CN100427202C - 活性杞柳根炭的炭化及造孔制备方法 - Google Patents

活性杞柳根炭的炭化及造孔制备方法 Download PDF

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CN100427202C
CN100427202C CNB2006100694889A CN200610069488A CN100427202C CN 100427202 C CN100427202 C CN 100427202C CN B2006100694889 A CNB2006100694889 A CN B2006100694889A CN 200610069488 A CN200610069488 A CN 200610069488A CN 100427202 C CN100427202 C CN 100427202C
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purple willow
active carbon
willow root
charing
feed
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CN1962048A (zh
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张建
曾琴文
张成禄
冯洋洋
靖玉明
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Shandong University
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Shandong University
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Abstract

本发明涉及一种吸附剂,属于活性炭水处理和废气及有害气体治理技术领域。针对制备活性炭的原材料不足,利用杞柳根进行炭化造孔,制作成活性炭。活性杞柳根炭的制备工艺包括粉碎、烘干、炭化和造孔;将杞柳根进行破碎和筛选,粉碎后的杞柳根于烘箱中干燥;将干燥料在隔绝空气,360℃~390℃条件下炭化得到炭化料;将炭化料添入活化设备中,通入N2加热升温到410~430℃,然后通入H2O(g)对炭化料进行造孔,恒温冷却后取出成品。本发明制备工艺简单、耗能少;杞柳根炭的原料来源广泛,成本低廉;变废为宝;杞柳根炭应用范围广,处理效果好。

Description

活性杞柳根炭的炭化及造孔制备方法
技术领域
本发明涉及一种吸附剂,属于活性炭水处理和废气及有害气体治理技术领域。
背景技术
作为一种优良的吸附剂,活性炭具有独特的孔隙结构和表面官能团,具有足够的化学稳定性,机械强度及耐酸,耐碱,耐热的性能。利用活性炭的吸附能力,在液相中常用于吸附重金属,有机污染物和脱色,现在使用比较多的是废水处理和饮用水净化;在气相吸附除了防毒面具外,工业上也用于回收有机溶剂,分离精制气体,净化空气。
目前国内主要是以煤炭、木材等碳含量较高材料作为生产活性炭的原料。有些地区采用砍伐林木制取活性炭,已造成该地区严重的森林破环和水土流失。杞柳别名簸箕柳、它为灌木,发条率高,是较好的编织材料.杞柳在我国分布很广,山东、河北、山西等省由于气候适宜,杞柳一年栽植,多年收条,是重要的经济树种。杞柳的枝条一般可用作制备编织物(垃圾篓、花篮等),而它的根没被利用,成为一种废料。本发明就是利用这种废料作为原料制备活性炭。
发明内容
本发明针对制备活性炭的原材料不足,利用杞柳根进行炭化造孔,获得具有细微孔隙结构的活性杞柳根炭产品。
杞柳根炭化及造孔制备方法如下:
(1)粉碎:将杞柳根进行破碎和筛选,取粒径为1.0~2.0cm的杞柳根,将粉末状的CaCO3和粉碎后的杞柳根以质量比2.0~2.4∶1.0混匀,搅拌。
(2)烘干:将粉碎后的杞柳根置于烘箱中干燥。
(3)炭化:将干燥料在隔绝空气,360℃~390℃条件下炭化得到炭化料。
(4)造孔:将炭化料放入活化设备中,通入N2加热升温到410~430℃,然后通入H2O(g)恒温2~4h冷却后取出。将得到的产物用8~10%HCl浸泡7~9h,过滤,用蒸馏水洗涤,直到洗脱液的pH=5~7时,将活化产物在100~120℃下烘烤8~12h,将干燥产物研细,过筛得到不同粒径的杞柳根炭产品。
本发明具有以下优点:
(1)、活性杞柳根炭制备工艺简单、耗能少。
(2)、杞柳根炭的原料来源广泛,成本低廉,经济效益高。
(3)、利用杞柳根制成杞柳根炭,实现废物利用,变废为宝。
(4)、杞柳根炭应用范围广,处理效果好、可用于污水处理、废气及有害气体的治理、气体净化。
具体实施方式
杞柳根炭采用催化炭化活化法,以CaCO3为催化活化剂。
粉碎杞柳根.将粉末状的CaCO3和粉碎后的杞柳根以质量比2.0~2.4∶1.0混匀,搅拌转入烘箱中100~130℃干燥8~10h。将干燥料放入炭化炉中,通入N2加热升温到360~390℃,恒温1~2h,得到炭化料。将炭化料放入活化设备中,通入H2O(g)加热升温到410~430℃,然后通入H2O(g)或CO2恒温2~4h冷却后取出。将加热得到的产物转入8~10%HCl中浸泡7~9h,过滤,洗涤,将活化产物在100-120℃下烘烤8~12h,将干燥产物研细,过筛得到不同粒径的杞柳根炭产品。

Claims (1)

1、一种以杞柳根制备活性炭的方法,包括粉碎、烘干、炭化和造孔,其特征在于:
(1)粉碎:将杞柳根进行破碎和筛选,取粒径为1.0~2.0cm的杞柳根,将粉末状的CaCO3和粉碎后的杞柳根以质量比2.0~2.4∶1.0混匀,搅拌;
(2)烘干:将步骤(1)得到的物料置于烘箱内干燥;
(3)炭化:将干燥料在隔绝空气,360℃~390℃条件下炭化得到炭化料;
(4)造孔:将炭化料放入活化设备中,通入N2加热升温到410~430℃,然后通入气态H2O恒温2~4h冷却后取出,将得到的产物用8~10%HCl浸泡7~9h,过滤,用蒸馏水洗涤,直到洗脱液的pH=5~7时,将活化产物在100~120℃下烘烤8~12h,将干燥产物研细,过筛得到不同粒径的活性炭。
CNB2006100694889A 2006-10-30 2006-10-30 活性杞柳根炭的炭化及造孔制备方法 Expired - Fee Related CN100427202C (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642657A (en) * 1968-09-18 1972-02-15 Standard Oil Co Production of active carbons from aromatic carboxylic acids petroleum coke acid or from porous carbons
US5143889A (en) * 1987-11-20 1992-09-01 Osaka Gas Company Limited Active carbon and processes for preparation of same
CN1108212A (zh) * 1994-03-09 1995-09-13 卢元健 活性炭生产方法
CN1333180A (zh) * 2001-09-04 2002-01-30 郑兴福 由竹质原料制备活性炭的方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642657A (en) * 1968-09-18 1972-02-15 Standard Oil Co Production of active carbons from aromatic carboxylic acids petroleum coke acid or from porous carbons
US5143889A (en) * 1987-11-20 1992-09-01 Osaka Gas Company Limited Active carbon and processes for preparation of same
CN1108212A (zh) * 1994-03-09 1995-09-13 卢元健 活性炭生产方法
CN1333180A (zh) * 2001-09-04 2002-01-30 郑兴福 由竹质原料制备活性炭的方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
高表面积活性碳的制备. 张晓昕等.材料科学与工程,第14卷第4期. 1996
高表面积活性碳的制备. 张晓昕等.材料科学与工程,第14卷第4期. 1996 *

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