CN104771957A - Melt-blow polypropylene blended nano nickel efficient composite filter material for sewage treatment and preparation method thereof - Google Patents

Abstract

The invention relates to a sewage treatment filter material, and specifically relates to a melt-blow polypropylene blended nano nickel efficient composite filter material and a preparation method thereof. The filter material is composed of the following raw materials in parts by weight: 2 to 3 parts of porous starch, 30 to 35 parts of polypropylene, 1 to 2 parts of titanate coupling agent, 3 to 4 parts of polyamide fiber, 0.2 to 0.3 part of nano nickel powder, 1 to 2 parts of polyvinylpyrrolidone, 2 to 3 parts of polyether modified silicone oil, 2 to 3 parts of nano zinc oxide, 15 to 20 parts of 200-300 mesh coconut shell active carbon, 0.8 to 1 part of sodium dodecyl sulfate, 0.1 to 0.2 part of propane diacid, and 30 to 40 parts of water. The modified coconut active carbon powder is loaded on the wires of modified melt-blow polypropylene to form a three-dimensional network structure, and the filter material has excellent mechanical properties, and the advantages of corrosion resistance, wear resistance, good purification effect, stability, and efficiency.

Description

High efficiency composition filtrate of a kind of sewage disposal fusion-jetting polypropylene blending nano nickel and preparation method thereof

Technical field

The present invention relates to a kind of sewage disposal filtrate, be specifically related to high efficiency composition filtrate of a kind of sewage disposal fusion-jetting polypropylene blending nano nickel 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 efficiency composition filtrate for sewage disposal fusion-jetting polypropylene blending nano nickel, is characterized in that: described composite filtering material is made up of the raw material of following weight portion: porous-starch 2-3, polypropylene 30-35, titanate coupling agent 1-2, Fypro 3-4, nano-nickel powder 0.2-0.3, polyvinylpyrrolidone 1-2, polyether modified silicon oil 2-3, nano zine oxide 2-3,200-300 order cocoanut active charcoal 15-20, lauryl sodium sulfate 0.8-1, malonic acid 0.1-0.2, water 30-40;

The preparation method of the high efficiency composition filtrate of described a kind of sewage disposal fusion-jetting polypropylene blending nano nickel, comprises following steps:

(1) first malonic acid is dropped in the water of 18-22 weight portion, after stirring, cocoanut active charcoal is dropped into and wherein soak 2-3h, lauryl sodium sulfate, polyvinylpyrrolidone are dissolved in remaining water simultaneously, and add nano-nickel powder, high-speed stirred makes nickel powder dispersed in the solution, is mixed by nano-nickel powder dispersion liquid subsequently with cocoanut active charcoal solution, by gained mixed material heated-air drying after stirring 50-60min, remove moisture completely, be broken into 300-400 order micro mist for subsequent use;

(2) polypropylene is mixed with Fypro, polyether modified silicon oil, porous-starch, 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 first utilizes the malonic acid aqueous solution to carry out immersion modification to cocoanut active charcoal micro mist, improve the surface-active of powder, mix nano-nickel powder in the slurry simultaneously, widen the retaining power of filtrate further, improve purifying water effect, 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, many micropores, the material of multichannel dimensional network structure, the material of this structure has excellent mechanical property, anticorrosive anti-wear, clean-up effect is excellent, stable performance, 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 efficiency composition filtrate for sewage disposal fusion-jetting polypropylene blending nano nickel, is characterized in that: described composite filtering material is made up of the raw material of following weight portion: porous-starch 2, polypropylene 33, titanate coupling agent 1.8, Fypro 3, nano-nickel powder 0.2, polyvinylpyrrolidone 1.5, polyether modified silicon oil 2.5, nano zine oxide 2,300 order cocoanut active charcoal 18, lauryl sodium sulfate 0.8, malonic acid 0.1, water 35;

The preparation method of above-mentioned composite filtering material comprises following steps:

(1) first malonic acid is dropped in the water of 20 weight portions, after stirring, cocoanut active charcoal is dropped into and wherein soak 2.8h, lauryl sodium sulfate, polyvinylpyrrolidone are dissolved in remaining water simultaneously, and add nano-nickel powder, high-speed stirred makes nickel powder dispersed in the solution, is mixed by nano-nickel powder dispersion liquid subsequently with cocoanut active charcoal solution, by gained mixed material heated-air drying after stirring 60min, remove moisture completely, be broken into 400 order micro mists for subsequent use;

(2) polypropylene is mixed with Fypro, polyether modified silicon oil, porous-starch, 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 205 DEG C through temperature, wherein orifice diameter is 60 μm, ejection filament stretch under the high velocity, hot air stream effect of 230 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 234.5g/m ²porosity is 73.5%, elongation at break is 313.4%, and fracture strength is 30.2MPa, and bending modulus is 27.2MPa, wear rate≤0.5%, product reaches 90%, COD removal rate to ammonia nitrogen in sewage removal rate and reaches 98%, and heavy metal removal rate reaches 85%, turbidity removal rate reaches 90%, and filter cycle, comparatively conventional material on average improved 62.4%.

Claims (2)

1. a sewage disposal high efficiency composition filtrate for fusion-jetting polypropylene blending nano nickel, is characterized in that: described composite filtering material is made up of the raw material of following weight portion: porous-starch 2-3, polypropylene 30-35, titanate coupling agent 1-2, Fypro 3-4, nano-nickel powder 0.2-0.3, polyvinylpyrrolidone 1-2, polyether modified silicon oil 2-3, nano zine oxide 2-3,200-300 order cocoanut active charcoal 15-20, lauryl sodium sulfate 0.8-1, malonic acid 0.1-0.2, water 30-40.

2. the preparation method of the high efficiency composition filtrate of a kind of sewage disposal fusion-jetting polypropylene blending nano nickel as claimed in claim 1, is characterized in that, comprise following preparation method:

(1) first malonic acid is dropped in the water of 18-22 weight portion, after stirring, cocoanut active charcoal is dropped into and wherein soak 2-3h, lauryl sodium sulfate, polyvinylpyrrolidone are dissolved in remaining water simultaneously, and add nano-nickel powder, high-speed stirred makes nickel powder dispersed in the solution, is mixed by nano-nickel powder dispersion liquid subsequently with cocoanut active charcoal solution, by gained mixed material heated-air drying after stirring 50-60min, remove moisture completely, be broken into 300-400 order micro mist for subsequent use;

(2) polypropylene is mixed with Fypro, polyether modified silicon oil, porous-starch, 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.