CN1853770A - Modified adsorbent for oil component in water, its production and adsorber - Google Patents
Modified adsorbent for oil component in water, its production and adsorber Download PDFInfo
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Abstract
A modified adsorbent for adsorbing oil from water features that the organic silicon substance chosen from sodium methylsilicate, methyl silicon oil, phenyl silicon oil, methylethyl silicon oil, ethyl oil, hydrogen contained methyl silicon oil, etc is used to modify the surface of the adsorbent chosen from montmorillonite, bentonite, diatomite, pearlite, powdered coal ash, etc to generate a lipophilic film layer, so increasing its oil adsorptivity.
Description
Technical field
The present invention relates to a kind of adsorbent that can adsorb oil content in the oil-polluted water.Specifically, be utilize silicone based series material the back is handled in the modification of adsorbent class series material and generate a kind of can adsorbed water in the modified adsorbent of oil content.
The said organosilicon series of this paper material, straight chain shape molecular formula is
The molecular formula that has side chain is
Wherein R is organic group, and n and m represent the chain hop count.For example sodium methyl silicate, methyl-silicone oil, phenyl silicone oil, Methylethyl silicone oil, Methyl Hydrogen Polysiloxane Fluid, ethyl silicon oil, methyl phenyl silicone oil, methyl chloride phenyl silicone oil, methyl hydroxy silicon oil, contain nitrile silicone at methyl trifluoro propyl silicone oil, methyl ethylene silicone oil, ethyl containing hydrogen silicone oil, hydroxyl hydrogen silicone oil.Can be wherein a kind of, also can be their several combinations.The denominator of such material is to generate a kind of film with oleophyllie hydrophobic character at its handled material surface.
The said adsorbent class of this paper material is meant the material with certain adsorption effect, comprise imvite, bentonite, diatomite, flyash, perlite, attapulgite, sepiolite, kaolin, zeolite, can be a kind of of them, it also can be their several combination, its common feature is that specific area is bigger, have certain adsorption effect, can combine preferably with silicone based material.
The combination of one or more that thing of the present invention is silicone based series material is carried out modification to one or more combination of adsorbent class series material and is handled the product that obtains.
Technical background
Handle in the oil-polluted water technology in absorption method, active carbon is the adsorbent of people's first-selection always.It is very strong to the affinity of grease, but adsorption capacity is very low.Its reason is, the micropore size of active carbon is extremely small, and the emulsification oil droplet in the sewage has got lodged in the import department of activated carbon capillary passage, this micro channel stopped up, so make the internal surface area of this micro channel just lose adsorption capacity.When all micro channels all got clogged, it was saturated just to show as oil suction on the macroscopic view.This not all active carbon internal surface area is all adsorbed saturatedly in fact, but a kind of " hunger property " saturated is that a kind of illusion is saturated.The saturated adsorption capacity that greatly reduces active carbon of this illusion.
Original adsorbent class material such as diatomite, is a kind of material with alveolate texture, has very big specific area, has certain adsorption capacity.But their surface is not strong to the affinity of grease, so the adsorption capacity to grease that virgin sorbent class material shows is just very low.Thus, when directly with active carbon or virgin sorbent class material oil-polluted water being carried out adsorption treatment, the effect of processing is all undesirable.
Summary of the invention
The technical problem to be solved in the present invention is, at virgin sorbent class material to the not strong defective of emulsification oil droplet affinity, modification is carried out on its surface to be handled, generate one deck film very strong on its surface to grease affinity, so just improved its adsorption capacity to grease, reduce the concentration of grease in the absorption effluent, strengthened adsorption effect.
Preparation method provided by the present invention is characterized in that, utilizes silicone based material that modification is carried out on the surface of adsorbent class material and handles, and generates the film that one deck has oleophyllie hydrophobic character on its surface.It comprises following step: (1) prepares mass concentration is 0.1%～30% silicone based material emulsion.(2) emulsion of adsorbent class material and silicone based material is mixed in container, fully stir.(3) with mixture oven dry or dry.(4) after the drying, the caking thing is smashed, sieved, can obtain the modified adsorbent of powdery.
Modified adsorbent provided by the present invention is characterized in that: the shared mass percent of silicone based material is 0.01-50.00%, and the shared mass percent of adsorbent class material is 50.00-99.99%.
The modified adsorbent that the absorption grease is saturated can obtain regeneration through heating.Heating-up temperature is difference according to the difference of adsorbed grease, and key is to be heated to more than the gasification temperature of grease.For example modification infusorial earth absorption is gasoline, and joining 120 ℃ can fall the gasoline volatilization of absorption.
Useful result of the present invention is, uses thing of the present invention that oil-polluted water is carried out adsorption treatment, and adsorption rate is fast, the adsorption capacity height, and the water outlet oil concentration is low.With the modification infusorial earth is example, and it has reached 0.3kg/kg to the adsorption capacity of grease, and de-oiling efficient has reached 98%, and the water outlet oil content can reach 0.96mg/l, can reach the oil standard that contains of outer draining or even recycle-water.
Utilize the integrating device of this sorbent treatment oil-polluted water, as shown in drawings.Inside at container handling serves as a contrast a filter cloth liner, and liner is compressed with trim ring, in case leak.Mix oil-polluted water and adsorbent by vigorous stirring, the two is fully contacted.Before the work, earlier a certain amount of modified adsorbent is placed on the inside, opens then and stir, feed oil-polluted water at last.Sewage fully contacts with modified adsorbent in container, and the oil content in the sewage has just been transferred on the modified adsorbent, so sewage has just obtained purification.
The technical characterstic of this device has two.The one, adsorption reaction is by vigorous stirring, makes the grease in the water fully mix generation with adsorbent, and this point is different from the adsorbent stationary fixing and common suction type that the water dynamic flow is crossed.The 2nd, in container, the subtractive process of the adsorption process of grease and adsorbent just can be finished in same reaction vessel like this with the filter cloth liner.
This adsorbent equipment is that the adsorption process at adsorbent of the present invention and oil phase designs on the basis faster.With respect to the adsorbent stationary fixing and for the common suction type that the water dynamic flow is crossed, this adsorbent equipment has that volume is little, and treating capacity is big, integrated efficient height, the characteristics that cost is low.
Description of drawings
Fig. 1 is the schematic diagram of adsorbent equipment of the present invention.It mainly stirs 10. sealed covers of 6. pure water inlets, 7. adsorbent 8. adsorption tanks, 9. encapsulants of the present invention by 1. motors, 2. oil-polluted water imports, 3. filter cloth inner supporting circles, 4. liner filter clothes 5. and forms.
This device should vertically be placed. Motor 1 is adjustable speed motor, drives to stir 5 rotations. Stirring namely can the centre position, also can be placed on eccentric position. The employing shaft seal that is tightly connected of stirring 5 and adsorption tanks 8 compresses encapsulant 9 with shaft seal gland 10 at the shaft seal place, thereby can prevent leakage under pressure. The shape of liner filter cloth 4 is similar to the shape of adsorption tanks 8, and its size is slightly less than the inner barrel volume, can liner in adsorption tanks 8. Liner filter cloth 4 with the fixing and encapsulating method of adsorption tanks 8 is, continues to use filter cloth inner supporting circle 3 stretchings on the liner filter cloth 4, can play the effect that prevents leakage, can on cylinder inboard wall filter cloth be fixed again simultaneously. Oil-polluted water import 2 is on cylindrical shell top, and pure water inlet 6 is in the cylindrical shell bottom, and the two all directly links to each other with cylindrical shell.
In the time of work, first adsorbent of the present invention is placed in the liner filter cloth 4, then opens and stir. Pass into the oil-polluted water with pressure in oil-polluted water import 2, the air in the adsorption treatment tank 8 can be under the effect of hydraulic pressure, and the hole by filter cloth discharges at pure water inlet 6. When liquid level reached the stirring blade position, oil-polluted water began to rotate tempestuously, and fully contacted with adsorbent, and at this moment adsorption reaction begins to occur. Oil phase begins to transfer to the adsorbent phase from water, and water quality is purified. Under the effect of intake pressure, water purification begins to see through filter cloth 4, flows out from pure water inlet 6.
Processing procedure generally is composed in series by two-stage adsorption tanks shown in Figure 1. This is because because the effect of vigorous stirring, the emulsification oil droplet almost is equally distributed in water, so the emulsification oil droplet of a few part may also not have enough time to be adsorbed and will leak, therefore needs second level adsorption tanks to do further processing. Theoretically, after bi-level treatment, also have the emulsification oil droplet that leaks, but its content is very little. What string adsorb with, and mainly the oil standard that contains by water outlet determines.
The specific embodiment
In following performance test, all use import oil content 70mg/l, the oil-polluted water that water temperature is 20 ℃, the ultraviolet spectrophotometry in the water in " water and the effluent monitoring analytical method " of the establishment of the test execution State Environmental Protection Administration of oil content to embodiment.
1. at first prepare mass concentration and be 0.01% dimethyl-silicon fat liquor 1000g, then 999.9g diatomite and dimethyl-silicon fat liquor are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification infusorial earth adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, the results are shown in Table.
2. at first prepare mass concentration and be 10% dimethyl-silicon fat liquor 1000g, then 900g diatomite and dimethyl-silicon fat liquor are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification infusorial earth adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, the results are shown in Table.
3. at first prepare mass concentration and be 30% dimethyl-silicon fat liquor 1000g, then 300g diatomite and dimethyl-silicon fat liquor are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification infusorial earth adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, the results are shown in Table.
4. at first prepare mass concentration and be 10% dimethyl-silicon fat liquor 500g, then 950g bentonite and dimethyl-silicon fat liquor are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modified alta-mud adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, the results are shown in Table.
5. at first prepare mass concentration and be 10% dimethyl-silicon fat liquor 500g, then 950g flyash and dimethyl-silicon fat liquor are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modified fly ash absorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
6. at first prepare mass concentration and be 10% dimethyl-silicon fat liquor 500g, then 950g imvite and dimethyl-silicon fat liquor are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modified montmorillonoid adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
7. at first prepare mass concentration and be 10% dimethyl-silicon fat liquor 500g, then 950g perlite and dimethyl-silicon fat liquor are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification perlite adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
8. at first prepare mass concentration and be 10% dimethyl-silicon fat liquor 500g, then 950g attapulgite and dimethyl-silicon fat liquor are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modified attapulgite earth adsorbing of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
9. at first prepare mass concentration and be 10% dimethyl-silicon fat liquor 500g, then 950g sepiolite and dimethyl-silicon fat liquor are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modified meerschaum adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
10. at first prepare mass concentration and be 10% dimethyl-silicon fat liquor 500g, then 950g kaolin and dimethyl-silicon fat liquor are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modified kaolin adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
11. at first prepare mass concentration and be 10% Methyl Hydrogen Polysiloxane Fluid emulsion 500g, then 950g perlite and Methyl Hydrogen Polysiloxane Fluid emulsion are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification perlite adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
12. at first prepare mass concentration and be 10% diethyl silicone oil emulsion 500g, then 950g perlite and diethyl silicone oil emulsion are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification perlite adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
13. at first prepare mass concentration and be 10% Methylethyl silicone oil emulsion 500g, then 950g perlite and Methylethyl silicone oil emulsion are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification perlite adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
14. at first prepare mass concentration and be 10% diphenyl silicone oil emulsion 500g, then 950g perlite and diphenyl silicone oil emulsion are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification perlite adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
15. at first prepare mass concentration and be 10% methyl phenyl silicone oil emulsion 500g, then 950g perlite and methyl phenyl silicone oil emulsion are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification perlite adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
16. at first prepare mass concentration and be 10% methyl chloride phenyl silicone oil emulsion 500g, then 950g perlite and methyl chloride phenyl silicone oil emulsion are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification perlite adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
17. at first prepare mass concentration and be 10% methyl ethoxy silicone oil emulsion 500g, then 950g perlite and methyl ethoxy silicone oil emulsion are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification perlite adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
18. at first prepare mass concentration and be 10% methyl hydroxy-silicone-oil emulsion 500g, then 950g perlite and methyl hydroxy-silicone-oil emulsion are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification perlite adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
19. at first prepare mass concentration and be 10% ethyl containing hydrogen silicone oil emulsion 500g, then 950g perlite and ethyl containing hydrogen silicone oil emulsion are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification perlite adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
20. at first prepare mass concentration and be 10% hydroxyl hydrogen silicone oil emulsion 500g, then 950g perlite and hydroxyl hydrogen silicone oil emulsion are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification perlite adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
21. at first prepare mass concentration and be 10% methane-siliconic acid sodium solution 500g, then 950g perlite and hydroxyl hydrogen silicone oil emulsion are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification perlite adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
22. at first prepare mass concentration and be 10% Methyl Hydrogen Polysiloxane Fluid emulsion 250g, and then to prepare mass concentration be 10% dimethyl-silicon fat liquor 250g, the two mixed.950g perlite and mixing silicone oil emulsion are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification perlite adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
23. at first prepare mass concentration and be 10% Methyl Hydrogen Polysiloxane Fluid emulsion 250g, and then to prepare mass concentration be 10% dimethyl-silicon fat liquor 250g, the two mixed.950g diatomite and mixing silicone oil emulsion are mixed in container, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification infusorial earth adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
24. at first prepare mass concentration and be 10% Methyl Hydrogen Polysiloxane Fluid emulsion 250g, and then to prepare mass concentration be 10% Methylethyl silicone oil emulsion 250g, the two mixed.600g perlite and 350g diatomite with mix silicone oil emulsion and in container, mix, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification infusorial earth perlite adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
25. at first prepare mass concentration and be 10% Methyl Hydrogen Polysiloxane Fluid emulsion 250g, and then to prepare mass concentration be 10% diethyl silicone oil emulsion 250g, the two mixed.400g perlite and 550g diatomite with mix silicone oil emulsion and in container, mix, fully stir.Mixture is contained in the pallet, after spreading out, puts into baking oven, dried by the fire 24 hours down in 50 ℃.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modification infusorial earth perlite adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
26. at first prepare mass concentration and be 10% dimethyl-silicon fat liquor 500g, then 950g zeolite and dimethyl-silicon fat liquor are mixed in container, fully stir.With mixture be contained in spread out in the pallet after, in 50 ℃ of down bakings 24 hours.After the oven dry,, the caking thing is smashed, crossed 40 mesh sieves, can obtain the modified kaolin adsorbent of powdery its taking-up.Utilize the test of this adsorbent equipment two-stage series connection, test result sees Table.
Table with test results
| Embodiment | Silicone based series material | Organosilicon content % | Adsorbent class series material | Adsorbent class content of material % | Outlet oil content mg/l | De-oiling rate % | Adsorbent consumption g | Handle water yield l | Adsorption capacity g/g |
| Comparative Examples | - | 0 | Active carbon | - | 0.60 | 99.1 | 10 | 7.1 | 0.05 |
| Comparative Examples | - | 0 | Diatomite | - | 7.11 | 89.8 | 10 | 2.8 | 0.02 |
| Embodiment 1 | Dimethicone | 0.01 | Diatomite | 99.99 | 1.64 | 97.6 | 10 | 28.4 | 0.19 |
| Embodiment 2 | Dimethicone | 10 | Diatomite | 90 | 0.90 | 98.7 | 10 | 39.8 | 0.28 |
| Embodiment 3 | Dimethicone | 50 | Diatomite | 50 | 3.94 | 94.5 | 10 | 24.0 | 0.16 |
| Embodiment 4 | Dimethicone | 5 | Bentonite | 95 | 2.42 | 96.5 | 10 | 26 | 0.18 |
| Embodiment 5 | Dimethicone | 5 | Flyash | 95 | 4.95 | 92.9 | 10 | 16 | 0.10 |
| Embodiment 6 | Dimethicone | 5 | Imvite | 95 | 3.02 | 95.7 | 10 | 31 | 0.21 |
| Embodiment 7 | Dimethicone | 5 | Perlite | 95 | 0.98 | 98.6 | 10 | 33 | 0.23 |
| Embodiment 8 | Dimethicone | 5 | Attapulgite | 95 | 6.87 | 90.2 | 10 | 17 | 0.11 |
| Embodiment 9 | Dimethicone | 5 | Sepiolite | 95 | 3.85 | 94.5 | 10 | 18 | 0.12 |
| Embodiment 10 | Dimethicone | 5 | Kaolin | 95 | 4.02 | 94.3 | 10 | 21 | 0.14 |
| Embodiment 11 | Methyl Hydrogen Polysiloxane Fluid | 5 | Perlite | 95 | 1.02 | 98.5 | 10 | 31 | 0.21 |
| Embodiment 12 | Diethyl silicone oil | 5 | Perlite | 95 | 0.94 | 98.7 | 10 | 37 | 0.26 |
| Embodiment 13 | Methylethyl silicone oil | 5 | Perlite | 95 | 0.96 | 98.6 | 10 | 34 | 0.23 |
| Embodiment 14 | Diphenyl silicone oil | 5 | Perlite | 95 | 2.87 | 95.9 | 10 | 17 | 0.11 |
| Embodiment 15 | Methyl phenyl silicone oil | 5 | Perlite | 95 | 1.67 | 97.6 | 10 | 19 | 0.13 |
| Embodiment 16 | The methyl chloride phenyl silicone oil | 5 | Perlite | 95 | 4.89 | 93.0 | 10 | 15 | 0.098 |
| Embodiment 17 | Methyl ethoxy silicone oil | 5 | Perlite | 95 | 1.35 | 98.1 | 10 | 27 | 0.19 |
| Embodiment 18 | The methyl hydroxy silicon oil | 5 | Perlite | 95 | 5.02 | 92.8 | 10 | 19 | 0.12 |
| Embodiment 19 | The ethyl containing hydrogen silicone oil | 5 | Perlite | 95 | 0.91 | 98.7 | 10 | 22 | 0.15 |
| Embodiment 20 | Hydroxyl hydrogen silicone oil | 5 | Perlite | 95 | 3.84 | 94.5 | 10 | 15 | 0.099 |
| Embodiment 21 | Sodium methyl silicate | 5 | Perlite | 95 | 2.15 | 96.9 | 10 | 32 | 0.22 |
| Embodiment 22 | Methyl Hydrogen Polysiloxane Fluid+dimethicone | 5 | Perlite | 95 | 0.91 | 98.7 | 10 | 48 | 0.33 |
| Embodiment 23 | Methyl Hydrogen Polysiloxane Fluid+dimethicone | 5 | Diatomite | 95 | 0.98 | 98.6 | 10 | 37 | 0.26 |
| Embodiment 24 | Methyl Hydrogen Polysiloxane Fluid+Methylethyl silicone oil | 5 | Perlite+diatomite | 95 | 0.96 | 98.6 | 10 | 42 | 0.29 |
| Embodiment 25 | Methyl Hydrogen Polysiloxane Fluid+diethyl silicone oil | 5 | Perlite+diatomite | 95 | 0.93 | 98.7 | 10 | 48 | 0.33 |
| Embodiment 26 | Dimethicone | 5 | Zeolite | 95 | 4.02 | 94.3 | 10 | 21 | 0.14 |
Claims (6)
- One kind can adsorbed water in the modified adsorbent of oil content.It is characterized in that, utilize silicone based series material that adsorbent class material is carried out modification and handle, generate the film that one deck has oleophilic properties, make diatomite show strong oil absorption on its surface.Improved adsorption capacity, reduced the concentration of grease in the absorption effluent, strengthened adsorption effect grease.
- 2. modified adsorbent according to claim 1, it is characterized in that: its described silicone based series material is sodium methyl silicate, methyl-silicone oil, phenyl silicone oil, Methylethyl silicone oil, Methyl Hydrogen Polysiloxane Fluid, ethyl silicon oil, methyl phenyl silicone oil, methyl chloride phenyl silicone oil, methyl hydroxy silicon oil, contain nitrile silicone at methyl trifluoro propyl silicone oil, methyl ethylene silicone oil, ethyl containing hydrogen silicone oil, hydroxyl hydrogen silicone oil.Can be wherein a kind of, also can be their several combinations.
- 3. modified adsorbent according to claim 1, it is characterized in that: described adsorbent class material is imvite, bentonite, diatomite, flyash, perlite, attapulgite, sepiolite, kaolin, zeolite, can be a kind of of them, also can be their several combination.
- 4. modified adsorbent according to claim 1 is characterized in that: the shared mass percent of silicone based material is 0.01-50.00%, and the shared mass percent of adsorbent class material is 50.00-99.99%.
- 5. adsorbent according to claim 1 is characterized in that: it comprises following step: (1) prepares mass concentration is 0.1%～30% organic silicon emulsion, stand-by.(2) adsorbent class material and organic silicon emulsion are mixed in container, fully stir.(3) with mixture oven dry or dry.(4) after the drying, the caking thing is smashed, sieved, can obtain the modified adsorbent of powdery.
- 6. adsorbent according to claim 1, the technical characterstic of adsorbent equipment have two.The one, adsorption reaction is by vigorous stirring, makes the grease in the water fully mix generation with adsorbent, and this point is different from adsorbent phase stationary fixing and common suction type that the water dynamic flow is crossed.The 2nd, in container, the subtractive process of the adsorption process of grease and adsorbent just can be finished in same reaction vessel like this with the filter cloth liner.
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