CN101618871A - Method for preparing active carbon by apricot shell - Google Patents
Method for preparing active carbon by apricot shell Download PDFInfo
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- CN101618871A CN101618871A CN200910113272A CN200910113272A CN101618871A CN 101618871 A CN101618871 A CN 101618871A CN 200910113272 A CN200910113272 A CN 200910113272A CN 200910113272 A CN200910113272 A CN 200910113272A CN 101618871 A CN101618871 A CN 101618871A
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- apricot
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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Abstract
The invention discloses a method for preparing active carbon by an apricot shell, which comprises the following steps: taking an apricot shell left after seed processing as a raw material; soaking the pulverized apricot shell which is screened by a 20-mesh sieve into 50 percent of zinc chloride solution for 24 hours according to the solid-to-liquid ratio of 1:3, transferring the solution in a microwave oven with the microwave power of 700W to radiate for 7 minutes; transferring the pyrolyzed apricot shell in an activating oven; and after the apricot shell is activated at 600 DEG C for 90 minutes, carrying out the procedures of washing by acid, washing with water, drying, pulverizing and screening to obtain a finished active carbon product. The method is widely applied to an apricot production area.
Description
Invention field
The present invention relates to a kind of preparation activated carbon technology field.Specifically, the present invention relates to a kind of method and technology field of preparing active carbon by apricot shell.
Background technology
At present, Xinjiang is one of three big producing regions of China's apricot, and only full boundary apricot cultivated area in 2005 reaches 134857 hectares, and more than 680,000 ton of ultimate production accounts for more than 46.4% of national cultivated area and ultimate production, and apricot cultivated area and output rise year by year in recent years.At present in the processing at apricot, apricot flesh, almond have all had sophisticated product, but the almond shell almost be used as refuse and abandon entirely, but do not obtain development and use so far yet.
Gac is widely used in exposing sb.'s past misdeeds in the multiplex (MUX) industry field, as is used for oil, metallurgy, chemical industry, medicine.Electronics, machinery, wine brewing, sugaring, monosodium glutamate, the gas phase and the liquid phase adsorption of grease and refreshment drink industry also can be used for making with extra care, purify, capture, separate, remove to open and smell different hiding. solvent recuperation. high vacuum, refrigeration. quick butterfly and carrier thereof, aspects such as filling smoke mask can be described as various industrial developments and public hazards and administer indispensable starting material.Produce at present in the processing method of gac, do not appear in the newspapers about utilizing preparing active carbon by apricot shell, preparing active carbon by apricot shell to have multiple superiority, the method for exploitation preparing active carbon by apricot shell is significant.
Summary of the invention
At not seeing the present situation of utilizing preparing active carbon by apricot shell at present both at home and abroad.The objective of the invention is with depleted almond shell is the feedstock production process of active carbon, has not only solved the technological difficulties in the preparing active carbon by apricot shell process, and makes full use of discarded almond shell, has also enlarged the new way in gac source.
The present invention specifically provides a kind of method of preparing active carbon by apricot shell, and concrete steps are as follows:
(1) the solid-to-liquid ratio of the almond shell of pulverizing 20 mesh sieves, to soak 24 hours in the liquor zinci chloridi of 50% concentration by 1: 3;
(2) the almond shell is moved in the microwave oven of microwave power of 700W carried out radiotreatment 7 minutes;
(3) the almond shell after pyrolysis was transferred in the activation furnace, 600 ℃ of activation of temperature 90 minutes;
(4) after activated, carry out pickling, washing, oven dry, crushing screening and prepare the finished product gac.
The invention belongs to preparation method of active carbon.In detail, utilize the almond husk as raw material, remove impurity, the almond shell 100 ℃ of down dry 24h dehydrations, is milled to 0.80mm, with certain density liquor zinci chloridi dipping 24h, carry out microwave exposure subsequently, activation then, cooling back product carries out pulverizing 200 mesh sieves after pickling, washing, the oven dry, obtains the finished product gac.
Add the concrete content of the present invention by real, realize content of the present invention, can reach following beneficial effect.
Utilize the almond shell to produce the gac of one ton of iodine number for 1100-1200mg/g by method provided by the invention, required almond husk as raw material is less than 6 tons, than the traditional method 20%-30% that can economize in raw materials, reduces cost of labor and reaches 70%, and labor strength significantly descends.
Description of drawings
Fig. 1 is shown as the technical process that the almond shell is the feedstock production high quality active carbon.
Embodiment
In conjunction with the accompanying drawings, for the embodiment explanation, still, the present invention is not limited to following embodiment.
Embodiment:
Dry: as the almond shell to be removed impurity, 100 ℃ of down dry 24h dehydrations.
Broken: as dried raw material to be ground 20 mesh sieves, the almond shell is crushed to 0.80mm.
Dipping: by weight solid-to-liquid ratio is that the liquor zinci chloridi of 1: 3 usefulness 50% flooded 24 hours.
Microwave radiation: impregnated raw material is placed the microwave oven of 700W, microwave radiation 7 minutes.
Activation: will place 600 ℃ of activation furnace activation 90 minutes through the raw material of microwave radiation processing.
Pickling: after the activated material cooling, the employing volume ratio is that 1: 9 dilute hydrochloric acid solution boils 30min.
Washing: the tap water flushing activated material with temperature makes its pH value approach 7.
Dry: pulverized 200 mesh sieves after placing baking oven to dry activated material and can obtain the finished product gac.
Embodiment:
In order to further specify the present invention, take by weighing the almond shell of 100 kilograms of impurity eliminations, mistake 20 mesh sieves, flood, after the microwave radiation, activation, pickling, washing, baking procedure, obtain the finished product gac more than 45 kilograms according to step of the present invention and processing condition.
Utilize almond shell production process of active carbon according to the present invention, its performance index are compared with standard index and are listed in the table 1
Table 1 is the synopsis of detected result of the present invention and standard index
| Test event | Standard index | Detected result |
| Specific surface area (m2/g) | ??500-900 | ??＞1000 |
| Iodine sorption value (mg/g) | ??≥850 | ??980 |
| Methylene blue adsorption value (mL/g) | ??＞80 | ??140 |
| Caramel decolorizing ability (%) | ??120 | |
| Yield (%) | ??＞45 |
Standard index in the table 1 is the Ministry of Chemical Industry of the People's Republic of China (PRC) that announces according to HG3-1290-80, gac, ministerial standard, detected result is the test event index that the present invention detects, utilize the gac of almond shell preparation as can be seen from Table 1, the main performance index adsorptive capacity is greater than ministerial standard.
Claims (5)
1, a kind of method of preparing active carbon by apricot shell is characterized in that, described preparation method's step is as follows:
(1) the almond husk as raw material of the almond shell being pulverized 20 mesh sieves 100 ℃ of down dry 24h dehydrations is by weight 1: 3 solid-to-liquid ratio, to soak 24 hours in the liquor zinci chloridi of 50% concentration;
(2) the almond shell is moved to carry out radiotreatment in the microwave oven;
(3) the almond shell after pyrolysis is transferred in the activation furnace and activates;
(4) after activated, carry out pickling, washing, oven dry, pulverized 200 mesh sieves and prepare the finished product gac.
According to the method for the preparing active carbon by apricot shell of claim 1, it is characterized in that 2, described almond shell drying, dehydration are milled to 0.80mm.
3, according to the method for the preparing active carbon by apricot shell of claim 1, it is characterized in that the radiation 7 minutes under the microwave power of 700W of described microwave exposure.
According to the method for the preparing active carbon by apricot shell of claim 1, it is characterized in that 4, described activation was 600 ℃ of activation of temperature 90 minutes.
According to the method for the preparing active carbon by apricot shell of claim 1, it is characterized in that 5, it is that 1: 9 dilute hydrochloric acid solution boils 30min that volume ratio is adopted in described pickling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910113272A CN101618871A (en) | 2009-03-27 | 2009-03-27 | Method for preparing active carbon by apricot shell |
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| CN200910113272A CN101618871A (en) | 2009-03-27 | 2009-03-27 | Method for preparing active carbon by apricot shell |
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| CN101618871A true CN101618871A (en) | 2010-01-06 |
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| CN200910113272A Pending CN101618871A (en) | 2009-03-27 | 2009-03-27 | Method for preparing active carbon by apricot shell |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101863469A (en) * | 2010-06-24 | 2010-10-20 | 辽宁大学 | Method for manufacturing dechlorinated active carbon special for cooking by using apricot shells |
| CN102275914A (en) * | 2011-05-18 | 2011-12-14 | 新疆大学 | Method for preventing active carbon activation process from fracture |
| CN102745688A (en) * | 2012-07-18 | 2012-10-24 | 太仓市联林活性炭厂 | Process for preparing bamboo shoot shell based activated carbon by means of zinc chloride activation method |
| CN103030710A (en) * | 2013-01-05 | 2013-04-10 | 广西大学 | Resource utilization method of camellia oleifera shells |
| CN104495843A (en) * | 2015-01-26 | 2015-04-08 | 姚雯楸 | Method for making activated carbon by using wild peach pit shells |
| CN105883799A (en) * | 2016-04-25 | 2016-08-24 | 贵州安凯达实业股份有限公司 | Method for improving activity of activated carbon |
| CN106335900A (en) * | 2015-07-07 | 2017-01-18 | 云南民族大学 | Method for preparation of activated carbon hydrogen storage material by microwave modification of mangosteen shell |
| CN106587049A (en) * | 2016-12-06 | 2017-04-26 | 南京九致信息科技有限公司 | Method for preparing active carbon with apricot pit as carbon source through microwave heating |
| CN108975327A (en) * | 2018-09-12 | 2018-12-11 | 南阳师范学院 | A method of preparing active carbon |
| CN113896185A (en) * | 2021-10-22 | 2022-01-07 | 河北民族师范学院 | Preparation method and application of apricot shell-based nitrogen-doped graphene quantum dots |
-
2009
- 2009-03-27 CN CN200910113272A patent/CN101618871A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101863469A (en) * | 2010-06-24 | 2010-10-20 | 辽宁大学 | Method for manufacturing dechlorinated active carbon special for cooking by using apricot shells |
| CN102275914A (en) * | 2011-05-18 | 2011-12-14 | 新疆大学 | Method for preventing active carbon activation process from fracture |
| CN102745688A (en) * | 2012-07-18 | 2012-10-24 | 太仓市联林活性炭厂 | Process for preparing bamboo shoot shell based activated carbon by means of zinc chloride activation method |
| CN103030710A (en) * | 2013-01-05 | 2013-04-10 | 广西大学 | Resource utilization method of camellia oleifera shells |
| CN103030710B (en) * | 2013-01-05 | 2015-03-18 | 广西大学 | Resource utilization method of camellia oleifera shells |
| CN104495843A (en) * | 2015-01-26 | 2015-04-08 | 姚雯楸 | Method for making activated carbon by using wild peach pit shells |
| CN106335900B (en) * | 2015-07-07 | 2019-01-29 | 云南民族大学 | A method of active carbon hydrogen storage material is prepared using mangosteen shell microwave modification |
| CN106335900A (en) * | 2015-07-07 | 2017-01-18 | 云南民族大学 | Method for preparation of activated carbon hydrogen storage material by microwave modification of mangosteen shell |
| CN105883799A (en) * | 2016-04-25 | 2016-08-24 | 贵州安凯达实业股份有限公司 | Method for improving activity of activated carbon |
| CN105883799B (en) * | 2016-04-25 | 2018-06-29 | 贵州安凯达实业股份有限公司 | A kind of activity carbon activity improves method |
| CN106587049A (en) * | 2016-12-06 | 2017-04-26 | 南京九致信息科技有限公司 | Method for preparing active carbon with apricot pit as carbon source through microwave heating |
| CN108975327A (en) * | 2018-09-12 | 2018-12-11 | 南阳师范学院 | A method of preparing active carbon |
| CN108975327B (en) * | 2018-09-12 | 2022-04-22 | 南阳师范学院 | Method for preparing activated carbon |
| CN113896185A (en) * | 2021-10-22 | 2022-01-07 | 河北民族师范学院 | Preparation method and application of apricot shell-based nitrogen-doped graphene quantum dots |
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Application publication date: 20100106 |