CN103521182A - Preparation method of pomelo peel activated carbon - Google Patents
Preparation method of pomelo peel activated carbon Download PDFInfo
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- CN103521182A CN103521182A CN201310475326.5A CN201310475326A CN103521182A CN 103521182 A CN103521182 A CN 103521182A CN 201310475326 A CN201310475326 A CN 201310475326A CN 103521182 A CN103521182 A CN 103521182A
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- pomelo peel
- activated carbon
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- peel activated
- mass fraction
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Abstract
The invention aims to provide a preparation method of a wastewater treatment material, and discloses a preparation method of pomelo peel activated carbon. The preparation method comprises the following steps: cleaning pomelo peel, drying at 85DEG C for 12h, crushing and sieving with a 0.595mml screen, according to the mass ratio of 3:1, adding a ZnCl2 solution with the mass fraction of 20%, stirring evenly, soaking at the room temperature for 12h, putting in a muffle furnace for constant temperature carbonization and activation; then using dilute hydrochloric acid with the mass fraction of 10% for acid washing, then rinsing with distilled water to neutral, drying at 85DEG C for 12h, cooling and crushing, and then sieving with a 0.25mm screen to obtain the pomelo peel activated carbon. The pomelo peel activated carbon prepared by the preparation method is analyzed by use of a Freundlich isothermal adsorption model to draw a conclusion that 1 /n is less than 1, and the conclusion indicates that the ammonia adsorption of the pomelo peel activated carbon is effective, and the pomelo peel activated carbon can be used as an adsorbent for ammonia nitrogen.
Description
Technical field
The present invention aims to provide a kind of preparation method of processing material of waste water.
Background technology
Ammonia nitrogen is mainly derived from the industrial wastewater of the industry discharges such as chemical fertilizer, meat packing, process hides, and city domestic sewage and farmland irrigating drainage.Ammonia nitrogen is a kind of eutrophy salt pollutant, can cause algal bloom after entering water body, causes body eutrophication.Ammonia nitrogenous wastewater treatment technology comprises the biological treatments such as traditional biological denitrogenation, synchronous nitration and denitrification: the physicochemical treatment methods such as ion-exchange, air stripping method, absorption and electrodialysis.Wherein, charcoal absorption is one of widely used technology.Take agricultural wastes in recent years as raw material. prepare novel absorbent charcoal and for the control of pollutant, become the frontier of adsorption technology research.
Shaddock is the common a kind of fruit in south China area. shaddock ped has spongelike structure.
Summary of the invention
The present invention aims to provide a kind of preparation method of the shaddock ped active carbon for the treatment of ammonia nitrogen waste water.
The preparation method of shaddock ped active carbon of the present invention, comprises the following steps:
With distilled water, clean shaddock ped, pulverize and cross O.595 mml sieve after drying 12 h at 85 ℃, by the mass ratio of 3:1, adding mass fraction is 20% ZnCl
2solution, stirs and evenly mixs, and at room temperature soaks after 12 h, is placed in the charing of Muffle furnace constant temperature, activation; The watery hydrochloric acid pickling that is 10% with mass fraction again, then with distilled water flushing to neutral, dry 12 h at 85 ℃, pulverized O.25 mm sieve after cooling, obtain shaddock ped active carbon.
Utilize the shaddock ped active carbon that Freundlich isotherm adsorption model makes the present invention to analyze, show that 1/n < 1. explanation shaddock ped active carbon is effective to the absorption of ammonia nitrogen.Can be used as the adsorbent of ammonia nitrogen.
The specific embodiment
Embodiment mono-
With distilled water, clean shaddock ped, pulverize dry 12 h at 85 ℃ after.Cross O.595 mml (30 order) sieve, be placed in drier standby.Take powder 10 g and put into porcelain crucible, adding mass fraction is 20% ZnCl
2solution, controlling liquid material mass ratio is 3:1, stirs and evenly mixs, and at room temperature soaks after 12 h, is placed in the charing of Muffle furnace constant temperature, activation.The sample having activated is taken out from Muffle furnace. the watery hydrochloric acid pickling that is 10% with mass fraction, more extremely neutral with distilled water flushing.The sample having washed is put to people's baking oven, at 85 ℃, dries 12 h, cooling after.Sample was pulverized to O.25 mm (65 order) sieve. obtain shaddock ped active carbon.After measured, the active carbon of preparing under this condition, iodine sorption value is 85lmg/g.
Claims (1)
1. the preparation method of shaddock ped active carbon, is characterized in that comprising the following steps:
Clean shaddock ped, dry at 85 ℃ and pulverizes and cross O.595 mml after 12 h and sieve, by the mass ratio of 3:1, adding mass fraction is 20% ZnCl
2solution, stirs and evenly mixs, and at room temperature soaks after 12 h, is placed in the charing of Muffle furnace constant temperature, activation; The watery hydrochloric acid pickling that is 10% with mass fraction again, then with distilled water flushing to neutral, dry 12 h at 85 ℃, pulverized O.25 mm sieve after cooling, obtain shaddock ped active carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310475326.5A CN103521182A (en) | 2013-10-13 | 2013-10-13 | Preparation method of pomelo peel activated carbon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310475326.5A CN103521182A (en) | 2013-10-13 | 2013-10-13 | Preparation method of pomelo peel activated carbon |
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| CN103521182A true CN103521182A (en) | 2014-01-22 |
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| CN201310475326.5A Pending CN103521182A (en) | 2013-10-13 | 2013-10-13 | Preparation method of pomelo peel activated carbon |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185930A (en) * | 2016-07-20 | 2016-12-07 | 西南大学 | A kind of preparation method of high methylene blue adsorption number carbon content active |
| CN111821950A (en) * | 2020-08-18 | 2020-10-27 | 湘潭大学 | Preparation method of biochar ammonia adsorbent |
| CN113477219A (en) * | 2021-08-04 | 2021-10-08 | 江苏中烟工业有限责任公司 | Method for preparing carbon-based adsorption material by using waste cigarette butts and application of carbon-based adsorption material |
| CN114749164A (en) * | 2022-04-20 | 2022-07-15 | 江苏美亚科泽过滤技术有限公司 | Preparation method of sulfur dioxide and hydrogen sulfide gas adsorbent |
-
2013
- 2013-10-13 CN CN201310475326.5A patent/CN103521182A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185930A (en) * | 2016-07-20 | 2016-12-07 | 西南大学 | A kind of preparation method of high methylene blue adsorption number carbon content active |
| CN111821950A (en) * | 2020-08-18 | 2020-10-27 | 湘潭大学 | Preparation method of biochar ammonia adsorbent |
| CN113477219A (en) * | 2021-08-04 | 2021-10-08 | 江苏中烟工业有限责任公司 | Method for preparing carbon-based adsorption material by using waste cigarette butts and application of carbon-based adsorption material |
| CN113477219B (en) * | 2021-08-04 | 2023-06-20 | 江苏中烟工业有限责任公司 | Method for preparing carbon-based adsorption material by utilizing waste cigarette butts and application thereof |
| CN114749164A (en) * | 2022-04-20 | 2022-07-15 | 江苏美亚科泽过滤技术有限公司 | Preparation method of sulfur dioxide and hydrogen sulfide gas adsorbent |
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