CN105413650A - Rectorite wastewater adsorption material and preparation method thereof - Google Patents
Rectorite wastewater adsorption material and preparation method thereof Download PDFInfo
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Abstract
The invention provides a rectorite wastewater adsorption material and a preparation method thereof. The rectorite wastewater adsorption material is prepared from rectorite, kaolinite, polyacrylamide, carboxymethyl chitosan, deacetylated chitin, ferric oxide, ammonia water, phosphatidyl inositol, sldium lauryl sulfate, sodium hydroxide, anhydrous ethanol, sodium benzoate, concentrated hydrochloric acid and water. The preparation method includes the steps that ferric oxide, phosphatidyl inositol, sldium lauryl sulfate and hydrochloric acid are mixed and stirred, temperature rising and standing are performed after ammonia water is dropwise added, standing is performed after cooling, supernatant liquid is abandoned after centrifuging, precipitate is washed with water, drying is performed after ultrasonic treatment, the dried mixture is mixed with rectorite, kaolinite, sodium hydroxide and remaining water to be stirred, filter cakes are washed to be neutral after filtration and are ground into powder after drying, finally, the powder and the remaining components are mixed and stirred to be subjected to standing and centrifuging under room temperature, and the rectorite wastewater adsorption material can be obtained through drying after washing. The rectorite wastewater adsorption material can effectively remove metal ions in waste water, is high in adsorption performance and decolorizing effect, can be reused and is economical and environmentally friendly.
Description
Technical field
The present invention relates to environmentally conscious materials field, be specifically related to a kind of rectorite waste water sorbing material and preparation method thereof.
Background technology
The cost that the fast development of modern industry and living standards of the people improve constantly is the pollution without restraint of environment, and wherein water resource pollution has become serious problems urgently to be resolved hurrily.China has become the country of a serious water shortage due to the excessive growth of population and industrialized fast development, and meanwhile, water pollutions also in continuous aggravation, thus causes the shortage of China's water resource further.Water pollutions mainly comprises industrial wastewater, agricultural effluent and sanitary wastewater, and wherein the pollution of industrial wastewater is the most serious.Normal containing difficult degradation organic dyestuff in industrial wastewater, the pollutants such as heavy metal ion and organic-inorganic compound, if these waste water can not process effectively, then polluted water that can be serious and health.At present, sorbing material is a kind of method be most widely used in Industrial Wastewater Treatment, there is good effect, conventional sorbing material mainly contains synthetic resin, active carbon and zeolite etc., but its most of cost is high, not easily recycling or easily cause secondary pollution, therefore the wastewater treatment material of research and development efficient, safety non-toxic, non-secondary pollution is to become numerous scholar and enterprise's problem demanding prompt solution.
Summary of the invention
the technical problem solved:the object of this invention is to provide a kind of rectorite waste water sorbing material, effectively can remove the metal ion in waste water, adsorptivity is strong, and decolorizing effect is good, can reuse, economic environmental protection simultaneously.
technical scheme:a kind of rectorite waste water sorbing material, is prepared from weight portion by following composition: rectorite 2-5 part, kaolinite 1-2 part, polyacrylamide 2-5 part, CMC 1-2 part, chitosan 1-2 part, iron oxide 5-10 part, ammoniacal liquor 5-10 part, phosphatidylinositols 1-2 part, sldium lauryl sulfate 1-2 part, NaOH 80-100 part, absolute ethyl alcohol 80-100 part, Sodium Benzoate 0.1-0.2 part, concentrated hydrochloric acid 70-100 part, water 20-40 part.
Preferred further, described a kind of rectorite waste water sorbing material, is prepared from weight portion by following composition: rectorite 3-4 part, kaolinite 1.5-1.9 part, polyacrylamide 3-4 part, CMC 1.3-1.8 part, chitosan 1.3-1.8 part, iron oxide 6-9 part, ammoniacal liquor 6-9 part, phosphatidylinositols 1.3-1.9 part, sldium lauryl sulfate 1.2-1.7 part, NaOH 85-95 part, absolute ethyl alcohol 85-95 part, Sodium Benzoate 0.13-0.17 part, concentrated hydrochloric acid 80-90 part, water 25-35 part.
The preparation method of above-mentioned rectorite waste water sorbing material comprises the following steps:
Step 1: by iron oxide, phosphatidylinositols, sldium lauryl sulfate and mixed in hydrochloric acid, stir with rotating speed 1300-1500rpm with magnetic stirrer, drip ammoniacal liquor simultaneously, dropping terminates rear continuation and stirs 15-20 minute, is cooled to room temperature and leaves standstill 24 hours after being then warming up to 75-85 DEG C of standing 3-4 hour;
Step 2: step 1 gained mixture is placed in centrifuge centrifugal 2-3 minute under rotating speed 25000-26000rpm, abandoning supernatant, and with water by sediment cyclic washing 3 times;
Step 3: washed sediment is mixed with 2-5 part water, in supersonic wave cleaning machine after ultrasonic 20-30 minute in vacuum drying chamber with at 30-40 DEG C dry 24 hours;
Step 4: step 3 gains, rectorite, kaolinite, NaOH and remaining water are mixed, 3-4 hour is stirred with rotating speed 1300-1500rpm with magnetic stirrer, after filtration, filter cake is washed with water to neutrality, with dry 12-13 hour at 30-40 DEG C in vacuum drying chamber, be ground to Powdered after taking-up;
Step 5: step 4 gained powder, polyacrylamide, CMC, chitosan, Sodium Benzoate and water are mixed, stir 10-12 hour under 50-70 DEG C of water-bath, then at room temperature leaves standstill 24 hours;
Step 6: by step 5 reactant centrifugal 2-3 minute in centrifuges, then wash 3 times respectively with water and absolute ethyl alcohol, with after at 30-40 DEG C dry 24 hours and get final product in vacuum drying chamber.
Preferred further, step 1 medium speed is 1350-1450rpm, and mixing time is 16-19 minute, and dwell temperature is 78-82 DEG C, and time of repose is 3.3-3.6.
Preferred further, in step 2, centrifuge speed is 25300-25800rpm, and centrifugation time is 2.3-2.8 minute.
Preferred further, in step 3, ultrasonic time is 22-28 minute, and baking temperature is 33-38 DEG C.
Preferred further, step 4 medium speed is 1350-1450rpm, and mixing time is 3.3-3.8 hour, and baking temperature is 32-35 DEG C, drying time is 12.2-12.5 hour.
Preferred further, in step 5, bath temperature is 55-65 DEG C, and water bath time is 10.5-11.5 hour.
Preferred further, centrifugation time 2.5-2.9 minute in step 6, baking temperature is 32-35 DEG C.
beneficial effect:rectorite waste water sorbing material of the present invention is all very high to the clearance of each metal ion, substantially all will reach 90%, especially to Pb
2+clearance reach 98.6%, substantially can remove completely; It is also higher to the percent of decolourization of waste water, reaches 93.4%, good decolorizing effect, and adsorptivity is good, and the present invention simultaneously also reuses, environmental protection and economy.
Detailed description of the invention
Embodiment 1
A kind of rectorite waste water sorbing material, is prepared from weight portion by following composition: rectorite 2 parts, 1 part, kaolinite, polyacrylamide 2 parts, CMC 1 part, chitosan 1 part, iron oxide 5 parts, ammoniacal liquor 5 parts, phosphatidylinositols 1 part, sldium lauryl sulfate 1 part, 80 parts, NaOH, absolute ethyl alcohol 80 parts, Sodium Benzoate 0.1 part, concentrated hydrochloric acid 70 parts, 10 parts, water.
The preparation method of above-mentioned rectorite waste water sorbing material is: first by iron oxide, phosphatidylinositols, sldium lauryl sulfate and mixed in hydrochloric acid, stir with rotating speed 1300rpm with magnetic stirrer, drip ammoniacal liquor simultaneously, dropping terminates rear continuation stirring 15 minutes, then be warming up to 75 DEG C of standing room temperatures that are cooled to after 3 hours and leave standstill 24 hours, then centrifuge is placed under rotating speed 25000rpm centrifugal 2 minutes, abandoning supernatant, and mix after sediment cyclic washing 3 times with 2 parts of water with water, in supersonic wave cleaning machine after ultrasonic 20 minutes in vacuum drying chamber with at 30 DEG C dry 24 hours, again with rectorite, kaolinite, NaOH and the mixing of remaining water, 3 hours are stirred with rotating speed 1300rpm with magnetic stirrer, after filtration, filter cake is washed with water to neutrality, with at 30 DEG C dry 12 hours in vacuum drying chamber, be ground to Powdered after taking-up, last and polyacrylamide, CMC, chitosan, Sodium Benzoate, water mixes, stir 10 hours under 50 DEG C of water-baths, then at room temperature after 24 hours centrifugal 2 minutes are in centrifuges left standstill, 3 times are washed respectively with water and absolute ethyl alcohol, with after at 30 DEG C dry 24 hours and get final product in vacuum drying chamber.
Embodiment 2
A kind of rectorite waste water sorbing material, is prepared from weight portion by following composition: rectorite 3 parts, 1.5 parts, kaolinite, polyacrylamide 3 parts, CMC 1.3 parts, chitosan 1.3 parts, iron oxide 6 parts, ammoniacal liquor 6 parts, phosphatidylinositols 1.3 parts, sldium lauryl sulfate 1.2 parts, 85 parts, NaOH, absolute ethyl alcohol 85 parts, Sodium Benzoate 0.13 part, concentrated hydrochloric acid 80 parts, 25 parts, water.
The preparation method of above-mentioned rectorite waste water sorbing material is: first by iron oxide, phosphatidylinositols, sldium lauryl sulfate and mixed in hydrochloric acid, stir with rotating speed 1350rpm with magnetic stirrer, drip ammoniacal liquor simultaneously, dropping terminates rear continuation stirring 16 minutes, then be warming up to 78 DEG C of standing room temperatures that are cooled to after 3.3 hours and leave standstill 24 hours, then centrifuge is placed under rotating speed 25300rpm centrifugal 2.3 minutes, abandoning supernatant, and mix after sediment cyclic washing 3 times with 3 parts of water with water, in supersonic wave cleaning machine after ultrasonic 22 minutes in vacuum drying chamber with at 33 DEG C dry 24 hours, again with rectorite, kaolinite, NaOH and the mixing of remaining water, 3.3 hours are stirred with rotating speed 1350rpm with magnetic stirrer, after filtration, filter cake is washed with water to neutrality, with at 32 DEG C dry 12.2 hours in vacuum drying chamber, be ground to Powdered after taking-up, last and polyacrylamide, CMC, chitosan, Sodium Benzoate, water mixes, stir 10.5 hours under 55 DEG C of water-baths, then at room temperature after 24 hours centrifugal 2.5 minutes are in centrifuges left standstill, 3 times are washed respectively with water and absolute ethyl alcohol, with after at 32 DEG C dry 24 hours and get final product in vacuum drying chamber.
Embodiment 3
A kind of rectorite waste water sorbing material, is prepared from weight portion by following composition: rectorite 3.5 parts, 1.5 parts, kaolinite, polyacrylamide 3.5 parts, CMC 1.5 parts, chitosan 1.5 parts, iron oxide 7.5 parts, ammoniacal liquor 7.5 parts, phosphatidylinositols 1.5 parts, sldium lauryl sulfate 1.5 parts, 90 parts, NaOH, absolute ethyl alcohol 90 parts, Sodium Benzoate 0.15 part, concentrated hydrochloric acid 85 parts, 15 parts, water.
The preparation method of above-mentioned rectorite waste water sorbing material is: first by iron oxide, phosphatidylinositols, sldium lauryl sulfate and mixed in hydrochloric acid, stir with rotating speed 1400rpm with magnetic stirrer, drip ammoniacal liquor simultaneously, dropping terminates rear continuation stirring 17 minutes, then be warming up to 80 DEG C of standing room temperatures that are cooled to after 3.5 hours and leave standstill 24 hours, then centrifuge is placed under rotating speed 25500rpm centrifugal 2.5 minutes, abandoning supernatant, and mix after sediment cyclic washing 3 times with 2.5 parts of water with water, in supersonic wave cleaning machine after ultrasonic 25 minutes in vacuum drying chamber with at 35 DEG C dry 24 hours, again with rectorite, kaolinite, NaOH and the mixing of remaining water, 3.5 hours are stirred with rotating speed 1400rpm with magnetic stirrer, after filtration, filter cake is washed with water to neutrality, with at 35 DEG C dry 12.5 hours in vacuum drying chamber, be ground to Powdered after taking-up, last and polyacrylamide, CMC, chitosan, Sodium Benzoate, water mixes, stir 11 hours under 60 DEG C of water-baths, then at room temperature after 24 hours centrifugal 2.5 minutes are in centrifuges left standstill, 3 times are washed respectively with water and absolute ethyl alcohol, with after at 35 DEG C dry 24 hours and get final product in vacuum drying chamber.
Embodiment 4
A kind of rectorite waste water sorbing material, is prepared from weight portion by following composition: rectorite 4 parts, 1.9 parts, kaolinite, polyacrylamide 4 parts, CMC 1.8 parts, chitosan 1.8 parts, iron oxide 6-9 part, ammoniacal liquor 9 parts, phosphatidylinositols 1.9 parts, sldium lauryl sulfate 1.7 parts, 95 parts, NaOH, absolute ethyl alcohol 95 parts, Sodium Benzoate 0.17 part, concentrated hydrochloric acid 90 parts, 35 parts, water.
The preparation method of above-mentioned rectorite waste water sorbing material is: first by iron oxide, phosphatidylinositols, sldium lauryl sulfate and mixed in hydrochloric acid, stir with rotating speed 1450rpm with magnetic stirrer, drip ammoniacal liquor simultaneously, dropping terminates rear continuation stirring 19 minutes, then be warming up to 82 DEG C of standing room temperatures that are cooled to after 3.6 hours and leave standstill 24 hours, then centrifuge is placed under rotating speed 25800rpm centrifugal 2.8 minutes, abandoning supernatant, and mix after sediment cyclic washing 3 times with 4 parts of water with water, in supersonic wave cleaning machine after ultrasonic 28 minutes in vacuum drying chamber with at 38 DEG C dry 24 hours, again with rectorite, kaolinite, NaOH and the mixing of remaining water, 3.8 hours are stirred with rotating speed 1450rpm with magnetic stirrer, after filtration, filter cake is washed with water to neutrality, with at 35 DEG C dry 12.5 hours in vacuum drying chamber, be ground to Powdered after taking-up, last and polyacrylamide, CMC, chitosan, Sodium Benzoate, water mixes, stir 11.5 hours under 65 DEG C of water-baths, then at room temperature after 24 hours centrifugal 2.5 minutes are in centrifuges left standstill, 3 times are washed respectively with water and absolute ethyl alcohol, with after at 35 DEG C dry 24 hours and get final product in vacuum drying chamber.
Embodiment 5
A kind of rectorite waste water sorbing material, is prepared from weight portion by following composition: rectorite 5 parts, 2 parts, kaolinite, polyacrylamide 5 parts, CMC 2 parts, chitosan 2 parts, iron oxide 10 parts, ammoniacal liquor 10 parts, phosphatidylinositols 2 parts, sldium lauryl sulfate 2 parts, 100 parts, NaOH, absolute ethyl alcohol 100 parts, Sodium Benzoate 0.2 part, concentrated hydrochloric acid 100 parts, 20 parts, water.
The preparation method of above-mentioned rectorite waste water sorbing material is: first by iron oxide, phosphatidylinositols, sldium lauryl sulfate and mixed in hydrochloric acid, stir with rotating speed 1500rpm with magnetic stirrer, drip ammoniacal liquor simultaneously, dropping terminates rear continuation stirring 20 minutes, then be warming up to 85 DEG C of standing room temperatures that are cooled to after 4 hours and leave standstill 24 hours, then centrifuge is placed under rotating speed 26000rpm centrifugal 3 minutes, abandoning supernatant, and mix after sediment cyclic washing 3 times with 5 parts of water with water, in supersonic wave cleaning machine after ultrasonic 30 minutes in vacuum drying chamber with at 40 DEG C dry 24 hours, again with rectorite, kaolinite, NaOH and the mixing of remaining water, 4 hours are stirred with rotating speed 1500rpm with magnetic stirrer, after filtration, filter cake is washed with water to neutrality, with at 40 DEG C dry 13 hours in vacuum drying chamber, be ground to Powdered after taking-up, last and polyacrylamide, CMC, chitosan, Sodium Benzoate, water mixes, stir 12 hours under 70 DEG C of water-baths, then at room temperature after 24 hours centrifugal 3 minutes are in centrifuges left standstill, 3 times are washed respectively with water and absolute ethyl alcohol, with after at 40 DEG C dry 24 hours and get final product in vacuum drying chamber.
Comparative example 1
The difference of the present embodiment and embodiment 5 is, not containing kaolinite, to replace with rectorite.Specifically:
A kind of rectorite waste water sorbing material, is prepared from weight portion by following composition: rectorite 7 parts, polyacrylamide 5 parts, CMC 2 parts, chitosan 2 parts, iron oxide 10 parts, ammoniacal liquor 10 parts, phosphatidylinositols 2 parts, sldium lauryl sulfate 2 parts, 100 parts, NaOH, absolute ethyl alcohol 100 parts, Sodium Benzoate 0.2 part, concentrated hydrochloric acid 100 parts, 20 parts, water.
The preparation method of above-mentioned rectorite waste water sorbing material is: first by iron oxide, phosphatidylinositols, sldium lauryl sulfate and mixed in hydrochloric acid, stir with rotating speed 1500rpm with magnetic stirrer, drip ammoniacal liquor simultaneously, dropping terminates rear continuation stirring 20 minutes, then be warming up to 85 DEG C of standing room temperatures that are cooled to after 4 hours and leave standstill 24 hours, then centrifuge is placed under rotating speed 26000rpm centrifugal 3 minutes, abandoning supernatant, and mix after sediment cyclic washing 3 times with 5 parts of water with water, in supersonic wave cleaning machine after ultrasonic 30 minutes in vacuum drying chamber with at 40 DEG C dry 24 hours, again with rectorite, NaOH and the mixing of remaining water, 4 hours are stirred with rotating speed 1500rpm with magnetic stirrer, after filtration, filter cake is washed with water to neutrality, with at 40 DEG C dry 13 hours in vacuum drying chamber, be ground to Powdered after taking-up, last and polyacrylamide, CMC, chitosan, Sodium Benzoate, water mixes, stir 12 hours under 70 DEG C of water-baths, then at room temperature after 24 hours centrifugal 3 minutes are in centrifuges left standstill, 3 times are washed respectively with water and absolute ethyl alcohol, with after at 40 DEG C dry 24 hours and get final product in vacuum drying chamber.
Comparative example 2
The difference of the present embodiment and embodiment 5 is, not containing CMC, to replace with chitosan.Specifically:
A kind of rectorite waste water sorbing material, is prepared from weight portion by following composition: rectorite 5 parts, 2 parts, kaolinite, polyacrylamide 5 parts, chitosan 4 parts, iron oxide 10 parts, ammoniacal liquor 10 parts, phosphatidylinositols 2 parts, sldium lauryl sulfate 2 parts, 100 parts, NaOH, absolute ethyl alcohol 100 parts, Sodium Benzoate 0.2 part, concentrated hydrochloric acid 100 parts, 20 parts, water.
The preparation method of above-mentioned rectorite waste water sorbing material is: first by iron oxide, phosphatidylinositols, sldium lauryl sulfate and mixed in hydrochloric acid, stir with rotating speed 1500rpm with magnetic stirrer, drip ammoniacal liquor simultaneously, dropping terminates rear continuation stirring 20 minutes, then be warming up to 85 DEG C of standing room temperatures that are cooled to after 4 hours and leave standstill 24 hours, then centrifuge is placed under rotating speed 26000rpm centrifugal 3 minutes, abandoning supernatant, and mix after sediment cyclic washing 3 times with 5 parts of water with water, in supersonic wave cleaning machine after ultrasonic 30 minutes in vacuum drying chamber with at 40 DEG C dry 24 hours, again with rectorite, kaolinite, NaOH and the mixing of remaining water, 4 hours are stirred with rotating speed 1500rpm with magnetic stirrer, after filtration, filter cake is washed with water to neutrality, with at 40 DEG C dry 13 hours in vacuum drying chamber, be ground to Powdered after taking-up, last and polyacrylamide, chitosan, Sodium Benzoate, water mixes, stir 12 hours under 70 DEG C of water-baths, then at room temperature after 24 hours centrifugal 3 minutes are in centrifuges left standstill, 3 times are washed respectively with water and absolute ethyl alcohol, with after at 40 DEG C dry 24 hours and get final product in vacuum drying chamber.
Each embodiment and comparative example are compared, comparing result is as following table 1:
The performance indications of table 1 rectorite waste water sorbing material
| Name of product | To Cu 2+Adsorption rate (%) | To Pb 2+Adsorption rate (%) | To Cd 2+Adsorption rate (%) | Percent of decolourization (%) |
| Embodiment 1 | 91.2 | 98.1 | 87.3 | 92.7 |
| Embodiment 2 | 91.4 | 98.3 | 87.5 | 92.9 |
| Embodiment 3 | 91.4 | 98.4 | 87.5 | 93.1 |
| Embodiment 4 | 91.6 | 98.6 | 87.8 | 93.4 |
| Embodiment 5 | 91.5 | 98.5 | 87.6 | 93.2 |
| Comparative example 1 | 84.6 | 90.3 | 82.1 | 90.1 |
| Comparative example 2 | 77.8 | 85.1 | 73.6 | 88.5 |
As known from Table 1, embodiment 1-5 is very high to the clearance of each metal ion, substantially all will reach 90%, especially to Pb
2+clearance reach 98.6%, substantially can remove completely; It is also higher to the percent of decolourization of waste water, reaches 93.4%, good decolorizing effect, and adsorptivity is good.Compare with comparative example, find that two comparative examples all significantly decrease to each metal biosorption effect, percent of decolourization also declines to some extent, and effect is particularly evident after replacing CMC with chitosan, all more than 10% be have dropped to metal biosorption rate, illustrate by chitosan and CMC is composite can significantly improve metal biosorption effect, and kaolinite and rectorite is composite also can improve effect of the present invention to a certain extent.Result as can be seen from table, embodiment 4 is optimum embodiments of the present invention.
Claims (9)
1. a rectorite waste water sorbing material, is characterized in that: be prepared from weight portion by following composition: rectorite 2-5 part, kaolinite 1-2 part, polyacrylamide 2-5 part, CMC 1-2 part, chitosan 1-2 part, iron oxide 5-10 part, ammoniacal liquor 5-10 part, phosphatidylinositols 1-2 part, sldium lauryl sulfate 1-2 part, NaOH 80-100 part, absolute ethyl alcohol 80-100 part, Sodium Benzoate 0.1-0.2 part, concentrated hydrochloric acid 70-100 part, water 10-20 part.
2. a kind of rectorite waste water sorbing material according to claim 1, is characterized in that: be prepared from weight portion by following composition: rectorite 3-4 part, kaolinite 1.5-1.9 part, polyacrylamide 3-4 part, CMC 1.3-1.8 part, chitosan 1.3-1.8 part, iron oxide 6-9 part, ammoniacal liquor 6-9 part, phosphatidylinositols 1.3-1.9 part, sldium lauryl sulfate 1.2-1.7 part, NaOH 85-95 part, absolute ethyl alcohol 85-95 part, Sodium Benzoate 0.13-0.17 part, concentrated hydrochloric acid 80-90 part, water 13-18 part.
3. the preparation method of a kind of rectorite waste water sorbing material described in any one of claim 1 to 2, is characterized in that: comprise the following steps:
Step 1: by iron oxide, phosphatidylinositols, sldium lauryl sulfate and mixed in hydrochloric acid, stir with rotating speed 1300-1500rpm with magnetic stirrer, drip ammoniacal liquor simultaneously, dropping terminates rear continuation and stirs 15-20 minute, is cooled to room temperature and leaves standstill 24 hours after being then warming up to 75-85 DEG C of standing 3-4 hour;
Step 2: step 1 gained mixture is placed in centrifuge centrifugal 2-3 minute under rotating speed 25000-26000rpm, abandoning supernatant, and with water by sediment cyclic washing 3 times;
Step 3: washed sediment is mixed with 2-5 part water, in supersonic wave cleaning machine after ultrasonic 20-30 minute in vacuum drying chamber with at 30-40 DEG C dry 24 hours;
Step 4: step 3 gains, rectorite, kaolinite, NaOH and remaining water are mixed, 3-4 hour is stirred with rotating speed 1300-1500rpm with magnetic stirrer, after filtration, filter cake is washed with water to neutrality, with dry 12-13 hour at 30-40 DEG C in vacuum drying chamber, be ground to Powdered after taking-up;
Step 5: step 4 gained powder, polyacrylamide, CMC, chitosan, Sodium Benzoate and water are mixed, stir 10-12 hour under 50-70 DEG C of water-bath, then at room temperature leaves standstill 24 hours;
Step 6: by step 5 reactant centrifugal 2-3 minute in centrifuges, then wash 3 times respectively with water and absolute ethyl alcohol, with after at 30-40 DEG C dry 24 hours and get final product in vacuum drying chamber.
4. the preparation method of a kind of rectorite waste water sorbing material according to claim 3, it is characterized in that: described step 1 medium speed is 1350-1450rpm, mixing time is 16-19 minute, and dwell temperature is 78-82 DEG C, and time of repose is 3.3-3.6.
5. the preparation method of a kind of rectorite waste water sorbing material according to claim 3, it is characterized in that: in described step 2, centrifuge speed is 25300-25800rpm, centrifugation time is 2.3-2.8 minute.
6. the preparation method of a kind of rectorite waste water sorbing material according to claim 3, it is characterized in that: in described step 3, ultrasonic time is 22-28 minute, baking temperature is 33-38 DEG C.
7. the preparation method of a kind of rectorite waste water sorbing material according to claim 3, it is characterized in that: described step 4 medium speed is 1350-1450rpm, mixing time is 3.3-3.8 hour, and baking temperature is 32-35 DEG C,, drying time is 12.2-12.5 hour.
8. the preparation method of a kind of rectorite waste water sorbing material according to claim 3, it is characterized in that: in described step 5, bath temperature is 55-65 DEG C, water bath time is 10.5-11.5 hour.
9. the preparation method of a kind of rectorite waste water sorbing material according to claim 3, it is characterized in that: centrifugation time 2.5-2.9 minute in described step 6, baking temperature is 32-35 DEG C.
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| CN110432270A (en) * | 2019-07-25 | 2019-11-12 | 浙江省农业科学院 | A kind of biological sterilization preparations and its application in prevention and treatment bean sprouts anthracnose |
| CN110498954A (en) * | 2019-07-17 | 2019-11-26 | 温州职业技术学院 | A kind of property of modified rectorite/Heveatex composite foam material and preparation method thereof |
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| WO2014108681A1 (en) * | 2013-01-10 | 2014-07-17 | Surface Innovations Limited | A method of capturing heavy metals by a chemically functionalized surface |
| CN105000651A (en) * | 2015-08-25 | 2015-10-28 | 宁波保税区维迪克环保科技有限公司 | Electroplating wastewater treatment agent |
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| CN102658100A (en) * | 2012-04-26 | 2012-09-12 | 江苏科技大学 | Preparation method of polyacrylic acid-humic acid-rectorite composite adsorbing agent |
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| CN110498954A (en) * | 2019-07-17 | 2019-11-26 | 温州职业技术学院 | A kind of property of modified rectorite/Heveatex composite foam material and preparation method thereof |
| CN110498954B (en) * | 2019-07-17 | 2021-12-10 | 温州职业技术学院 | Modified rectorite/natural latex composite foaming material and preparation method thereof |
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