CN105064006A - Modified sawdust-honeycomb stone micro powder doped polylactic acid-polypropylene biological membrane composite fiber carrier material and preparation method thereof - Google Patents
Modified sawdust-honeycomb stone micro powder doped polylactic acid-polypropylene biological membrane composite fiber carrier material and preparation method thereof Download PDFInfo
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- CN105064006A CN105064006A CN201510436526.9A CN201510436526A CN105064006A CN 105064006 A CN105064006 A CN 105064006A CN 201510436526 A CN201510436526 A CN 201510436526A CN 105064006 A CN105064006 A CN 105064006A
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- 239000000835 fiber Substances 0.000 title claims abstract description 26
- 239000004575 stone Substances 0.000 title claims abstract description 25
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 239000012876 carrier material Substances 0.000 title claims abstract description 21
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 16
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000843 powder Substances 0.000 title claims description 7
- 239000012528 membrane Substances 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 14
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- -1 polypropylene Polymers 0.000 claims abstract description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 16
- 229910052710 silicon Inorganic materials 0.000 claims description 16
- 239000010703 silicon Substances 0.000 claims description 16
- 239000003595 mist Substances 0.000 claims description 9
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 241000289297 Tectus Species 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000012286 potassium permanganate Substances 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- 229920002261 Corn starch Polymers 0.000 claims description 3
- 102000002322 Egg Proteins Human genes 0.000 claims description 3
- 108010000912 Egg Proteins Proteins 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 238000007605 air drying Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000008120 corn starch Substances 0.000 claims description 3
- 229940099112 cornstarch Drugs 0.000 claims description 3
- 210000003278 egg shell Anatomy 0.000 claims description 3
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims description 3
- 239000000706 filtrate Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 235000012054 meals Nutrition 0.000 claims description 3
- 239000004750 melt-blown nonwoven Substances 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 235000012424 soybean oil Nutrition 0.000 claims description 3
- 239000003549 soybean oil Substances 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 244000005700 microbiome Species 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract description 5
- 238000001179 sorption measurement Methods 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 239000000945 filler Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 238000006731 degradation reaction Methods 0.000 abstract description 2
- 238000005054 agglomeration Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- 238000012258 culturing Methods 0.000 abstract 1
- 229920000747 poly(lactic acid) Polymers 0.000 abstract 1
- 239000004626 polylactic acid Substances 0.000 abstract 1
- 239000002861 polymer material Substances 0.000 abstract 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000005335 volcanic glass Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 208000034530 PLAA-associated neurodevelopmental disease Diseases 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- CCEKAJIANROZEO-UHFFFAOYSA-N sulfluramid Chemical group CCNS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CCEKAJIANROZEO-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention relates to a biomembrane carrier material, in particular to a polylactic acid-polypropylene biomembrane composite fiber carrier material doped with modified sawdust-honeycomb stone micropowder and a preparation method thereof, the invention mixes the traditional simple inorganic and organic carrier media for use, widens the application range of the material, the fiber filament prepared by high polymer materials such as polypropylene, polylactic acid and the like has better compatibility with microorganisms, the modified sawdust and the honeycomb stone micropowder mixed in the fiber filament have even and efficient adsorption capacity and higher degradation capacity to pollutants, and the fiber bundle can be adhered with a carbon source in the fiber after being soaked in composite silica sol to accelerate the growth of the microorganisms, the composite fiber carrier material prepared by the invention has light weight, large specific surface area, rich carbon source, is suitable for biofilm culturing of the microorganisms, and the filler prepared by the composite fiber carrier material has good fluidity, the water quality purification device has the advantages of difficult agglomeration, long-acting durability, stable performance and the like, and further improves the water quality purification effect.
Description
Technical field
The present invention relates to a kind of biofilm carrier material, PLA-polypropylene biomembrane composite fibre carrier material being specifically related to a kind of doping vario-property sawdust-honeycomb stone micro mist and preparation method thereof.
Background technology
Biomembrane wastewater processing technology Microorganism incubation is formed on carrier biomembrane to make the pollutant in waste water obtain the technology of degrading, therefore, the performance of biofilm carrier directly will have influence on sewage treating efficiency, want to obtain efficient water treatment efficiency, suitable efficient carrier material is selected to seem particularly important, the carrier material mainly polyethylene that current application is more, polystyrene, polyamide, macromolecule flexible material and the active carbons such as polypropylene, slag, the mineral-type fillers such as lime stone, but these materials are at biocompatibility, stability, persistence, reproducibility, there are some defects in the aspects such as mobility and biomembrane tack, govern the further lifting of clean-up effect.
Honeycomb stone, real name foam is a kind of effusive rock in igneous rock material, primarily of volcanic glass, mineral composition.During volcano eruption, a large amount of volcanic gases produced in magma form foam, and foam cooling subsequently, gas " is sealed up for safekeeping " in honeycomb stone.Bubble in honeycomb stone accounts for more than 70% of rock cumulative volume, only has very thin volcanic glass and mineral between bubble, on thus can bubbling through the water column.Honeycomb stone has unique air hole structure and good adsorption capacity, to the organic and inorganic pollution in the aqueous solution, all there is stronger adsorption capacity, it is also used to make biomembrane and enzyme preparation carrier, show up prominently at sewage treatment area, but due to the difference of storeroom, its physical property and chemical composition all have larger change, and absorption boundary condition and adsorption capacity also can be different, and and then affect its carrier surface forming biofilm property and effects of purification quality.
Summary of the invention
The object of the invention is to, for the shortcoming of existing biofilms carrier material, prepare the PLA-polypropylene biomembrane composite fibre carrier material of a kind of novel doping vario-property sawdust-honeycomb stone micro mist, to obtain good microorganism colonization and effects of purification quality.
To achieve these goals, the technical solution used in the present invention is as follows:
PLA-polypropylene biomembrane composite fibre carrier material of doping vario-property sawdust-honeycomb stone micro mist, is characterized in that: described carrier material is made up of the raw material of following weight portion: honeycomb stone 6-8, sawdust 2-3, potassium permanganate 0.01-0.02, PLA 12-18, cornstarch 3-5, polypropylene 30-40,200-300 order egg-shell meal 2-3, epoxidized soybean oil 1-2, ethylene-acrylic acid copolymer 10-14, lauryl sodium sulfate 0.1-0.2, sodium humate 0.3-0.5, comprehensive silicon colloidal sol are appropriate, water 20-30;
Described comprehensive silicon colloidal sol is made up of the raw material of following weight portion: solid content is Ludox 12-16, oxyamyli tectus aldehydum 5-8, the water 30-35 of 30-35%, preparation method is: oxyamyli tectus aldehydum being dropped into temperature is in the water of 40-50 DEG C, be stirred to after it dissolves completely, add Ludox, insulated and stirred 2-3h, obtains comprehensive silicon colloidal sol.
The preparation method of above-mentioned material comprises following steps:
(1) first honeycomb stone is broken for 50-100 order; Again it is dropped into together with sawdust in the solution prepared by lauryl sodium sulfate, sodium humate, potassium permanganate and water, after stirring, mixed material is heated to 50-60 DEG C, and be 60-100W ultrasonic echography process 4-5h with power, process terminates rear filtration, filtrate clean water 2-3 post-drying, obtains modification sawdust, honeycomb stone composite micro-powder is for subsequent use;
(2) composite micro-powder prepared by other leftover materials except comprehensive silicon colloidal sol and step (1) is mixed, send into batch mixing in double screw extruder, extrude under 230-250 DEG C of condition and make compound slice, drop into melt-spraying spinning in melt-blown non-woven equipment after slice cooling, be compiled into after the solidification of gained filament and make the bundle of composite fibers that diameter is 1-2mm;
(3) fibre bundle of step (2) gained is immersed in comprehensive silicon colloidal sol, take out after soaking 12-16h, after heated-air drying, be cooled to room temperature, use clean water 1-2 rear drying subsequently again, remove moisture completely, to obtain final product.
Beneficial effect of the present invention:
The present invention is by simple for tradition inorganic, organic carrier medium is used in combination, by both advantages, widen the scope of application of material greatly, with polypropylene, the filament of the Polymer materialspreparations such as PLA and the compatibility of microorganism better, hydrophilic environmental protection, the modification sawdust of blending in filament and honeycomb stone micro mist possess the adsorption capacity of uniform high-efficiency, higher to the degradation capability of pollutant, obtained fibre bundle can adhere to carbon source in the fibre after immersion treatment in comprehensive silicon colloidal sol, accelerate microbial growth, the composite fibre carrier material that the present invention prepares is lightweight, specific area is large, be rich in carbon source, be applicable to microorganism colonization, with the filler that it makes, there is good fluidity, not easily conglomeration, long-acting durable, steady performance, improve effects of purification quality further.
Detailed description of the invention
Embodiment
Below with reference to embodiment, the present invention will be further described.
PLA-polypropylene biomembrane composite fibre carrier material of doping vario-property sawdust-honeycomb stone micro mist, is characterized in that: described carrier material material is made up of the raw material of following weight portion: honeycomb stone 7, sawdust 2, potassium permanganate 0.01, PLA 16, cornstarch 4, polypropylene 32,300 order egg-shell meal 2.8, epoxidized soybean oil 1.8, ethylene-acrylic acid copolymer 12, lauryl sodium sulfate 0.2, sodium humate 0.4, comprehensive silicon colloidal sol are appropriate, water 25;
Wherein comprehensive silicon colloidal sol is made up of the raw material of following weight portion: solid content is Ludox 15, oxyamyli tectus aldehydum 7, the water 35 of 30%, preparation method is: oxyamyli tectus aldehydum being dropped into temperature is in the water of 40-50 DEG C, be stirred to after it dissolves completely, add Ludox, insulated and stirred 3h, obtains comprehensive silicon colloidal sol.
The preparation method of above-mentioned material comprises following steps:
(1) first honeycomb stone is broken for 50 orders, again it is dropped into together with sawdust in the solution prepared by lauryl sodium sulfate, sodium humate, potassium permanganate and water, after stirring, mixed material is heated to 50-60 DEG C, and be 100W ultrasonic echography process 4.5h with power, process terminates rear filtration, filtrate clean water 3 post-dryings, obtain modification sawdust, honeycomb stone composite micro-powder are for subsequent use;
(2) composite micro-powder prepared by other leftover materials except comprehensive silicon colloidal sol and step (1) is mixed, send into batch mixing in double screw extruder, extrude under 250 DEG C of conditions and make compound slice, drop into melt-spraying spinning in melt-blown non-woven equipment after slice cooling, be compiled into after the solidification of gained filament and make the bundle of composite fibers that diameter is 2mm;
(3) fibre bundle of step (2) gained is immersed in comprehensive silicon colloidal sol, take out after soaking 12h, after heated-air drying, be cooled to room temperature, dry after using clean water 2 times subsequently again, remove moisture completely, to obtain final product.
The fibre bundle specific area prepared is 6450m
2/ m
3, in 10-24 hour, realize biomembrane set, within 10-12 days, inner film thickness can reach 6-8mm, the average magnitude of its perphyton dry film reaches 3.8g/g, and it reaches 92.5% to COD clearance in sewage, and ammonia nitrogen removal frank reaches 90.8%, nitrogen removal rate reaches 84.3%, and average life is 5-6.
Claims (3)
1. PLA-polypropylene biomembrane composite fibre carrier material of doping vario-property sawdust-honeycomb stone micro mist, is characterized in that: described carrier material is made up of the raw material of following weight portion: honeycomb stone 6-8, sawdust 2-3, potassium permanganate 0.01-0.02, PLA 12-18, cornstarch 3-5, polypropylene 30-40,200-300 order egg-shell meal 2-3, epoxidized soybean oil 1-2, ethylene-acrylic acid copolymer 10-14, lauryl sodium sulfate 0.1-0.2, sodium humate 0.3-0.5, comprehensive silicon colloidal sol are appropriate, water 20-30.
2. PLA-polypropylene biomembrane composite fibre the carrier material of doping vario-property sawdust-honeycomb stone micro mist, it is characterized in that, described comprehensive silicon colloidal sol forms by the raw material of following weight portion is composite: solid content is Ludox 12-16, oxyamyli tectus aldehydum 5-8, the water 30-35 of 30-35%, preparation method is: oxyamyli tectus aldehydum being dropped into temperature is in the water of 40-50 DEG C, be stirred to after it dissolves completely, add Ludox, insulated and stirred 2-3h, obtain comprehensive silicon colloidal sol.
3. the preparation method of the PLA-polypropylene biomembrane composite fibre carrier material of a kind of doping vario-property sawdust-honeycomb stone micro mist as claimed in claim 1 or 2, is characterized in that, comprise following steps:
(1) first honeycomb stone is broken for 50-100 order; Again it is dropped into together with sawdust in the solution prepared by lauryl sodium sulfate, sodium humate, potassium permanganate and water, after stirring, mixed material is heated to 50-60 DEG C, and be 60-100W ultrasonic echography process 4-5h with power, process terminates rear filtration, filtrate clean water 2-3 post-drying, obtains modification sawdust, honeycomb stone composite micro-powder is for subsequent use;
(2) composite micro-powder prepared by other leftover materials except comprehensive silicon colloidal sol and step (1) is mixed, send into batch mixing in double screw extruder, extrude under 230-250 DEG C of condition and make compound slice, drop into melt-spraying spinning in melt-blown non-woven equipment after slice cooling, be compiled into after the solidification of gained filament and make the bundle of composite fibers that diameter is 1-2mm;
(3) fibre bundle of step (2) gained is immersed in comprehensive silicon colloidal sol, take out after soaking 12-16h, after heated-air drying, be cooled to room temperature, use clean water 1-2 rear drying subsequently again, remove moisture completely, to obtain final product.
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CN201510436526.9A CN105064006A (en) | 2015-07-23 | 2015-07-23 | Modified sawdust-honeycomb stone micro powder doped polylactic acid-polypropylene biological membrane composite fiber carrier material and preparation method thereof |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107841828A (en) * | 2016-09-20 | 2018-03-27 | 河南智联寰宇知识产权运营有限公司 | Polylactic acid poly ethene compound bio membrane carrier materials and preparation method thereof |
CN107841806A (en) * | 2016-09-20 | 2018-03-27 | 河南智联寰宇知识产权运营有限公司 | Flexible polylactic acid composite biological membrane carrier materials and preparation method thereof |
CN109249507A (en) * | 2018-09-27 | 2019-01-22 | 佛山齐安建筑科技有限公司 | A kind of preparation method of core material of vacuum heat insulation plate |
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CN101341025A (en) * | 2006-01-13 | 2009-01-07 | Nbc株式会社 | Composite material having antifouling property |
CN202688079U (en) * | 2012-02-08 | 2013-01-23 | 河北益生环保科技有限公司 | Spherical pumice filling material |
CN103387285A (en) * | 2012-05-11 | 2013-11-13 | 宁波天安生物材料有限公司 | Water treatment composite material |
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2015
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CN101341025A (en) * | 2006-01-13 | 2009-01-07 | Nbc株式会社 | Composite material having antifouling property |
CN202688079U (en) * | 2012-02-08 | 2013-01-23 | 河北益生环保科技有限公司 | Spherical pumice filling material |
CN103387285A (en) * | 2012-05-11 | 2013-11-13 | 宁波天安生物材料有限公司 | Water treatment composite material |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107841828A (en) * | 2016-09-20 | 2018-03-27 | 河南智联寰宇知识产权运营有限公司 | Polylactic acid poly ethene compound bio membrane carrier materials and preparation method thereof |
CN107841806A (en) * | 2016-09-20 | 2018-03-27 | 河南智联寰宇知识产权运营有限公司 | Flexible polylactic acid composite biological membrane carrier materials and preparation method thereof |
CN109249507A (en) * | 2018-09-27 | 2019-01-22 | 佛山齐安建筑科技有限公司 | A kind of preparation method of core material of vacuum heat insulation plate |
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Application publication date: 20151118 |