CN105314722A - Efficient sewage treatment flocculant and preparation method thereof - Google Patents
Efficient sewage treatment flocculant and preparation method thereof Download PDFInfo
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- CN105314722A CN105314722A CN201510777795.1A CN201510777795A CN105314722A CN 105314722 A CN105314722 A CN 105314722A CN 201510777795 A CN201510777795 A CN 201510777795A CN 105314722 A CN105314722 A CN 105314722A
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Abstract
The invention discloses an efficient sewage treatment flocculant which comprises the following raw materials in parts by weight: 100-110 parts of lignin, 70-80 parts of propionaldehyde, 25-30 parts of triethylene tetramine, 32-35 parts of formaldehyde sodium bisulfite addition compound, 600-620 parts of normal propyl alcohol, 10-12 parts of glycidyl trimethyl ammonium chloride, 23-26 parts of poly-ferric aluminum sulfate, 25-28 parts of PPFC, 4-8 parts of aluminium chloride and 22-26 parts of sodium polystyrene sulfonate. The invention further discloses a preparation method of the efficient sewage treatment flocculant. The efficient sewage treatment flocculant obtained through the preparation method is excellent in flocculating performance and heavy metal removal effect and can prevent scaling.
Description
Technical field
The present invention relates to technical field of sewage, particularly relate to a kind of efficient sewage treatment flocculant and preparation method thereof.
Background technology
Normal containing heavy metal ion or its complex ions such as copper, nickel, lead in trade effluent.This kind of heavy metal ion or its complex ion stable in properties under physical environment, can accumulate in vivo, have chronic toxicity, if can not deal carefully with, can produce agriculture fishery etc. and have a strong impact on, and be detrimental to health, heavy metal contamination is one of Tough questions of facing of China's water surrounding.
At present, sewage work adopt process trade effluent flocculation agent flocculation and precipitation time all long, and the cost of complex manufacturing, product is high, and it is better for the removal effect of the materials such as biostats, organic pollutant, nitrogen, phosphorus, and poor for the removal effect of the heavy metal contaminants in sewage, and easily cause fouling.
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes a kind of efficient sewage treatment flocculant and preparation method thereof, gained flocculation agent flocculating property is good, and removing heavy metals is effective, and can stop fouling.
A kind of efficient sewage treatment flocculant that the present invention proposes, its raw material comprises by weight: 100 ~ 110 parts, xylogen, propionic aldehyde 70 ~ 80 parts, triethylene tetramine 25 ~ 30 parts, sodium hydroxymethane sulfonate 32 ~ 35 parts, n-propyl alcohol 600 ~ 620 parts, 2,3-epoxypropyltrimethylchloride chloride 10 ~ 12 parts, PAFS 23 ~ 26 parts, poly-25 ~ 28 parts, phosphorus iron(ic) chloride, 4 ~ 8 parts, aluminum chloride, sodium polystyrene sulfonate 22 ~ 26 parts.
Preferably, the weight ratio of xylogen, triethylene tetramine and sodium hydroxymethane sulfonate is 102 ~ 106:26 ~ 28:33 ~ 34.
Preferably, the weight ratio of xylogen and 2,3-epoxypropyltrimethylchloride chloride is 102 ~ 106:10.5 ~ 11.
Preferably, the weight ratio of xylogen, PAFS, poly-phosphorus iron(ic) chloride, aluminum chloride, sodium polystyrene sulfonate is 102 ~ 106:24 ~ 25:26 ~ 27:5 ~ 6:23 ~ 25.
The preparation method of the above-mentioned efficient sewage treatment flocculant that the present invention also proposes, comprises the steps:
S1, by after xylogen and water mixing, regulate pH to 10, then add propionic aldehyde and stir, then add triethylene tetramine, heat up, insulation obtains the first material;
S2, add sodium hydroxymethane sulfonate carry out sulfonation reaction in the first material, filter, drying obtains the second material;
S3, add in n-propyl alcohol mix in the second material, heat up, insulation, then add 2,3-epoxypropyltrimethylchloride chloride, regulate pH to 10, then carry out supersound process, washing, drying obtains 3 material;
S4,3 material, PAFS, poly-phosphorus iron(ic) chloride, aluminum chloride, sodium polystyrene sulfonate are mixed to get efficient sewage treatment flocculant.
Preferably, in S1, the time of stirring is 1.5 ~ 2.5h, and the speed of stirring is 150 ~ 180rpm.
Preferably, in S1, be warming up to 95 ~ 98 DEG C, insulation 2.5 ~ 2.8h.
Preferably, in S2, the temperature of sulfonation reaction is 97 ~ 100 DEG C, insulation 2.2 ~ 2.5h.
Preferably, in S3, be warming up to 50 ~ 53 DEG C, insulation 1.5 ~ 1.8h.
Preferably, in S3, the time of supersound process is 12 ~ 16min, and the frequency of supersound process is 55 ~ 58kHz, and the power of supersound process is 350 ~ 450w.
The present invention utilizes the phenolic hydroxyl group on lignin molecule and alpha-carbon atom thereof to have stronger reactive behavior, Mannich can be there is with aldehydes, triethylene tetramine to react and generate lignin amine, the triethylene tetramine with chelated metal ions function is grafted on the long-chain of xylogen, thus improves the ability of heavy metals removal further; Then the surfactivity that sulfomethylation improves lignin amine is carried out; Then be that etherifying agent carries out with 2,3-epoxypropyltrimethylchloride chloride etherification modified, introduce carboxyl, hydroxyl and NR on sulfomethylation xylogen surface
4 +, improve cationic exchange capacity, while increase branch lengths, its relative molecular mass also increases thereupon, strengthen adsorption bridging ability, flocculating effect strengthens thereupon, and due to the increase of carboxyl, sequestering action can be there is better in heavy metal ion with it, replace proton on its carboxyl and form water-insoluble compound, thus precipitate, and along with the rising of pH value, the negative potential on xylogen surface also increases thereupon, is conducive to and metal cation coordination and chelating; Carrying out supersound process again makes active functional group content increase, further raising surfactivity of the present invention, and etherification modified after xylogen there is hydrophobic grouping and hydrophilic radical simultaneously, wherein hydrophilic radical has stronger adsorption, scale particles in water can be adsorbed on the surface, hydrophobic grouping then arranges outwardly, incrustation scale surface particles surface is wrapped up, hydrophobic grouping band identical charges outwardly, electrostatic repulsion effect can make particle mutually be scattered in the aqueous solution, so just can reduce incrusted deposit, thus reach the object of scale inhibition.
Because inorganic macromolecule flocculant poly aluminium iron sulfate, poly-phosphorus iron(ic) chloride, aluminum chloride discharge Al by hydrolysis
3+, Fe
3+complexing group further enhancing flocculation agent positive surface charge, electrical counteract and adsorption bridging effect can be played simultaneously, make 3 material and PAFS, poly-phosphorus iron(ic) chloride, aluminum chloride with the use of, considerably enhance the removal efficiency of etherificate xylogen heavy metal, also compensate for the feature of the present invention to solution ph tolerance difference adding of inorganic polymer flocculant simultaneously, widen the pH value scope of application of the present invention in practice, and 3 material and sodium polystyrene sulfonate coordinate as polymeric flocculant, further reinforcement flocculating property of the present invention, 3 material and sodium polystyrene sulfonate also can to Al simultaneously
3+, Fe
3+residually serve good restraining effect, far below during single use inorganic polymer flocculant cause the residual of metal ion.
Embodiment
Below, by specific embodiment, technical scheme of the present invention is described in detail.
Embodiment 1
A kind of efficient sewage treatment flocculant that the present invention proposes, its raw material comprises by weight: 100 parts, xylogen, propionic aldehyde 80 parts, triethylene tetramine 25 parts, sodium hydroxymethane sulfonate 35 parts, n-propyl alcohol 600 parts, 2,3-epoxypropyltrimethylchloride chloride 12 parts, PAFS 23 parts, poly-28 parts, phosphorus iron(ic) chloride, 4 parts, aluminum chloride, sodium polystyrene sulfonate 26 parts.
The preparation method of the above-mentioned efficient sewage treatment flocculant that the present invention also proposes, comprises the steps:
S1, by after xylogen and water mixing, regulate pH to 10, then add propionic aldehyde and stir, the time of stirring is 1.5h, and the speed of stirring is 180rpm, then adds triethylene tetramine, is warming up to 95 DEG C, and insulation 2.8h obtains the first material;
S2, add sodium hydroxymethane sulfonate carry out sulfonation reaction in the first material, the temperature of sulfonation reaction is 97 DEG C, insulation 2.5h, and filter, drying obtains the second material;
S3, add in n-propyl alcohol in the second material and mix, be warming up to 50 DEG C, insulation 1.8h, then add 2,3-epoxypropyltrimethylchloride chloride, regulate pH to 10, then carry out supersound process, the time of supersound process is 12min, the frequency of supersound process is 58kHz, the power of supersound process is 350w, washing, and drying obtains 3 material;
S4,3 material, PAFS, poly-phosphorus iron(ic) chloride, aluminum chloride, sodium polystyrene sulfonate are mixed to get efficient sewage treatment flocculant.
Embodiment 2
A kind of efficient sewage treatment flocculant that the present invention proposes, its raw material comprises by weight: 110 parts, xylogen, propionic aldehyde 70 parts, triethylene tetramine 30 parts, sodium hydroxymethane sulfonate 32 parts, n-propyl alcohol 620 parts, 2,3-epoxypropyltrimethylchloride chloride 10 parts, PAFS 26 parts, poly-25 parts, phosphorus iron(ic) chloride, 8 parts, aluminum chloride, sodium polystyrene sulfonate 22 parts.
The preparation method of the above-mentioned efficient sewage treatment flocculant that the present invention also proposes, comprises the steps:
S1, by after xylogen and water mixing, regulate pH to 10, then add propionic aldehyde and stir, the time of stirring is 2.5h, and the speed of stirring is 150rpm, then adds triethylene tetramine, is warming up to 98 DEG C, and insulation 2.5h obtains the first material;
S2, add sodium hydroxymethane sulfonate carry out sulfonation reaction in the first material, the temperature of sulfonation reaction is 100 DEG C, insulation 2.2h, and filter, drying obtains the second material;
S3, add in n-propyl alcohol in the second material and mix, be warming up to 53 DEG C, insulation 1.5h, then add 2,3-epoxypropyltrimethylchloride chloride, regulate pH to 10, then carry out supersound process, the time of supersound process is 16min, the frequency of supersound process is 55kHz, the power of supersound process is 450w, washing, and drying obtains 3 material;
S4,3 material, PAFS, poly-phosphorus iron(ic) chloride, aluminum chloride, sodium polystyrene sulfonate are mixed to get efficient sewage treatment flocculant.
Embodiment 3
A kind of efficient sewage treatment flocculant that the present invention proposes, its raw material comprises by weight: 102 parts, xylogen, propionic aldehyde 77 parts, triethylene tetramine 26 parts, sodium hydroxymethane sulfonate 34 parts, n-propyl alcohol 605 parts, 2,3-epoxypropyltrimethylchloride chloride 11 parts, PAFS 24 parts, poly-27 parts, phosphorus iron(ic) chloride, 5 parts, aluminum chloride, sodium polystyrene sulfonate 25 parts.
The preparation method of the above-mentioned efficient sewage treatment flocculant that the present invention also proposes, comprises the steps:
S1, by after xylogen and water mixing, regulate pH to 10, then add propionic aldehyde and stir, the time of stirring is 1.8h, and the speed of stirring is 170rpm, then adds triethylene tetramine, is warming up to 96 DEG C, and insulation 2.7h obtains the first material;
S2, add sodium hydroxymethane sulfonate carry out sulfonation reaction in the first material, the temperature of sulfonation reaction is 98 DEG C, insulation 2.4h, and filter, drying obtains the second material;
S3, add in n-propyl alcohol in the second material and mix, be warming up to 51 DEG C, insulation 1.7h, then add 2,3-epoxypropyltrimethylchloride chloride, regulate pH to 10, then carry out supersound process, the time of supersound process is 13min, the frequency of supersound process is 57kHz, the power of supersound process is 380w, washing, and drying obtains 3 material;
S4,3 material, PAFS, poly-phosphorus iron(ic) chloride, aluminum chloride, sodium polystyrene sulfonate are mixed to get efficient sewage treatment flocculant.
Embodiment 4
A kind of efficient sewage treatment flocculant that the present invention proposes, its raw material comprises by weight: 106 parts, xylogen, propionic aldehyde 73 parts, triethylene tetramine 28 parts, sodium hydroxymethane sulfonate 33 parts, n-propyl alcohol 615 parts, 2,3-epoxypropyltrimethylchloride chloride 10.5 parts, PAFS 25 parts, poly-26 parts, phosphorus iron(ic) chloride, 6 parts, aluminum chloride, sodium polystyrene sulfonate 23 parts.
The preparation method of the above-mentioned efficient sewage treatment flocculant that the present invention also proposes, comprises the steps:
S1, by after xylogen and water mixing, regulate pH to 10, then add propionic aldehyde and stir, the time of stirring is 2.2h, and the speed of stirring is 160rpm, then adds triethylene tetramine, is warming up to 97 DEG C, and insulation 2.6h obtains the first material;
S2, add sodium hydroxymethane sulfonate carry out sulfonation reaction in the first material, the temperature of sulfonation reaction is 99 DEG C, insulation 2.3h, and filter, drying obtains the second material;
S3, add in n-propyl alcohol in the second material and mix, be warming up to 52 DEG C, insulation 1.6h, then add 2,3-epoxypropyltrimethylchloride chloride, regulate pH to 10, then carry out supersound process, the time of supersound process is 15min, the frequency of supersound process is 56kHz, the power of supersound process is 420w, washing, and drying obtains 3 material;
S4,3 material, PAFS, poly-phosphorus iron(ic) chloride, aluminum chloride, sodium polystyrene sulfonate are mixed to get efficient sewage treatment flocculant.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (10)
1. an efficient sewage treatment flocculant, is characterized in that, its raw material comprises by weight: 100 ~ 110 parts, xylogen, propionic aldehyde 70 ~ 80 parts, triethylene tetramine 25 ~ 30 parts, sodium hydroxymethane sulfonate 32 ~ 35 parts, n-propyl alcohol 600 ~ 620 parts, 2,3-epoxypropyltrimethylchloride chloride 10 ~ 12 parts, PAFS 23 ~ 26 parts, poly-25 ~ 28 parts, phosphorus iron(ic) chloride, 4 ~ 8 parts, aluminum chloride, sodium polystyrene sulfonate 22 ~ 26 parts.
2. efficient sewage treatment flocculant according to claim 1, it is characterized in that, the weight ratio of xylogen, triethylene tetramine and sodium hydroxymethane sulfonate is 102 ~ 106:26 ~ 28:33 ~ 34.
3. efficient sewage treatment flocculant according to claim 1 or 2, is characterized in that, the weight ratio of xylogen and 2,3-epoxypropyltrimethylchloride chloride is 102 ~ 106:10.5 ~ 11.
4. efficient sewage treatment flocculant according to any one of claim 1-3, it is characterized in that, the weight ratio of xylogen, PAFS, poly-phosphorus iron(ic) chloride, aluminum chloride, sodium polystyrene sulfonate is 102 ~ 106:24 ~ 25:26 ~ 27:5 ~ 6:23 ~ 25.
5. the preparation method of efficient sewage treatment flocculant as described in any one of claim 1-4, is characterized in that, comprise the steps:
S1, by after xylogen and water mixing, regulate pH to 10, then add propionic aldehyde and stir, then add triethylene tetramine, heat up, insulation obtains the first material;
S2, add sodium hydroxymethane sulfonate carry out sulfonation reaction in the first material, filter, drying obtains the second material;
S3, add in n-propyl alcohol mix in the second material, heat up, insulation, then add 2,3-epoxypropyltrimethylchloride chloride, regulate pH to 10, then carry out supersound process, washing, drying obtains 3 material;
S4,3 material, PAFS, poly-phosphorus iron(ic) chloride, aluminum chloride, sodium polystyrene sulfonate are mixed to get efficient sewage treatment flocculant.
6. the preparation method of efficient sewage treatment flocculant according to claim 5, it is characterized in that, in S1, the time of stirring is 1.5 ~ 2.5h, and the speed of stirring is 150 ~ 180rpm.
7. the preparation method of efficient sewage treatment flocculant according to claim 5 or 6, is characterized in that, in S1, be warming up to 95 ~ 98 DEG C, insulation 2.5 ~ 2.8h.
8. the preparation method of efficient sewage treatment flocculant according to any one of claim 5-7, it is characterized in that, in S2, the temperature of sulfonation reaction is 97 ~ 100 DEG C, insulation 2.2 ~ 2.5h.
9. the preparation method of efficient sewage treatment flocculant according to any one of claim 5-8, is characterized in that, in S3, be warming up to 50 ~ 53 DEG C, insulation 1.5 ~ 1.8h.
10. the preparation method of efficient sewage treatment flocculant according to any one of claim 5-9, it is characterized in that, in S3, the time of supersound process is 12 ~ 16min, and the frequency of supersound process is 55 ~ 58kHz, and the power of supersound process is 350 ~ 450w.
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| CN108455713A (en) * | 2018-03-19 | 2018-08-28 | 南阳中昊科技有限公司 | A kind of novel wastepaper deinking waste water flocculant and preparation method thereof |
| CN110028143A (en) * | 2019-03-25 | 2019-07-19 | 爱环吴世（苏州）环保股份有限公司 | A kind of preparation method of environmentally friendly functional Amphiphatic high polymer coagulant |
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| CN103641224A (en) * | 2013-12-11 | 2014-03-19 | 山东华亚环保科技有限公司 | Flocculating agent used for slaughter wastewater |
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| CN102786122A (en) * | 2011-05-17 | 2012-11-21 | 江苏南天絮凝剂有限公司 | Flocculant |
| CN104649395A (en) * | 2013-11-19 | 2015-05-27 | 青岛水世界环保科技有限公司 | An efficient flocculant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108455713A (en) * | 2018-03-19 | 2018-08-28 | 南阳中昊科技有限公司 | A kind of novel wastepaper deinking waste water flocculant and preparation method thereof |
| CN108455713B (en) * | 2018-03-19 | 2021-06-04 | 南阳中昊科技有限公司 | Waste paper deinking wastewater flocculant and preparation method thereof |
| CN110028143A (en) * | 2019-03-25 | 2019-07-19 | 爱环吴世（苏州）环保股份有限公司 | A kind of preparation method of environmentally friendly functional Amphiphatic high polymer coagulant |
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