CN103523848B - The made charcoal of Pinus massoniana Lamb wood chip removes method and the application of sulfa antibiotics in water body - Google Patents
The made charcoal of Pinus massoniana Lamb wood chip removes method and the application of sulfa antibiotics in water body Download PDFInfo
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Abstract
The invention discloses method and the application that sulfa antibiotics in water body removed by the made charcoal of a kind of Pinus massoniana Lamb wood chip, made for Pinus massoniana Lamb wood chip charcoal is dropped in the water body containing sulfa antibiotics as sorbent material and carries out sulfa antibiotics in Adsorption water body, wherein adsorption temp is 20 ~ 30 DEG C, adsorption time is 72-75 hour, and after adsorption equilibrium, the pH of solution is 5.8 ~ 6.0; Wherein in water body, the starting point concentration of sulfa antibiotics is 2.8 ~ 40mg/L, and the made charcoal of Pinus massoniana Lamb wood chip is 1: 2000 ~ 4000 with the mass ratio of the water body containing sulfa antibiotics.At ambient temperature, after absorption 3d, the made charcoal of Pinus massoniana Lamb wood chip has showed very high microbiotic eliminating rate of absorption.In addition, material preparation of the present invention is simple, easy to operate, with low cost.The method is with low cost, and raw material is easy to get, and effectively removes medicine and pollutes, filled up current technological gap.
Description
Technical field
The invention belongs to inorganic materials synthesis and water technology scope, relate generally to the method that the made wood charcoal adsorption of a kind of Pinus massoniana Lamb wood chip removes sulfa antibiotics in water body.
Background technology
Sulfa antibiotics is a kind of microbiotic of synthetic, is a kind of Broad spectrum antibiotics.There is restraining effect to most of Gram-positive and Gram-negative bacteria, 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 various bacterial infective diseases in the control mankind, poultry and aquaculture.External many research finds, at present in the natural water such as surface water, underground water sulfa antibiotics to detect frequency higher, such as: the pyridine of sulfanilamide (SN) arsenic, Sulfamethoxazole.Because most sulfa antibiotics can not be absorbed by organism completely, sulfa antibiotics enters soil, water body environment with parent compound or metabolite form, thus pollution of ecological environment.Existing a lot of country detects the sulfa antibiotics of multiple types, different concns in sludge sewage, surface water, even tap water at present.Due to sulfa antibiotics in the environment in-ductive drug-tolerance bacterium, affect microorganism in environment, to human health, there is potential hazard simultaneously, therefore become one of study hotspot containing the process of sulfa antibiotics waste water.
It is a complicated process that the sulfa antibiotics of sewage work is eliminated, conventional processing sulfa antibiotics 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 clearance of sulfa antibiotics between 20%-77%, and disinfection byproduct (DBP) may be introduced; Chemical oxidization method and membrane filter method even depth treatment technology cost high, and sulfa antibiotics can suppress the activity of microorganism, thus causes treatment effect unstable; Therefore, it is very important for developing efficient sulfa antibiotics minimizing technology.
Absorption method is that a kind of sorbent material that utilizes removes 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, the simple sorbent material of environmental friendliness, technique.Have the advantage of the similar gac such as porous, high-specific surface area, simultaneously according to relevant report, charcoal, through acidifying, by after hydrogen reducing, significantly can reduce charcoal surface oxygen functional group content, improves aperture and specific surface area, is especially suitable as sorbing material.Our great many of experiments shows, the made charcoal of Pinus massoniana Lamb wood chip synthesized in this way effectively can remove the sulfa antibiotics in water body, Pinus massoniana Lamb wood chip has the advantage of low cost cheap and easy to get simultaneously, and therefore this technology has important practical application and promotional value.
Summary of the invention
The object of the invention is for forest industry processing waste resource reutilization, the application of the charcoal sulfa antibiotics in Adsorption water body providing a kind of Pinus massoniana Lamb wood chip to make.
Summary of the invention
The object of this invention is to provide the application that a kind of Pinus massoniana Lamb trees consider the charcoal sulfa antibiotics in Adsorption water body made to be worth doing.
Object of the present invention can be achieved through the following technical solutions:
The method of sulfa antibiotics in water body removed by the made charcoal of a kind of Pinus massoniana Lamb wood chip, Pinus massoniana Lamb wood chip charcoal is dropped in the water body containing sulfa antibiotics as sorbent material and carries out sulfa antibiotics in Adsorption water body, wherein adsorption temp is 20 ~ 30 DEG C, adsorption time is 72-75 hour, and after adsorption equilibrium, the pH of solution is 5.8 ~ 6.0; Wherein in water body, the starting point concentration of sulfa antibiotics is 2.8 ~ 40mg/L, and the made charcoal of Pinus massoniana Lamb wood chip is 1: 2000 ~ 4000 with the mass ratio of the water body containing sulfa antibiotics.
The described made charcoal of a kind of Pinus massoniana Lamb wood chip remove the made charcoal of Pinus massoniana Lamb wood chip in the method for sulfa antibiotics in water body preparation method wherein one be: 1) Pinus massoniana Lamb wood shavings wood chip dried, cross 40 mesh sieves; 2) carry out priming reaction, described priming reaction carries out in the tool lid crucible being placed in retort furnace, and first slowly heat up 500 DEG C in priming reaction, temperature rise rate is 5 ~ 10 DEG C/min, continues reaction 1 ~ 3h again after being warming up to 500 DEG C; Use acid solution process afterwards, described acid solution process is that the mass ratio of the two is 1 ~ 3: 1 with hydrochloric acid and the process of hydrofluoric acid mix acid liquor; 3) adopt deionized water wash material to neutral after priming reaction; Drying after washing is dried at 110 ~ 112 DEG C; After drying is cooled to room temperature, be placed in ground 100 mesh sieves in mortar; 4) after getting the product after 100 mesh sieves and catalyst Pt-C mixing; The nickel boat being placed in tube furnace carries out high-temperature activation; Before priming reaction, first at room temperature first inflated with nitrogen 1h, fills in nitrogen protection atmosphere to make material completely; Then whole process changes logical hydrogen and carries out high-temperature activation to being cooled to room temperature.Activation act temperature controls: temperature rise rate is 20 ~ 30 DEG C/min, after being warming up to 500 DEG C, continuing atmosphere of hydrogen and keeps 1 ~ 3h with activated material; Finally, logical hydrogen_cooling is continued to room temperature; Cross 100 mesh sieves, obtain end product charcoal; Product after wherein said mistake 100 mesh sieve is Powdered, and catalyst Pt-C is particulate state, and the mass ratio of the two is (1 ~ 2): 1.It is two: one is high-temperature activation carbon material that whole process leads to hydrogen to the object of room temperature; Two is that under preventing hot conditions, carbon material is oxidized.
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 removes the preparation method of the made charcoal of Pinus massoniana Lamb wood chip in the method for sulfa antibiotics in water body, it is characterized in that Pinus massoniana Lamb wood raw material charcoal is prepared by following steps:
After Pinus massoniana Lamb wood shavings wood chip is collected through drying, after pulverizer is ground into indefinite form particle, Pinus massoniana Lamb wood raw material after 200 mesh sieve must sieve, Particle size requirements 150-180 order; According to Pinus massoniana Lamb wood raw material after described sieving: tackiness agent is 1: the ratio of (20 ~ 50) will sieve after Pinus massoniana Lamb wood raw material mix with tackiness agent, described tackiness agent is bamboo tar, wood tar oil, coal tar or coal-tar pitch; Wet feed must be mixed after the magnetic agitation 30min-50min time, described mixing wet feed is transferred to extrusion molding in intermittent type stamping machine, the billot extruded is cut into the particle of 4-12mm, the particle of above-mentioned 4-12mm is positioned over coated carbon dust in particles coat machine, after be carry out drying in the baking oven of 180 ~ 200 DEG C to temperature by the transfer of granules after coated, time time of drying is 2 ~ 3h; After dried product exhibited is transferred in the retort furnace of 580 ~ 620 DEG C and carries out carbonization, carbonization time is 2 ~ 10h, and the temperature rise rate of retort furnace, at 5 ~ 20 DEG C/min, adopts hydrogen reducing or protection of inert gas carbonization during carbonization, realizes activation simultaneously; Cooled carbonized product, after centrifugation, uses 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 drying.
Preferably, in described method, the product after described mistake 100 mesh sieve is Powdered, and catalyst Pt-C is particulate state, and the mass ratio of the two is 2: 1.
A method for sulfa antibiotics in water body removed by the made charcoal of Pinus massoniana Lamb wood chip, dropped in the water body containing sulfa antibiotics by Pinus massoniana Lamb trees bits charcoal carry out sulfa antibiotics 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 of the water body containing sulfa antibiotics.
Preferably, the made charcoal of a kind of Pinus massoniana Lamb wood chip is removed in the method for sulfa antibiotics in water body, drop into as compound adsorbent in the water body containing sulfa antibiotics after the made charcoal of Pinus massoniana Lamb wood chip mixes with CNT (carbon nano-tube) and carry out sulfa antibiotics 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 DEG C, 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 of the water body containing sulfa antibiotics; Described CNT (carbon nano-tube) is multiple-wall carbon nanotube, and external diametrical extent is 10-30nm.
Beneficial effect
1, the charcoal that Pinus massoniana Lamb wood chip is made has obvious adsorption to sulfa antibiotics.This mainly because charcoal has the structure of similar gac, may have higher specific surface area and microvoid structure, thus removes the sulfa antibiotics in water body efficiently.
2, this technical scheme advantageous exists simultaneously: 1) the recycling approach of forestry waste; 2) impact briquetting preparation; 3) carbon nanometer-biomass carbon matrix material.
3, artificially effectively can 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, protection of the environment.
5, the charcoal that the present invention utilizes Pinus massoniana Lamb wood chip to make is sorbent material, effectively can remove the sulfa antibiotics in water body.In addition, material preparation of the present invention is simple, easy to operate, with low cost.Visible, the present invention, at the sulfa antibiotics for removing in water body, has good economy and environment benefit.
Embodiment
Described catalyst Pt-C is the product of the commercially available husky company of alpha; Described sulfa antibiotics has the sulfamidos such as sulfalene first oxazole, sulfapyridine, sulphafurazole.
The production method of charcoal material:
Pinus massoniana Lamb wood shavings wood chip is dried, crosses after 40 mesh sieves and carry out priming reaction, described priming reaction carries out in the tool lid crucible being placed in retort furnace, first slowly heat up 500 DEG C in priming reaction, temperature rise rate is 5 ~ 10 DEG C/min, reaction 1 ~ 3h is continued again after being warming up to 500 DEG C, use acid solution process afterwards, described acid solution process is that the mass ratio of the two is 1 ~ 3: 1 with hydrochloric acid and the process of hydrofluoric acid mix acid liquor; 3) adopt deionized water wash material to neutral after priming reaction; Drying after washing is dried at 110 ~ 112 DEG C; After drying is cooled to room temperature, be placed in ground 100 mesh sieves in mortar; 4), after getting the product after 100 mesh sieves and catalyst Pt-C (gac contains 1%Pt) mixing, keep 1h prior to the lower normal temperature of nitrogen gas protection, after under hydrogen gas protection, be warming up to 500 DEG C carry out priming reaction, obtain final product charcoal.Product after wherein said mistake 100 mesh sieve is Powdered, and catalyst Pt-C is particulate state, and the mass ratio of the two is 1 ~ 2: 1, and be preferably 2: 1, 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 made with the Pinus massoniana Lamb wood chip of aforesaid method synthesis is for sorbent material, and process is containing the micro-polluted water of sulfamethoxazole.Adsorption experiment is carried out in the vial (volume is 22mL) being furnished with teflon gasket.Wherein, sorbent material and polluted water mass ratio are 1: 3000, and adsorption temp is room temperature, and the starting point concentration of sulfa antibiotics 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 made with the Pinus massoniana Lamb wood chip of aforesaid method synthesis is for sorbent material, and process is containing the micro-polluted water of sulfapyridine.Adsorption experiment is carried out in the vial (volume is 22mL) being furnished with teflon gasket.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 has good removal effect to the sulfa antibiotics in water.
The following list 2 of specific experiment result:
Table 2 result summary sheet
| Pollutent (mg/L) | Before process | After process | Clearance % |
| Sulfamethoxazole | 2.8～30 | 0.01～16 | 45～99 |
| Sulfapyridine | 3.6～40 | 0.01～24 | 40～99 |
The method of sulfa antibiotics in water body removed by the made charcoal of a kind of Pinus massoniana Lamb wood chip, Pinus massoniana Lamb wood chip charcoal is dropped in the water body containing sulfa antibiotics as sorbent material and carries out sulfa antibiotics in Adsorption water body, wherein adsorption temp is 20 ~ 30 DEG C, adsorption time is 72-75 hour, and after adsorption equilibrium, the pH of solution is 5.8 ~ 6.0; Wherein in water body, the starting point concentration of sulfa antibiotics is 2.8 ~ 40mg/L, and the made charcoal of Pinus massoniana Lamb wood chip is 1: 2000 ~ 4000 with the mass ratio of the water body containing sulfa antibiotics.
The described made charcoal of a kind of Pinus massoniana Lamb wood chip remove the made charcoal of Pinus massoniana Lamb wood chip in the method for sulfa antibiotics in water body preparation method wherein one be: 1) Pinus massoniana Lamb wood shavings wood chip dried, cross 40 mesh sieves; 2) carry out priming reaction, described priming reaction carries out in the tool lid crucible being placed in retort furnace, and first slowly heat up 500 DEG C in priming reaction, temperature rise rate is 5 ~ 10 DEG C/min, continues reaction 1 ~ 3h again after being warming up to 500 DEG C; Use acid solution process afterwards, described acid solution process is that the mass ratio of the two is 1 ~ 3: 1 with hydrochloric acid and the process of hydrofluoric acid mix acid liquor; 3) adopt deionized water wash material to neutral after priming reaction; Drying after washing is dried at 110 ~ 112 DEG C; After drying is cooled to room temperature, be placed in ground 100 mesh sieves in mortar; 4) after getting the product after 100 mesh sieves and catalyst Pt-C mixing; The nickel boat being placed in tube furnace carries out high-temperature activation; Before priming reaction, first at room temperature first inflated with nitrogen 1h, fills in nitrogen protection atmosphere to make material completely; Then whole process changes logical hydrogen and carries out high-temperature activation to being cooled to room temperature.Activation act temperature controls: temperature rise rate is 20 ~ 30 DEG C/min, after being warming up to 500 DEG C, continuing atmosphere of hydrogen and keeps 1 ~ 3h with activated material; Finally, logical hydrogen_cooling is continued to room temperature; Cross 100 mesh sieves, obtain end product charcoal; Product after wherein said mistake 100 mesh sieve is Powdered, and catalyst Pt-C is particulate state, and the mass ratio of the two is (1 ~ 2): 1.It is two: one is high-temperature activation carbon material that whole process leads to hydrogen to the object of room temperature; Two is that under preventing hot conditions, carbon material is oxidized.
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 removes the preparation method of the made charcoal of Pinus massoniana Lamb wood chip in the method for sulfa antibiotics in water body, it is characterized in that Pinus massoniana Lamb wood raw material charcoal is prepared by following steps:
After Pinus massoniana Lamb wood shavings wood chip is collected through drying, after pulverizer is ground into indefinite form particle, Pinus massoniana Lamb wood raw material after 200 mesh sieve must sieve, Particle size requirements 150-180 order; According to Pinus massoniana Lamb wood raw material after described sieving: tackiness agent is 1: the ratio of (20 ~ 50) will sieve after Pinus massoniana Lamb wood raw material mix with tackiness agent, described tackiness agent is bamboo tar, wood tar oil, coal tar or coal-tar pitch; Wet feed must be mixed after the magnetic agitation 30min-50min time, described mixing wet feed is transferred to extrusion molding in intermittent type stamping machine, the billot extruded is cut into the particle of 4-12mm, the particle of above-mentioned 4-12mm is positioned over coated carbon dust in particles coat machine, after be carry out drying in the baking oven of 180 ~ 200 DEG C to temperature by the transfer of granules after coated, time time of drying is 2 ~ 3h; After dried product exhibited is transferred in the retort furnace of 580 ~ 620 DEG C and carries out carbonization, carbonization time is 2 ~ 10h, and the temperature rise rate of retort furnace, at 5 ~ 20 DEG C/min, adopts hydrogen reducing or protection of inert gas carbonization during carbonization, realizes activation simultaneously; Cooled carbonized product, after centrifugation, uses 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 drying.
Preferably, in described method, the product after described mistake 100 mesh sieve is Powdered, and catalyst Pt-C is particulate state, and the mass ratio of the two is 2: 1.
A method for sulfa antibiotics in water body removed by the made charcoal of Pinus massoniana Lamb wood chip, dropped in the water body containing sulfa antibiotics by Pinus massoniana Lamb trees bits charcoal carry out sulfa antibiotics 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 of the water body containing sulfa antibiotics.
Preferably, the made charcoal of a kind of Pinus massoniana Lamb wood chip is removed in the method for sulfa antibiotics in water body, drop into as compound adsorbent in the water body containing sulfa antibiotics after the made charcoal of Pinus massoniana Lamb wood chip mixes with CNT (carbon nano-tube) and carry out sulfa antibiotics 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 DEG C, 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 of the water body containing sulfa antibiotics; Described CNT (carbon nano-tube) is multiple-wall carbon nanotube, and external diametrical extent is 10-30nm.
Enumerate the parametric results of end points and numerical value mid point, those skilled in the art can choose concrete data according to actual needs in interval.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments 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 (1)
1. the method for sulfa antibiotics in water body removed by the made charcoal of a Pinus massoniana Lamb wood chip, it is characterized in that: made for Pinus massoniana Lamb wood chip charcoal is dropped in the water body containing sulfa antibiotics as sorbent material and carries out sulfa antibiotics in Adsorption water body, wherein adsorption temp is 20 ~ 30 DEG C, adsorption time is 72-75 hour, and after adsorption equilibrium, the pH of solution is 5.8 ~ 6.0; Wherein in water body, the starting point concentration of sulfa antibiotics is 2.8 ~ 40mg/L, and the made charcoal of Pinus massoniana Lamb wood chip is 1: 2000 ~ 4000 with the mass ratio of the water body containing sulfa antibiotics;
The preparation method of the described made charcoal of Pinus massoniana Lamb wood chip is: 1) dried by Pinus massoniana Lamb wood shavings wood chip, cross 40 mesh sieves; 2) carry out priming reaction, described priming reaction carries out in the tool lid crucible being placed in retort furnace, and first slowly heat up 500 DEG C in priming reaction, temperature rise rate is 5 ~ 10 DEG C/min, continues reaction 1 ~ 3h again after being warming up to 500 DEG C; Use acid solution process afterwards, described acid solution process is that the mass ratio of the two is 1 ~ 3: 1 with hydrochloric acid and the process of hydrofluoric acid mix acid liquor; 3) adopt deionized water wash material to neutral after priming reaction; Drying after washing is dried at 110 ~ 112 DEG C; After drying is cooled to room temperature, be placed in ground 100 mesh sieves in mortar; 4) after getting the product after 100 mesh sieves and catalyst Pt-C mixing; The nickel boat being placed in tube furnace carries out high-temperature activation; Before priming reaction, first at room temperature first inflated with nitrogen 1h, fills in nitrogen protection atmosphere to make material completely; Then whole process changes logical hydrogen and carries out high-temperature activation to being cooled to room temperature; Activation act temperature controls: temperature rise rate is 20 ~ 30 DEG C/min, after being warming up to 500 DEG C, continuing atmosphere of hydrogen and keeps 1 ~ 3h with activated material; Finally, logical hydrogen_cooling is continued to room temperature; Cross 100 mesh sieves, obtain end product charcoal;
Product after described mistake 100 mesh sieve is Powdered, and catalyst Pt-C is particulate state, and the mass ratio of the two is 2: 1.
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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 |
| CN111514853B (en) * | 2020-04-30 | 2022-08-26 | 合肥学院 | Preparation method of calcium carbonate-waste coal-based activated carbon composite adsorbent |
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| CN102161897A (en) * | 2011-03-20 | 2011-08-24 | 卞奎友 | Method for preparing charcoal activated carbon flammable gas biological oil by utilizing crop straws |
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| CN102161897A (en) * | 2011-03-20 | 2011-08-24 | 卞奎友 | Method for preparing charcoal activated carbon flammable gas biological oil by utilizing crop straws |
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| Title |
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| Simultaneous removal of cadmium and sulfamethoxazole from aqueous solution by rice straw biochar;Xuan HAN et al;《Journal of Zhejiang University-SCIENCE B (Biomedicine & Biotechnology)》;20130731;第14卷(第7期);第640-649页 * |
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