CN1544352A - Nanometer material for water purifying and heavy metal removal, preparation method and uses - Google Patents

Nanometer material for water purifying and heavy metal removal, preparation method and uses Download PDF

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Publication number
CN1544352A
CN1544352A CNA2003101100761A CN200310110076A CN1544352A CN 1544352 A CN1544352 A CN 1544352A CN A2003101100761 A CNA2003101100761 A CN A2003101100761A CN 200310110076 A CN200310110076 A CN 200310110076A CN 1544352 A CN1544352 A CN 1544352A
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water purifying
purifying material
preparation
nano water
glass fibre
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CNA2003101100761A
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Chinese (zh)
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CN1225412C (en
Inventor
炜 韩
韩炜
李素文
李鱼
王珩
赵晖
王月
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Jilin University
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Jilin University
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Abstract

The present invention relates to the field of water purification, in particular a series of macromolecular nano water purification material and process for preparing the material, wherein macromolecular material is used as bulking agent and nano material is used as filtering member for effective processing to the heavy metals in the water, the shape of the material includes laminated, circular, curled tubular and sheet shaped, the predominating constituent of the material being oxidization - oxyhydrogen phase of aluminium, 30-60%, fiber glass 10-35%, cellulose 15-40%, wherein the grain diameter of alumina - aluminium hydroxide is 15-80 nanometer, the specific surface area is 200-800 square meter per gram.

Description

Remove nano water purifying material, preparation method and the application of heavy metal
Technical field
The invention belongs to the water purification field, being specifically related to a series of is that weighting agent, nano material are filtering bodies with the macromolecular material, the nano water purifying material that the heavy metal in the sewage can be removed fully, and the preparation method of nano water purifying material.
Technical background
In recent years, be accompanied by developing rapidly of global economy, water pollution is serious day by day, and poisonous in the water, objectionable impurities obviously increases, also aggravation day by day of heavy metal contamination in all kinds of water bodys, and life and the health to people has caused huge threat.With regard to China, over nearly 5 years the monitoring of a few class water bodys such as China vertical many rivers, lake and reservoir is found that the pollution of mercury is very outstanding according to relevant department.Urban river has 35.11% section total mercury to occur to surpass surface water III class water body standard, and 21.43% section year average exceeds standard.The Jinan Xiaoqinghe River that northern area exceeds standard the highest exceeds standard 8 times; Pollute the heaviest Shanghai Suzhou River in the urban river of south and exceed standard 22 times; And find that in to city rivers pollution thing monitoring cadmium pollution is only second to mercury pollution as the drinking water source, and urban river has 18.46% the total cadmium of stream cross section above III class water body standard, and 9.23% section year average surpasses III class water body standard; Cadmium and lead also are commonplace heavy metal contaminants, find in the investigation to each big lake of China that in recent years these two kinds of metals present ascendant trend always, have begun to have influence on the quality of water body; Heavy metal contamination does not exist only in surface water body, is a problem that can not be ignored in body of groundwater yet.According to investigations, the underground water in the most cities of China all in various degree exist outstanding quality problem, and urban life pollution, industrial pollution, to drink raw sewerage irrigated farmland and geologic condition deterioration etc. be the major cause that pollutes.According to statistics, national quality of groundwater exceeds standard (III class body of groundwater standard) area greater than 200km 2The city have 11.1%, the area that exceeds standard is at 100-200km 2Have 18.5%, 20--100km 2Have 48.2%, its principal pollutant are heavy metal (as sexavalent chrome, mercury etc.).By the above as can be seen, solve the heavy metal pollution problem that becomes increasingly conspicuous in surface water body, body of groundwater, the drinking water source, for increasing water quality, protect people ' s health and safety that crucial meaning is arranged.
The water purification technology of removing heavy metal at present mainly contains: the precipitator method, resin method, polymer trapping agent method, natural zeolite absorption method, membrane technique, active carbon absorption technology, ion exchange method etc.By domestic and international research as can be seen, the place to go of heavy metal ion in the water is had many diverse ways really, these processing method ubiquities the shortcoming that the counterweight Metal Ion Selective Electrode is poor, efficient is low, cost is high.
Summary of the invention
The objective of the invention is: provide a series of by being that weighting agent, nano material are the nano water purifying material that filtering bodies can effectively be removed the heavy metal in the water with the macromolecular material.
Another object of the present invention provides the preparation method of above-mentioned nano water purifying material.
As shown in Figure 1, be nano water purifying material of the present invention, its shape comprises that stratiform circle, curling tubular and its major ingredient of sheet are oxidation-hydroxide phase: the 30-60% of aluminium, glass fibre: 10-35%, Mierocrystalline cellulose: 15-40%, wherein the particle diameter of oxidation-aluminium hydroxide is the 15-80 nanometer, specific surface area 200-800 meters squared per gram.
The preparation method of nano water purifying material is as follows:
1. be in the acidic solution 10-100ml of the 0.5-10.5g/l aqeous suspension that adds glass fibre (1.5-15.5g) (wherein glass fibre 0.5-15.8g, distilled water 100-500ml) with concentration, with mixture heating up to 20-120 ℃;
2. mixture after will heating takes out and to wherein dropping into the aluminium powder 0.2-10.2g that particle diameter is 15-70nm, place ultra-sonic generator (K-100 type ultrasonic cleaner) then, ultrasonic 0.3-5.5h under 20-150 ℃ of temperature, the alcoholic solution 10-110ml that adds the tetraethyl orthosilicate ester of 0.5-20g/l afterwards continues vibration 5-55min, take out then, at room temperature cooling;
3. with concentration polyvinyl alcohol-[CH of 0.04-5.64g/l 2CHOH-]- nIn the aqeous suspension of solution 20-120ml adding 0.5-10.5g Mierocrystalline cellulose (activated carbon fiber, polyethylene) (polyethylene is an alcohol suspension), Mierocrystalline cellulose (activated carbon fiber, polyethylene) 1.0-11g wherein, distilled water 200-600ml (50-150ml ethanol), in, immersion, homogeneous 1-8h;
4. the mixture that step 2,3 is made filters with B;
5. dry 1.5-10h obtains the white circle in loft drier under 40-180 ℃ of temperature, tubular and flaky nano water purifying material of the present invention curl with filtrate.
Nano water purifying material of the present invention can be widely used in fields such as water purifier.For example if nano water purifying material 15--30g of the present invention is contained in the purifier of certain small-sized water purifier, handle various sewage with it, can use continuously about 710--1430h, then used nano water purifying material be taken out, use through still continuing after the regeneration.When repeating regeneration, nano water purifying material uses the material that can more renew again 8-10 time.In view of this, nano water purifying material of the present invention has that volume is little, and the life-span is long, and cost is low, and is effective, and therefore the advantage that purposes is wide can be widely used in the water purification field.
Table one is removed Cd 2+Experimental data
??45min ????-0.002 ????0.000 ????0.000 ????-0.001 ????0.000 ????0.000
??50min ????0.000 ????0.000 ????0.000 ????-0.001 ????-0.002 ????0.000
??60min ????-0.001 ????0.000 ????-0.002 ????-0.001 ????0.000 ????-0.001
??70min ????0.000 ????-0.001 ????-0.001 ????-0.001 ????-0.001 ????-0.002
??80min ????0.000 ????0.000 ????-0.001 ????0.000 ????0.000 ????-0.001
??90min ????-0.001 ????-0.001 ????0.000 ????0.000 ????-0.002 ????0.000
??100min ????0.001 ????0.001 ????0.001 ????0.001 ????0.001 ????0.001
??110min ????0.001 ????0.002 ????0.001 ????0.002 ????0.003 ????0.002
??120min ????0.003 ????0.003 ????0.002 ????0.002 ????0.004 ????0.002
??130min ????0.004 ????0.003 ????0.003 ????0.003 ????0.003 ????0.003
??140min ????0.005 ????0.004 ????0.003 ????0.004 ????0.004 ????0.003
??150min ????0.005 ????0.004 ????0.004 ????0.002 ????0.004 ????0.004
??165min ????0.006 ????0.005 ????0.004 ????0.003 ????0.005 ????0.004
??180min ????0.007 ????0.006 ????0.005 ????0.004 ????0.005 ????0.005
??195min ????0.005 ????0.006 ????0.006 ????0.004 ????0.006 ????0.003
??210min ????0.006 ????0.004 ????0.006 ????0.005 ????0.006 ????0.005
??225min ????0.007 ????0.006 ????0.005 ????0.005 ????0.007 ????0.006
??240min ????0.007 ????0.007 ????0.006 ????0.006 ????0.005 ????0.006
??255min ????0.008 ????0.005 ????0.007 ????0.006 ????0.006 ????0.006
??270min ????0.009 ????0.007 ????0.008 ????0.007 ????0.007 ????0.007
??285min ????0.009 ????0.007 ????0.008 ????0.007 ????0.007 ????0.007
??300min ????0.010 ????0.008 ????0.009 ????0.008 ????0.009 ????0.008
??320min ????0.013 ????0.11 ????0.010 ????0.008 ????0.010 ????0.008
??340min ????0.017 ????0.014 ????0.012 ????0.012 ????0.013 ????0.011
??360min ????0.017 ????0.015 ????0.015 ????0.015 ????0.014 ????0.013
??380min ????0.020 ????0.018 ????0.017 ????0.016 ????0.015 ????0.015
??400min ????0.025 ????0.020 ????0.019 ????0.017 ????0.015 ????0.017
??420min ????0.023 ????0.022 ????0.021 ????0.023 ????0.024 ????0.020
??440min ????0.024 ????0.024 ????0.024 ????0.021 ????0.024 ????0.023
??460min ????0.029 ????0.027 ????0.025 ????0.026 ????0.024 ????0.025
??480min ????0.031 ????0.029 ????0.023 ????0.028 ????0.026 ????0.027
??500min ????0.033 ????0.031 ????0.030 ????0.032 ????0.033 ????0.030
??515min ????0.037 ????0.034 ????0.035 ????0.034 ????0.035 ????0.032
??530min ????0.042 ????0.037 ????0.039 ????0.038 ????0.035 ????0.036
??545min ????0.045 ????0.041 ????0.043 ????0.042 ????0.043 ????0.040
??560min ????0.047 ????0.045 ????0.046 ????0.044 ????0.045 ????0.044
??575min ????0.050 ????0.048 ????0.049 ????0.046 ????0.047 ????0.046
??590min ????0.053 ????0.051 ????0.052 ????0.051 ????0.050 ????0.049
??605min ????0.055 ????0.054 ????0.055 ????0.053 ????0.053 ????0.051
??620min ????0.058 ????0.057 ????0.058 ????0.056 ????0.055 ????0.054
??635min ????0.061 ????0.059 ????0.060 ????0.058 ????0.059 ????0.057
??650min ????0.064 ????0.061 ????0.063 ????0.062 ????0.063 ????0.061
??660min ????0.065 ????0.061 ????0.059 ????0.063 ????0.060 ????0.063
??670min ????0.063 ????0.064 ????0.065 ????0.065 ????0.062 ????0.064
??680min ????0.067 ????0.066 ????0.067 ????0.065 ????0.065 ????0.067
??690min ????0.069 ????0.068 ????0.069 ????0.067 ????0.068 ????0.066
??700min ????0.071 ????0.069 ????0.070 ????0.068 ????0.070 ????0.069
??710min ????0.075 ????0.073 ????0.074 ????0.072 ????0.073 ????0.071
??720min ????0.078 ????0.076 ????0.071 ????0.075 ????0.076 ????0.074
????730min ????0.074 ????0.076 ????0.073 ????0.074 ????0.076 ????0.072
??740min ????0.073 ????0.078 ????0.075 ????0.078 ????0.076 ????0.073
??750?min ????0.079 ????0.074 ????0.077 ????0.079 ????0.071 ????0.075
??755min ????0.081 ????0.079 ????0.079 ????0.078 ????0.075 ????0.070
??760min ????0.083 ????0.080 ????0.081 ????0.082 ????0.077 ????0.072
??765min ????0.085 ????0.084 ????0.085 ????0.082 ????0.079 ????0.075
??770min ????0.088 ????0.085 ????0.087 ????0.086 ????0.079 ????0.080
??775min ????0.087 ????0.087 ????0.089 ????0.088 ????0.081 ????0.077
??780min ????0.088 ????0.089 ????0.091 ????0.088 ????0.083 ????0.079
??785min ????0.092 ????0.087 ????0.090 ????0.091 ????0.083 ????0.081
??790min ????0.091 ????0.089 ????0.091 ????0.087 ????0.086 ????0.081
??795min ????0.093 ????0.088 ????0.093 ????0.009 ????0.088 ????0.083
??800min ????0.095 ????0.090 ????0.092 ????0.091 ????0.082 ????0.085
??802min ????0.098 ????0.090 ????0.095 ????0.093 ????0.085 ????0.085
??804min ????0.101 ????0.088 ????0.097 ????0.095 ????0.088 ????0.086
??806min ????0.100 ????0.091 ????0.099 ????0.094 ????0.089 ????0.086
??808min ????0.102 ????0.091 ????0.099 ????0.095 ????0.092 ????0.086
??810min ????0.102 ????0.091 ????0.099 ????0.095 ????0.092 ????0.086
Annotate: the quality of each sample and thickness are respectively in the table:
A：0.2688g，2.2mm????B：0.2653g，2.6mm
C：0.2690g，2.8mm????D：0.2744g，2.7mm
E：0.2687g，2.6mm????F：0.2751g，2.8mm
Table one contains Cd for using nano water purifying material of the present invention to handle 2+Experimental data.According to drinking water sanitary standard, Cd 2+The water quality standard that goes out be 0.01mg/l (seeing " water and effluent monitoring analytical procedure " P575).And from table, find out that obviously nano water purifying material of the present invention just can be with Cd at 10s 2+Remove fully, remove efficient at the preceding 100min of experiment and all can reach 100%, remove efficient behind the 100min and reduce gradually, materials A at 300min, material B, C, E at 320min, material D, the F Cd in the 340min water outlet 2+Reach or be above standard, and reach maximum saturation in the removal ability of 808min (material B, C be at 806min, c, material F is at 804min) back material.By the table in as can be seen, material of the present invention is for heavy metal (Cd 2+) have the advantages that the removal ability is big, efficient is high, and have very big saturation ratio.
In addition, experimental data is to use as quality listed in the remarks and thickness of material in the table, if its thickness is increased (being that quality also increases), then for same water in processing and the table, its removal ability, duration of service and saturation ratio also increase accordingly.(this passed through experiment showed, no longer itemize data).
Table two is removed Cd 2+Experimental data (use regenerated nano water purifying material)
Figure A20031011007600091
??110min ??0.001 ????0.003 ????0.002 ????0.002 ???0.001 ???0.001
??120min ??0.003 ????0.004 ????0.002 ????0.002 ???0.002 ???0.002
??130min ??0.004 ????0.004 ????0.003 ????0.003 ???0.003 ???0.002
??140min ??0.005 ????0.005 ????0.003 ????0.004 ???0.003 ???0.003
??150min ??0.005 ????0.005 ????0.004 ????0.002 ???0.004 ???0.003
??165min ??0.004 ????0.006 ????0.004 ????0.003 ???0.005 ???0.004
??180min ??0.007 ????0.006 ????0.005 ????0.004 ???0.005 ???0.004
??195min ??0.005 ????0.006 ????0.006 ????0.004 ???0.006 ???0.003
??210min ??0.006 ????0.004 ????0.006 ????0.005 ???0.006 ???0.005
??225min ??0.007 ????0.006 ????0.005 ????0.005 ???0.007 ???0.006
??240min ??0.007 ????0.007 ????0.006 ????0.006 ???0.005 ???0.005
??255min ??0.008 ????0.005 ????0.007 ????0.006 ???0.006 ???0.006
??270min ??0.008 ????0.007 ????0.009 ????0.007 ???0.007 ???0.007
??285min ??0.009 ????0.007 ????0.010 ????0.007 ???0.007 ???0.007
??300min ??0.010 ????0.008 ????0.009 ????0.008 ???0.009 ???0.008
??320min ??0.012 ????0.11 ????0.010 ????0.009 ???0.010 ???0.009
??340min ??0.016 ????0.014 ????0.012 ????0.012 ???0.013 ???0.011
??360min ??0.017 ????0.015 ????0.015 ????0.015 ???0.014 ???0.013
??380min ??0.020 ????0.018 ????0.017 ????0.016 ???0.015 ???0.015
??400min ??0.021 ????0.020 ????0.019 ????0.017 ???0.015 ???0.017
??420min ??0.023 ????0.022 ????0.021 ????0.023 ???0.024 ???0.020
??440min ??0.024 ????0.024 ????0.024 ????0.021 ???0.024 ???0.023
??460min ??0.029 ????0.027 ????0.025 ????0.026 ???0.024 ???0.025
??480min ??0.031 ????0.029 ????0.023 ????0.028 ???0.026 ???0.027
??500min ??0.033 ????0.031 ????0.031 ????0.032 ???0.033 ???0.030
??515min ??0.036 ????0.034 ????0.035 ????0.034 ???0.035 ???0.032
??530min ??0.040 ????0.037 ????0.039 ????0.038 ???0.035 ???0.034
??545min ??0.045 ????0.041 ????0.043 ????0.042 ???0.043 ???0.036
??560min ??0.047 ????0.045 ????0.046 ????0.044 ???0.045 ???0.039
??575min ????0.050 ????0.048 ????0.049 ????0.046 ????0.047 ????0.041
??590min ????0.053 ????0.051 ????0.052 ????0.051 ????0.050 ????0.043
??605min ????0.055 ????0.054 ????0.055 ????0.053 ????0.053 ????0.045
??620min ????0.057 ????0.057 ????0.058 ????0.056 ????0.055 ????0.047
??635min ????0.060 ????0.059 ????0.061 ????0.058 ????0.059 ????0.048
??650min ????0.064 ????0.061 ????0.063 ????0.062 ????0.063 ????0.050
??660min ????0.065 ????0.061 ????0.059 ????0.063 ????0.060 ????0.052
??670min ????0.063 ????0.064 ????0.065 ????0.065 ????0.062 ????0.054
??680min ????0.067 ????0.066 ????0.067 ????0.065 ????0.065 ????0.056
??690min ????0.069 ????0.068 ????0.069 ????0.067 ????0.068 ????0.058
??700min ????0.071 ????0.069 ????0.070 ????0.068 ????0.070 ????0.059
??710min ????0.075 ????0.073 ????0.074 ????0.072 ????0.073 ????0.060
??720min ????0.077 ????0.076 ????0.071 ????0.075 ????0.076 ????0.062
??730min ????0.074 ????0.077 ????0.073 ????0.074 ????0.076 ????0.064
??740min ????0.073 ????0.078 ????0.075 ????0.078 ????0.076 ????0.065
??750min ????0.079 ????0.074 ????0.077 ????0.079 ????0.071 ????0.067
??755min ????0.081 ????0.079 ????0.079 ????0.078 ????0.075 ????0.068
??760min ????0.083 ????0.080 ????0.081 ????0.082 ????0.077 ????0.069
??765min ????0.085 ????0.084 ????0.085 ????0.084 ????0.079 ????0.070
??770min ????0.085 ????0.085 ????0.087 ????0.086 ????0.079 ????0.071
??775min ????0.087 ????0.087 ????0.087 ????0.088 ????0.081 ????0.073
??780min ????0.088 ????0.087 ????0.091 ????0.088 ????0.082 ????0.05
??785min ????0.092 ????0.087 ????0.090 ????0.091 ????0.083 ????0.077
??790min ????0.091 ????0.089 ????0.091 ????0.087 ????0.086 ????0.078
??795min ????0.093 ????0.088 ????0.093 ????0.009 ????0.088 ????0.080
??800min ????0.095 ????0.090 ????0.092 ????0.091 ????0.082 ????0.082
??802min ????0.098 ????0.090 ????0.095 ????0.093 ????0.085 ????0.083
??804min ????0.100 ????0.089 ????0.097 ????0.095 ????0.088 ????0.085
??806min ????0.101 ????0.090 ????0.098 ????0.094 ????0.089 ????0.085
??808min ????0.102 ????0.091 ????0.099 ????0.095 ????0.092 ????0.086
??810min ????0.102 ????0.091 ????0.099 ????0.095 ????0.092 ????0.086
Annotate: the quality of each sample and thickness are respectively in the table:
A：0.2687g，2.2mm????B：0.26531g，2.6mm
C：0.2688g，2.7mm????D：0.2743g，2.7mm
E：0.2686g，2.5mm????F：0.2751g，2.8mm
Table two contains Cd for using the nano water purifying material of regenerating to handle 2+The experimental data of sewage.Used nano water purifying material is regenerated in autoclave, it is applied to handle then again and contains Cd 2+Sewage.Experimental data from table does not almost have difference before its general effect and the regeneration, this shows, material regeneration is simple, thorough, reusable.
Table three is removed Cr 6+Experimental data
Figure A20031011007600121
??16min ????0.000 ???-0.001 ???0.000 ???-0.002 ???0.000 ???0.000
??19min ????-0.001 ???0.000 ???-0.001 ???-0.001 ???-0.002 ???-0.001
??22min ????-0.001 ???-0.001 ???-0.001 ???0.000 ???0.000 ???0.000
??25min ????0.000 ???0.000 ???0.000 ???0.000 ???-0.001 ???0.000
??30min ????-0.002 ???0.000 ???-0.002 ???-0.001 ???0.000 ???-0.001
??35min ????0.000 ???0.000 ???0.000 ???0.000 ???0.000 ???0.000
??40min ????0.000 ???0.000 ???0.000 ???0.000 ???0.000 ???0.000
??45min ????-0.002 ???0.000 ???0.000 ???-0.001 ???0.000 ???0.000
??50min ????0.000 ???0.000 ???0.000 ???-0.001 ???-0.002 ???0.000
??60min ????-0.001 ???0.000 ???-0.002 ???-0.001 ???0.000 ???-0.001
??70min ????0.000 ???0.000 ???0.000 ???0.000 ???0.000 ???0.000
??80min ????0.000 ???0.001 ???0.000 ???0.000 ???-0.001 ???0.000
??90min ????0.001 ???0.002 ???0.001 ???0.001 ???0.001 ???0.001
??100min ????0.002 ???0.003 ???0.002 ???0.002 ???0.002 ???0.001
??110min ????0.003 ???0.004 ???0.003 ???0.002 ???0.003 ???0.002
??120min ????0.003 ???0.005 ???0.004 ???0.003 ???0.004 ???0.002
??130min ????0.004 ???0.006 ???0.005 ???0.004 ???0.004 ???0.003
??140min ????0.005 ???0.007 ???0.006 ???0.005 ???0.005 ???0.004
??150min ????0.006 ???0.008 ???0.007 ???0.006 ???0.005 ???0.005
??165min ????0.008 ???0.010 ???0.009 ???0.008 ???0.006 ???0.006
??180min ????0.011 ???0.012 ???0.011 ???0.010 ???0.010 ???0.008
??195min ????0.013 ???0.014 ???0.013 ???0.012 ???0.012 ???0.010
??210min ????0.016 ???0.016 ???0.015 ???0.014 ???0.013 ???0.012
??225min ????0.020 ???0.021 ???0.019 ???0.019 ???0.018 ???0.016
??240min ????0.023 ???0.025 ???0.024 ???0.023 ???0.021 ???0.020
??255min ????0.027 ???0.029 ???0.028 ???0.027 ???0.025 ???0.023
??270min ????0.029 ???0.031 ???0.030 ???0.028 ???0.027 ???0.026
??285min ????0.032 ???0.034 ???0.033 ???0.031 ???0.029 ???0.028
??300min ????0.035 ???0.037 ???0.036 ???0.034 ???0.032 ???0.031
??320min ????0.040 ????0.42 ????0.041 ????0.039 ????0.039 ????0.037
??340min ????0.045 ????0.048 ????0.047 ????0.044 ????0.043 ????0.041
??360min ????0.049 ????0.050 ????0.049 ????0.048 ????0.048 ????0.047
??380min ????0.055 ????0.056 ????0.056 ????0.055 ????0.053 ????0.052
??400?min ????0.061 ????0.063 ????0.062 ????0.060 ????0.060 ????0.059
??420min ????0.068 ????0.070 ????0.069 ????0.068 ????0.067 ????0.065
??440min ????0.074 ????0.076 ????0.075 ????0.074 ????0.073 ????0.071
??460min ????0.080 ????0.84 ????0.082 ????0.080 ????0.079 ????0.078
??480min ????0.087 ????0.091 ????0.089 ????0.088 ????0.086 ????0.084
??500min ????0.093 ????0.100 ????0.096 ????0.094 ????0.092 ????0.090
??515min ????0.101 ????0.109 ????0.106 ????0.102 ????0.101 ????0.099
??530min ????0.108 ????0.121 ????0.111 ????0.107 ????0.107 ????0.105
??545min ????0.116 ????0.129 ????0.125 ????0.115 ????0.114 ????0.112
??560min ????0.122 ????0.138 ????0.131 ????0.121 ????0.120 ????0.119
??575min ????0.129 ????0.147 ????0.144 ????0.128 ????0.126 ????0.124
??590min ????0.135 ????0.155 ????0.151 ????0.134 ????0.132 ????0.131
??605min ????0.141 ????0.160 ????0.158 ????0.139 ????0.137 ????0.136
??620min ????0.150 ????0.169 ????0.163 ????0.150 ????0.147 ????0.145
??625min ????0.159 ????0.178 ????0.170 ????0.157 ????0.155 ????0.152
??650min ????0.174 ????0.182 ????0.179 ????0.172 ????0.170 ????0.168
??660min ????0.197 ????0.201 ????0.200 ????0.196 ????0.195 ????0.194
??670min ????0.215 ????0.219 ????0.217 ????0.214 ????0.212 ????0.210
??680min ????0.232 ????0.235 ????0.233 ????0.230 ????0.228 ????0.227
??690min ????0.258 ????0.260 ????0.259 ????0.254 ????0.253 ????0.254
??700min ????0.273 ????0.276 ????0.275 ????0.271 ????0.269 ????0.268
??710min ????0.296 ????0.302 ????0.298 ????0.295 ????0.293 ????0.292
??720min ????0.315 ????0.317 ????0.316 ????0.314 ????0.313 ????0.312
??730min ????0.337 ????0.340 ????0.339 ????0.336 ????0.335 ????0.333
??740min ????0.354 ????0.359 ????0.356 ????0.354 ????0.352 ????0.350
??750min ??0.373 ??0.381 ??0.378 ??0.372 ??0.370 ??0.368
??755min ??0.389 ??0.399 ??0.394 ??0.387 ??0.385 ??0.383
??760min ??0.401 ??0.412 ??0.410 ??0.400 ??0.399 ??0.396
??765min ??0.418 ??0.430 ??0.427 ??0.418 ??0.417 ??0.415
??770min ??0.432 ??0.443 ??0.441 ??0.431 ??0.430 ??0.427
??775min ??0.440 ??0.447 ??0.445 ??0.441 ??0.440 ??0.436
??780min ??0.449 ??0.454 ??0.452 ??0.449 ??0.447 ??0.444
??785min ??0.459 ??0.461 ??0.460 ??0.457 ??0.456 ??0.451
??790min ??0.466 ??0.468 ??0.467 ??0.464 ??0.464 ??0.462
??795min ??0.474 ??0.475 ??0.474 ??0.473 ??0.472 ??0.471
??800min ??0.483 ??0.486 ??0.484 ??0.482 ??0.480 ??0.480
??802min ??0.491 ??0.494 ??0.492 ??0.490 ??0.491 ??0.489
??804min ??0.495 ??0.499 ??0.498 ??0.494 ??0.493 ??0.491
??806min ??0.499 ??0.503 ??0.501 ??0.497 ??0.494 ??0.491
??808min ??0.499 ??0.504 ??0.503 ??0.498 ??0.495 ??0.492
??810min ??0.500 ??0.505 ??0.503 ??0.499 ??0.495 ??0.492
Annotate: the quality of each sample and thickness are respectively in the table:
A：0.2712g，2.7mm????B：0.2677g，2.6mm
C：0.2710g，2.6mm????D：0.2644g，2.5mm
E：0.2698g，2.7mm????F：0.2738g，2.8mm
Table three contains Cr for using nano water purifying material of the present invention to handle 6+Experimental data.According to drinking water sanitary standard, Cr 6+The water quality standard that goes out be 0.05mg/l (seeing " water and effluent monitoring analytical procedure " P575).And from table, find out that obviously nano water purifying material of the present invention just can be with Cr at 10s 6+Remove fully, remove efficient at the preceding 90min (material B is at preceding 80min) of experiment and all can reach 100%, (material B is behind 80min) removal efficient reduces gradually behind the 90min, and each material is at 380min (material B is at 360min), the Cr in the water outlet 6+Reach or be above standard, and reach maximum saturation in the removal ability of 810min (material C, F are at 808min) back material.By the table in as can be seen, material of the present invention is for heavy metal (Cr 6+) have the advantages that the removal ability is big, efficient is high, and have very big saturation ratio.
In addition, experimental data is to use as quality listed in the remarks and thickness of material in the table, if its thickness is increased (being that quality also increases), then for same water in processing and the table, its removal ability, duration of service and saturation ratio also increase accordingly.(this passed through experiment showed, no longer itemize data).
Table four is removed Cr 6+Experimental data (use regenerated nano water purifying material)
??45min ????-0.002 ????0.000 ????0.000 ????-0.001 ????0.000 ????0.000
??50min ????0.000 ????0.000 ????0.000 ????0.000 ????-0.002 ????-0.001
??60min ????0.000 ????0.000 ????-0.001 ????0.000 ????0.000 ????-0.001
??70min ????0.001 ????0.001 ????0.001 ????0.000 ????0.000 ????0.000
??80min ????0.001 ????0.001 ????0.001 ????0.001 ????0.001 ????0.000
??90min ????0.002 ????0.002 ????0.002 ????0.001 ????0.001 ????0.001
??100min ????0.002 ????0.003 ????0.002 ????0.002 ????0.003 ????0.001
??110min ????0.003 ????0.005 ????0.003 ????0.003 ????0.003 ????0.002
??120min ????0.004 ????0.006 ????0.004 ????0.003 ????0.004 ????0.002
??130min ????0.005 ????0.007 ????0.005 ????0.004 ????0.004 ????0.003
??140min ????0.006 ????0.008 ????0.006 ????0.005 ????0.005 ????0.004
??150min ????0.008 ????0.009 ????0.007 ????0.006 ????0.006 ????0.005
??165min ????0.010 ????0.011 ????0.010 ????0.009 ????0.007 ????0.007
??180min ????0.012 ????0.013 ????0.011 ????0.010 ????0.009 ????0.009
??195min ????0.014 ????0.015 ????0.014 ????0.012 ????0.011 ????0.010
??210min ????0.016 ????0.017 ????0.015 ????0.015 ????0.014 ????0.014
??225min ????0.019 ????0.020 ????0.018 ????0.019 ????0.018 ????0.017
??240min ????0.022 ????0.025 ????0.023 ????0.022 ????0.020 ????0.020
??255min ????0.026 ????0.029 ????0.027 ????0.026 ????0.024 ????0.024
??270min ????0.028 ????0.033 ????0.031 ????0.027 ????0.026 ????0.025
??285min ????0.031 ????0.035 ????0.034 ????0.030 ????0.029 ????0.029
??300min ????0.035 ????0.038 ????0.035 ????0.034 ????0.032 ????0.031
??320min ????0.040 ????0.042 ????0.040 ????0.039 ????0.037 ????0.036
??340min ????0.044 ????0.047 ????0.046 ????0.044 ????0.042 ????0.043
??360min ????0.049 ????0.050 ????0.048 ????0.048 ????0.047 ????0.045
??380min ????0.054 ????0.057 ????0.054 ????0.053 ????0.051 ????0.050
??400min ????0.061 ????0.063 ????0.063 ????0.060 ????0.059 ????0.057
??420min ????0.069 ????0.071 ????0.068 ????0.068 ????0.067 ????0.065
??440min ????0.075 ????0.077 ????0.076 ????0.074 ????0.073 ????0.071
??460min ????0.080 ????0.83 ????0.081 ????0.080 ????0.078 ????0.076
??480min ????0.087 ????0.091 ????0.089 ????0.086 ????0.084 ????0.082
??500min ????0.094 ????0.100 ????0.098 ????0.093 ????0.092 ????0.090
??515min ????0.101 ????0.109 ????0.107 ????0.102 ????0.101 ????0.098
??530min ????0.108 ????0.121 ????0.114 ????0.106 ????0.105 ????0.103
??545min ????0.115 ????0.127 ????0.125 ????0.114 ????0.113 ????0.112
??560min ????0.121 ????0.136 ????0.133 ????0.120 ????0.119 ????0.118
??575min ????0.128 ????0.145 ????0.144 ????0.126 ????0.124 ????0.122
??590min ????0.133 ????0.153 ????0.151 ????0.132 ????0.132 ????0.131
??605min ????0.140 ????0.162 ????0.158 ????0.139 ????0.137 ????0.135
??620min ????0.151 ????0.169 ????0.166 ????0.150 ????0.147 ????0.144
??635min ????0.158 ????0.178 ????0.172 ????0.157 ????0.155 ????0.152
??650min ????0.172 ????0.182 ????0.180 ????0.171 ????0.170 ????0.168
??660min ????0.195 ????0.202 ????0.201 ????0.194 ????0.192 ????0.189
??670min ????0.211 ????0.218 ????0.217 ????0.210 ????0.212 ????0.210
??680min ????0.230 ????0.235 ????0.233 ????0.230 ????0.228 ????0.226
??690min ????0.257 ????0.260 ????0.258 ????0.254 ????0.253 ????0.252
??700min ????0.272 ????0.275 ????0.275 ????0.271 ????0.269 ????0.267
??710min ????0.295 ????0.302 ????0.298 ????0.295 ????0.293 ????0.291
??720min ????0.314 ????0.319 ????0.317 ????0.314 ????0.313 ????0.311
??730min ????0.337 ????0.341 ????0.340 ????0.336 ????0.335 ????0.332
??740min ????0.349 ????0.359 ????0.356 ????0.354 ????0.352 ????0.350
??750min ????0.370 ????0.381 ????0.378 ????0.372 ????0.370 ????0.368
??755min ????0.390 ????0.399 ????0.396 ????0.387 ????0.385 ????0.383
??760min ????0.403 ????0.412 ????0.411 ????0.400 ????0.399 ????0.396
??765min ????0.420 ????0.430 ????0.428 ????0.418 ????0.417 ????0.415
??770min ????0.435 ????0.443 ????0.441 ????0.431 ????0.430 ????0.427
??775min ????0.444 ????0.447 ????0.445 ????0.441 ????0.440 ????0.436
??780min ????0.449 ????0.454 ????0.452 ????0.449 ????0.447 ????0.444
??785min ???0.458 ???0.461 ???0.460 ???0.457 ???0.456 ???0.451
??790min ???0.465 ???0.468 ???0.467 ???0.464 ???0.463 ???0.462
??795min ???0.473 ???0.475 ???0.474 ???0.473 ???0.472 ???0.479
??800min ???0.481 ???0.486 ???0.484 ???0.485 ???0.480 ???0.485
??802min ???0.494 ???0.498 ???0.492 ???0.494 ???0.490 ???0.489
??804min ???0.497 ???0.501 ???0.499 ???0.496 ???0.493 ???0.491
??806min ???0.499 ???0.503 ???0.501 ???0.498 ???0.494 ???0.491
??808min ???0.499 ???0.505 ???0.503 ???0.499 ???0.495 ???0.492
??810min ???0.500 ???0.505 ???0.503 ???0.499 ???0.495 ???0.492
Annotate: the amount of each sample and thickness are respectively in the table:
A：0.2711g，2.7mm????B：0.2675g，2.6mm
C：0.2708g，2.6mm????D：0.2643g，2.5mm
E：0.2697g，2.7mm????F：0.2736g，2.8mm
Table four contains Cr for using the nano water purifying material of regenerating to handle 6+The experimental data of sewage.Used nano water purifying material is regenerated in autoclave, it is applied to handle then again and contains Cr 6+Sewage.Experimental data from table does not almost have difference before its general effect and the regeneration, this shows, material regeneration is simple, thorough, reusable.
Table five is removed Pb 2+Experimental data
Figure A20031011007600191
????60s ????0.000 ????0.000 ????0.000 ????0.0000 ????0.000 ????0.000
????2min ????0.000 ????-0.001 ????0.000 ????-0.002 ????0.000 ????0.000
????4min ????-0.001 ????0.000 ????-0.001 ????-0.001 ????-0.002 ????-0.001
????6min ????-0.001 ????-0.001 ????-0.001 ????0.000 ????0.000 ????0.000
????8min ????0.000 ????0.000 ????0.000 ????0.000 ????-0.001 ????0.000
????10min ????-0.001 ????0.000 ????-0.002 ????-0.001 ????0.000 ????-0.001
????13min ????0.000 ????0.000 ????0.000 ????0.000 ????0.000 ????0.000
????16min ????0.000 ????0.000 ????0.000 ????0.000 ????0.000 ????0.000
????19min ????-0.002 ????0.000 ????0.000 ????-0.001 ????0.000 ????0.000
????22min ????0.000 ????0.000 ????0.000 ????-0.001 ????-0.002 ????0.000
????25min ????0.000 ????0.000 ????0.000 ????-0.001 ????-0.002 ????0.000
????30min ????0.000 ????-0.001 ????0.000 ????-0.002 ????0.000 ????0.000
????35min ????-0.001 ????0.000 ????-0.001 ????-0.001 ????-0.002 ????-0.001
????40min ????-0.001 ????-0.001 ????-0.001 ????0.000 ????0.000 ????0.000
????45min ????0.000 ????0.000 ????0.000 ????0.000 ????-0.001 ????0.000
????50min ????-0.001 ????0.000 ????-0.002 ????-0.001 ????0.000 ????-0.001
????60min ????-0.001 ????0.000 ????-0.001 ????-0.001 ????-0.001 ????-0.001
????70min ????0.000 ????-0.001 ????-0.001 ????0.000 ????0.000 ????0.000
????80min ????0.001 ????0.001 ????0.001 ????0.001 ????0.000 ????0.000
????90min ????0.001 ????0.002 ????0.002 ????0.001 ????0.001 ????0.001
????100min ????0.002 ????0.002 ????0.003 ????0.002 ????0.001 ????0.002
????110min ????0.003 ????0.003 ????0.003 ????0.003 ????0.002 ????0.002
????120min ????0.005 ????0.004 ????0.004 ????0.003 ????0.003 ????0.003
????130min ????0.006 ????0.005 ????0.005 ????0.004 ????0.004 ????0.003
????140min ????0.008 ????0.007 ????0.007 ????0.006 ????0.005 ????0.004
????150min ????0.010 ????0.009 ????0.008 ????0.007 ????0.007 ????0.006
????165min ????0.013 ????0.012 ????0.010 ????0.010 ????0.009 ????0.008
????180min ????0.016 ????0.015 ????0.015 ????0.014 ????0.012 ????0.011
????195min ????0.020 ????0.019 ????0.019 ????0.018 ????0.017 ????0.016
??210min ????0.024 ????0.022 ????0.022 ????0.020 ????0.20 ????0.020
??225min ????0.029 ????0.028 ????0.027 ????0.024 ????0.023 ????0.024
??240min ????0.031 ????0.031 ????0.030 ????0.029 ????0.028 ????0.028
??255min ????0.035 ????0.034 ????0.034 ????0.033 ????0.031 ????0.030
??270min ????0.039 ????0.039 ????0.038 ????0.037 ????0.035 ????0.035
??285min ????0.042 ????0.041 ????0.041 ????0.040 ????0.039 ????0.039
??300min ????0.046 ????0.045 ????0.045 ????0.044 ????0.044 ????0.043
??320min ????0.053 ????0.050 ????0.051 ????0.049 ????0.048 ????0.048
??340min ????0.062 ????0.059 ????0.057 ????0.056 ????0.054 ????0.052
??360min ????0.108 ????0.104 ????0.101 ????0.101 ????0.100 ????0.099
??380min ????0.154 ????0.153 ????0.152 ????1.151 ????0.150 ????0.150
??400min ????0.197 ????0.196 ????0.195 ????0.193 ????0.191 ????0.190
??420min ????0.239 ????0.238 ????0.237 ????0.236 ????0.235 ????0.234
??440min ????0.288 ????0.286 ????0.285 ????0.284 ????0.282 ????0.281
??460min ????0.327 ????0.325 ????0.324 ????0.323 ????0.321 ????0.320
??480min ????0.346 ????0.345 ????0.344 ????0.342 ????0.341 ????0.340
??500min ????0.373 ????0.372 ????0.371 ????0.369 ????0.368 ????0.366
??515min ????0.398 ????0.396 ????0.395 ????0.394 ????0.393 ????0.392
??530min ????0.421 ????0.421 ????0.420 ????0.419 ????0.418 ????0.417
??545min ????0.444 ????0.443 ????0.442 ????0.441 ????0.440 ????0.439
??560min ????0.472 ????0.471 ????0.470 ????0.468 ????0.467 ????0.466
??575min ????0.499 ????0.499 ????0.498 ????0.497 ????0.496 ????0.495
??590min ????0.520 ????0.518 ????0.517 ????0.515 ????0.514 ????0.513
??605min ????0.537 ????0.535 ????0.536 ????0.534 ????0.533 ????0.532
??620min ????0.566 ????0.563 ????0.562 ????0.561 ????0.559 ????0.558
??635min ????0.598 ????0.596 ????0.595 ????0.594 ????0.592 ????0.591
??650min ????0.629 ????0.625 ????0.624 ????0.622 ????0.620 ????0.619
??660min ????0.651 ????0.649 ????0.647 ????0.646 ????0.645 ????0.644
??670min ????0.676 ????0.675 ????0.674 ????0.673 ????0.672 ????0.671
??680min ???0.693 ???0.691 ???0.690 ???0.688 ???0.686 ???0.685
??690min ???0.710 ???0.707 ???0.706 ???0.704 ???0.703 ???0.702
??700min ???0.726 ???0.724 ???0.723 ???0.722 ???0.720 ???0.719
??710min ???0.747 ???0.745 ???0.744 ???0.743 ???0.741 ???0.740
??720min ???0.765 ???0.763 ???0.762 ???0.761 ???0.760 ???0.759
??730min ???0.787 ???0.784 ???0.782 ???0.780 ???0.779 ???0.778
??740min ???0.809 ???0.807 ???0.805 ???0.804 ???0.802 ???0.801
??750min ???0.821 ???0.819 ???0.818 ???0.817 ???0.816 ???0.815
??755min ???0.838 ???0.834 ???0.833 ???0.832 ???0.831 ???0.830
??760min ???0.855 ???0.853 ???0.852 ???0.851 ???0.850 ???0.849
??765min ???0.873 ???0.872 ???0.871 ???0870 ???0.869 ???0.868
??770min ???0.896 ???0.894 ???0.893 ???0.892 ???0.891 ???0.890
??775min ???0.919 ???0.916 ???0.915 ???0.914 ???0.913 ???0.912
??780min ???0.937 ???0.935 ???0.934 ???0.933 ???0.928 ???0.930
??785min ???0.952 ???0.951 ???0.950 ???0.949 ???0.947 ???0.946
??790min ???0.988 ???0.986 ???0.985 ???0.983 ???0.954 ???0.950
??795min ???1.004 ???1.003 ???1.001 ???0.985 ???0.960 ???0.954
??800min ???1.011 ???1.010 ???1.009 ???0.988 ???0.966 ???0.961
??803min ???1.014 ???1.012 ???1.011 ???0.991 ???0.971 ???0.966
??806min ???1.020 ???1.019 ???1.013 ???0.996 ???0.975 ???0.970
??809min ???1.025 ???1.023 ???1.015 ???1.000 ???0.980 ???0.973
??812min ???1.031 ???1.029 ???1.018 ???1.002 ???0.982 ???0.976
??815min ???1.036 ???1.034 ???1.020 ???1.002 ???0.986 ???0.979
??817min ???1.039 ???1.037 ???1.022 ???1.003 ???0.991 ???0.982
??819min ???1.044 ???1.042 ???1.023 ???1.006 ???0.992 ???0.985
??821min ???1.048 ???1.043 ???1.026 ???1.006 ???0.993 ???0.987
??823min ???1.051 ???1.044 ???1.028 ???1.008 ???0.994 ???0.987
??825min ???1.051 ???1.044 ???1.028 ???1.009 ???0.994 ???0.988
Annotate: the amount of each sample and thickness are respectively in the table:
A：0.2738g，2.7mm????B：0.2705g，2.7mm
C：0.2685g，2.6mm????D：0.2677g，2.6mm
E：0.2727g，2.7mm????F：0.2702g，2.7mm
Table five contains Pb for using nano water purifying material of the present invention to handle 2+Experimental data.According to drinking water sanitary standard, Pb 2+The water quality standard that goes out be 0.05mg/l (seeing " water and effluent monitoring analytical procedure " P575).And from table, find out that obviously nano water purifying material of the present invention just can be with Pb at 10s 2+Remove fully, remove efficient at the preceding 70min (material E, F are preceding 80min) of experiment and all can reach 100%, (material E, F are preceding 80min after) removes efficient and reduces gradually behind the 70min, materials A, B, C, at 320min, material D, E, the Pb of F in the 340min water outlet 2+Reach or be above standard, and reach maximum saturation in the removal ability of 823min (material D, F are at 825min) back material.By the table in as can be seen, material of the present invention is for heavy metal (Pb 2+) have the advantages that the removal ability is big, efficient is high, and have very big saturation ratio.
In addition, experimental data is to use as quality listed in the remarks and thickness of material in the table, if its thickness is increased (being that quality also increases), then for same water in processing and the table, its removal ability, duration of service and saturation ratio also increase accordingly.(this passed through experiment showed, no longer itemize data).
Table six is removed Pb 2+Experimental data (use regenerated nano water purifying material)
Figure A20031011007600231
??6min ???0.000 ???0.000 ???-0.001 ???0.000 ???0.000 ???0.000
??8min ???0.000 ???-0.002 ???0.000 ???0.000 ???0.000 ???0.000
??10min ???-0.001 ???-0.001 ???-0.001 ???0.001 ???-0.001 ???-0.001
??13min ???0.000 ???0.000 ???0.000 ???-0.002 ???0.000 ???0.000
??16min ???0.001 ???-0.001 ???0.001 ???-0.001 ???-0.001 ???-0.001
??19min ???0.000 ???0.000 ???0.000 ???0.000 ???0.000 ???0.000
??22min ???0.000 ???0.000 ???-0.002 ???0.000 ???0.000 ???0.000
??25min ???0.000 ???0.000 ???0.000 ???0.000 ???0.000 ???0.000
??30min ???-0.001 ???0.001 ???-0.001 ???-0.001 ???-0.001 ???-0.001
??35min ???0.000 ???0.000 ???0.000 ???0.000 ???0.000 ???0.000
??40min ???-0.001 ???-0.001 ???0.001 ???-0.001 ???-0.001 ???0.001
??45min ???-0.001 ???0.001 ???-0.001 ???0.001 ???-0.001 ???-0.001
??50min ???0.000 ???0.000 ???0.000 ???0.000 ???0.000 ???0.000
??60min ???-0.001 ???0.001 ???-0.001 ???-0.001 ???0.001 ???-0.001
??70min ???0.000 ???-0.001 ???0.000 ???0.000 ???0.000 ???-0.002
??80min ???0.001 ???0.001 ???0.001 ???0.001 ???0.001 ???0.001
??90min ???0.002 ???0.002 ???0.002 ???0.001 ???0.001 ???0.001
??100min ???0.002 ???0.002 ???0.002 ???0.002 ???0.002 ???0.002
??110min ???0.003 ???0.003 ???0.003 ???0.003 ???0.002 ???0.001
??120min ???0.005 ???0.004 ???0.004 ???0.004 ???0.003 ???0.003
??130min ???0.006 ???0.005 ???0.005 ???0.004 ???0.003 ???0.003
??140min ???0.008 ???0.007 ???0.007 ???0.006 ???0.006 ???0.005
??150min ???0.010 ???0.009 ???0.007 ???0.007 ???0.007 ???0.006
??165min ???0.013 ???0.012 ???0.010 ???0.010 ???0.009 ???0.009
??180min ???0.016 ???0.015 ???0.015 ???0.015 ???0.013 ???0.012
??195min ???0.020 ???0.019 ???0.019 ???0.017 ???0.017 ???0.016
??210min ???0.024 ???0.022 ???0.022 ???0.021 ???0.020 ???0.019
??225min ???0.029 ???0.028 ???0.027 ???0.026 ???0.024 ???0.022
??240min ???0.031 ???0.031 ???0.030 ???0.029 ???0.029 ???0.028
??255min ????0.035 ????0.034 ????0.034 ????0.033 ????0.032 ????0.030
??270min ????0.039 ????0.039 ????0.038 ????0.037 ????0.036 ????0.036
??285min ????0.042 ????0.041 ????0.040 ????0.040 ????0.039 ????0.038
??300min ????0.046 ????0.045 ????0.045 ????0.044 ????0.044 ????0.044
??320min ????0.053 ????0.050 ????0.050 ????0.048 ????0.048 ????0.048
??340min ????0.062 ????0.059 ????0.057 ????0.056 ????0.055 ????0.053
??360min ????0.108 ????0.104 ????0.101 ????0.100 ????0.100 ????0.099
??380min ????0.154 ????0.153 ????0.152 ????1.151 ????0.151 ????0.150
??400min ????0.197 ????0.196 ????0.195 ????0.194 ????0.192 ????0.190
??420min ????0.239 ????0.238 ????0.237 ????0.236 ????0.235 ????0.234
??440min ????0.288 ????0.286 ????0.285 ????0.284 ????0.283 ????0.281
??460min ????0.327 ????0.325 ????0.324 ????0.322 ????0.321 ????0.320
??480min ????0.346 ????0.344 ????0.344 ????0.342 ????0.340 ????0.340
??500min ????0.373 ????0.372 ????0.371 ????0.370 ????0.368 ????0.367
??515min ????0.398 ????0.396 ????0.395 ????0.394 ????0.394 ????0.392
??530min ????0.421 ????0.421 ????0.420 ????0.419 ????0.418 ????0.417
??545min ????0.444 ????0.443 ????0.442 ????0.441 ????0.441 ????0.439
??560min ????0.472 ????0.471 ????0.470 ????0.469 ????0.468 ????0.466
??575min ????0.499 ????0.499 ????0.498 ????0.497 ????0.497 ????0.495
??590min ????0.520 ????0.518 ????0.517 ????0.516 ????0.514 ????0.513
??605min ????0.537 ????0.535 ????0.535 ????0.534 ????0.533 ????0.532
??620min ????0.566 ????0.564 ????0.562 ????0.561 ????0.560 ????0.558
??635min ????0.598 ????0.596 ????0.595 ????0.594 ????0.593 ????0.590
??650min ????0.629 ????0.627 ????0.625 ????0.623 ????0.621 ????0.619
??660min ????0.651 ????0.649 ????0.647 ????0.646 ????0.645 ????0.644
??670min ????0.676 ????0.675 ????0.674 ????0.673 ????0.672 ????0.671
??680min ????0.693 ????0.691 ????0.690 ????0.688 ????0.687 ????0.685
??690min ????0.710 ????0.708 ????0.707 ????0.705 ????0.703 ????0.702
??700min ????0.726 ????0.724 ????0.723 ????0.722 ????0.721 ????0.719
??710min ???0.747 ???0.745 ???0.744 ???0.743 ???0.742 ???0.740
??720min ???0.765 ???0.764 ???0.762 ???0.761 ???0.761 ???0.759
??730min ???0.787 ???0.785 ???0.783 ???0.781 ???0.779 ???0.778
??740min ???0.809 ???0.807 ???0.805 ???0.803 ???0.802 ???0.801
??750min ???0.821 ???0.819 ???0.818 ???0.817 ???0.816 ???0.815
??755min ???0.838 ???0.836 ???0.834 ???0.832 ???0.831 ???0.830
??760min ???0.855 ???0.853 ???0.852 ???0.851 ???0.850 ???0.849
??765min ???0.873 ???0.872 ???0.871 ???0.870 ???0.869 ???0.868
??770min ???0.896 ???0.895 ???0.893 ???0.892 ???0.891 ???0.890
??775min ???0.919 ???0.917 ???0.915 ???0.914 ???0.913 ???0.912
??780min ???0.937 ???0.936 ???0.934 ???0.933 ???0.931 ???0.930
??785min ???0.952 ???0.951 ???0.950 ???0.949 ???0.947 ???0.946
??790min ???0.988 ???0.986 ???0.985 ???0.984 ???0.954 ???0.952
??795min ???1.004 ???1.003 ???1.001 ???0.985 ???0.960 ???0.954
??800min ???1.011 ???1.010 ???1.009 ???0.988 ???0.965 ???0.961
??803min ???1.014 ???1.012 ???1.011 ???0.991 ???0.971 ???0.966
??806min ???1.020 ???1.019 ???1.017 ???0.996 ???0.975 ???0.970
??809min ???1.025 ???1.022 ???1.018 ???1.000 ???0.980 ???0.973
??812min ???1.031 ???1.029 ???1.018 ???1.002 ???0.982 ???0.975
??815min ???1.036 ???1.033 ???1.021 ???1.002 ???0.984 ???0.978
??817min ???1.039 ???1.035 ???1.022 ???1.003 ???0.990 ???0.982
??819min ???1.044 ???1.042 ???1.023 ???1.006 ???0.992 ???0.985
??821min ???1.048 ???1.043 ???1.025 ???1.007 ???0.993 ???0.987
??823min ???1.051 ???1.044 ???1.028 ???1.009 ???0.994 ???0.988
??825min ???1.051 ???1.044 ???1.028 ???1.009 ???0.994 ???0.988
Table six contains Pb for using the nano water purifying material of regenerating to handle 2+The experimental data of sewage.Used nano water purifying material is regenerated in autoclave, it is applied to handle then again and contains Pb 2+Sewage.Experimental data from table does not almost have difference before its general effect and the regeneration, this shows, material regeneration is simple, thorough, reusable.
In sum, nano water purifying material of the present invention is used to handle the sewage that contains heavy metal, compares with existing existing water technology and have following advantage:
1. the preparation method is simple, and low price is easy to use, and effect is remarkable;
2. removal ability is strong, removes the cleanliness height, can reach 100% removal to the heavy metal in the water, and have
Sizable saturation ratio;
3. regeneration is simple, and does not have secondary pollution.
Description of drawings
The lamellated nano water purifying material of Fig. 1 (a);
The nano water purifying material of the curling tubular of Fig. 1 (b);
The flaky nano water purifying material of Fig. 1 (c)
Embodiment
Embodiment 1:
After getting 7.5g E-glass fibre and in 400ml distilled water, mixing, the boric acid 50ml that adds 2.0g/l, be heated to 40 ℃ then, add 5.5g aluminium powder (particle diameter is 20nm), place ultrasonic tank at 25 ℃ of following sonic oscillation 30min then, the alcoholic solution 100ml that adds the positive silicon ester of 5.5g/l four hexyls then in mixture continues sonic oscillation 55min, takes out cooling at room temperature afterwards; The 6.0g activated carbon fiber is put into 450ml distilled water, and immersion, homogeneous 1h add 4.5g/l polyvinyl alcohol solution 30ml and mix; Above-mentioned two kinds of mixed solutions that make are filtered, with filtrate in loft drier, 90 ℃ of dry 1.5h of temperature, promptly obtain 34.2g nano water purifying material of the present invention, it consists of: the oxidation of aluminium-hydroxide phase: 46.5%, and glass fibre: 21.9%, activated carbon fiber: 22.2%, wherein the particle diameter of oxidation-aluminium hydroxide is 25 nanometers, specific surface area 705 meters squared per gram.
Embodiment 2:
The 1.0g activated carbon fiber with 200ml distilled water immersion, homogeneous 50min, is added the 5g/l polyvinyl alcohol solution and mixes; Get the 1.8gC--glass fibre add mix in the 280ml distilled water after, the sodium salicylate 14ml that adds 4g/l, be heated to 80 ℃ then, add 0.7g aluminium powder (particle diameter is 15nm), place ultrasonic tank at 55 ℃ of sonic oscillation 50min then, the alcoholic solution 10ml that adds the positive silicon ester of 15g/l four hexyls then in mixture continues sonic oscillation 30min, takes out, at room temperature cooling; Above-mentioned two kinds of mixed solutions that make are filtered, filtrate is descended dry 5h for 150 ℃ in temperature in loft drier, promptly obtain 5.15g nano water purifying material of the present invention, it consists of: the oxidation of aluminium-hydroxide phase: 39.3%, glass fibre: 35%, activated carbon fiber: 19.4%, wherein the particle diameter of oxidation-aluminium hydroxide is 20 nanometers, specific surface area 725 meters squared per gram.
Embodiment 3:
The 3.1g polyethylene with 50ml alcohol immersion, homogeneous 60min, is added 3g/l polyvinyl alcohol solution 40ml and mixes; After getting the 2.0gE--glass fibre and putting into 310ml distilled water and mix, the sodium salicylate 15ml that adds 1.2g/l, be heated to 45 ℃ then, add 1.5g aluminium powder (particle diameter 30nm), place ultrasonic tank at 100 ℃ of following sonic oscillation 1.5h then, the alcoholic solution that adds the positive silicon ester of 15g/l four hexyls then in mixture continues sonic oscillation 50min, takes out, at room temperature cooling; Above-mentioned two kinds of mixed solutions that make are filtered, filtrate is descended dry 3h for 120 ℃ in temperature in loft drier, promptly obtain 11.3g nano water purifying material of the present invention.It consists of: the oxidation of aluminium-hydroxide phase: 38.3%, and glass fibre: 17.7%, polyethylene: 27.4%, wherein the particle diameter of oxidation-aluminium hydroxide is 35 nanometers, specific surface area 645 meters squared per gram.
Embodiment 4:
2.6 Microcrystalline Celluloses are added in the 420ml distilled water, and immersion, homogeneous 3h add 2.8g/l polyvinyl alcohol solution 44ml and mix; After the C--glass fibre of getting 3.0g mixes in 420ml distilled water, the sodium salicylate 60ml that adds 1.4g/l, be heated to 50 ℃ then, add 1.8g aluminium powder (particle diameter is 15nm), place ultrasonic tank at 55 ℃ of sonic oscillation 0.5h then, the alcoholic solution 20ml that adds the positive silicon ester of 5g/l four hexyls then in mixture continues sonic oscillation 50min, takes out cooling at room temperature afterwards; Above-mentioned two kinds of mixed solutions that make are filtered, and in loft drier, 120 ℃ of dry 4h of temperature promptly obtain 12.7g nano water purifying material of the present invention with filtrate.It consists of: the oxidation of aluminium-hydroxide phase: 40.9%, and glass fibre: 23.6%, Mierocrystalline cellulose: 20.5%, wherein the particle diameter of oxidation-aluminium hydroxide is 20 nanometers, specific surface area 720 meters squared per gram.
Embodiment 5:
After getting 6.6g E-glass fibre and in 500ml distilled water, mixing, the sodium salicylate solution 20ml that adds 1.5g/l, be heated to 30 ℃ then, add 5.4g aluminium powder (particle diameter is 15nm), place ultrasonic tank at 55 ℃ of sonic oscillation 65min then, the alcoholic solution 110ml that adds the positive silicon ester of 2.1g/l four hexyls then in mixture continues sonic oscillation 45min, takes out cooling at room temperature afterwards; The 6.0g activated carbon fiber is put into 450ml distilled water, and immersion, homogeneous 1h add 3g/l polyvinyl alcohol solution 40ml and mix; Above-mentioned two kinds of mixed solutions that make are filtered, with filtrate in loft drier, 90 ℃ of dry 2.5h of temperature, promptly obtain 31.8g nano water purifying material of the present invention, it consists of: the oxidation of aluminium-hydroxide phase: 49.1%, and glass fibre: 20.8%, activated carbon fiber: 18.9%, wherein the particle diameter of oxidation-aluminium hydroxide is 20 nanometers, specific surface area 730 meters squared per gram.
Embodiment 6:
After getting 7.0g E--glass fibre and putting into 500ml distilled water and mix, the sodium salicylate 100ml that adds 0.2g/l, be heated to 25 ℃ then, add 6.5g aluminium powder (particle diameter 20nm), place ultrasonic tank at 50 ℃ of sonic oscillation 2.5h then, the alcoholic solution 40ml that adds the positive silicon ester of 9.4g/l four hexyls then in mixture continues sonic oscillation 15min, takes out, at room temperature cooling; The 8.5g polyethylene with 105ml alcohol immersion, homogeneous 5min, is added 5g/l polyvinyl alcohol solution 30ml and mixes; Above-mentioned two kinds of mixed solutions that make are filtered, filtrate is descended dry 5h for 00 ℃ in temperature in loft drier, promptly obtain 38.8g nano water purifying material of the present invention, it consists of: the oxidation of aluminium-hydroxide phase: 48.4%, glass fibre: 18.0%, polyethylene: 21.9%, wherein the particle diameter of oxidation-aluminium hydroxide is 25 nanometers, specific surface area 690 meters squared per gram.

Claims (7)

1, a kind of nano water purifying material, its shape comprises the stratiform circle, curl tubular and sheet, its major ingredient is oxidation-hydroxide phase: the 30-60% of aluminium, glass fibre: 10-35%, Mierocrystalline cellulose: 15-40%, wherein the particle diameter of oxidation-aluminium hydroxide is the 15-80 nanometer, specific surface area 200-800 meters squared per gram.
2, the preparation method of the described nano water purifying material of claim 1 comprises the steps:
(1) be that the acidic solution 10-100ml of 0.5-10.5g/l adds in the aqeous suspension of glass fibre with concentration, glass fibre 0.5-15.8g wherein, distilled water 100-500ml, with mixture heating up to 20-120 ℃;
(2) mixture after will heating takes out and to wherein dropping into the aluminium powder 0.2-10.2g that particle diameter is 15-70nm, place ultra-sonic generator then, ultrasonic 0.3-5.5h under 20-150 ℃ of temperature, the alcoholic solution 10-110ml that adds the tetraethyl orthosilicate ester of 0.5-20g/l afterwards continues vibration 5-55min, take out then, at room temperature cooling;
(3) with concentration be polyvinyl alcohol-[CH of 0.04-5.64g/l 2CHOH-]- nSolution 20-120ml adds in the cellulosic aqeous suspension of 0.5-10.5g, Mierocrystalline cellulose 1.0-11g wherein, and distilled water 200-600ml soaks, homogeneous 1-8h;
(4) mixture that step (2), (3) are made filters with B;
(5) dry 1.5-10h obtains the white circle in loft drier under 40 180 ℃ of temperature, tubular and flaky nano water purifying material of the present invention curl with filtrate.
3, the preparation method of nano water purifying material as claimed in claim 2 is characterized in that: acidic solution can be boric acid or sodium salicylate.
4, the preparation method of nano water purifying material as claimed in claim 2 is characterized in that: glass fibre can be C-glass fibre or E-glass fibre.
5, the preparation method of nano water purifying material as claimed in claim 2 is characterized in that: Mierocrystalline cellulose can be activated carbon fiber silk or polyethylene, and polyethylene is an alcohol suspension, and polyethylene 1.0-11g is dissolved in 50-150ml ethanol.
6, the described nano water purifying material of claim 1 application aspect the heavy metal in removing water.
7, the prepared nano water purifying material application aspect the heavy metal in removing water of any one preparation method of claim 2-5.
CN 200310110076 2003-11-19 2003-11-19 Nanometer material for water purifying and heavy metal removal, preparation method and uses Expired - Fee Related CN1225412C (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008027530A1 (en) * 2006-09-01 2008-03-06 Seldon Technologies, Llc Nanostructured materials comprising support fibers coated with metal containing compounds and methods of using the same
CN102603082A (en) * 2012-04-09 2012-07-25 吉林大学 Biological nanocomposite for removing heavy metals in water
CN102604995A (en) * 2012-04-09 2012-07-25 吉林大学 Biological water purifying material for removing heavy metal ions in water
CN102531145B (en) * 2005-10-14 2014-06-04 英孚拉玛特公司 Water treatment compositions containing nanostructured materials

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102531145B (en) * 2005-10-14 2014-06-04 英孚拉玛特公司 Water treatment compositions containing nanostructured materials
WO2008027530A1 (en) * 2006-09-01 2008-03-06 Seldon Technologies, Llc Nanostructured materials comprising support fibers coated with metal containing compounds and methods of using the same
CN102603082A (en) * 2012-04-09 2012-07-25 吉林大学 Biological nanocomposite for removing heavy metals in water
CN102604995A (en) * 2012-04-09 2012-07-25 吉林大学 Biological water purifying material for removing heavy metal ions in water
CN102603082B (en) * 2012-04-09 2013-10-16 吉林大学 Biological nanocomposite for removing heavy metals in water
CN102604995B (en) * 2012-04-09 2013-10-16 吉林大学 Biological water purifying material for removing heavy metal ions in water

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