CN104549132B - 一种炭载铁纳米二氧化硅复合材料制备方法 - Google Patents

一种炭载铁纳米二氧化硅复合材料制备方法 Download PDF

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CN104549132B
CN104549132B CN201410734044.7A CN201410734044A CN104549132B CN 104549132 B CN104549132 B CN 104549132B CN 201410734044 A CN201410734044 A CN 201410734044A CN 104549132 B CN104549132 B CN 104549132B
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郭迎庆
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Abstract

本发明涉及一种掺杂铁制备有机水滑石放的方法,属于精细化工领域:炭黑,用浓硝酸溶解,回流烘干,再用氢氧化钠溶液溶解,磁力搅拌24小时,用稀盐酸调节pH为4‑5,加入六水硫酸铁反应,磁力搅拌,抽滤,烘干得到炭载铁,再将氯化硅用氨水,水玻璃水解碳化,加入十二烷基三甲基溴化铵,脂肪酸甘油脂缩聚,放入马沸炉中以800℃的温度下焙烧10小时,取出,得到的纳米二氧化硅粉中加入表面活性剂常温下搅拌2小时,加入8g炭载铁粉末,搅拌溶解,放入微波仪中,500W,反应30分钟后放入马沸炉中以100℃、200℃、400℃下各固化2小时,得到炭载铁纳米二氧化硅复合材料,这种方法原料易得,流程简单,能耗少。

Description

一种炭载铁纳米二氧化硅复合材料制备方法
技术领域
本发明涉及一种炭载铁纳米二氧化硅复合材料制备方法,属于精细化工领域。
背景技术
纳米材料是指颗粒颗径为1-100nm的颗粒组成的一种材料,纳米二氧化硅是最早诞生的纳米材料,也是目前世界上生产规模最大的一种纳米材料,纳米氧化硅材料明显出现网状的准颗粒结构,比表面积大,颗粒尺寸小,具有卓越的光、电、磁、力吸收、吸附等性能。
炭黑也是一种纳米材料,其有较大的表面积,含不纯物少,对无机或有机物都有良好的化学稳定性,本发明公开一种炭载铁纳米二氧化硅符合材料制备方法,很好的结合了炭黑和纳米二氧化硅的优点,化学性质稳定,吸附能力强,并且这种制作方法原料易得,流程简单,能耗少。
发明内容
本发明提供一种炭载铁纳米二氧化硅复合材料制备方法,原料易得,流程简单,能耗少,易推广。
为了达成上述目的,本发明采用的具体技术方案是:
(1)在三口反应瓶中加入10g炭黑,用100mL0.5mol/L的浓硝酸溶解,升温至沸腾,回流5小时,抽滤,在烘箱中以100℃的条件下烘干;
(2)将烘干的固体充分研磨,置于四口反应瓶中,加入15mL2mol/L的氢氧化钠溶液溶解,磁力搅拌24小时;
(3)用稀盐酸调节pH为4-5,加入50mL0.5mol/L六水硫酸铁,在氮气的保护下升温至80-100℃,磁力搅拌24小时,抽滤,烘干,研磨成粉末,即得炭载铁粉末;
(4)在四口烧瓶中加入20mL氨水,150mL二次去离子水,搅拌均匀,加入10g氯化硅,缓慢滴加20mL酸化剂,15mL水玻璃,常温下磁力搅拌24小时;
(5)在溶液中加入0.8g十二烷基三甲基溴化铵,0.5g脂肪酸甘油脂,升温至50℃,磁力搅拌5小时,在烘箱中以100℃的条件下烘干,放入马沸炉中以800℃的温度下焙烧10小时,取出,研磨成粉末,得纳米二氧化硅粉末;
(6)在四口反应瓶中加入10g上述制备的纳米二氧化硅粉末,0.03g硅烷偶联剂,0.58g苯酚-4-磺酸常温下搅拌2小时,加入8g炭载铁粉末,搅拌溶解,放入微波仪中,500W,反应30分钟;
(7)将溶液抽滤,放入马沸炉中以100℃、200℃、400℃下各固化2小时,得到炭载铁纳米二氧化硅复合材料。
本发明的应用方法为:
1、炭载铁的制备:
(1)在三口反应瓶中加入10g炭黑,用100mL0.5mol/L的浓硝酸溶解,升温至沸腾,回流5小时,抽滤,在烘箱中以100℃的条件下烘干;
(2)将烘干的固体充分研磨,置于四口反应瓶中,加入15mL2mol/L的氢氧化钠溶液溶解,磁力搅拌24小时;
(3)用稀盐酸调节pH为4-5,加入50mL0.5mol/L六水硫酸铁,在氮气的保护下升温至80-100℃,磁力搅拌24小时,抽滤,烘干,研磨成粉末。
2、纳米二氧化硅的制备:
(1)在四口烧瓶中加入20mL氨水,150mL二次去离子水,搅拌均匀,加入10g氯化硅,缓慢滴加20mL酸化剂,15mL水玻璃,常温下磁力搅拌24小时;
(2)在溶液中加入0.8g十二烷基三甲基溴化铵,0.5g脂肪酸甘油脂,升温至50℃,磁力搅拌5小时,在烘箱中以100℃的条件下烘干,放入马沸炉中以800℃的温度下焙烧10小时,取出,研磨成粉末。
3、炭载铁纳米二氧化硅复合材料制备:
(1)在四口反应瓶中加入10g纳米二氧化硅粉末,0.03g硅烷偶联剂,0.58g苯酚-4-磺酸常温下搅拌2小时,加入8g炭载铁粉末,搅拌溶解,放入微波仪中,500W,反应30分钟;
(2)将溶液抽滤,放入马沸炉中以100℃、200℃、400℃下各固化2小时,得到炭载铁纳米二氧化硅复合材料。
具体实施方案:
1、炭载铁的制备:
(1)在三口反应瓶中加入10g炭黑,用100mL0.5mol/L的浓硝酸溶解,升温至沸腾,回流5小时,抽滤,在烘箱中以100℃的条件下烘干;
(2)将烘干的固体充分研磨,置于四口反应瓶中,加入15mL2mol/L的氢氧化钠溶液溶解,磁力搅拌24小时;
(3)用稀盐酸调节pH为4-5,加入50mL0.5mol/L六水硫酸铁,在氮气的保护下升温至80-100℃,磁力搅拌24小时,抽滤,烘干,研磨成粉末。
2、纳米二氧化硅的制备:
(1)在四口烧瓶中加入20mL氨水,150mL二次去离子水,搅拌均匀,加入10g氯化硅,缓慢滴加20mL酸化剂,15mL水玻璃,常温下磁力搅拌24小时;
(2)在溶液中加入0.8g十二烷基三甲基溴化铵,0.5g脂肪酸甘油脂,升温至50℃,磁力搅拌5小时,在烘箱中以100℃的条件下烘干,放入马沸炉中以800℃的温度下焙烧10小时,取出,研磨成粉末。
3、炭载铁纳米二氧化硅复合材料制备:
(1)在四口反应瓶中加入10g纳米二氧化硅粉末,0.03g硅烷偶联剂,0.58g苯酚-4-磺酸常温下搅拌2小时,加入8g炭载铁粉末,搅拌溶解,放入微波仪中,500W,反应30分钟;
(2)将溶液抽滤,放入马沸炉中以100℃、200℃、400℃下各固化2小时,得到炭载铁纳米二氧化硅复合材料。
实例1
在某印染厂,取1000mL印染废水,测得废水中甲基蓝的含量为335mg/L,将炭载铁纳米二氧化硅复合材料放入1000mL的印染废水中,充分搅拌1小时,经检测废水中甲基红的含量为0.21mg/L,去除率为99%。
实例2
在某印染厂,取2000mL印染废水,测得废水中甲基蓝的含量为125mg/L,将炭载铁纳米二氧化硅复合材料放入1000mL的印染废水中,充分搅拌2小时,经检测废水中甲基红的含量为0.11mg/L,去除率为99%。
实例3
在某印染厂,取3000mL印染废水,测得废水中甲基蓝的含量为411mg/L,将炭载铁纳米二氧化硅复合材料放入1000mL的印染废水中,充分搅拌2.5小时,经检测废水中甲基红的含量为0.43mg/L,去除率为99%。

Claims (1)

1.一种炭载铁纳米二氧化硅复合材料制备方法,其特征在于具体制备步骤为:
(1)在三口反应瓶中加入10g炭黑,用100mL0.5mol/L的浓硝酸溶解,升温至沸腾,回流5小时,抽滤,在烘箱中以100℃的条件下烘干;
(2)将烘干的固体充分研磨,置于四口反应瓶中,加入15mL2mol/L的氢氧化钠溶液溶解,磁力搅拌24小时;
(3)用稀盐酸调节pH为4-5,加入50mL0.5mol/L六水硫酸铁,在氮气的保护下升温至80-100℃,磁力搅拌24小时,抽滤,烘干,研磨成粉末,即得炭载铁粉末;
(4)在四口烧瓶中加入20mL氨水,150mL二次去离子水,搅拌均匀,加入10g氯化硅,缓慢滴加20mL酸化剂,15mL水玻璃,常温下磁力搅拌24小时;
(5)在溶液中加入0.8g十二烷基三甲基溴化铵,0.5g脂肪酸甘油脂,升温至50℃,磁力搅拌5小时,在烘箱中以100℃的条件下烘干,放入马沸炉中以800℃的温度下焙烧10小时,取出,研磨成粉末,得纳米二氧化硅粉末;
(6)在四口反应瓶中加入10g上述制备的纳米二氧化硅粉末,0.03g硅烷偶联剂,0.58g苯酚-4-磺酸常温下搅拌2小时,加入8g炭载铁粉末,搅拌溶解,放入微波仪中,500W,反应30分钟;
(7)将溶液抽滤,放入马沸炉中以100℃、200℃、400℃下各固化2小时,得到炭载铁纳米二氧化硅复合材料。
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