CN105327683A - Carbon nanotube printing and dyeing wastewater treatment complexing agent based on SiO<2>/TiO<2> mesoporous composite microsphere carrier and preparation method - Google Patents
Carbon nanotube printing and dyeing wastewater treatment complexing agent based on SiO<2>/TiO<2> mesoporous composite microsphere carrier and preparation method Download PDFInfo
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- CN105327683A CN105327683A CN201510764298.8A CN201510764298A CN105327683A CN 105327683 A CN105327683 A CN 105327683A CN 201510764298 A CN201510764298 A CN 201510764298A CN 105327683 A CN105327683 A CN 105327683A
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Abstract
The invention discloses a carbon nanotube printing and dyeing wastewater treatment complexing agent based on a SiO<2>/TiO<2> mesoporous composite microsphere carrier and a preparation method. The composition is prepared from, by weight, 20-30 parts of calcium bentonite, 20-30 parts of active medical stone, 1-2 parts of tannin, 2-4 parts of poly (citric acid ester, 12-14 parts of acid chitosan ionic liquid, 6-8 parts of caustic-burned magnesia powder, 6-8 parts of microwave activation potassium persulfate, 10-12 parts of carbon nano tubes, 30-40 parts of sulfonated SiO<2>/TiO<2> mesoporous composite microspheres, 2-3 parts of hydroxymethyl cellulose, a proper amount of ethyl alcohol, a proper amount of water and a proper amount of water. According to the carbon nanotube printing and dyeing wastewater treatment complexing agent based on the SiO<2>/TiO<2> mesoporous composite microsphere carrier and the preparation method, the sulfonated SiO<2>/TiO<2> mesoporous composite microspheres, the carbon nano tubes, the calcium bentonite, the acid chitosan ionic liquid and the like are adopted and matched to prepare the printing and dyeing wastewater treatment agent, and the carbon nanotube printing and dyeing wastewater treatment complexing agent based on the SiO<2>/TiO<2> mesoporous composite microsphere carrier and the preparation method have the advantages that the raw materials are wide in source, environmentally friendly and high in adsorption efficiency, the sulfonated mesoporous composite microspheres are utilized, the content of organic pollutants in the printing and dyeing wastewater is effectively inhibited, the acid chitosan ionic liquid is utilized to modify the calcium bentonite and the like, organic matter is combined with inorganic matter, and the direct adsorption efficiency can be effectively improved.
Description
Technical field
The invention belongs to water treatment formulation art, specifically relate to a kind of based on SiO
2/ TiO
2composite mesoporous microsphere supported CNT treatment of dyeing wastewater complexing agent and preparation method.
Background technology
Due to a large amount of fuel can be used in dyeing process, the chemical substances such as auxiliary agent, so a large amount of dyeing waste waters can be produced, according to incompletely statistics, China's dyeing waste water discharge capacity reaches 3000-4000kt/d, dyeing waste water contains a large amount of fuel, auxiliary agent, slurry, soda acid and inorganic salts, because of complicated component, content of organics is high, basicity is high, colourity is dark, temperature is high, biodegradability is poor, the pollution that the direct discharge of printing and dyeing water makes each large river basin, the whole nation be subject in various degree, the Drinking Water of the people receives serious threat, therefore the comprehensive regulation of dyeing waste water becomes the task of top priority.China's water resource lacks, and the requirement of Environmental protection is more and more higher, and in order to the following demand to dyeing water resource of southerner, also right in order to strengthen, the exploitation of the water treatment preparation of dyeing water treatment process Green environment-friendly high-efficiency is even more important.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of based on the composite mesoporous microsphere supported CNT treatment of dyeing wastewater complexing agent of SiO2/TiO2 and preparation method.
For achieving the above object, the technical solution used in the present invention is:
A kind of based on SiO
2/ TiO
2composite mesoporous microsphere supported CNT treatment of dyeing wastewater complexing agent, it is characterized in that, said composition comprises the raw material by following weight portion: calcium-base bentonite 20-30, active medical stone 20-30, tannin 1-2, poly-citrate 2-4, acidic chitosan ionic liquid 12-14, light-burning magnesium powder 6-8, microwave activation potassium peroxydisulfate 6-8, CNT 10-12, sulfonated SiO
2/ TiO
2composite mesoporous microballoon 30-40, CMC 2-3, appropriate ethanol, appropriate deionized water, appropriate water.
A kind of based on SiO
2/ TiO
2the preparation method of composite mesoporous microsphere supported CNT treatment of dyeing wastewater complexing agent, is characterized in that, comprise the following steps:
(1) by sulfonated SiO
2/ TiO
2composite mesoporous microballoon, microwave activation potassium peroxydisulfate, CNT mix, and add gross weight 2-3 ethanol doubly, and at 200 DEG C, stir 2-3h, cooling, obtains SiO
2/ TiO
2composite mesoporous microballoon is that the modified carbon nano-tube of carrier is for subsequent use;
(2) by calcium-base bentonite, acidic chitosan ionic liquid, active medical stone, light-burning magnesium powder mixing, adopt high pressure homogenizer homogeneous process 2-3h, process high adsorbent powder is for subsequent use in the drying of employing spraying dry dry technology;
(3) by SiO
2/ TiO
2composite mesoporous microballoon is the modified carbon nano-tube of carrier, high adsorbent powder, tannin, poly-citrate, CMC and gross weight 2-3 deionized water mixing doubly; thermal agitation 1.5-2h is added at 90-110 DEG C; the dehydration of traditional vacuum dewaterer is adopted to be the 34-36% of gross weight to moisture afterwards; the screw extrusion comminutor of band hedgehog type syringe needle is adopted to prepare the hollow porous particle of diameter 7-9mm; adopt dry 26-30min on the fluid bed of air drier at 100 DEG C, cool and get final product.
Beneficial effect of the present invention:
The present invention adopts sulfonated SiO
2/ TiO
2composite mesoporous microballoon, CNT, calcium-base bentonite, acidic chitosan ionic liquid, active medical stone, light-burning magnesium powder prepare printing and dyeing water treatment preparation, have material source extensively, environmental protection, advantage that adsorption efficiency is high, sulfonated medium complex microsphere is utilized effectively to inhibit the content of organic pollution in dyeing waste water, acidic chitosan ionic liquid is utilized to modify calcium-base bentonite, active medical stone and light-burning magnesium powder, combined by organic-inorganic, can effectively improve direct adsorption efficiency.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme of the present invention is further described.
Embodiment 1:
A kind of based on SiO
2/ TiO
2composite mesoporous microsphere supported CNT treatment of dyeing wastewater complexing agent, said composition comprises the raw material by following weight (kg): calcium-base bentonite 20, active medical stone 20, tannin 1.5, poly-citrate 3, acidic chitosan ionic liquid 12, light-burning magnesium powder 6, microwave activation potassium peroxydisulfate 8, CNT 12, sulfonated SiO
2/ TiO
2composite mesoporous microballoon 40, CMC 2.5, appropriate ethanol, appropriate deionized water, appropriate water.
A kind of based on SiO
2/ TiO
2the preparation method of composite mesoporous microsphere supported CNT treatment of dyeing wastewater complexing agent, comprises the following steps:
(1) by sulfonated SiO
2/ TiO
2composite mesoporous microballoon, microwave activation potassium peroxydisulfate, CNT mix, and add the ethanol of gross weight 2.5 times, at 200 DEG C, stir 2.5h, and cooling, obtains SiO
2/ TiO
2composite mesoporous microballoon is that the modified carbon nano-tube of carrier is for subsequent use;
(2) by calcium-base bentonite, acidic chitosan ionic liquid, active medical stone, light-burning magnesium powder mixing, adopt high pressure homogenizer homogeneous process 2.5h, process high adsorbent powder is for subsequent use in the drying of employing spraying dry dry technology;
(3) by SiO
2/ TiO
2composite mesoporous microballoon is the deionized water mixing of the modified carbon nano-tube of carrier, high adsorbent powder, tannin, poly-citrate, CMC and gross weight 2.5 times; thermal agitation 2h is added at 90 DEG C; the dehydration of traditional vacuum dewaterer is adopted to be 34% of gross weight to moisture afterwards; the screw extrusion comminutor of band hedgehog type syringe needle is adopted to prepare the hollow porous particle of diameter 7mm; adopt dry 26min on the fluid bed of air drier at 100 DEG C, cool and get final product.
Embodiment 2:
A kind of based on SiO
2/ TiO
2composite mesoporous microsphere supported CNT treatment of dyeing wastewater complexing agent, said composition comprises the raw material by following weight (kg): calcium-base bentonite 25, active medical stone 25, tannin 1.5, poly-citrate 3, acidic chitosan ionic liquid 13, light-burning magnesium powder 7, microwave activation potassium peroxydisulfate 7, CNT 11, the composite mesoporous microballoon of sulfonated SiO2/TiO2 35, CMC 2.5, appropriate ethanol, appropriate deionized water, appropriate water.
A kind of based on SiO
2/ TiO
2the preparation method of composite mesoporous microsphere supported CNT treatment of dyeing wastewater complexing agent, comprises the following steps:
(1) by sulfonated SiO
2/ TiO
2composite mesoporous microballoon, microwave activation potassium peroxydisulfate, CNT mix, and add the ethanol of gross weight 2.5 times, at 200 DEG C, stir 2.5h, and cooling, obtains SiO
2/ TiO
2composite mesoporous microballoon is that the modified carbon nano-tube of carrier is for subsequent use;
(2) by calcium-base bentonite, acidic chitosan ionic liquid, active medical stone, light-burning magnesium powder mixing, adopt high pressure homogenizer homogeneous process 2.5h, process high adsorbent powder is for subsequent use in the drying of employing spraying dry dry technology;
(3) by SiO
2/ TiO
2composite mesoporous microballoon is the deionized water mixing of the modified carbon nano-tube of carrier, high adsorbent powder, tannin, poly-citrate, CMC and gross weight 2.5 times; thermal agitation 1.75h is added at 100 DEG C; the dehydration of traditional vacuum dewaterer is adopted to be 35% of gross weight to moisture afterwards; the screw extrusion comminutor of band hedgehog type syringe needle is adopted to prepare the hollow porous particle of diameter 8mm; adopt dry 28min on the fluid bed of air drier at 100 DEG C, cool and get final product.
Embodiment 3:
A kind of based on SiO
2/ TiO
2composite mesoporous microsphere supported CNT treatment of dyeing wastewater complexing agent, said composition comprises the raw material by following weight (kg): calcium-base bentonite 30, active medical stone 30, tannin 1.5, poly-citrate 3, acidic chitosan ionic liquid 14, light-burning magnesium powder 8, microwave activation potassium peroxydisulfate 6, CNT 10, sulfonated SiO
2/ TiO
2composite mesoporous microballoon 30, CMC 2.5, appropriate ethanol, appropriate deionized water, appropriate water.
A kind of based on SiO
2/ TiO
2the preparation method of composite mesoporous microsphere supported CNT treatment of dyeing wastewater complexing agent, comprises the following steps:
(1) by sulfonated SiO
2/ TiO
2composite mesoporous microballoon, microwave activation potassium peroxydisulfate, CNT mix, and add the ethanol of gross weight 2.5 times, at 200 DEG C, stir 2.5h, and cooling, obtains SiO
2/ TiO
2composite mesoporous microballoon is that the modified carbon nano-tube of carrier is for subsequent use;
(2) by calcium-base bentonite, acidic chitosan ionic liquid, active medical stone, light-burning magnesium powder mixing, adopt high pressure homogenizer homogeneous process 2.5h, process high adsorbent powder is for subsequent use in the drying of employing spraying dry dry technology;
(3) by SiO
2/ TiO
2composite mesoporous microballoon is the deionized water mixing of the modified carbon nano-tube of carrier, high adsorbent powder, tannin, poly-citrate, CMC and gross weight 2.5 times; thermal agitation 1.5h is added at 110 DEG C; the dehydration of traditional vacuum dewaterer is adopted to be 34% of gross weight to moisture afterwards; the screw extrusion comminutor of band hedgehog type syringe needle is adopted to prepare the hollow porous particle of diameter 9mm; adopt dry 30min on the fluid bed of air drier at 100 DEG C, cool and get final product.
First with the same dyeing waste water of three parts of 10Kg for sample water, add 0.5Kg embodiment 1-3 respectively and prepare water treatment preparation, measure COD, the percent of decolourizations in three parts of printing and dyeing zeolites after stirring 2h respectively, result is as follows.
The water treatment preparation that table 1 adopts embodiment 1-3 to prepare processes three increment example water respectively, and result is as follows
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| COD（mg/L） | 672 | 401 | 469 |
| Percent of decolourization | 95.89% | 98.98% | 96.89% |
As seen from the above table, the more untreated general COD content 2000-3000mg/L dyeing waste water of dyeing waste water after goods process of the present invention, COD content significantly declines, and simultaneously by good decolorizing effect, illustrates that these goods have good adsorption effect to the fuel in dyeing waste water.
Claims (2)
1. one kind based on SiO
2/ TiO
2composite mesoporous microsphere supported CNT treatment of dyeing wastewater complexing agent, it is characterized in that, said composition comprises the raw material by following weight portion: calcium-base bentonite 20-30, active medical stone 20-30, tannin 1-2, poly-citrate 2-4, acidic chitosan ionic liquid 12-14, light-burning magnesium powder 6-8, microwave activation potassium peroxydisulfate 6-8, CNT 10-12, sulfonated SiO
2/ TiO
2composite mesoporous microballoon 30-40, CMC 2-3, appropriate ethanol, appropriate deionized water, appropriate water.
2. one kind as claimed in claim 1 based on SiO
2/ TiO
2the preparation method of composite mesoporous microsphere supported CNT treatment of dyeing wastewater complexing agent, is characterized in that, comprise the following steps:
(1) by sulfonated SiO
2/ TiO
2composite mesoporous microballoon, microwave activation potassium peroxydisulfate, CNT mix, and add gross weight 2-3 ethanol doubly, and at 200 DEG C, stir 2-3h, cooling, obtains SiO
2/ TiO
2composite mesoporous microballoon is that the modified carbon nano-tube of carrier is for subsequent use;
(2) by calcium-base bentonite, acidic chitosan ionic liquid, active medical stone, light-burning magnesium powder mixing, adopt high pressure homogenizer homogeneous process 2-3h, process high adsorbent powder is for subsequent use in the drying of employing spraying dry dry technology;
(3) by SiO
2/ TiO
2composite mesoporous microballoon is the modified carbon nano-tube of carrier, high adsorbent powder, tannin, poly-citrate, CMC and gross weight 2-3 deionized water mixing doubly; thermal agitation 1.5-2h is added at 90-110 DEG C; the dehydration of traditional vacuum dewaterer is adopted to be the 34-36% of gross weight to moisture afterwards; the screw extrusion comminutor of band hedgehog type syringe needle is adopted to prepare the hollow porous particle of diameter 7-9mm; adopt dry 26-30min on the fluid bed of air drier at 100 DEG C, cool and get final product.
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| CN201510764298.8A CN105327683A (en) | 2015-11-11 | 2015-11-11 | Carbon nanotube printing and dyeing wastewater treatment complexing agent based on SiO<2>/TiO<2> mesoporous composite microsphere carrier and preparation method |
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| CN201510764298.8A CN105327683A (en) | 2015-11-11 | 2015-11-11 | Carbon nanotube printing and dyeing wastewater treatment complexing agent based on SiO<2>/TiO<2> mesoporous composite microsphere carrier and preparation method |
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Cited By (6)
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| CN107381869A (en) * | 2017-08-21 | 2017-11-24 | 北京市畜牧业环境监测站 | A kind of method for handling methylene blue waste water |
| CN108624005A (en) * | 2017-03-24 | 2018-10-09 | 华东理工大学 | Double factor slow-released system based on POC and meso-porous nano microballoon |
| CN111675445A (en) * | 2016-07-20 | 2020-09-18 | 张哲夫 | Treatment method for removing cellulose in papermaking wastewater |
| CN111774018A (en) * | 2020-06-19 | 2020-10-16 | 浙江建业化工股份有限公司 | Plasticizer DOTP energy-saving reaction system of high-efficient edulcoration |
| CN112275254A (en) * | 2020-10-14 | 2021-01-29 | 四川长晏科技有限公司 | Wastewater treatment agent and preparation method and application thereof |
| RU2747540C1 (en) * | 2020-09-07 | 2021-05-06 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Саратовский государственный технический университет имени Гагарина Ю.А." (СГТУ имени Гагарина Ю.А.) | Method for adsorption purification of wastewater containing aromatic compounds of benzene series |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675445A (en) * | 2016-07-20 | 2020-09-18 | 张哲夫 | Treatment method for removing cellulose in papermaking wastewater |
| CN108624005A (en) * | 2017-03-24 | 2018-10-09 | 华东理工大学 | Double factor slow-released system based on POC and meso-porous nano microballoon |
| CN108624005B (en) * | 2017-03-24 | 2021-10-29 | 华东理工大学 | Double-factor slow release system based on POC and mesoporous nano-microspheres |
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| CN111774018A (en) * | 2020-06-19 | 2020-10-16 | 浙江建业化工股份有限公司 | Plasticizer DOTP energy-saving reaction system of high-efficient edulcoration |
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| CN112275254A (en) * | 2020-10-14 | 2021-01-29 | 四川长晏科技有限公司 | Wastewater treatment agent and preparation method and application thereof |
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