CN103523848A - Method for removing sulfonamide antibiotics in water bodies with charcoal prepared from masson pine wood chips and application of charcoal in removing sulfonamide antibiotics in water bodies - Google Patents
Method for removing sulfonamide antibiotics in water bodies with charcoal prepared from masson pine wood chips and application of charcoal in removing sulfonamide antibiotics in water bodies Download PDFInfo
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- CN103523848A CN103523848A CN201310492838.2A CN201310492838A CN103523848A CN 103523848 A CN103523848 A CN 103523848A CN 201310492838 A CN201310492838 A CN 201310492838A CN 103523848 A CN103523848 A CN 103523848A
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Abstract
The invention discloses a method for removing sulfonamide antibiotics in water bodies with charcoal prepared from masson pine wood chips and an application of the charcoal in removing sulfonamide antibiotics in water bodies. The method is characterized by comprising a step of putting charcoal prepared from masson pine wood chips into water bodies containing sulfonamide antibiotics as an adsorbent to adsorb and remove the sulfonamide antibiotics in the water bodies, wherein the adsorption temperature is 20-30 DEG C; the adsorption time is 72-75 hours; the pH value of solution after adsorption equilibrium is 5.8-6.0; the initial concentration of the sulfonamide antibiotics in the water bodies is 2.8-40mg/L; the mass ratio of the charcoal prepared from the masson pine wood chips to the water bodies containing the sulfonamide antibiotics is 1:(2000-4000). Under the condition of room temperature, after adsorption for 3 days, the charcoal prepared from the masson pine wood chips shows high antibiotics adsorption removal rate. Besides, the method has the beneficial effects that the materials are simple to prepare; the method is convenient to operate; the cost is low; the raw materials are accessible; medicine pollution is effectively eliminated; the current technical gaps are filled in.
Description
Technical field
The invention belongs to inorganic materials and synthesize and water technology scope, relate generally to the made wood charcoal adsorption of a kind of Pinus massoniana Lamb wood chip and remove the antibiotic method of sulfamido in water body.
Background technology
Sulfamido microbiotic is a kind of microbiotic of synthetic, is a kind of Broad spectrum antibiotics.Most of Gram-positives and Gram-negative bacteria are had to restraining effect, be widely used in medical treatment, livestock industry.There is the features such as has a broad antifungal spectrum, curative effect are strong, therefore be widely used in preventing and treating various bacterial infective diseases in the mankind, fowl poultry and aquaculture.External many research discoveries, in the natural waters such as surface water, underground water, the antibiotic frequency that detects of sulfamido is higher at present, for example: the pyridine of sulfanilamide (SN) arsenic, Sulfamethoxazole.Because most sulfamido microbiotic can not be absorbed by organism completely, sulfamido microbiotic enters soil, water body environment with parent compound or metabolite form, thus pollution of ecological environment.At present existing a lot of country in sludge sewage, surface water, even detect the sulfamido microbiotic of multiple types, different concns in tap water.Due to sulfamido microbiotic in environment inducible resistance bacterium, affect microorganism in environment, human health is had to potential hazard simultaneously, therefore the processing containing sulfamido antibiotic waste water has become one of study hotspot.
It is a complicated process that the sulfamido microbiotic of sewage work is eliminated, conventional processing sulfamido microbiotic mode comprises ion exchange method, activated sludge process, treatment effect is on the low side, it is reported the activated sludge process that sewage work is the most frequently used, to the antibiotic clearance of sulfamido, between 20%-77%, and may introduce disinfection byproduct (DBP); Chemical oxidization method and membrane filter method even depth treatment technology cost are high, and sulfamido microbiotic can suppress the activity of microorganism, thereby cause treatment effect unstable; Therefore it is very important, developing efficient sulfamido microbiotic removal method.
Absorption method is that a kind of sorbent material that utilizes is removed the method for hazardous and noxious substances in water by adsorption, has that efficiency is high, low power consumption and other advantages, is widely used in waste water treatment process.Wherein sorbent material is often referred to the material of high-specific surface area, large pore volume.As gac, molecular adsorption resin etc.
Charcoal is that a kind of cost is low, less energy-consumption, environmental friendliness, the simple sorbent material of technique.There is the similar gacs such as porous, high-specific surface area, simultaneously according to relevant report, charcoal through acidifying, by hydrogen reducing after, can significantly reduce charcoal surface oxygen functional group content, improve aperture and specific surface area, be especially suitable as sorbing material.Our great many of experiments shows, the synthetic made charcoal of Pinus massoniana Lamb wood chip can effectively be removed the sulfamido microbiotic in water body in this way, Pinus massoniana Lamb wood chip has advantage cheaply cheap and easy to get simultaneously, so this technology has important practical application and promotional value.
Summary of the invention
The charcoal antibiotic application of sulfamido in Adsorption water body that provides a kind of Pinus massoniana Lamb wood chip to make is provided for forest industry processing waste resource reutilization.
Summary of the invention
The object of this invention is to provide charcoal antibiotic application of sulfamido in Adsorption water body that a kind of Pinus massoniana Lamb trees bits are made.
Object of the present invention can be achieved through the following technical solutions:
The made charcoal of a kind of Pinus massoniana Lamb wood chip is removed the antibiotic method of sulfamido in water body, using Pinus massoniana Lamb wood chip charcoal as sorbent material, drop into containing in the antibiotic water body of sulfamido and carry out sulfamido microbiotic in Adsorption water body, wherein adsorption temp is 20～30 ℃, adsorption time is 72-75 hour, and after adsorption equilibrium, the pH of solution is 5.8～6.0; Wherein in water body, the antibiotic starting point concentration of sulfamido is 2.8～40mg/L, and the made charcoal of Pinus massoniana Lamb wood chip is 1: 2000～4000 with the mass ratio containing the antibiotic water body of sulfamido.
The made charcoal of described a kind of Pinus massoniana Lamb wood chip removes that the preparation method of the made charcoal of Pinus massoniana Lamb wood chip in the antibiotic method of sulfamido in water body is wherein a kind of is: 1) Pinus massoniana Lamb wood shavings wood chip dried, cross 40 mesh sieves; 2) carry out priming reaction, described priming reaction carries out in being placed in the tool lid crucible of retort furnace, in priming reaction, first slowly heats up 500 ℃, and temperature rise rate is 5～10 ℃/min, continues reaction 1～3h after being warming up to 500 ℃ again; By acid solution, process afterwards, it is to process with hydrochloric acid and hydrofluoric acid mix acid liquor that described acid solution is processed, and the mass ratio of the two is 1～3: 1; 3) after priming reaction, adopt deionized water wash material to neutral; Being dried at 110～112 ℃ after washing dried; Dry being cooled to after room temperature, is placed in and in mortar, ground 100 mesh sieves; 4) after getting product after 100 mesh sieves and catalyst Pt-C and mixing; The nickel boat that is placed in tube furnace carries out high-temperature activation; First at room temperature first inflated with nitrogen 1h before priming reaction, so that material fills completely in nitrogen protection atmosphere; Then whole process changes logical hydrogen and carries out high-temperature activation to being cooled to room temperature.Activation act temperature is controlled: temperature rise rate is 20～30 ℃/min, is warming up to after 500 ℃, continues atmosphere of hydrogen and keeps 1～3h with activated material; Finally, continue logical hydrogen_cooling to room temperature; Cross 100 mesh sieves, obtain end product charcoal; Product after wherein said mistake 100 mesh sieves is Powdered, and catalyst Pt-C is particulate state, and the mass ratio of the two is (1～2): 1.The logical hydrogen of whole process to the object of room temperature is two: the one, and high-temperature activation carbon material; The 2nd, prevent carbon material oxidation under hot conditions.
Preferably, another prepares the method for Pinus massoniana Lamb wood chip charcoal: the made wood charcoal adsorption of a kind of Pinus massoniana Lamb wood chip is removed the preparation method of the made charcoal of Pinus massoniana Lamb wood chip in the antibiotic method of sulfamido in water body, it is characterized in that Pinus massoniana Lamb wood chip raw material charcoal prepared by following steps:
By Pinus massoniana Lamb wood shavings wood chip collect by drying, pulverizer is ground into after indefinite form particle, 200 mesh sieves sieve sieve after Pinus massoniana Lamb wood chip raw material, particle diameter requires 150-180 order; According to Pinus massoniana Lamb wood chip raw material after described sieving: tackiness agent is 1: the ratio of (20～50) will sieve after Pinus massoniana Lamb wood chip raw material mix with tackiness agent, described tackiness agent is bamboo tar, wood tar oil, coal tar or coal-tar pitch; Magnetic agitation 30min-50min must mix wet feed after the time, described mixing wet feed is transferred to extrusion molding in intermittent type stamping machine, the billot of extruding is cut into the particle of 4-12mm, the particle of above-mentioned 4-12mm is positioned over to coated carbon dust in particle coating machine, after by the transfer of granules after coated, to temperature, be to be dried in the baking oven of 180～200 ℃, time time of drying is 2～3h; After dried product exhibited is transferred in the retort furnace of 580～620 ℃ and carries out carbonization, carbonization time is 2～10h, the temperature rise rate of retort furnace, at 5～20 ℃/min, adopts hydrogen reducing or protection of inert gas carbonization during carbonization, realize activation simultaneously; Cooled carbonized product, after centrifugation, is used washing with alcohol 3-5 time, deionized water wash 3-5 time successively, is cooled to room temperature and obtains the made charcoal of Pinus massoniana Lamb wood chip after being dried.
Preferably, in described method, the product after described mistake 100 mesh sieves is Powdered, and catalyst Pt-C is particulate state, and the mass ratio of the two is 2: 1.
The made charcoal of wood chip is removed the antibiotic method of sulfamido in water body, and Pinus massoniana Lamb trees bits charcoal is dropped into containing in the antibiotic water body of sulfamido and carries out sulfamido microbiotic in Adsorption water body as sorbent material.
Preferably, in described method, after described adsorption equilibrium, the pH of solution is 5.9.
Preferably, in described method, Pinus massoniana Lamb trees bits charcoal is 1: 3000 with the mass ratio containing the antibiotic water body of sulfamido.
Preferably, the made charcoal of a kind of Pinus massoniana Lamb wood chip is removed in water body in the antibiotic method of sulfamido, after the made charcoal of Pinus massoniana Lamb wood chip mixes with CNT (carbon nano-tube), as compound adsorbent, drop into containing in the antibiotic water body of sulfamido and carry out sulfamido microbiotic in Adsorption water body, wherein Pinus massoniana Lamb wood chip charcoal and CNT (carbon nano-tube) blending ratio are (1～2): 1, adsorption temp is 20～30 ℃, adsorption time is 72-74 hour, and after adsorption equilibrium, the pH of solution is 5.8～6.0; Wherein in water body, the antibiotic starting point concentration of sulfanilamide (SN) is 2.8～40mg/L, and the made charcoal of Pinus massoniana Lamb wood chip is 1: 1000～3000 with the mass ratio containing the antibiotic water body of sulfamido; Described CNT (carbon nano-tube) is multiple-wall carbon nanotube, and external diameter scope is 10-30nm.
Beneficial effect
1, the charcoal that Pinus massoniana Lamb wood chip is made has obvious adsorption to sulfamido microbiotic.This may be mainly because charcoal has the structure of similar gac, has higher specific surface area and microvoid structure, thereby removes efficiently the sulfamido microbiotic in water body.
2, this technical scheme superiority is embodied in simultaneously: 1) the recycling approach of forestry waste; 2) impact briquetting preparation; 3) carbon nanometer-biomass carbon matrix material.
3, can artificially effectively control the removal effect of dirty water pollutant, and effectively control the decontamination effect improving of sewage.
4, sorbent material of the present invention, can adsorb a large amount of pollutents, after periodic cleaning, can purify water, and protection of the environment.
5, to utilize the charcoal that Pinus massoniana Lamb wood chip is made be sorbent material in the present invention, can effectively remove the sulfamido microbiotic in water body.In addition, material preparation of the present invention is simple, easy to operate, with low cost.Visible, the present invention, for removing the sulfamido microbiotic of water body, has good economy and environment benefit.
Embodiment
Described catalyst Pt-C is the product of the husky company of commercially available alpha; Described sulfamido antibiosis have the sulfamidos such as sulfalene first oxazole, sulfapyridine, sulphafurazole.
The production method of charcoal material:
Pinus massoniana Lamb wood shavings wood chip is dried, excessively after 40 mesh sieves, carries out priming reaction, described priming reaction carries out in being placed in the tool lid crucible of retort furnace, in priming reaction, first slowly heat up 500 ℃, temperature rise rate is 5～10 ℃/min, after being warming up to 500 ℃, continue again reaction 1～3h, by acid solution, process afterwards, it is to process with hydrochloric acid and hydrofluoric acid mix acid liquor that described acid solution is processed, and the mass ratio of the two is 1～3: 1; 3) after priming reaction, adopt deionized water wash material to neutral; Being dried at 110～112 ℃ after washing dried; Dry being cooled to after room temperature, is placed in and in mortar, ground 100 mesh sieves; 4) after getting product after 100 mesh sieves and catalyst Pt-C (gac contains 1%Pt) and mixing, prior to the lower normal temperature of nitrogen gas protection, keep 1h, after under hydrogen gas protection, be warming up to 500 ℃ and carry out priming reaction, obtain final product charcoal.Product after wherein said mistake 100 mesh sieves is Powdered, and catalyst Pt-C is particulate state, and the mass ratio of the two is 1～2: 1, is preferably 2: 1, and described gas is preferably nitrogen and hydrogen.
The specific surface area of the made charcoal of Pinus massoniana Lamb wood chip and pore volume data are in Table 1
The specific surface area of table 1 Pinus massoniana Lamb charcoal and pore volume data
| ? | Specific surface area (m 2/g) | Micro pore volume (cm 3/g) | Cumulative volume (cm 3/g) |
| Pinus massoniana Lamb charcoal | 434 | 0.18 | 0.25 |
Embodiment 1
The charcoal that the synthetic Pinus massoniana Lamb wood chip of the aforesaid method of take is made is sorbent material, processes the micro-polluted water containing sulfamethoxazole.In being furnished with the vial of teflon gasket (volume is 22mL), carry out adsorption experiment.Wherein, sorbent material and polluted water mass ratio are 1: 3000, and adsorption temp is room temperature, and the antibiotic starting point concentration of sulfamido is 2.8～30mg/L, and adsorption time is 3d, and after absorption, the pH of solution is 5.80 ± 0.02.The clearance of final sulfamethoxazole is 45%～99%.
Embodiment 2
The preparation of sorbent material is with embodiment 1.
The charcoal that the synthetic Pinus massoniana Lamb wood chip of the aforesaid method of take is made is sorbent material, processes the micro-polluted water containing sulfapyridine.In being furnished with the vial of teflon gasket (volume is 22mL), carry out adsorption experiment.Wherein, sorbent material and polluted water mass ratio are 1: 3000, and adsorption temp is room temperature, and the starting point concentration of sulfapyridine is 3.6～40mg/L, and adsorption time is 3d, and after absorption, the pH of solution is 5.80 ± 0.02.The clearance of final sulfapyridine is 40%～99%.Visible, Pinus massoniana Lamb wood shavings wood chip charcoal have good removal effect to the sulfamido antibiosis in water.
The following list 2 of specific experiment result:
Table 2 result summary sheet
| Pollutent (mg/L) | Before processing | After processing | Clearance % |
| Sulfamethoxazole | 2.8～30 | 0.01～16 | 45～99 |
| Sulfapyridine | 3.6～40 | 0.01～24 | 40～99 |
The made charcoal of a kind of Pinus massoniana Lamb wood chip is removed the antibiotic method of sulfamido in water body, using Pinus massoniana Lamb wood chip charcoal as sorbent material, drop into containing in the antibiotic water body of sulfamido and carry out sulfamido microbiotic in Adsorption water body, wherein adsorption temp is 20～30 ℃, adsorption time is 72-75 hour, and after adsorption equilibrium, the pH of solution is 5.8～6.0; Wherein in water body, the antibiotic starting point concentration of sulfamido is 2.8～40mg/L, and the made charcoal of Pinus massoniana Lamb wood chip is 1: 2000～4000 with the mass ratio containing the antibiotic water body of sulfamido.
The made charcoal of described a kind of Pinus massoniana Lamb wood chip removes that the preparation method of the made charcoal of Pinus massoniana Lamb wood chip in the antibiotic method of sulfamido in water body is wherein a kind of is: 1) Pinus massoniana Lamb wood shavings wood chip dried, cross 40 mesh sieves; 2) carry out priming reaction, described priming reaction carries out in being placed in the tool lid crucible of retort furnace, in priming reaction, first slowly heats up 500 ℃, and temperature rise rate is 5～10 ℃/min, continues reaction 1～3h after being warming up to 500 ℃ again; By acid solution, process afterwards, it is to process with hydrochloric acid and hydrofluoric acid mix acid liquor that described acid solution is processed, and the mass ratio of the two is 1～3: 1; 3) after priming reaction, adopt deionized water wash material to neutral; Being dried at 110～112 ℃ after washing dried; Dry being cooled to after room temperature, is placed in and in mortar, ground 100 mesh sieves; 4) after getting product after 100 mesh sieves and catalyst Pt-C and mixing; The nickel boat that is placed in tube furnace carries out high-temperature activation; First at room temperature first inflated with nitrogen 1h before priming reaction, so that material fills completely in nitrogen protection atmosphere; Then whole process changes logical hydrogen and carries out high-temperature activation to being cooled to room temperature.Activation act temperature is controlled: temperature rise rate is 20～30 ℃/min, is warming up to after 500 ℃, continues atmosphere of hydrogen and keeps 1～3h with activated material; Finally, continue logical hydrogen_cooling to room temperature; Cross 100 mesh sieves, obtain end product charcoal; Product after wherein said mistake 100 mesh sieves is Powdered, and catalyst Pt-C is particulate state, and the mass ratio of the two is (1～2): 1.The logical hydrogen of whole process to the object of room temperature is two: the one, and high-temperature activation carbon material; The 2nd, prevent carbon material oxidation under hot conditions.
Preferably, another prepares the method for Pinus massoniana Lamb wood chip charcoal: the made wood charcoal adsorption of a kind of Pinus massoniana Lamb wood chip is removed the preparation method of the made charcoal of Pinus massoniana Lamb wood chip in the antibiotic method of sulfamido in water body, it is characterized in that Pinus massoniana Lamb wood chip raw material charcoal prepared by following steps:
By Pinus massoniana Lamb wood shavings wood chip collect by drying, pulverizer is ground into after indefinite form particle, 200 mesh sieves sieve sieve after Pinus massoniana Lamb wood chip raw material, particle diameter requires 150-180 order; According to Pinus massoniana Lamb wood chip raw material after described sieving: tackiness agent is 1: the ratio of (20～50) will sieve after Pinus massoniana Lamb wood chip raw material mix with tackiness agent, described tackiness agent is bamboo tar, wood tar oil, coal tar or coal-tar pitch; Magnetic agitation 30min-50min must mix wet feed after the time, described mixing wet feed is transferred to extrusion molding in intermittent type stamping machine, the billot of extruding is cut into the particle of 4-12mm, the particle of above-mentioned 4-12mm is positioned over to coated carbon dust in particle coating machine, after by the transfer of granules after coated, to temperature, be to be dried in the baking oven of 180～200 ℃, time time of drying is 2～3h; After dried product exhibited is transferred in the retort furnace of 580～620 ℃ and carries out carbonization, carbonization time is 2～10h, the temperature rise rate of retort furnace, at 5～20 ℃/min, adopts hydrogen reducing or protection of inert gas carbonization during carbonization, realize activation simultaneously; Cooled carbonized product, after centrifugation, is used washing with alcohol 3-5 time, deionized water wash 3-5 time successively, is cooled to room temperature and obtains the made charcoal of Pinus massoniana Lamb wood chip after being dried.
Preferably, in described method, the product after described mistake 100 mesh sieves is Powdered, and catalyst Pt-C is particulate state, and the mass ratio of the two is 2: 1.
The made charcoal of wood chip is removed the antibiotic method of sulfamido in water body, and Pinus massoniana Lamb trees bits charcoal is dropped into containing in the antibiotic water body of sulfamido and carries out sulfamido microbiotic in Adsorption water body as sorbent material.
Preferably, in described method, after described adsorption equilibrium, the pH of solution is 5.9.
Preferably, in described method, Pinus massoniana Lamb trees bits charcoal is 1: 3000 with the mass ratio containing the antibiotic water body of sulfamido.
Preferably, the made charcoal of a kind of Pinus massoniana Lamb wood chip is removed in water body in the antibiotic method of sulfamido, after the made charcoal of Pinus massoniana Lamb wood chip mixes with CNT (carbon nano-tube), as compound adsorbent, drop into containing in the antibiotic water body of sulfamido and carry out sulfamido microbiotic in Adsorption water body, wherein Pinus massoniana Lamb wood chip charcoal and CNT (carbon nano-tube) blending ratio are (1～2): 1, adsorption temp is 20～30 ℃, adsorption time is 72-74 hour, and after adsorption equilibrium, the pH of solution is 5.8～6.0; Wherein in water body, the antibiotic starting point concentration of sulfanilamide (SN) is 2.8～40mg/L, and the made charcoal of Pinus massoniana Lamb wood chip is 1: 1000～3000 with the mass ratio containing the antibiotic water body of sulfamido; Described CNT (carbon nano-tube) is multiple-wall carbon nanotube, and external diameter scope is 10-30nm.
Enumerate the parameter result of end points and numerical value mid point, those skilled in the art can choose concrete data according to actual needs in interval.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. the made charcoal of Pinus massoniana Lamb wood chip is removed the antibiotic method of sulfamido in water body, it is characterized in that: using Pinus massoniana Lamb wood chip charcoal as sorbent material, drop into containing in the antibiotic water body of sulfamido and carry out sulfamido microbiotic in Adsorption water body, wherein adsorption temp is 20～30 ℃, adsorption time is 72-75 hour, and after adsorption equilibrium, the pH of solution is 5.8～6.0; Wherein in water body, the antibiotic starting point concentration of sulfamido is 2.8～40mg/L, and the made charcoal of Pinus massoniana Lamb wood chip is 1: 2000～4000 with the mass ratio containing the antibiotic water body of sulfamido.
2. in the made charcoal removal of a kind of Pinus massoniana Lamb wood chip as claimed in claim 1 water body, the preparation method of the made charcoal of Pinus massoniana Lamb wood chip in the antibiotic method of sulfamido is wherein a kind of is: 1) Pinus massoniana Lamb wood shavings wood chip dried, cross 40 mesh sieves; 2) carry out priming reaction, described priming reaction carries out in being placed in the tool lid crucible of retort furnace, in priming reaction, first slowly heats up 500 ℃, and temperature rise rate is 5～10 ℃/min, continues reaction 1～3h after being warming up to 500 ℃ again; By acid solution, process afterwards, it is to process with hydrochloric acid and hydrofluoric acid mix acid liquor that described acid solution is processed, and the mass ratio of the two is 1～3: 1; 3) after priming reaction, adopt deionized water wash material to neutral; Being dried at 110～112 ℃ after washing dried; Dry being cooled to after room temperature, is placed in and in mortar, ground 100 mesh sieves; 4) after getting product after 100 mesh sieves and catalyst Pt-C and mixing; The nickel boat that is placed in tube furnace carries out high-temperature activation; First at room temperature first inflated with nitrogen 1h before priming reaction, so that material fills completely in nitrogen protection atmosphere; Then whole process changes logical hydrogen and carries out high-temperature activation to being cooled to room temperature.Activation act temperature is controlled: temperature rise rate is 20～30 ℃/min, is warming up to after 500 ℃, continues atmosphere of hydrogen and keeps 1～3h with activated material; Finally, continue logical hydrogen_cooling to room temperature; Cross 100 mesh sieves, obtain end product charcoal; Product after wherein said mistake 100 mesh sieves is Powdered, and catalyst Pt-C is particulate state, and the mass ratio of the two is (1～2): 1.
3. in method as claimed in claim 2, it is characterized in that: the product after described mistake 100 mesh sieves is Powdered, and catalyst Pt-C is particulate state, and the mass ratio of the two is 2: 1.
4. the made charcoal of Pinus massoniana Lamb wood chip is removed the antibiotic method of sulfamido in water body, and Pinus massoniana Lamb trees bits charcoal is dropped into containing in the antibiotic water body of sulfamido and carries out sulfamido microbiotic in Adsorption water body as sorbent material.
5. in the method for claim 1, it is characterized in that: after described adsorption equilibrium, the pH of solution is 5.9.
6. in the method for claim 1, it is characterized in that: Pinus massoniana Lamb trees bits charcoal is 1: 3000 with the mass ratio containing the antibiotic water body of sulfamido.
7. the made charcoal of a Pinus massoniana Lamb wood chip is removed in water body in the antibiotic method of sulfamido, it is characterized in that, after the made charcoal of Pinus massoniana Lamb wood chip mixes with CNT (carbon nano-tube), as compound adsorbent, drop into containing in the antibiotic water body of sulfamido and carry out sulfamido microbiotic in Adsorption water body, wherein Pinus massoniana Lamb wood chip charcoal and CNT (carbon nano-tube) blending ratio are (1～2): 1, adsorption temp is 20～30 ℃, adsorption time is 72-74 hour, and after adsorption equilibrium, the pH of solution is 5.8～6.0; Wherein in water body, the antibiotic starting point concentration of sulfanilamide (SN) is 2.8～40mg/L, and the made charcoal of Pinus massoniana Lamb wood chip is 1: 1000～3000 with the mass ratio containing the antibiotic water body of sulfamido; Described CNT (carbon nano-tube) is multiple-wall carbon nanotube, and external diameter scope is 10-30nm.
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| CN105883962A (en) * | 2016-04-13 | 2016-08-24 | 上海大学 | Method for removing antibiotic-sulfadiazine in water body by expandable graphite adsorbent |
| CN105948158A (en) * | 2016-06-03 | 2016-09-21 | 上海大学 | Method for removing antibiotic-sulfadiazine in water through activated carbon fiber adsorbent |
| CN110898801A (en) * | 2019-07-29 | 2020-03-24 | 武汉理工大学 | Preparation of carbon nano tube and sludge biochar composite material and application of composite material in removing low-concentration sulfamethoxazole in water |
| CN111514853A (en) * | 2020-04-30 | 2020-08-11 | 合肥学院 | Preparation method of calcium carbonate-waste coal-based activated carbon composite adsorbent |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103933937A (en) * | 2014-04-11 | 2014-07-23 | 华南理工大学 | Preparation methods and applications of graphene oxide composite and nickel oxide supported graphene composite |
| CN103933937B (en) * | 2014-04-11 | 2015-10-28 | 华南理工大学 | The preparation method of graphene oxide compound and nickel oxide loaded graphene complex and application |
| CN105883962A (en) * | 2016-04-13 | 2016-08-24 | 上海大学 | Method for removing antibiotic-sulfadiazine in water body by expandable graphite adsorbent |
| CN105948158A (en) * | 2016-06-03 | 2016-09-21 | 上海大学 | Method for removing antibiotic-sulfadiazine in water through activated carbon fiber adsorbent |
| CN110898801A (en) * | 2019-07-29 | 2020-03-24 | 武汉理工大学 | Preparation of carbon nano tube and sludge biochar composite material and application of composite material in removing low-concentration sulfamethoxazole in water |
| CN111514853A (en) * | 2020-04-30 | 2020-08-11 | 合肥学院 | Preparation method of calcium carbonate-waste coal-based activated carbon composite adsorbent |
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