CN104759146A - High-adsorbability composite filter material prepared by blending melt-blown polypropylene with modified attapulgite and used for sewage treatment and preparation method thereof - Google Patents
High-adsorbability composite filter material prepared by blending melt-blown polypropylene with modified attapulgite and used for sewage treatment and preparation method thereof Download PDFInfo
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- CN104759146A CN104759146A CN201510118359.3A CN201510118359A CN104759146A CN 104759146 A CN104759146 A CN 104759146A CN 201510118359 A CN201510118359 A CN 201510118359A CN 104759146 A CN104759146 A CN 104759146A
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Abstract
The invention relates to a filter material used for sewage treatment and particularly relates to a high-adsorbability composite filter material prepared by blending melt-blown polypropylene with modified attapulgite and used for sewage treatment and a preparation method thereof. The filter material is prepared from following raw materials, by weight: 0.1-0.2 parts of graphene oxide, 30-35 parts of polypropylene, 1-2 parts of a titanate coupling agent, 4-5 parts of mesoporous silicon dioxide, 20-25 parts of attapulgite, 2-4 parts of poly-aluminum ferric silicate, 1-2 parts of sodium citrate, 2-3 parts of polyether-modified silicone oil, 1-2 parts of hydroxyethyl cellulose and 30-35 parts of water. In the invention, the modified attapulgite composite filter material micro powder is supported onto the modified polypropylene master batch melt-blown filaments to prepare the filter material having a stereoscopic network structure. The filter material has high adsorbability on both inorganic and organic pollutants, is improved in mechanical performance, is not liable to damage, is flexible in forms and is high in repeat utilization rate.
Description
Technical field
The present invention relates to a kind of sewage disposal filtrate, be specifically related to high adsorption composite filtering material of a kind of sewage disposal fusion-jetting polypropylene mixing modification attapulgite and preparation method thereof.
Background technology
Along with socioeconomic development, water pollutions increases the weight of day by day, pollutant component and content are difficult to control more, more and more higher to the requirement of water technology, original conventional treatment material obviously can not meet needed for production, improve the efficiency of water treatment, need to increase water quality from source treatment effect, and the serviceability improving filtrate the most efficient the most direct beyond doubt method, current use comparatively widely filtrate mainly contains quartz sand filter media, ANTHRACITE FILTER MEDIA, volcanic rock filtrate and string class filtrate etc., these filtrates in use each tool are good and bad, on the whole, improve the service efficiency of these filtrates, reduce production cost and be still the problem needing to solve.
Polypropylene melt-blown material is a kind of novel filtering material, mutually tangle between its fiber, structural void is little, spatially network structure, and product flexibility is strong, can make various shape as required, have that filtration resistance is low, filter effect is high, output is high, cost is low, the not advantage such as cracky, existing research shows that it is well worth doing at sewage treatment area, however the shaping filtrate intensity of simple polypropylene melt-blown and durability poor, the adsorption capacity of dirt is had much room for improvement.
Summary of the invention
The object of the invention is to, for the deficiency of current material, organic and inorganic to polypropylene melt blown filter materials and tradition filtrate is combined, maximize favourable factors and minimize unfavourable ones, there is provided a kind of using fusion-jetting polypropylene as carrier, load has the NEW TYPE OF COMPOSITE filtrate of the organic and inorganic filtrate of high efficiency of additive capability, and this filtrate production cost is low, absorption cuts dirty effective, highly efficient durable, does not produce secondary pollution.
To achieve these goals, the technical solution used in the present invention is as follows:
A high adsorption composite filtering material for sewage disposal fusion-jetting polypropylene mixing modification attapulgite, is characterized in that: described composite filtering material is made up of the raw material of following weight portion: graphene oxide 0.1-0.2, polypropylene 30-35, titanate coupling agent 1-2, mesoporous silicon oxide 4-5, attapulgite 20-25, polymeric aluminium ferrum silicate 2-4, natrium citricum 1-2, polyether modified silicon oil 2-3, hydroxyethylcellulose 1-2, water 30-35;
The preparation method of the high adsorption composite filtering material of described a kind of sewage disposal fusion-jetting polypropylene mixing modification attapulgite, comprises following steps:
(1) first natrium citricum is dropped in water, be stirred to after it dissolves completely, attapulgite is dropped in mixed solution, after soaking 4-5h, high-speed stirred mixes, add hydroxyethylcellulose, graphene oxide again, continue to be uniformly mixed 50-60min, finally by gained mixed material heated-air drying, remove moisture completely, be broken into 300-400 order micro mist for subsequent use;
(2) polypropylene is mixed with mesoporous silicon oxide, polyether modified silicon oil, stir in rear input double screw extruder and melt extrude granulation at 170-180 DEG C of temperature, obtain modified polypropylene agglomerate;
(3) step (1) gained material is mixed with modified polypropylene agglomerate and other leftover materials, drop in melt-blown non-woven former after stirring, melt is the meltblown beam spinneret orifice ejection of 200-220 DEG C through temperature, wherein orifice diameter is 50-100 μm, ejection filament stretch under the high velocity, hot air stream effect of 230-250 DEG C laggard enter receiving system, filament to be composite assembles shaping on the reception device, completely cooling after and get final product.
Beneficial effect of the present invention:
The present invention utilizes sodium citrate aqueous solution to carry out immersion modification to attapulgite micro mist, improve the surface property of micro mist, powder is not easily reunited, and at surperficial blending graphene oxide, improve the disposal ability to organic dirt thing, cut dirty adsorption capacity to strengthen, the fiber filaments that this composite filtering material micro mist is carried on the melt-blown preparation of modified polypropylene agglomerate is collected to obtain after being shaped having complicated, the material of multichannel dimensional network structure, the removal rate of material to dirt of this structure is higher, and mechanical property improves, not cracky, recycling rate of waterused is high, in addition its form is flexible, according to environment for use and the product preparing variform and size can be required.
Detailed description of the invention
Embodiment
Below with reference to embodiment, the present invention will be further described.
A high adsorption composite filtering material for sewage disposal fusion-jetting polypropylene mixing modification attapulgite, is characterized in that: described composite filtering material is made up of the raw material of following weight portion: graphene oxide 0.1, polypropylene 32, titanate coupling agent 1.5, mesoporous silicon oxide 5, attapulgite 24, polymeric aluminium ferrum silicate 3, natrium citricum 1.4, polyether modified silicon oil 2.5, hydroxyethylcellulose 1.6, water 34;
The preparation method of above-mentioned composite filtering material comprises following steps:
(1) first natrium citricum is dropped in water, be stirred to after it dissolves completely, attapulgite is dropped in mixed solution, after soaking 4.5h, high-speed stirred mixes, add hydroxyethylcellulose, graphene oxide again, continue to be uniformly mixed 55min, finally by gained mixed material heated-air drying, remove moisture completely, be broken into 400 order micro mists for subsequent use;
(2) polypropylene is mixed with mesoporous silicon oxide, polyether modified silicon oil, stir in rear input double screw extruder and melt extrude granulation at 180 DEG C of temperature, obtain modified polypropylene agglomerate;
(3) step (1) gained material is mixed with modified polypropylene agglomerate and other leftover materials, drop in melt-blown non-woven former after stirring, melt is the meltblown beam spinneret orifice ejection of 220 DEG C through temperature, wherein orifice diameter is 80 μm, ejection filament stretch under the high velocity, hot air stream effect of 240 DEG C laggard enter receiving system, filament to be composite assembles shaping on the reception device, completely cooling after and get final product.
The composite filtering material grammes per square metre prepared is 224g/m
2porosity is 72.6%, elongation at break is 345.2%, and fracture strength is 25.6MPa, and bending modulus is 26.7MPa, wear rate≤0.5%, product reaches 95%, COD removal rate to ammonia nitrogen in sewage removal rate and reaches 98%, and heavy metal removal rate reaches 90%, turbidity removal rate reaches 95%, and filter cycle, comparatively conventional material on average improved 70.5%.
Claims (2)
1. a sewage disposal high adsorption composite filtering material for fusion-jetting polypropylene mixing modification attapulgite, is characterized in that: described composite filtering material is made up of the raw material of following weight portion: graphene oxide 0.1-0.2, polypropylene 30-35, titanate coupling agent 1-2, mesoporous silicon oxide 4-5, attapulgite 20-25, polymeric aluminium ferrum silicate 2-4, natrium citricum 1-2, polyether modified silicon oil 2-3, hydroxyethylcellulose 1-2, water 30-35.
2. the preparation method of the high adsorption composite filtering material of a kind of sewage disposal fusion-jetting polypropylene mixing modification attapulgite as claimed in claim 1, is characterized in that, comprise following steps:
(1) first natrium citricum is dropped in water, be stirred to after it dissolves completely, attapulgite is dropped in mixed solution, after soaking 4-5h, high-speed stirred mixes, add hydroxyethylcellulose, graphene oxide again, continue to be uniformly mixed 50-60min, finally by gained mixed material heated-air drying, remove moisture completely, be broken into 300-400 order micro mist for subsequent use;
(2) polypropylene is mixed with mesoporous silicon oxide, polyether modified silicon oil, stir in rear input double screw extruder and melt extrude granulation at 170-180 DEG C of temperature, obtain modified polypropylene agglomerate;
(3) step (1) gained material is mixed with modified polypropylene agglomerate and other leftover materials, drop in melt-blown non-woven former after stirring, melt is the meltblown beam spinneret orifice ejection of 200-220 DEG C through temperature, wherein orifice diameter is 50-100 μm, ejection filament stretch under the high velocity, hot air stream effect of 230-250 DEG C laggard enter receiving system, filament to be composite assembles shaping on the reception device, completely cooling after and get final product.
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| CN201510118359.3A CN104759146A (en) | 2015-03-18 | 2015-03-18 | High-adsorbability composite filter material prepared by blending melt-blown polypropylene with modified attapulgite and used for sewage treatment and preparation method thereof |
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| CN201510118359.3A CN104759146A (en) | 2015-03-18 | 2015-03-18 | High-adsorbability composite filter material prepared by blending melt-blown polypropylene with modified attapulgite and used for sewage treatment and preparation method thereof |
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Cited By (6)
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| CN105251461A (en) * | 2015-11-11 | 2016-01-20 | 林砚秋 | Efficient and reusable radioactive waste water treatment adsorbent based on modified bone meal and preparation method |
| CN105776579A (en) * | 2016-05-26 | 2016-07-20 | 许婷 | Waste plastic recovery processing sewage treating agent and preparation method thereof |
| CN106731239A (en) * | 2017-01-23 | 2017-05-31 | 福建海西滤水龙头研究中心有限公司 | A kind of desalinization filter core and preparation method thereof |
| CN109231570A (en) * | 2018-10-25 | 2019-01-18 | 刘慧� | A kind of sewage treatment process of food and cultivation industry |
| CN109433816A (en) * | 2018-11-26 | 2019-03-08 | 天津大学前沿技术研究院有限公司 | A kind of restorative procedure of glyphosate-heavy-metal composite pollution agricultural land soil |
| CN110339826A (en) * | 2019-07-11 | 2019-10-18 | 刘建恒 | A kind of mesoporous filtrate of lightweight and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105251461A (en) * | 2015-11-11 | 2016-01-20 | 林砚秋 | Efficient and reusable radioactive waste water treatment adsorbent based on modified bone meal and preparation method |
| CN105776579A (en) * | 2016-05-26 | 2016-07-20 | 许婷 | Waste plastic recovery processing sewage treating agent and preparation method thereof |
| CN106731239A (en) * | 2017-01-23 | 2017-05-31 | 福建海西滤水龙头研究中心有限公司 | A kind of desalinization filter core and preparation method thereof |
| CN109231570A (en) * | 2018-10-25 | 2019-01-18 | 刘慧� | A kind of sewage treatment process of food and cultivation industry |
| CN109433816A (en) * | 2018-11-26 | 2019-03-08 | 天津大学前沿技术研究院有限公司 | A kind of restorative procedure of glyphosate-heavy-metal composite pollution agricultural land soil |
| CN110339826A (en) * | 2019-07-11 | 2019-10-18 | 刘建恒 | A kind of mesoporous filtrate of lightweight and preparation method thereof |
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