CN105381783A - Adsorptive composite material and preparation method thereof - Google Patents
Adsorptive composite material and preparation method thereof Download PDFInfo
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- CN105381783A CN105381783A CN201510721157.8A CN201510721157A CN105381783A CN 105381783 A CN105381783 A CN 105381783A CN 201510721157 A CN201510721157 A CN 201510721157A CN 105381783 A CN105381783 A CN 105381783A
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Abstract
The invention discloses an adsorptive composite material and a preparation method thereof. The composite material is composed of the following raw materials by weight: 8 to 15 parts of desulfurization activated carbon, 20 to 28 parts of talcum powder, 3 to 8 parts of manganese nitrate and 0.5 to 3 parts of tetrabutyl titanate. The adsorptive composite material is prepared through the following steps: subjecting tetrabutyl titanate and desulfurization activated carbon to grinding and sieving so as to obtain a mixture A; adding electrolyzed water into talcum powder and manganese nitrate, and carrying out ultrasonic treatment so as to obtain a mixture B; and placing the mixture A into the mixture B, and carrying out ultrasonic treatment, drying, high-temperature calcining and cooling so as to obtain the adsorptive composite material. The adsorptive composite material provided by the invention is used for preparing a water treatment agent. The adsorptive composite material with stable structure provided by the invention has the advantages of high adsorption capacity, stable adsorptivity to heavy metals, and no secondary pollution.
Description
Technical field
The present invention relates to technical field of water treatment, specifically a kind of adsorptive composite and preparation method thereof.
Background technology
China is one of 13 countries of at present most poor-water in the world, according to " Chinese environmental performance evaluation " report of the up-to-date announcement of the Organization of Economy and Cooperation Development, the water body more than 75% flowing through Chinese city is at present not suitable for drinking, and the detection water quality of river of more than 30% belongs to bad V class.Along with industrial development, the contaminated degree of urban life drinking water source is increasingly sharpened, simultaneously along with growth in the living standard, people to the requirement of drinking water quality and drinking water quality standard more and more stricter.
In the market for the desulphurizing activated Carbon Materials of water treatment, pollutant is mainly separated with water by the mode of physisorption by its action principle.Desulphurized aetivated carbon, owing to having huge specific area and the gap structure of prosperity, therefore has stronger adsorption capacity to such as the phenolic compound etc. of dissolved organic matter in water, is applicable to drinking water deep purification.But employing desulphurized aetivated carbon is water treatment agent, there are some problems, as the adsorbance of desulphurized aetivated carbon and the ratio of cost also need further raising, and it is adsorbed as physical absorption, and easily desorption in adsorption process, causes secondary pollution.
Summary of the invention
The object of the present invention is to provide that a kind of adsorption capacity is high, heavy metal absorption be stable, the adsorptive composite of non-secondary pollution and preparation method thereof, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of adsorptive composite and preparation method thereof, is made up of the following raw material according to weight portion: desulphurized aetivated carbon 8-15 part, talcum powder 20-28 part, manganese nitrate 3-8 part, butyl titanate 0.5-3 part.
As the further scheme of the present invention: the described composite utilizing desulphurized aetivated carbon to prepare, be made up of the following raw material according to weight portion: desulphurized aetivated carbon 10-12 part, talcum powder 22-25 part, manganese nitrate 4-6 part, butyl titanate 1-2 part.
As the further scheme of the present invention: the described composite utilizing desulphurized aetivated carbon to prepare, be made up of the following raw material according to weight portion: desulphurized aetivated carbon 11 parts, talcum powder 24 parts, manganese nitrate 5 parts, butyl titanate 1.5 parts.
The preparation method of the described composite utilizing desulphurized aetivated carbon to prepare, is made up of following steps:
1) butyl titanate and desulphurized aetivated carbon are ground, cross 100 mesh sieves, obtained mixture A;
2) after being mixed with manganese nitrate by talcum powder, then add the brine electrolysis of the two 10-12 times of quality, then carry out ultrasonic process to it, ultrasonic treatment conditions are: temperature 50 C, ultrasonic power 400W, ultrasonic time 50min; Obtained mixture B;
3) inserted in mixture B by mixture A, then carry out ultrasonic process to it, ultrasonic treatment conditions are: temperature 50 C, ultrasonic power 400W, ultrasonic time 50min; Obtained mixture C;
4) mixture C is inserted in the baking oven of 100 DEG C and dry, obtained mixture D;
5) mixture D is inserted high-temperature calcination 5h in reactor, high-temperature calcination temperature is 600 DEG C, then is down to room temperature, must utilize composite prepared by desulphurized aetivated carbon.
The described composite utilizing desulphurized aetivated carbon to prepare is for the preparation of the application in water treatment agent.
Water treatment facilities, comprises water treatment agent and the container in order to load water treatment agent, and described water treatment agent contains the above-mentioned composite utilizing desulphurized aetivated carbon to prepare.
Compared with prior art, the invention has the beneficial effects as follows:
The invention provides constitutionally stable composite, have that adsorption capacity is high, heavy metal absorption is stable, the advantage of non-secondary pollution.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of composite utilizing desulphurized aetivated carbon to prepare, is made up of the following raw material according to weight portion: desulphurized aetivated carbon 8 parts, talcum powder 20 parts, manganese nitrate 3 parts, butyl titanate 0.5 part.Preparation process, is made up of following steps: butyl titanate and desulphurized aetivated carbon are ground, and crosses 100 mesh sieves, obtained mixture A.After being mixed with manganese nitrate by talcum powder, then add the brine electrolysis of the two 10-12 times of quality, then carry out ultrasonic process to it, ultrasonic treatment conditions are: temperature 50 C, ultrasonic power 400W, ultrasonic time 50min; Obtained mixture B.Inserted in mixture B by mixture A, then carry out ultrasonic process to it, ultrasonic treatment conditions are: temperature 50 C, ultrasonic power 400W, ultrasonic time 50min; Obtained mixture C.Mixture C is inserted in the baking oven of 100 DEG C and dry, obtained mixture D.Mixture D is inserted high-temperature calcination 5h in reactor, high-temperature calcination temperature is 600 DEG C, then is down to room temperature, must utilize composite prepared by desulphurized aetivated carbon.
Embodiment 2
In the embodiment of the present invention, a kind of composite utilizing desulphurized aetivated carbon to prepare, is made up of the following raw material according to weight portion: desulphurized aetivated carbon 15 parts, talcum powder 28 parts, manganese nitrate 8 parts, butyl titanate 3 parts.Preparation process is identical with embodiment 1 step.
Embodiment 3
In the embodiment of the present invention, a kind of composite utilizing desulphurized aetivated carbon to prepare, is made up of the following raw material according to weight portion: desulphurized aetivated carbon 10 parts, talcum powder 22 parts, manganese nitrate 4 parts, butyl titanate 1 part.Preparation process is identical with embodiment 1 step.
Embodiment 4
In the embodiment of the present invention, a kind of composite utilizing desulphurized aetivated carbon to prepare, is made up of the following raw material according to weight portion: desulphurized aetivated carbon 12 parts, talcum powder 25 parts, manganese nitrate 6 parts, butyl titanate 2 parts.Preparation process is identical with embodiment 1 step.
Embodiment 5
In the embodiment of the present invention, a kind of composite utilizing desulphurized aetivated carbon to prepare, is made up of the following raw material according to weight portion: desulphurized aetivated carbon 11 parts, talcum powder 24 parts, manganese nitrate 5 parts, butyl titanate 1.5 parts.Preparation process is identical with embodiment 1 step.
In order to the application of the present invention in sewage disposal is described, use the sample in embodiment 1-5.
Embodiment 6
The aqueous solution of the mercury ion that the composite utilizing desulphurized aetivated carbon to prepare prepared by the embodiment 1-5 of 5mg is 5ppm with 10mL concentration separately, the lead ion of 5ppm, stirring reaction 8h.In the aqueous solution after process, mercury ion, plumbum ion concentration are detected by inductivity coupled plasma mass spectrometry (ThermoICP-MSXII), and ion concentration of mercury is all less than 1.5ppb, and plumbum ion concentration is all less than 2.5ppb.
The result that embodiment 1-5 disposes of sewage is as shown in table 1.
Table 1
| Title | The kind of the pollutant of process and consumption | The content (ppb) of process after stain thing |
| Embodiment 1-5 | 10ml mercury element concentration is the aqueous solution of 5ppm | Mercury element < 1.5ppb |
| Embodiment 1-5 | 10ml lead element concentration is the aqueous solution of 5ppm | Lead element < 2.5ppb |
As can be seen from Table 1, adopt the composite prepared of desulphurized aetivated carbon as water treatment agent, can efficiently except the heavy metal ion in anhydrating.
Embodiment 7
The aqueous solution of the mercury ion that the composite utilizing desulphurized aetivated carbon to prepare prepared by the embodiment 1-5 of 5mg is 5ppm with 10mL concentration separately, the lead ion of 5ppm, regulates the pH value to 7 of above-mentioned solution, stirring reaction 5h.In the aqueous solution after process, mercury ion, plumbum ion concentration are detected by inductivity coupled plasma mass spectrometry (THERMOICP-MSXII), and ion concentration of mercury is all less than 1.5ppb, and plumbum ion concentration is all less than 2.5ppb.
Embodiment 8
Adopt the identical step of embodiment 7, unlike the pH value to 5 of, composite prepared by Adjust and use desulphurized aetivated carbon and mercury ion, lead ion aqueous solution liquid.
Embodiment 9
Adopt the identical step of embodiment 7, unlike the pH value to 3 of, composite prepared by Adjust and use desulphurized aetivated carbon and mercury ion, lead ion aqueous solution liquid.
The result that embodiment 7-9 disposes of sewage is as shown in table 2.
Table 2
| Title | PH value | The content (ppb) of process after stain thing |
| Embodiment 7 | 7 | Mercury element < 1.5ppb, lead element < 2.5ppb |
| Embodiment 8 | 5 | Mercury element < 1.5ppb, lead element < 2.5ppb |
| Embodiment 9 | 3 | Mercury element < 1.5ppb, lead element < 2.5ppb |
From the results shown in Table 2, the composite utilizing desulphurized aetivated carbon to prepare adopting the present invention to prepare, all has good water treatment efficiency under different pH value condition.
Comparative example 1
By the particle desulphurized aetivated carbon (GAC, 20-40 order, Sigma-Aldrich company buys) of 20mg, all the other steps are with embodiment 6, and result is: mercury element 162ppb, lead element 223ppb.
Comparative example 2
By the comparative example 2 of 20mg, comparative example 2 is without desulphurized aetivated carbon, and all the other are consistent with embodiment 5, and treatment step is with embodiment 6, and result is: mercury element 564ppb, lead element 693ppb.
Comparative example 3
By the comparative example 3 of 20mg, comparative example 3 is without butyl titanate, and all the other are consistent with embodiment 5, and treatment step is with embodiment 6, and result is: mercury element 125ppb, lead element 194ppb.
Comparative example 4
By the comparative example 4 of 20mg, comparative example 4 is without mixture A, and all the other are consistent with embodiment 5, and treatment step is with embodiment 6, and result is: mercury element 1272ppb, lead element 1493ppb.
The process mercury ion of embodiment 6 and comparative example 1, the result of lead ion are as shown in table 3.
Table 3
| Title | Water treatment agent consumption | The content (ppb) of process after stain thing |
| Embodiment 6 | 5 | Mercury element < 1.5ppb, lead element < 2.5ppb |
| Comparative example 1 | 20 | Mercury element 162ppb, lead element 223ppb |
| Comparative example 2 | 20 | Mercury element 564ppb, lead element 693ppb |
| Comparative example 3 | 20 | Mercury element 125ppb, lead element 194ppb |
| Comparative example 4 | 20 | Mercury element 1272ppb, lead element 1493ppb |
From the results shown in Table 3, adopt in embodiment 6 of the present invention utilize desulphurized aetivated carbon to prepare composite process mercury ion, lead ion successful be better than in comparative example 1, adopting particle desulphurized aetivated carbon (GAC, 20-40 order) to process the effect of mercury ion, lead ion.The result of comparative example 2-3 shows, under the interaction of desulphurized aetivated carbon and butyl titanate, makes the present invention have excellent process mercury ion, the ability of lead ion.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (4)
1. adsorptive composite and preparation method thereof, is characterized in that, is made up of the following raw material according to weight portion: desulphurized aetivated carbon 8-15 part, talcum powder 20-28 part, manganese nitrate 3-8 part, butyl titanate 0.5-3 part.
2. adsorptive composite according to claim 1 and preparation method thereof, is characterized in that, is made up of the following raw material according to weight portion: desulphurized aetivated carbon 10-12 part, talcum powder 22-25 part, manganese nitrate 4-6 part, butyl titanate 1-2 part.
3. adsorptive composite according to claim 2 and preparation method thereof, is characterized in that, is made up of the following raw material according to weight portion: desulphurized aetivated carbon 11 parts, talcum powder 24 parts, manganese nitrate 5 parts, butyl titanate 1.5 parts.
4. one kind as arbitrary in claim 1-3 as described in adsorptive composite and preparation method thereof, it is characterized in that, be made up of following steps:
1) butyl titanate and desulphurized aetivated carbon are ground, cross 100 mesh sieves, obtained mixture A;
2) after being mixed with manganese nitrate by talcum powder, then add the brine electrolysis of the two 10-12 times of quality, then carry out ultrasonic process to it, ultrasonic treatment conditions are: temperature 50 C, ultrasonic power 400W, ultrasonic time 50min; Obtained mixture B;
3) inserted in mixture B by mixture A, then carry out ultrasonic process to it, ultrasonic treatment conditions are: temperature 50 C, ultrasonic power 400W, ultrasonic time 50min; Obtained mixture C;
4) mixture C is inserted in the baking oven of 100 DEG C and dry, obtained mixture D;
5) mixture D is inserted high-temperature calcination 5h in reactor, high-temperature calcination temperature is 600 DEG C, then is down to room temperature, must utilize composite prepared by desulphurized aetivated carbon.
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| CN103432991A (en) * | 2013-08-14 | 2013-12-11 | 刘大敏 | Nano-silver honeycomb-type purification activated carbon and preparation method thereof |
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| CN104841371A (en) * | 2015-04-21 | 2015-08-19 | 安徽凤凰滤清器股份有限公司 | High-activity vermiculite/carbon nanotube composite adsorption filtering agent and preparation method thereof |
| CN104841369A (en) * | 2015-05-15 | 2015-08-19 | 陈君武 | Air filter element for cellular network active carbon filter and preparation method thereof |
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2015
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301819A (en) * | 2013-07-03 | 2013-09-18 | 北京矿冶研究总院 | Preparation method of nano adsorbent for removing heavy metals in wastewater |
| CN103432991A (en) * | 2013-08-14 | 2013-12-11 | 刘大敏 | Nano-silver honeycomb-type purification activated carbon and preparation method thereof |
| CN104826392A (en) * | 2015-04-21 | 2015-08-12 | 蚌埠德美过滤技术有限公司 | High-temperature adsorption filtering agent capable of absorbing carbon dioxide and preparation method therefor |
| CN104841371A (en) * | 2015-04-21 | 2015-08-19 | 安徽凤凰滤清器股份有限公司 | High-activity vermiculite/carbon nanotube composite adsorption filtering agent and preparation method thereof |
| CN104841369A (en) * | 2015-05-15 | 2015-08-19 | 陈君武 | Air filter element for cellular network active carbon filter and preparation method thereof |
| CN104888712A (en) * | 2015-05-21 | 2015-09-09 | 安徽凤凰滤清器股份有限公司 | Recyclable adsorbent with good separation effect |
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