CN102807261A - Water treatment method - Google Patents
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- CN102807261A CN102807261A CN2011101486564A CN201110148656A CN102807261A CN 102807261 A CN102807261 A CN 102807261A CN 2011101486564 A CN2011101486564 A CN 2011101486564A CN 201110148656 A CN201110148656 A CN 201110148656A CN 102807261 A CN102807261 A CN 102807261A
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Abstract
The invention relates to a water treatment method which comprises the steps of: contacting water containing first concentration of organic matters with mesoporous aluminum oxide particles to obtain treated water containing second concentration of organic matters, and separating the treated water and the mesoporous aluminum oxide particles, wherein the second concentration is lower than the first concentration, the BET specific surface area of the mesoporous aluminum oxide particles is about 200-600m<2>/g, and the pore volume is about 0.1-1.0cm<3>/g.
Description
Technical field
The relevant a kind of water treatment method of the present invention for example, is removed the organic method in the water.
Background technology
The past oil production is carried out through from well, extracting oil-water mixture after the drilling well out usually.Yet this method effect for HV or heavy oil is bad.
Strengthening oil-extraction method adopts hot method to assist the exploitation of heavy oil.SAGD is the injection that strengthens an example of oil-extraction method and relate to steam.Generally speaking, one ton of heavy oil of exploitation need be used several tons of steam.The subterranean oil of steam heating is to reduce oil viscosity and to make oil flow to a collection well.Steam mixes the formation oil-water mixture with oil.Extract oil-water mixture out ground, separated the oil back and produced a large amount of oil extraction waste waters.
No matter be to consider from the economy or the angle of environment, all preferably process processing earlier before oil extraction waste water discharging and/or the recycling.USP is mentioned for No. 7597144 with processing oil extraction waste waters such as ceramic membranes.No. the 7718069th, USP is with to handle oil extraction waste water with hot lime softener, micro-strainer and reverse osmosis system etc. relevant.USP discloses with methods such as chemical tendering, multi-media filtration, ion exchange softening, cartridge filter and r-o-s for No. 7815804 and handles oil extraction waste water.
Be present in the oil extraction waste water with total content of organic carbon organism that characterize or that make water be dark brown oil colours, and need removal/minimizing.
Therefore, need a kind of new water treatment method to remove/reduce the organism in the water.
Summary of the invention
The present invention relates to a kind of new water treatment method; It comprises the water that contains first concentration organic is contacted with the meso-porous alumina particle to obtain to contain the treating water of second concentration organic lower than first concentration; And separating treatment water and meso-porous alumina particle, wherein meso-porous alumina particulate BET specific surface area is about 200m
2/ g is to about 600m
2/ g, pore volume is about 0.1cm
3/ g is to about 1.0cm
3/ g.
Description of drawings
Describe for embodiments of the invention in conjunction with the drawings, can understand the present invention better, in the accompanying drawings:
Shown in Figure 1 is from the undressed oil extraction waste water evaporation back solid residue of a SAGD factory
13The C MR spectroscopy.
Shown in Figure 2 is among Fig. 1
13Oil extraction waste water evaporation back solid residue in the part of C MR spectroscopy and routine 3 after the activated carbon treatment of different amounts
13The contrast of C MR spectroscopy.
Shown in Figure 3 is among Fig. 1
13Oil extraction waste water evaporation back solid residue in the part of C MR spectroscopy and the example 3 after the containing the molybdenum meso-porous alumina and handle of different amounts
13The contrast of C MR spectroscopy.
Shown in Figure 4 is among Fig. 1
13The contrast of MAL-2 line among AC-1 line and Fig. 3 among the part of C MR spectroscopy and Fig. 2.
Embodiment
Approximate term in specification sheets and the claim is used for modifying quality, and expression the present invention is not limited to this concrete quality, also comprises the acceptable retouch with the approaching change that can not cause relevant basic function of this quality.Accordingly, with numerical value such as " approximately " or " pact " modification, mean and the invention is not restricted to this accurate numerical value.In some example, approximate term maybe be corresponding to the precision of the instrument of measuring numerical value.
Mentioned numerical range comprises all numerical value of the unit increase in a unit from low to high among the present invention, supposes any than at least two unit, interval between low value and the high value here.For instance, if quality or the value of a processing parameter of a component, such as, temperature, pressure; Time or the like is from 1 to 90,20 to 80, perhaps 30 to 70; Be to want to express all clear being set forth in this specification sheets such as 15 to 85,22 to 68,43 to 51,30 to 32 numerical value such as grade.For less than 1 numerical value, 0.0001,0.001,0.01 or 0.1 is considered to a more suitable unit.The aforementioned special example that will express of just hoping, all clearly are listed as in this manual minimum all being regarded as in a similar manner to the combinations of values between the mxm. of enumerating.
The present invention relates to a kind of water treatment method; It comprises the water that contains first concentration organic is contacted with the meso-porous alumina particle to obtain to contain the treating water of second concentration organic lower than first concentration; And separating treatment water and meso-porous alumina particle, wherein meso-porous alumina particulate BET specific surface area is about 200m
2/ g is to about 600m
2/ g, pore volume is about 0.1cm
3/ g is to about 1.0cm
3/ g.
The water treatment method that the present invention relates to can be used for removing the organism (perhaps also can be called carbonaceousmaterial) in the water.The water that is processed can be for from the oil extraction waste water that strengthens oil recovery process like SAGD or other, the perhaps any organism of needs removal or the waste water or natural water of carbonaceousmaterial of containing.
Total content of organic carbon is meant the organism carbon content, for being used to represent a nonspecific parameter of water quality among the present invention, the concentration of organism or carbonaceousmaterial in the sign water.The total content of organic carbon of the water that is processed can be at least about 400ppm, or at least about 200ppm, or at least about 150ppm.After the processing, the total content of organic carbon in the water can be reduced to and be lower than about 10ppm, or it is half the to be lower than the pact of former numerical value, perhaps is lower than about percent 80 of former numerical value.
The BET specific surface area of the meso-porous alumina that relates among the present invention is about 200m
2/ g is to 600m
2/ g, pore volume is about 0.1cm
3/ g is to about 1.0cm
3/ g.The BET specific surface area refers to the surface-area of confirming with BET specific surface area method.In some certain embodiments, the BET specific surface area of meso-porous alumina is about 300m
2/ g is to 550m
2/ g, and/or pore volume is about 0.25cm
3/ g is to about 0.75cm
3/ g.In certain embodiments, pore volume is about 0.4cm
3/ g is to about 0.9cm
3/ g.It is that about 2nm arrives about 100nm that meso-porous alumina has mean pore size, and perhaps about 2nm is to the hole of about 50nm.The particle size of meso-porous alumina can be less than about 100 microns.Among some embodiment, particle size is about 1 micron to 10 microns.The aperture can be about 2nm to about 100nm, and about 2nm is to 20nm, or about 2nm is to about 10nm.Particle size is narrower unimodal distribution, and heterogeneity index is less than 1.5, less than 1.3 or less than 1.1.The distribution of diameter can be bimodal or multimodal.
The meso-porous alumina particle that the present invention relates to can obtain through aluminium-alcohol salt is reacted under the situation that template exists.The preparation method that No. 2009/134558, international monopoly WO and WO describe meso-porous alumina No. 2009/038855.The available template includes but not limited to nonionic surfactant, cyclodextrin and crown ether.Particularly; Template can be polyglycol surfactants; Like the polyoxyethylene glycol phenyl ether, TRITON
Value 3608 more specifically for buying through the commercial channel.Properties-correcting agent like methyl aceto acetate and so on also can be used in the reaction.One of aluminium-alcohol salt is exemplified as ASBD.
Meso-porous alumina can contain and accounts for its gross weight up to about 10% molybdenum.Molybdenum content can be about 0.05 percent weight percent to about percent 10 weight percents, and about percent 0.1 weight percents are to about percent 5 weight percents, or about percent 0.1 to percent 2 weight percents.Among some embodiment, molybdenum content is less than about percent 0.1 weight percents.
Containing the molybdenum meso-porous alumina can be when aluminium-alcohol salt reacts add molybdate compound in the reaction mixture and prepares.For example two (ketone in the acetyl) molybdenum dioxide or ammonium molybdate etc. are operable molybdate compound.
In certain embodiments, method involved in the present invention also comprises water is contacted with the particle that contains carbon-based adsorbent.These carbon-based adsorbent particles can be activated carbon granule, carbon black pellet, graphite granule, fullerenic particles, carbon nanotube particulate etc.When meso-porous alumina particle and activated carbon granule all were used, the meso-porous alumina particle can differently also can form of mixtures add with the sequencing that activated carbon granule adds together.
The BET specific surface area of the gac that relates among the present invention is about 200m
2/ g is to 1000m
2/ g, pore volume is about 0.1cm
3/ g is to about 1.0cm
3/ g.The BET specific surface area refers to the surface-area of confirming with BET specific surface area method.In some certain embodiments, the BET specific surface area of gac is about 300m
2/ g is to 950m
2/ g, and/or pore volume is about 0.25cm
3/ g is to about 0.75cm
3/ g.In certain embodiments, pore volume is about 0.4cm
3/ g is to about 0.6cm
3/ g.It is that about 2nm arrives about 100nm that gac has mean pore size, and perhaps about 2nm is to the hole of about 50nm.The particle size of gac can be less than about 100 microns.Among some embodiment, particle size is about 1 micron to 10 microns.The aperture can be about 2nm to about 100nm, and about 2nm is to 20nm, or about 2nm is to about 10nm.Particle size is narrower unimodal distribution, and heterogeneity index is less than 1.5, less than 1.3 or less than 1.1.The distribution of diameter can be bimodal or multimodal.
The water treatment method that the present invention relates to can carry out for about 5 to about 9 scope in the pH value.The temperature of water can be from about 5 ℃ to being lower than about 100 ℃ scope.Among some embodiment, water temperature is about 25 ℃ or about 80 ℃.Among some embodiment, water is the particulate pillar is housed contacts with particle through flowing through.
Saturated (or nonpolar) and unsaturated (or polarity) organism or carbonaceousmaterial are arranged in the water.Saturated (or nonpolar) organism comprises linearity and branched-chain hydrocarbon.Unsaturated (or polarity) organism comprises alkene and contains aromatic material.Be surprised to find that in the experiment that when adding a spot of meso-porous alumina particle, the fragrance in the water and polar organic matter (some of them make glassware for drinking water that color arranged) are by preferentially removal.And when adding a spot of activated carbon granule, the nonpolar organic matter in the water is removed by preferential.Therefore, it is littler than the amount of needed activated carbon granule to obtain the needed meso-porous alumina particulate of colourless water amount through the organism in the removal water.Simultaneously; Also specific activity charcoal particulate efficient is higher aspect the reduction total content of organic carbon for the meso-porous alumina particle; Thereby; When removing organism in the water, adopt the mixture of meso-porous alumina particle and activated carbon granule can reduce the total mass of required material with the water of the total content of organic carbon that obtains certain numerical value.
In certain embodiments, the water treatment method that the present invention relates to also is included in and with other water treatment method water is handled before or after particle contacts.
Example
Following experimental example can be implemented this invention for the people who has general technical ability in this area reference is provided.
But these examples are not limited to the scope of claim.
Example 1A
Add methyl aceto acetate (26.43 grams to 12 liter of 3 neck flask being furnished with mechanical stirrer and water cooled condenser; 0.203 mole), Triton
(136.76 gram) and Virahol (600 milliliters).ASBD (501.39 grams, 2.04 moles) and 2 liters of Virahols add the flask in stirring.After 30 minutes, with the speed of 8 ml/min add entry (74 milliliters, 4.11mol) and the solution of Virahol (1 liter).Reflux is 24 hours then.Behind the slurries filtration, solid is used extraction using alcohol at apparatus,Soxhlet's, in 100 ℃ of vacuum ovens dry 24 hours then.Solid again in nitrogen after 550 ℃ of pyrolysis in air 550 ℃ of calcinings to obtain the meso-porous alumina solid.
Example 1B
Add methyl aceto acetate (2.65 grams to 1 liter of 3 neck flask being furnished with mechanical stirrer and water cooled condenser; 0.02 mole), Triton
(14 gram) and Virahol (60 milliliters).ASBD (50 grams, 0.2 mole), 200 milliliters of Virahols and two (ketone in the acetyl) molybdenum dioxide (1.63 grams, 0.005 mole) add the flask in stirring.After 30 minutes, add the solution of entry (7.5 milliliters) and Virahol (85 milliliters) with the speed of 0.6 ml/min.Reflux 24 hours and filtering then, solid is used extraction using alcohol at apparatus,Soxhlet's, then 100 ℃ of dryings 24 hours in vacuum oven.Solid again in nitrogen after 550 ℃ of pyrolysis in air 550 ℃ of calcinings to obtain to contain molybdenum meso-porous alumina solid.
Example 1C
Add methyl aceto acetate (2.65 grams to 1 liter of 3 neck flask being furnished with mechanical stirrer and water cooled condenser; 0.02 mole), Triton
(14 gram) and Virahol (60 milliliters).ASBD (50 grams, 0.2 mole) and 200 milliliters of Virahols add the flask in stirring.After 30 minutes, four water ammonium molybdates (0.883 gram, 0.714 mmole) are dissolved in 75 ml waters and mix back speed with 0.6 ml/min with Virahol (85 milliliters) and add.Reflux 24 hours and filtering then, solid use extraction using alcohol at apparatus,Soxhlet's, then 100 ℃ ,-30 inch of mercury pressure drying 24 hours in vacuum oven.Solid again in nitrogen after 550 ℃ of pyrolysis in air 550 ℃ of calcinings to obtain to contain molybdenum meso-porous alumina solid.
Example 1D
The solids extract sample that from routine 1A to 1C, obtains is to carry out performance analysis.Using
asap? 2020 accelerated surface area and porosity systems (
asap? 2020accelerated? surface? area? and? porosimetry? system) for BET measurements.Pore volume is the BJH accumulation absorption volume in the hole between 1.7000nm and 300.0000 nanometer diameters.The average adsorption hole of Kong Kuanwei wide (mean pore size, the 4V/A of BET).All data all are presented at following table 1.In table 1, the solid sample that sample 1 representative obtains at routine 1A, the solid sample of sample 2 for obtaining among the example 1B, sample 3 is the solid samples that obtain among the routine 1C.
Table 1
| |
|
|
|
| BET specific surface area (m 2/g) | 418 | 544 | 401 |
| Pore volume (cm 3/g) | 0.558 | 0.642 | 0.529 |
| The hole wide (mean pore size, nm) | 5.6 | 3.4 | 7.0 |
| Mo content (wt%) | 4.295 | 0.270 |
Example 2
After to state the water of using in the example be the oil extraction waste water of collecting from SAGD factory.Its brown darkly oil colours.After receiving, the total content of organic carbon of this oil extraction waste water is analyzed, is found that its numerical value is 410ppm, after also tested the total content of organic carbon of water in each experiment of stating.
The various alumina particles (as shown in table 2 below) of different mass add the oil extraction waste water of 15 grams respectively.Commercial gamma alumina particle (activity, neutrality, Brockman one-level, PIN 11502) is obtained by the Alfa Aesar company of Massachusetts, United States Ward Xi Er.Do not contain molybdenum and the meso-porous alumina particle that contains one of percentage weight percent molybdenum use respectively with routine 1A and 1B or 1C in the method similar methods make.
Water and particle stirred 24 hours at 80 ℃, then with 0.45 micron strainer filtration.Add before the particle to have carried out testing with total content of organic carbon analyser (Tianjin, island 5050A, Tianjin, island scientific instrument company, Colombia, the Maryland State, the U.S.) and be listed in following table 2 with the concentration of filtering organism in the water of back or carbonaceousmaterial.
Table 2
As shown in table 2, the adsorptive power that contains the molybdenum meso-porous alumina is higher than meso-porous alumina, and the adsorptive power of commercial gamma aluminum oxide is minimum.For example; When the amount of sorbent material is 0.02 gram; Total content of organic carbon is that the water of 253.3ppm drops to 246.0ppm after by commercial gamma alumina adsorption, after the absorption of meso-porous alumina, reduces to 218.3ppm, after containing the absorption of molybdenum meso-porous alumina, becomes 189.6ppm.
Example 3
The activated carbon granule that certain mass (as listed in following table 3 and the table 4) Pennsylvania, America Pittsburgh Calgon Carbon Corporation (Calgon Carbon Corporation) obtains or with example 2 in the identical molybdenum meso-porous alumina particle that contains add 15 gram oil extraction waste waters respectively.The specific surface area of gac is 898.5 meters squared per gram, and pore volume is 0.48 a cubic centimetre/gram.
After 25 ℃ or 80 ℃ stir water and particle 24 hours, with 0.45 micron strainer filtration.Add before the particle with the concentration of filtering organism in the water of back or carbonaceousmaterial and test with total content of organic carbon analyser (Tianjin, island 5050A, Tianjin, island scientific instrument company, Colombia, the Maryland State, the U.S.), the gained result is listed in the table below 3 and table 4.
Table 3
Table 4
From table 3 and 4, can find out, the activated carbon granules of different amounts with contain the absorption of molybdenum meso-porous alumina particle after, total organic carbonaceous amount of water descends before comparing and adding particle, shows in the water of absorption back that organism or carbonaceousmaterial have reduced.Total organic carbonaceous amount of water reduces with the increase of particle addition, for example, and in the time of 80 ℃, when the amount that contains the molybdenum meso-porous alumina is elevated to 0.05 gram from 0.02 gram, total the organic carbonaceous amount of water drops to 109.2ppm by 189.6ppm.It is high to contain molybdenum meso-porous alumina specific activity charcoal adsorption efficiency, for example 0.1 gram contain the molybdenum meso-porous alumina 25 ℃ with 80 ℃ of absorption after the total content of organic carbon of water to restrain the total content of organic carbon of the water of gac after 25 ℃ and 80 ℃ of absorption than 0.25 respectively low.
Find also in the experimentation that along with the increase of particulate amount, the color of the water after the absorption is more and more shallow.Water before handling is dark brown oil colours, and water is colourless after using 2.0 gram charcoal absorptions.0.1 gram contains the water that the molybdenum meso-porous alumina adsorbed in the time of 80 ℃ also almost colourless.Even shown in table 3 and 4; 0.1 gram contains the total content of organic carbon 112.3ppm of the water after the molybdenum meso-porous alumina adsorbs in the time of 25 ℃; The total content of organic carbon that is higher than the water after the 1 gram charcoal absorption in the time of 25 ℃ far away; Be 40.6ppm, but 0.1 gram contain the molybdenum meso-porous alumina adsorb back water in the time of 25 ℃ color than at 25 ℃ the time water after the 1 gram charcoal absorption light a lot.This experiment shows, when grain amount hour, contain the molybdenum meso-porous alumina at the absorption colored organism or to make water present aspect the organism of color the specific activity charcoal more efficient.
Example 4
Get unprocessed and in example 3 gac or contain molybdenum meso-porous alumina absorption after the oil extraction waste water sample evaporate, obtain solid residue.What obtain after the undressed oil extraction waste water evaporation is the solid of black.Use the 300 megahertz Brooker Avance I nuclear magnetic resonance spectrometers that are equipped with Bruker MAS II spin rate unit that solid residue is carried out
13The spectroscopic analysis of C solid state nmr.About 120 milligrams of samples rotate in 4 millimeters Brooker CPMAS probes at 14.000 ± 0.002 kilo hertzs.The cross polarization contact is to keep 2.5 milliseconds at 55.5 kilo hertzs of protons and carbon field.The carbon free induction decay is decoupled in 70 kilo hertzs of protons and is obtained.Collect 512 complicated points (complex point) and spent 16.9 milliseconds.The relaxation that 80000 scannings have accumulated a second postpones.Spectrum uses 50 hertz Gauss to become mark with software, and zero padding (zerofilling) produces to 2,000 complicated points before the Fourier transform.
Shown in Figure 1 is that undressed oil extraction waste water evaporates the back solid residue
13The C NMR spectrum is by its visible peak that from aliphatics to aromatics, also comprises the material of picture carboxylate salt and so on polar functional group.
Referring to Fig. 2, the 45-150-1 curve is among Fig. 1
13The part of C NMR spectrum, and AC-1 curve, AC-2 curve and AC-3 curve are respectively 0.25 gram in routine 3,0.5 gram, the solid residue thing after the sample evaporation of the water that 1 gram activated carbon granule produces after oil extraction waste water is adsorbed
13The corresponding section of C NMR spectrum.The curve of research among Fig. 2 can be found the phenomenon that aliphatics material resonance selectivity disappears after the activated carbon treatment in a small amount, show when the usage quantity of gac hour, the nonpolar fatty family material in the water has preferentially been removed.
Referring to Fig. 3, the 45-150-1 curve is among Fig. 1
13The part of C NMR spectrum, and MAL-1, MAL-2 and MAL-3 curve are respectively solid residue thing corresponding of the water sample evaporation gained after 0.02 gram in the example 3,0.05 gram, 0.1 gram contain molybdenum meso-porous alumina particle oil extraction waste water is handled
13The C NMR spectrum.With the solid residue of water after the activated carbon treatment
13The result that the C NMR spectrum is observed is different, contain molybdenum meso-porous alumina particle disposal in a small amount after, selective removal be aromatic series and polar material, and after containing molybdenum meso-porous alumina amount and increasing, the time that aliphatics resonance continues is longer relatively.
Shown in Figure 4 is the 45-150-1 curve, the comparison of AC-1 curve and MAL-2 curve.Earlier figures can help to be interpreted as what contains the processing of the processing of molybdenum meso-porous alumina compared to gac, can obtain colourless water at higher levels of total content of organic carbon.Aluminum oxide is more prone to remove earlier polar and the organism or the carbonaceousmaterial that possibly produce color.
Example 5
Oil extraction waste water 80 ℃ with activated carbon granule with contain that molybdenum meso-porous alumina particle adsorbs with different orders successively or absorption simultaneously: experiment 5a:, remove to add behind the activated carbon granule and contain molybdenum meso-porous alumina particle restir and adsorbed 24 hours with activated carbon granule whip attachment 24 hours; Experiment 5b: contain molybdenum meso-porous alumina particle whip attachment after 24 hours, removal contains molybdenum meso-porous alumina particle, and then adds the activated carbon granule whip attachment 24 hours; And experiment 5c: contain molybdenum meso-porous alumina particle and gac carbon granule and added whip attachment simultaneously 48 hours.
The activated carbon granule that uses in the above-mentioned experiment with contain identical in 3 of molybdenum meso-porous alumina particle and example, it is respectively with the ratio of water separately: 1 gram gac: 60 gram water and 1 gram contain the molybdenum meso-porous alumina: 300 gram water.Surveyed the total content of organic carbon of water in the experimentation, the result is as shown in table 5 below.
Table 5
Can find out from last table 5; Through 24 hours; The remaining total content of organic carbon of water is tested the low of 5a in experiment 5b and 5c; Show to contain molybdenum meso-porous alumina and better than adsorption effect under equal conditions, and the remaining total content of organic carbon of the water of experiment 5c much lower than other two experiments shows the adsorption effect that the sorbent material combination has the best with the mixture of gac and gac.After 48 hours, the residual total content of organic carbon of water is respectively 19.2ppm and 18.7ppm among experiment 5b and the 5c, all far below the 63.3ppm that tests 5a.
The color aspect of water, after 24 hours, the brown water color of experiment 5b is the most shallow, and the brown of water is more shallow than the brown of water among the experiment 5a among the experiment 5c.After 48 hours, the water of experiment 5b and 5c is all colourless and water experiment 5a is almost colourless.
Though describe the present invention in conjunction with the specific embodiments, those skilled in the art will appreciate that and to make many modifications and modification the present invention.Therefore, recognize that the intention of claims is to cover all such modifications and the modification in true spirit of the present invention and the scope.
Claims (16)
1. water treatment method; It comprises the water that contains first concentration organic is contacted with the meso-porous alumina particle to obtain to contain the treating water of second concentration organic lower than first concentration; And separating treatment water and meso-porous alumina particle, wherein meso-porous alumina particulate BET specific surface area is about 200m
2/ g is to about 600m
2/ g, pore volume is about 0.1cm
3/ g is to about 1.0cm
3/ g.
2. water treatment method as claimed in claim 1, wherein organic first and second concentration are represented with total content of organic carbon, and the color of treating water is than contacting the of light color of the preceding water of meso-porous alumina particle.
3. water treatment method as claimed in claim 1 further comprises water and BET specific surface area are about 200m
2/ g is to about 1000m
2/ g, pore volume is about 0.1cm
3/ g is to about 1.0cm
3The carbon-based adsorbent particle contact of/g.
4. water treatment method as claimed in claim 3, wherein carbon-based adsorbent is gac and water contact meso-porous alumina particle before the contact gac.
5. water treatment method as claimed in claim 3, wherein carbon-based adsorbent is that gac and water contact with meso-porous alumina particulate mixture with gac.
6. like the described water treatment method of each claim in the claim 1 to 5, wherein meso-porous alumina particulate BET specific surface area is about 300m
2/ g is to about 550m
2/ g, pore volume is about 0.4cm
3/ g is to about 0.9cm
3/ g.
7. like the described water treatment method of each claim in the claim 1 to 5, wherein the meso-porous alumina particle obtains through aluminium-alcohol salt is reacted under the situation that polyoxyethylene glycol phenyl ether template exists.
8. water treatment method as claimed in claim 7, wherein polyoxyethylene glycol phenyl ether template is a Value 3608.
9. water treatment method as claimed in claim 8 further comprises aluminium-alcohol salt is reacted under the situation of methyl aceto acetate and the existence of Value 3608 template.
10. water treatment method as claimed in claim 9, wherein aluminium-alcohol salt is an ASBD.
11. like the described water treatment method of each claim in the claim 1 to 5, wherein the meso-porous alumina particle contains molybdenum.
12. water treatment method as claimed in claim 11, wherein molybdenum accounts for about 0.05 percent to about percent 10 of meso-porous alumina particle gross weight.
13. water treatment method as claimed in claim 11, wherein molybdenum accounts for about percent 0.1 to about percent 5 of meso-porous alumina particle gross weight.
14. like the described water treatment method of each claim in the claim 1 to 5, wherein water passes the particulate pillar is housed.
15. like the described water treatment method of each claim in the claim 1 to 5, wherein water contacts with particle to being lower than about 100 ℃ temperature at about 5 ℃.
16. like the described water treatment method of each claim in the claim 1 to 5, wherein water contacts with particle at about 80 ℃ or 25 ℃.
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