CN108178228A - The method that water hyacinth base hydro-thermal carbon adsorbent removes Crystal Violet Dye in water removal - Google Patents
The method that water hyacinth base hydro-thermal carbon adsorbent removes Crystal Violet Dye in water removal Download PDFInfo
- Publication number
- CN108178228A CN108178228A CN201810013835.9A CN201810013835A CN108178228A CN 108178228 A CN108178228 A CN 108178228A CN 201810013835 A CN201810013835 A CN 201810013835A CN 108178228 A CN108178228 A CN 108178228A
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- Prior art keywords
- water
- water hyacinth
- crystal violet
- base hydro
- carbon adsorbent
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/4843—Algae, aquatic plants or sea vegetals, e.g. seeweeds, eelgrass
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
Abstract
The method that water hyacinth base hydro-thermal carbon adsorbent removes Crystal Violet Dye in water removal belongs to water treatment field, includes the following steps：Pureed is made in water hyacinth, it is put into reaction kettle, lead to nitrogen into reaction kettle, make to form oxygen-free environment in autoclave body, reacted kettle reacts 2.5 6 hours generation water hyacinth base hydro-thermal charcoals at 180 220 DEG C, it centrifuges and washes with water for several times, through drying, grind, be sized to 350 850 μm to get to adsorbent；Adsorbent is added in the crystal violet solution of 100 400mg/L of initial concentration, for 24 hours, centrifugation makes separation of solid and liquid for concussion absorption 20 under the conditions of 10 30 DEG C；Water hyacinth base hydro-thermal carbon adsorbent dosage is 0.8 1.6g/L.The present invention can not only mitigate water hyacinth overpreading and pollution on the environment, can also turn waste into wealth, and remove the Crystal Violet Dye in water removal, the treatment of wastes with processes of wastes against one another, realize sludge resource efficiently use and water environment protection.
Description
Technical field
The invention belongs to water-treatment technology fields, are specifically related to a kind of utilization water hyacinth hydro-thermal carbon adsorbent and go in water removal
The method of Crystal Violet Dye.
Background technology
China is textile printing and dyeing big country, according to incompletely statistics, China day discharge dyeing waste water amount for (300~400) ×
104T is one of industry blowdown rich and influential family.Compared with developed countries, textile printing and dyeing industry unit water consumption in China's is the 2 of developed country
~3 times, unit total amount of pollutants discharged is 1.2~1.8 times of developed country.Compared with other industry, textile printing and dyeing industry not only water consumption
Greatly, it is and seriously polluted.
Crystal violet (crystal violet) also known as gentian violet are to use a kind of most wide artificial synthesized basic dye at present,
Belong to triphenylmethane dye, in terms of industry, biology, the medicine on be widely used, waste water from dyestuff has that coloration is big, organic dirt
Contaminate object content height, complicated components, change of water quality and bio-toxicity be big and bio-refractory, and towards it is anti-light solve, it is oxidation resistant
The features such as direction is developed, many dyestuffs and their metabolin are all toxic, and teratogenesis, carcinogenic can be generated to aquatile and the mankind
And mutagenic consequence, so the loss of dyestuff not only results in huge economic loss, also serious pollution environment.
Dye waste water treatment method mainly has physico-chemical process, chemical method and biochemical process at present, and obtains certain effect, however
In place of above method all Shortcomings or removal effect is bad or inconvenient or not strong etc. to waste water from dyestuff adaptability.It is living
Property charcoal is to apply earliest and most excellent decolorizing adsorbent, but expensive.Pore structure of the biomass carbon with prosperity,
The features such as high specific surface area and abundant surface functional group, this makes biomass carbon be widely used in biological adsorption field
Prospect.
Water hyacinth also known as Eichhornia crassipes originate in Brazil, and Tropical Asian area has also been grown extensively, likes warm and moist, sunlight
Sufficient environment, adaptability is also very strong, has certain tolerance to cold, is born in pool, irrigation canals and ditches and the rice of 200-1500 meters of height above sea level
Tanaka.Water hyacinth was once once being introduced by many countries, was distributed widely in all over the world, though water hyacinth has very strong purification in itself
Sewage ability, but water hyacinth reproduction speed is exceedingly fast, when growth, can consume a large amount of dissolved oxygens, and a large amount of water hyacinth covers river surface, holds
Water quality deterioration is easily caused, influences the growth of benthon.Meanwhile water hyacinth can adsorb the noxious materials such as heavy metal, after dead
Secondary pollution is formed to water body, influences people and animals' drinking water safety.The famous water body such as Dian Chi, Taihu Lake, Huangpu River and Wuhan East Lake,
There is the situation that water hyacinth overflows, expending huge fund can not also effect a radical cure.Biomass by hydro-thermal charing process is easy to destroy micro-
Biological cell makes the hydrolysis of organic matter in water hyacinth, and with the increase of hydrothermal temperature and pressure, inter-particle collision increase is led
Cause the destruction of colloid mechanism.A kind of water hyacinth high-moisture percentage water plant huge as yield, biomass by hydro-thermal charing tool
There is the double benefit of prevention and cure of pollution and carbon emission reduction.If water hyacinth is used to prepare biomass by hydro-thermal charcoal, prospect is boundless.
In this patent, it provides and prepares crystal violet in biomass by hydro-thermal carbon adsorbent removal printing and dyeing water using water hyacinth and have efficacious prescriptions
Method can not only mitigate water hyacinth overpreading and pollution on the environment, can also turn waste into wealth, and go the crystallization in water removal
Purple dye, the treatment of wastes with processes of wastes against one another, realize sludge resource efficiently use and water environment protection.
Invention content
The object of the present invention is to provide a kind of high-efficiency environment friendlies to utilize crystal violet in water hyacinth base hydro-thermal charcoal Adsorption water
The method of dyestuff.
A kind of water hyacinth base hydro-thermal carbon adsorbent, preparation method include the following steps：
Water hyacinth plus water are put into meat grinder and stir into pureed, is put into reaction kettle, reaction kettle cover is covered, into reaction kettle
Logical nitrogen 3-5 minutes, makes to form oxygen-free environment in autoclave body, and 2.5-6 hours generation water hyacinth base hydro-thermals are reacted at 180-220 DEG C
Charcoal is centrifuged and is washed with water for several times, dry to get to water hyacinth base hydro-thermal carbon adsorbent.
Above-mentioned water hyacinth base hydro-thermal carbon adsorbent is used to go the crystal violet in water removal.
Preferably 180 DEG C of temperature in preparation condition, time preferred 3h.
Water hyacinth base hydro-thermal carbon adsorbent is added in the crystal violet solution that initial concentration is 100-400mg/L, in 10-
For 24 hours, centrifugation makes separation of solid and liquid for concussion absorption under the conditions of 30 DEG C.Liquid is collected into waste liquid barrel, is uniformly processed.
When above-mentioned water hyacinth base hydro-thermal carbon adsorbent is for going crystal violet in water removal, the preferred 1.6g/L of dosage, absorption temperature
Spend preferred 15-20 DEG C.
Beneficial effects of the present invention are embodied in：
(1) water hyacinth base hydro-thermal carbon adsorbent of the invention has preferable absorption property, has to crystal violet in water higher
Removal rate, 15-20 DEG C of when can remove in water 95% Crystal Violet Dye, and highest removal rate has been even up to 99.4%, absorption
Amount is up to 220mg/g.
(2) compared with the methods of chemical precipitation, UF membrane, redox, biodegradation, of the invention utilizes water hyacinth base
The method of crystal violet in hydro-thermal charcoal Adsorption water, easy to operate, of low cost, non-secondary pollution have industrialization prospect.
(3) the water hyacinth base hydro-thermal carbon adsorbent for preparing of the present invention, avoid water hyacinth overpreading and caused by water quality
Deteriorate, alleviate carrying capacity of environment, realize the recycling and water environment protection of water hyacinth.
Description of the drawings
Fig. 1 is influence of the crystal violet initial concentration to water hyacinth base hydro-thermal charcoal Adsorption crystal violet effect.
Fig. 2 is influence of the adsorbent dosage to water hyacinth base hydro-thermal charcoal Adsorption crystal violet effect.
Fig. 3 is the scanning electron microscopic picture of water hyacinth base hydro-thermal charcoal
Specific embodiment
Example one：Water hyacinth is stirred into pureed, reacts 3h at 200 DEG C, being centrifuged after product is taken out makes separation of solid and liquid, then
With clear washed several times with water, solid is taken out into the drying at 105 DEG C and for 24 hours, obtains No. 1 water hyacinth base hydro-thermal carbon adsorbent.
No. 1 water hyacinth base hydro-thermal carbon adsorbent is taken to be added in the Crystal Violet Dye water that initial concentration is 150mg/L, absorption
Agent dosage is respectively 0.8,1.0,1.2,1.4,1.6g/L, i.e., 25ml crystal violet solutions correspond to 0.02 respectively, 0.025,0.03,
0.035th, 0.04g adsorbents, for 24 hours, centrifugation makes separation of solid and liquid for concussion absorption under the conditions of 20 DEG C.Liquid is collected into waste liquid barrel,
It is uniformly processed.
Influence of the adsorbent dosage to crystal violet removal effect is as shown in Figure 1.
Example two：Water hyacinth is stirred into pureed, reacts 5h at 180 DEG C, being centrifuged after product is taken out makes separation of solid and liquid, then
With clear washed several times with water, solid is taken out into the drying at 105 DEG C and for 24 hours, obtains No. 2 water hyacinth base hydro-thermal carbon adsorbents.
Take No. 2 water hyacinth base hydro-thermal carbon adsorbents be added to initial concentration for 100,150,200,250,300,350mg/L
Crystal Violet Dye water in, adsorbent dosage be 1.6g/L, i.e. 25ml crystal violet solutions correspond to 0.04g adsorbents, at 15 DEG C
Under the conditions of concussion absorption for 24 hours, centrifugation make separation of solid and liquid.Liquid is collected into waste liquid barrel, is uniformly processed.
Influence of the crystal violet initial concentration to crystal violet removal effect is as shown in Figure 2.
Example three：Water hyacinth is stirred into pureed, reacts 4h at 200 DEG C, being centrifuged after product is taken out makes separation of solid and liquid, then
With clear washed several times with water, solid is taken out into the drying at 105 DEG C and for 24 hours, obtains No. 3 water hyacinth base hydro-thermal carbon adsorbents.
The scanning electron microscopic picture of the present embodiment water hyacinth base hydro-thermal charcoal is as shown in figure 3, as can be seen from Figure, water hyacinth biomass
The form of charcoal is similar to loose cotton shape flco, and surface is deep mixed, uneven, very coarse, is conducive to adsorbent
Absorption to pollutant.
Claims (3)
1. the method that water hyacinth base hydro-thermal carbon adsorbent removes Crystal Violet Dye in water removal, which is characterized in that include the following steps：
(1) preparation of water hyacinth base hydro-thermal carbon adsorbent：Pureed is made in water hyacinth, is put into reaction kettle, covers reaction kettle cover,
Lead to nitrogen into reaction kettle, make to form oxygen-free environment in autoclave body, reacted kettle reacts 2.5-6 hours at 180-220 DEG C to be generated
Water hyacinth base hydro-thermal charcoal is centrifuged and is washed with water for several times, through drying, grinds, is sized to 350-850 μm to get to water hyacinth base
Hydro-thermal carbon adsorbent；
(2) adsorbent is added in the crystal violet solution of initial concentration 100-400mg/L, shakes and inhale under the conditions of 10-30 DEG C
Attached 20-24h, centrifugation make separation of solid and liquid；Water hyacinth base hydro-thermal carbon adsorbent dosage is 0.8-1.6g/L.
2. according to method of claim 1, which is characterized in that the temperature in step (1) is 180 DEG C, time 3h.
3. according to method of claim 1, which is characterized in that dosage is 1.6g/L in step (2), and adsorption temp is 15 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810013835.9A CN108178228B (en) | 2018-01-08 | 2018-01-08 | Method for removing crystal violet dye in water by water hyacinth-based hydrothermal carbon adsorbent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810013835.9A CN108178228B (en) | 2018-01-08 | 2018-01-08 | Method for removing crystal violet dye in water by water hyacinth-based hydrothermal carbon adsorbent |
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| Publication Number | Publication Date |
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| CN108178228A true CN108178228A (en) | 2018-06-19 |
| CN108178228B CN108178228B (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810013835.9A Active CN108178228B (en) | 2018-01-08 | 2018-01-08 | Method for removing crystal violet dye in water by water hyacinth-based hydrothermal carbon adsorbent |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437501A (en) * | 2018-12-14 | 2019-03-08 | 北京工业大学 | The method that tetracycline in water removal is removed in the activation persulfate degradation of sludge base hydro-thermal charcoal |
| CN111905696A (en) * | 2020-07-20 | 2020-11-10 | 长江大学 | Isatis root hydrothermal carbon oil absorbent and preparation method thereof |
| CN115304050A (en) * | 2022-08-12 | 2022-11-08 | 云南师范大学 | Preparation method of citrus peel biochar and application of citrus peel biochar in wastewater treatment |
Citations (4)
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|---|---|---|---|---|
| CN102631889A (en) * | 2012-05-05 | 2012-08-15 | 常州亚环环保科技有限公司 | Eichhornia crassipes adsorbing material and preparation method thereof |
| CN103936002A (en) * | 2014-04-29 | 2014-07-23 | 华南理工大学 | Preparation method of water hyacinth biochar |
| CN106010605A (en) * | 2016-08-09 | 2016-10-12 | 嘉应学院 | Method for producing water hyacinth biochar and application thereof |
| CN107282006A (en) * | 2017-08-15 | 2017-10-24 | 北京工业大学 | Prepare shaddock scytoblastema hydro-thermal carbon adsorbent and its method for removing water removal Malachite Green dyestuff |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102631889A (en) * | 2012-05-05 | 2012-08-15 | 常州亚环环保科技有限公司 | Eichhornia crassipes adsorbing material and preparation method thereof |
| CN103936002A (en) * | 2014-04-29 | 2014-07-23 | 华南理工大学 | Preparation method of water hyacinth biochar |
| CN106010605A (en) * | 2016-08-09 | 2016-10-12 | 嘉应学院 | Method for producing water hyacinth biochar and application thereof |
| CN107282006A (en) * | 2017-08-15 | 2017-10-24 | 北京工业大学 | Prepare shaddock scytoblastema hydro-thermal carbon adsorbent and its method for removing water removal Malachite Green dyestuff |
Non-Patent Citations (1)
| Title |
|---|
| M. RAJESWARI KULKARNI等: "Removal of Crystal Violet dye from aqueous solution using water hyacinth:Equilibrium, kinetics and thermodynamics study", 《SCIENCEDIRECT》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437501A (en) * | 2018-12-14 | 2019-03-08 | 北京工业大学 | The method that tetracycline in water removal is removed in the activation persulfate degradation of sludge base hydro-thermal charcoal |
| CN111905696A (en) * | 2020-07-20 | 2020-11-10 | 长江大学 | Isatis root hydrothermal carbon oil absorbent and preparation method thereof |
| CN115304050A (en) * | 2022-08-12 | 2022-11-08 | 云南师范大学 | Preparation method of citrus peel biochar and application of citrus peel biochar in wastewater treatment |
| CN115304050B (en) * | 2022-08-12 | 2024-01-23 | 云南师范大学 | Preparation method of citrus peel biochar and application of citrus peel biochar in aspect of wastewater treatment |
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| CN108178228B (en) | 2021-03-09 |
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