speed rapid stirring 3h of 300r/min under 25 DEG C of conditions together with the particle that step (3) is obtained simultaneously;
(5) continue to process in the acrylamide solution obtained toward step (4) to add cationic monomer and initiator, by solution warms to 50 DEG C, carry out polyreaction;
(6) reaction to be polymerized terminate after solution temperature naturally cool to 55 DEG C after, add linking agent, and temperature risen to 70 DEG C again, reaction 20min obtain mixture;
(7) dry under finally the mixture that step (6) is obtained being placed in 95 DEG C of temperature;
(8) mixture obtained with step (6) for step (2) is mixed, obtain dyeing and printing sewage treatment agent.
embodiment 2
In the embodiment of the present invention, a kind of dyeing and printing sewage treatment agent, is made up of following raw material according to mass parts: 100 parts, diatomite, attapulgite 70 parts, treated starch 120 parts, acrylamide 40 parts, 10 parts, ferrous sulfate, 30 parts, magnesium sulfate, sepiolite powder 25 parts, cross-linked rectorite 20 parts, polyacrylamide 2 parts, cationic monomer 30 parts, initiator 0.21 part, linking agent 0.1 part.Cationic monomer is 3-chloro-2-hydroxypropyl-trimethyl ammonium chloride.Initiator is manganese pyrophosphate.Linking agent is hexanodioic acid.
The preparation method of treated starch, comprises the following steps:
(1) starch is dissolved in the mixed aqueous solution of the sodium hydroxide of 8% and the ammonia soln of 6%, carries out freeze thawing treatment after stirring 2-3h, then dialyse, lyophilize, for subsequent use;
(2) starch of step (1) being dissolved in concentration is in the sodium hydroxide solution of 8%, regulator solution pH value is 10, after stirring, epoxy chloropropane is progressively dripped with starch weight than the ratio for 2.3ml/g according to the volume of epoxy chloropropane, react 12h in the oil bath pan of 30 DEG C after, cool to room temperature is 7 with salt acid for adjusting pH value; Then use ethanol sedimentation, decompress filter, obtain treated starch crude product; Use deionized water wash twice again, 55 DEG C of vacuum-dryings, obtain treated starch.
The making method of above-mentioned dyeing and printing sewage treatment agent, is characterized in that, comprise the following steps:
(1) measure diatomite by weight and attapulgite mixes, add the water slurrying of 1.5 times as diatomite and attapulgite quality sum, be crushed to the particle of 10mm diameter;
(2) measure ferrous sulfate by weight, magnesium sulfate, sepiolite powder, cross-linked rectorite add pulverizer, be ground into 150 order powders, add polyacrylamide, obtained mixture;
(3) calcine 5h under the particle that step (1) is made being placed in 550 DEG C of temperature condition, naturally cool to room temperature;
(4) acrylamide is added water be hybridly prepared into the acrylamide solution that mass percent concentration is 20%, then treated starch is joined in acrylamide solution, with the speed rapid stirring 5h of 350r/min under 30 DEG C of conditions together with the particle that step (3) is obtained simultaneously;
(5) continue to process in the acrylamide solution obtained toward step (4) to add cationic monomer and initiator, by solution warms to 50 DEG C, carry out polyreaction;
(6) reaction to be polymerized terminate after solution temperature naturally cool to 55 DEG C after, add linking agent, and temperature risen to 70 DEG C again, reaction 25min obtain mixture;
(7) dry under finally the mixture that step (6) is obtained being placed in 105 DEG C of temperature;
(8) mixture obtained with step (6) for step (2) is mixed, obtain dyeing and printing sewage treatment agent.
embodiment 3
In the embodiment of the present invention, a kind of dyeing and printing sewage treatment agent, is made up of following raw material according to mass parts: 80 parts, diatomite, attapulgite 50 parts, treated starch 100 parts, acrylamide 2 parts, 4 parts, ferrous sulfate, 24 parts, magnesium sulfate, sepiolite powder 15 parts, cross-linked rectorite 12 parts, polyacrylamide 0.8 part, cationic monomer 22 parts, initiator 0.18 part, linking agent 0.09 part.Cationic monomer is 3-chloro-2-hydroxypropyl-trimethyl ammonium chloride.Initiator is manganese pyrophosphate.Linking agent is Trisodium trimetaphosphate.
The preparation method of treated starch, comprises the following steps:
(1) starch is dissolved in the mixed aqueous solution of the sodium hydroxide of 6% and the ammonia soln of 4%, carries out freeze thawing treatment after stirring 2h, then dialyse, lyophilize, for subsequent use;
(2) starch of step (1) being dissolved in concentration is in the sodium hydroxide solution of 6%, regulator solution pH value is 10, after stirring, epoxy chloropropane is progressively dripped with starch weight than the ratio for 2.0ml/g according to the volume of epoxy chloropropane, react 12h in the oil bath pan of 30 DEG C after, cool to room temperature is 7 with salt acid for adjusting pH value; Then use ethanol sedimentation, decompress filter, obtain treated starch crude product; Use deionized water wash twice again, 45 DEG C of vacuum-dryings, obtain treated starch.
The making method of above-mentioned dyeing and printing sewage treatment agent, is characterized in that, comprise the following steps:
(1) measure diatomite by weight and attapulgite mixes, add the water slurrying of 0.8 times as diatomite and attapulgite quality sum, be crushed to the particle of 6mm diameter;
(2) measure ferrous sulfate by weight, magnesium sulfate, sepiolite powder, cross-linked rectorite add pulverizer, be ground into 110 order powders, add polyacrylamide, obtained mixture;
(3) calcine 3h under the particle that step (1) is made being placed in 510 DEG C of temperature condition, naturally cool to room temperature;
(4) acrylamide is added water be hybridly prepared into the acrylamide solution that mass percent concentration is 16%, then treated starch is joined in acrylamide solution, with the speed rapid stirring 3h of 310r/min under 25 DEG C of conditions together with the particle that step (3) is obtained simultaneously;
(5) continue to process in the acrylamide solution obtained toward step (4) to add cationic monomer and initiator, by solution warms to 50 DEG C, carry out polyreaction;
(6) reaction to be polymerized terminate after solution temperature naturally cool to 55 DEG C after, add linking agent, and temperature risen to 70 DEG C again, reaction 20min obtain mixture;
(7) dry under finally the mixture that step (6) is obtained being placed in 95 DEG C of temperature;
(8) mixture obtained with step (6) for step (2) is mixed, obtain dyeing and printing sewage treatment agent.
embodiment 4
In the embodiment of the present invention, a kind of dyeing and printing sewage treatment agent, is made up of following raw material according to mass parts: 90 parts, diatomite, attapulgite 60 parts, treated starch 110 parts, acrylamide 35 parts, 7 parts, ferrous sulfate, 26 parts, magnesium sulfate, sepiolite powder 20 parts, cross-linked rectorite 18 parts, polyacrylamide 1.8 parts, cationic monomer 28 parts, initiator 0.20 part, linking agent 0.1 part.Cationic monomer is 3-chloro-2-hydroxypropyl-trimethyl ammonium chloride.Initiator is manganese pyrophosphate.Linking agent is phosphorus oxychloride.
The preparation method of treated starch, comprises the following steps:
(1) starch is dissolved in the mixed aqueous solution of the sodium hydroxide of 8% and the ammonia soln of 5%, carries out freeze thawing treatment after stirring 3h, then dialyse, lyophilize, for subsequent use;
(2) starch of step (1) being dissolved in concentration is in the sodium hydroxide solution of 8%, regulator solution pH value is 10, after stirring, epoxy chloropropane is progressively dripped with starch weight than the ratio for 2.2ml/g according to the volume of epoxy chloropropane, react 12h in the oil bath pan of 30 DEG C after, cool to room temperature is 7 with salt acid for adjusting pH value; Then use ethanol sedimentation, decompress filter, obtain treated starch crude product; Use deionized water wash twice again, 55 DEG C of vacuum-dryings, obtain treated starch.
The making method of above-mentioned dyeing and printing sewage treatment agent, is characterized in that, comprise the following steps:
(1) measure diatomite by weight and attapulgite mixes, add the water slurrying of 1.2 times as diatomite and attapulgite quality sum, be crushed to the particle of 8mm diameter;
(2) measure ferrous sulfate by weight, magnesium sulfate, sepiolite powder, cross-linked rectorite add pulverizer, be ground into 140 order powders, add polyacrylamide, obtained mixture;
(3) calcine 5h under the particle that step (1) is made being placed in 500-540 DEG C of temperature condition, naturally cool to room temperature;
(4) acrylamide is added water be hybridly prepared into the acrylamide solution that mass percent concentration is 18%, then treated starch is joined in acrylamide solution, with the speed rapid stirring 5h of 340r/min under 30 DEG C of conditions together with the particle that step (3) is obtained simultaneously;
(5) continue to process in the acrylamide solution obtained toward step (4) to add cationic monomer and initiator, by solution warms to 50 DEG C, carry out polyreaction;
(6) reaction to be polymerized terminate after solution temperature naturally cool to 55 DEG C after, add linking agent, and temperature risen to 70 DEG C again, reaction 25min obtain mixture;
(7) dry under finally the mixture that step (6) is obtained being placed in 105 DEG C of temperature;
(8) mixture obtained with step (6) for step (2) is mixed, obtain dyeing and printing sewage treatment agent.
embodiment 5
In the embodiment of the present invention, a kind of dyeing and printing sewage treatment agent, is made up of following raw material according to mass parts: 85 parts, diatomite, attapulgite 55 parts, treated starch 105 parts, acrylamide 30 parts, 6 parts, ferrous sulfate, 25 parts, magnesium sulfate, sepiolite powder 18 parts, cross-linked rectorite 15 parts, polyacrylamide 1.5 parts, cationic monomer 25 parts, initiator 0.19 part, linking agent 0.1 part.Cationic monomer is 3-chloro-2-hydroxypropyl-trimethyl ammonium chloride.Initiator is manganese pyrophosphate.Linking agent is hexametaphosphate.
The preparation method of treated starch, comprises the following steps:
(1) starch is dissolved in the mixed aqueous solution of the sodium hydroxide of 7% and the ammonia soln of 5%, carries out freeze thawing treatment after stirring 3h, then dialyse, lyophilize, for subsequent use;
(2) starch of step (1) being dissolved in concentration is in the sodium hydroxide solution of 7%, regulator solution pH value is 10, after stirring, epoxy chloropropane is progressively dripped with starch weight than the ratio for 2.0ml/g according to the volume of epoxy chloropropane, react 12h in the oil bath pan of 30 DEG C after, cool to room temperature is 7 with salt acid for adjusting pH value; Then use ethanol sedimentation, decompress filter, obtain treated starch crude product; Use deionized water wash twice again, 50 DEG C of vacuum-dryings, obtain treated starch.
The making method of above-mentioned dyeing and printing sewage treatment agent, is characterized in that, comprise the following steps:
(1) measure diatomite by weight and attapulgite mixes, add the water slurrying of 1 times as diatomite and attapulgite quality sum, be crushed to the particle of 8mm diameter;
(2) measure ferrous sulfate by weight, magnesium sulfate, sepiolite powder, cross-linked rectorite add pulverizer, be ground into 120 order powders, add polyacrylamide, obtained mixture;
(3) calcine 4h under the particle that step (1) is made being placed in 530 DEG C of temperature condition, naturally cool to room temperature;
(4) acrylamide is added water be hybridly prepared into the acrylamide solution that mass percent concentration is 17%, then treated starch is joined in acrylamide solution, with the speed rapid stirring 4h of 330r/min under-30 DEG C of conditions together with the particle that step (3) is obtained simultaneously;
(5) continue to process in the acrylamide solution obtained toward step (4) to add cationic monomer and initiator, by solution warms to 50 DEG C, carry out polyreaction;
(6) reaction to be polymerized terminate after solution temperature naturally cool to 55 DEG C after, add linking agent, and temperature risen to 70 DEG C again, reaction 25min obtain mixture;
(7) dry under finally the mixture that step (6) is obtained being placed in 100 DEG C of temperature;
(8) mixture obtained with step (6) for step (2) is mixed, obtain dyeing and printing sewage treatment agent.
Dyeing and printing sewage treatment agent prepared by Application Example 1-5 carries out dyeing and printing sewage process, and treatment effect is as follows, unit (mg/L):
| Composition | Input amount | COD | BOD | TOC | SS | NH 3-N | Colourity | Dye strength |
| Dyeing and printing sewage water sample | / | 7039 | 286 | 14.21 | 680 | 145 | >100000 | 9.84 |
| Embodiment 1 | 100 | 85 | 19 | 1.08 | 46 | 16 | 9 | 0.71 |
| Embodiment 2 | 100 | 69 | 18 | 1.06 | 48 | 15 | 6 | 0.68 |
| Embodiment 3 | 100 | 72 | 16 | 0.95 | 51 | 16 | 7 | 0.72 |
| Embodiment 4 | 100 | 76 | 19 | 0.98 | 50 | 14 | 6 | 0.69 |
| Embodiment 5 | 100 | 65 | 13 | 0.84 | 40 | 11 | 5 | 0.61 |
| National standard | GB4287-92I level emission standard | 100 | 25 | / | 70 | 15 | 40 | / |
Embodiment 5 is most preferred embodiment of the present invention.
The present invention first with attapulgite and diatomite for raw material mixes, porous particle is prepared through high temperature sintering, increase the bedding void of attapulgite simultaneously, utilize the cation exchange properties of attapulgite and treated starch, the lamellar spacing of attapulgite will be inserted with electropositive ammonium group in acrylamide monomer, propenyl with polymerization activity is placed in environment, as Polymer-supported to the docking point of attapulgite, pass through radical polymerization, by cationic polymerization monomer and anionic polymerizable monomer, be attached on porous attapulgite particle, form the binary copolymerization ionogen be compounded on attapulgite, special construction through cross-linking modified formation can anionic trash in active adsorption dyeing and printing sewage and other pollutents.
The present invention can carry out the dual function of flocculation sediment purification and sterilization and disinfection to sewage, thus except the silt in decontaminated water and impurity, can go back and can also remove objectionable impurities, and carrying out sterilization and disinfection; Raw material sources of the present invention are wide, and cost is lower, and treatment effect is good, and efficiency is high, easy to utilize.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (10)
1. a dyeing and printing sewage treatment agent, it is characterized in that, be made up of following raw material according to mass parts: diatomite 70-100 part, attapulgite 40-70 part, treated starch 90-120 part, acrylamide 15-40 part, ferrous sulfate 2-10 part, magnesium sulfate 20-30 part, sepiolite powder 10-25 part, cross-linked rectorite 10-20 part, polyacrylamide 0.5-2 part, cationic monomer 20-30 part, initiator 0.17-0.21 part, linking agent 0.09-0.1 part.
2. dyeing and printing sewage treatment agent according to claim 1, is characterized in that: the raw material of described treated starch is any one in W-Gum, yam starch, tapioca (flour), Starch rice; Described cationic monomer is 3-chloro-2-hydroxypropyl-trimethyl ammonium chloride; Described initiator is manganese pyrophosphate; Described linking agent is any one in phosphorus oxychloride, Trisodium trimetaphosphate, hexanodioic acid, hexametaphosphate;
The preparation method of described treated starch, comprises the following steps:
(1) starch is dissolved in the mixed aqueous solution of 6-8% sodium hydroxide and 3-6% ammoniacal liquor, carries out freeze thawing treatment after stirring 2-3h, then dialyse, lyophilize, for subsequent use;
(2) starch of step 1) being dissolved in concentration is in the sodium hydroxide solution of 6-8%, regulator solution pH value is 10, after stirring, epoxy chloropropane is progressively dripped with starch weight than the ratio for 1.8-2.3ml/g according to the volume of epoxy chloropropane, react 12h in the oil bath pan of 30 DEG C after, cool to room temperature is 7 with salt acid for adjusting pH value; Then use ethanol sedimentation, decompress filter, obtain treated starch crude product; Use deionized water wash twice, 45-55 DEG C of vacuum-drying again, obtain treated starch.
3. dyeing and printing sewage treatment agent according to claim 2, it is characterized in that, be made up of following raw material according to mass parts: diatomite 80-90 part, attapulgite 50-60 part, treated starch 100-110 part, acrylamide 25-35 part, ferrous sulfate 4-7 part, magnesium sulfate 24-26 part, sepiolite powder 15-20 part, cross-linked rectorite 12-18 part, polyacrylamide 0.8-1.8 part, cationic monomer 22-28 part, initiator 0.18-0.20 part, linking agent 0.09-0.1 part.
4. dyeing and printing sewage treatment agent according to claim 2, it is characterized in that, be made up of following raw material according to mass parts: 70 parts, diatomite, attapulgite 40 parts, treated starch 90 parts, acrylamide 15 parts, 2 parts, ferrous sulfate, 20 parts, magnesium sulfate, sepiolite powder 10 parts, cross-linked rectorite 10 parts, polyacrylamide 0.5 part, cationic monomer 20 parts, initiator 0.17 part, linking agent 0.09 part.
5. dyeing and printing sewage treatment agent according to claim 2, it is characterized in that, be made up of following raw material according to mass parts: 100 parts, diatomite, attapulgite 70 parts, treated starch 120 parts, acrylamide 40 parts, 10 parts, ferrous sulfate, 30 parts, magnesium sulfate, sepiolite powder 25 parts, cross-linked rectorite 20 parts, polyacrylamide 2 parts, cationic monomer 30 parts, initiator 0.21 part, linking agent 0.1 part.
6. dyeing and printing sewage treatment agent according to claim 3, it is characterized in that, be made up of following raw material according to mass parts: 80 parts, diatomite, attapulgite 50 parts, treated starch 100 parts, acrylamide 2 parts, 4 parts, ferrous sulfate, 24 parts, magnesium sulfate, sepiolite powder 15 parts, cross-linked rectorite 12 parts, polyacrylamide 0.8 part, cationic monomer 22 parts, initiator 0.18 part, linking agent 0.09 part.
7. dyeing and printing sewage treatment agent according to claim 3, it is characterized in that, be made up of following raw material according to mass parts: 90 parts, diatomite, attapulgite 60 parts, treated starch 110 parts, acrylamide 35 parts, 7 parts, ferrous sulfate, 26 parts, magnesium sulfate, sepiolite powder 20 parts, cross-linked rectorite 18 parts, polyacrylamide 1.8 parts, cationic monomer 28 parts, initiator 0.20 part, linking agent 0.1 part.
8. dyeing and printing sewage treatment agent according to claim 3, it is characterized in that, be made up of following raw material according to mass parts: 85 parts, diatomite, attapulgite 55 parts, treated starch 105 parts, acrylamide 30 parts, 6 parts, ferrous sulfate, 25 parts, magnesium sulfate, sepiolite powder 18 parts, cross-linked rectorite 15 parts, polyacrylamide 1.5 parts, cationic monomer 25 parts, initiator 0.19 part, linking agent 0.1 part.
9. a making method for the dyeing and printing sewage treatment agent as described in as arbitrary in claim 1-8, is characterized in that, comprise the following steps:
(1) measure diatomite by weight and attapulgite mixes, add the 0.5-1.5 water slurrying doubly as diatomite and attapulgite quality sum, be crushed to the particle of 5-10mm diameter;
(2) measure ferrous sulfate by weight, magnesium sulfate, sepiolite powder, cross-linked rectorite add pulverizer, be ground into 100 ~ 150 order powders, add polyacrylamide, be worth mixture;
(3) calcine 3-5h under the particle that step (1) is made being placed in 500-550 DEG C of temperature condition, naturally cool to room temperature;
(4) acrylamide is added water be hybridly prepared into the acrylamide solution that mass percent concentration is 15-20%, then treated starch is joined in acrylamide solution, with the speed rapid stirring 3-5h of 300-350r/min under 25-30 DEG C of condition together with the particle that step (3) is obtained simultaneously;
(5) continue to process in the acrylamide solution obtained toward step (4) to add cationic monomer and initiator, by solution warms to 50 DEG C, carry out polyreaction;
(6) reaction to be polymerized terminate after solution temperature naturally cool to 55 DEG C after, add linking agent, and temperature risen to 70 DEG C again, reaction 20-25min obtain mixture;
(7) dry under finally the mixture that step (6) is obtained being placed in 95-105 DEG C of temperature;
(8) mixture obtained with step (6) for step (2) is mixed, obtain dyeing and printing sewage treatment agent.
10. the making method of dyeing and printing sewage treatment agent according to claim 9, is characterized in that, the calcination time of described step (3) is 4h; The add-on of described step (1) water is 0.7-1 times of diatomite and attapulgite quality sum.
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Application publication date: 20151216 |