CN100417590C - 一种树脂基球状活性炭的制备方法 - Google Patents

一种树脂基球状活性炭的制备方法 Download PDF

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CN100417590C
CN100417590C CNB031785735A CN03178573A CN100417590C CN 100417590 C CN100417590 C CN 100417590C CN B031785735 A CNB031785735 A CN B031785735A CN 03178573 A CN03178573 A CN 03178573A CN 100417590 C CN100417590 C CN 100417590C
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resin
active carbon
spherical
spherical resin
spheric active
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CN1480399A (zh
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凌立成
吕春祥
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Shanxi Institute of Coal Chemistry of CAS
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Shanxi Institute of Coal Chemistry of CAS
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Abstract

一种树脂基球状活性炭的制备方法是以球形树脂为原料,经过空气氧化,再经高温炭化和水蒸气活化制备球状活性炭。该方法原料来源广泛,价格低廉,工艺路线简单,成本低,球状活性炭强度高。

Description

一种树脂基球状活性炭的制备方法
技术领域:
本发明属于活性炭的一种制备方法,具体涉及一种以球形树脂为原料制备球状活性炭的方法。
背景技术:
球状活性炭具有球形度好、机械强度高、阻力小、吸脱附速度快、无毒、生理相容性好等特点,在环保、医疗、军事、化工等领域中具有重要的作用。制备球状活性炭的原料分两大类:(1)焦化副产品沥青、焦油和石油化工副产品渣油、沥青等,这种球状活性炭成为沥青基球状活性炭。(2)球形树脂原料,这种球状活性炭称为树脂基球状活性炭。Z197101617.8、ZL98104975.3、ZL99102012.X和ZL98123530.1报道了沥青基球状活性炭的制备和孔结构控制的方法,以沥青或者焦油为原料,以烃类物质为改性剂,采用乳化法成球,通过氧化炭化活化制备球状活性炭。ZL98115717.3报道了酚醛树脂基球状活性炭的制备方法,以酚醛树脂为原料,球化时加入致孔剂,再经过氧化、炭化和活化制备球状活性炭。上述制备球状活性炭皆存在一个共同的弱点,即工艺步骤较多,控制精度高,生产成本高。
发明内容:
本发明的目的是提供一种工艺简单,易操作,生产成本低的树脂基球状活性炭的制备方法。
本发明采用商品化的球形树脂为原料,通过空气氧化,再经过炭化和活化制备球状活性炭。具体步骤为:
1.球形树脂的氧化:将球形树脂在空气中以0.5-5℃/min的速率升温到200-300℃,使球形树脂充分交联固化;
2.球形树脂的炭化和活化:在惰性气体保护下将固化的球形树脂升温至700-1000℃下炭化,然后通入水蒸气活化,制得树脂基球状活性炭。
本专利具有如下特色:
1、原料来源广泛,价格低廉。
2、工艺路线简单,易操作,成本低。
3、球状活性炭强度高。
具体实施方式:
实施例1:
在烘箱式氧化设备中,将100g001×7球形树脂在空气中以0.5℃/min的速率升温到200℃交联固化。在流化床炭化活化装置中,在氮气保护下,将固化的球形树脂升温至700℃下炭化,然后以1ml/min的速率通入水蒸气活化90min,制得树脂基球状活性炭。性能见表1。
实施例2-6及性能见表1。
表1:
  实施例   1   2   3   4   5   6
  原料   001×7   D001×7   201×7   301   331   D401
  氧化速率℃/min   0.5   5   3   1   1.5   5
  氧化终温℃   200   300   250   230   260   280
  炭化活化温度℃   700   800   1000   850   820   900
  活化时间min   90   60   10   30   40   20
  BET比表面积(m<sup>2</sup>/g)   450   721   475   803   689   621
  总孔容ml/g   0.25   0.47   0.28   0.45   0.40   0.43
  微孔孔容ml/g   0.22   0.39   0.20   0.41   0.35   0.35

Claims (2)

1. 一种树脂基球状活性炭的制备方法,其特征在于包括如下步骤:
(1)球形树脂的氧化:将球形树脂在空气中以0.5-5℃/min的速率升温到200-300℃,使球形树脂充分交联固化;
(2)球形树脂的炭化和活化:在惰性气体保护下将固化的球形树脂升温至700-1000℃下炭化,然后通入水蒸气活化,制得树脂基球状活性炭。
2. 权利要求1所述的一种树脂基球状活性炭的制备方法,其特征在于所述的炭化温度为800-900℃。
CNB031785735A 2003-07-18 2003-07-18 一种树脂基球状活性炭的制备方法 Expired - Lifetime CN100417590C (zh)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102055013A (zh) * 2009-10-27 2011-05-11 黄忠勇 一种化学电池用活性碳层
CN101983918B (zh) * 2010-11-25 2012-05-30 中国科学院山西煤炭化学研究所 一种毫米级活性炭小球的制备方法
CN102874806B (zh) * 2012-09-26 2014-08-20 中国科学院山西煤炭化学研究所 一种具有高堆密度和高比表面积球状活性炭的制备方法
CN112336640A (zh) * 2020-10-26 2021-02-09 山西国重工程科技有限公司 一种广谱型球状活性炭牙膏及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488023A (en) * 1994-08-12 1996-01-30 Corning Incorporated Method of making activated carbon having dispersed catalyst
WO1998016377A1 (en) * 1996-10-11 1998-04-23 Corning Incorporated Supported activated carbon composites and method of making same
US6187713B1 (en) * 1996-10-31 2001-02-13 Corning Incorporated Method of making activated carbon bodies having improved adsorption properties
CN1291587A (zh) * 2000-09-05 2001-04-18 天津大学 制作超级电容器电极的活性炭制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488023A (en) * 1994-08-12 1996-01-30 Corning Incorporated Method of making activated carbon having dispersed catalyst
WO1998016377A1 (en) * 1996-10-11 1998-04-23 Corning Incorporated Supported activated carbon composites and method of making same
US6187713B1 (en) * 1996-10-31 2001-02-13 Corning Incorporated Method of making activated carbon bodies having improved adsorption properties
CN1291587A (zh) * 2000-09-05 2001-04-18 天津大学 制作超级电容器电极的活性炭制备方法

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