CN107311690A - 一种陶瓷净水材料及其制备方法 - Google Patents

一种陶瓷净水材料及其制备方法 Download PDF

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CN107311690A
CN107311690A CN201710323031.4A CN201710323031A CN107311690A CN 107311690 A CN107311690 A CN 107311690A CN 201710323031 A CN201710323031 A CN 201710323031A CN 107311690 A CN107311690 A CN 107311690A
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王维根
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Nanjing Pan Environmental Protection Technology Co Ltd
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Abstract

本发明公开了一种陶瓷净水材料及其制备方法，该陶瓷净水材料，由包含以下重量份的组分制成：硅藻土75‑80份、壳聚糖18‑25份、硬脂酸单甘油脂0.5‑0.8份、纤维素0.2‑0.8份、复合净水组分1‑2份；其中，所述复合净水组分由钠基膨润土、玻璃纤维、碳酸钙、竹炭粉、纳米银制得。本发明还公开了陶瓷净水材料的制备方法，包括以下步骤：在上述组分中，加入水，混合均匀，捏合成泥料；将所述泥料熟化，在模具内辊压成型，脱模，烘干，烧结，冷却，得到陶瓷净水材料。

Description

一种陶瓷净水材料及其制备方法
技术领域
本发明属于净水材料领域，特别涉及一种陶瓷净水材料及其制备方法。
背景技术
陶瓷材料是一种具有良好力学强度，且稳定性良好的材料，可通过在制备过程中加入功能性物质，使烧结后的陶瓷材料具有良好的净水效果。
现有的陶瓷净水材料主要是通过微孔的过滤作用，从而达到净水的效果，但微孔过滤的净水效率低，且净水效果差，因此在净水领域受到诸多限制。
发明内容
针对上述的需求，本发明特别提供了一种陶瓷净水材料及其制备方法。
本发明的目的可以通过以下技术方案实现：
一种陶瓷净水材料，由包含以下重量份的组分制成：
硅藻土 75-80份；
壳聚糖 18-25份；
硬脂酸单甘油脂 0.5-0.8份；
纤维素 0.2-0.8份；
复合净水组分 1-2份；
其中，所述复合净水组分由钠基膨润土、玻璃纤维、碳酸钙、竹炭粉、纳米银制得。
所述纤维素为木质纤维素和羧甲基纤维素钠盐的混合物。
所述木质纤维素和所述羧甲基纤维素钠盐的质量比为3-6:1-2。
所述硅藻土平均粒径为15-18微米，孔隙率为93％。
所述复合净水组分由钠基膨润土80wt%、玻璃纤维8-10wt%、碳酸钙5-8wt%、竹炭粉2-5wt%、纳米银0.1-0.2wt%制得。
所述复合净水组分由钠基膨润土80wt%、玻璃纤维8-10wt%、碳酸钙5-8wt%、竹炭粉2-5wt%、纳米银0.1-0.2wt%混合均匀后，在680-750℃下加热15-20分钟制得。
1) 称取复合净水组分1-2重量份，加入球磨机研磨8-10分钟，待用；
2) 称取硅藻土75-80重量份、壳聚糖18-25重量份、硬脂酸单甘油脂0.5-0.8重量份、纤维素0.2-0.8重量份、研磨后的复合净水组分1-2重量份，加入水，混合均匀，捏合成泥料 ；
3)将所述泥料熟化，在模具内辊压成型，脱模，烘干，烧结，冷却，得到陶瓷净水材料。
所述烧结的具体条件包括在氮气条件下，以3-5℃/min的升温速率加热到 870-920℃，保温4小时。
所述木质纤维素和所述羧甲基纤维素钠盐的质量比为3-6:1-2；所述硅藻土平均粒径为15-18微米，孔隙率为93％。
所述复合净水组分由钠基膨润土80wt%、玻璃纤维8-10wt%、碳酸钙5-8wt%、竹炭粉2-5wt%、纳米银0.1-0.2wt%混合均匀后，在680-750℃下加热15-20分钟制得。
本发明与现有技术相比，其有益效果为：
（1）本发明通过将硅藻土、壳聚糖、硬脂酸单甘油脂、纤维素、复合净水组分进行混合制得陶瓷净水材料，使该材料具有良好的杂质吸附作用，同时该材料能够有效净水除菌。
（2）本发明的陶瓷净水材料通过加入一定比例的木质纤维素和羧甲基纤维素钠盐，使该陶瓷材料的除杂净水效果更加突出，且效率更高，本发明通过加入纳米银和壳聚糖，使在少量银参入量的情况下，材料的除菌性能仍有很大程度的提升。
（3）本发明的陶瓷净水材料成本低，制备方法简单，易于工业化生产。
具体实施方式
以下结合实施例对本发明作进一步的说明。
实施例1
称取钠基膨润土80kg、玻璃纤维9.9kg、碳酸钙8kg、竹炭粉2kg、纳米银0.1kg混合均匀后，在680℃下加热20分钟，制得复合净水组分。
实施例2
称取钠基膨润土80kg、玻璃纤维8kg、碳酸钙6.8kg、竹炭粉5kg、纳米银0.2kg混合均匀后，在750℃下加热15分钟，制得复合净水组分。
实施例3
称取钠基膨润土80kg、玻璃纤维10kg、碳酸钙5kg、竹炭粉4.8kg、纳米银0.2kg混合均匀后，在750℃下加热15分钟，制得复合净水组分。
实施例4
（1) 称取实施例1的复合净水组分1kg，加入球磨机研磨8分钟，待用；
（2) 称取孔隙率为93％、平均粒径为18微米的硅藻土75kg、壳聚糖20kg、硬脂酸单甘油脂0.6kg、木质纤维素0.17kg、羧甲基纤维素钠盐0.03kg、研磨后的复合净水组分1kg，加入水，混合均匀，捏合成泥料；
（3) 将所述泥料静置24小时后，除去上层液体，在模具内辊压成型，脱模，烘干，在氮气条件下以3℃/min的升温速率加热到 920℃，保温4小时，冷却，得到陶瓷净水材料。
实施例5
（1) 称取实施例2的复合净水组分2kg，加入球磨机研磨10分钟，待用；
（2) 称取孔隙率为93％、平均粒径为15微米的硅藻土80kg、壳聚糖25kg、硬脂酸单甘油脂0.5kg、木质纤维素0.48kg、羧甲基纤维素钠盐0.32kg、研磨后的复合净水组分2kg，加入水，混合均匀，捏合成泥料；
（3) 将所述泥料静置24小时后，除去上层液体，在模具内辊压成型，脱模，烘干，在氮气条件下以5℃/min的升温速率加热到 870℃，保温4小时，冷却，得到陶瓷净水材料。
实施例6
（1) 称取实施例3的复合净水组分1kg，加入球磨机研磨8分钟；
（2) 加入孔隙率为93％、平均粒径为15微米的硅藻土78kg、壳聚糖18kg、硬脂酸单甘油脂0.8kg、木质纤维素0.6kg、羧甲基纤维素钠盐0.2kg、复合净水组分1kg，加入水，混合均匀，捏合成泥料；
（3) 将所述泥料静置24小时后，除去上层液体，在模具内辊压成型，脱模，烘干，在氮气条件下以5℃/min的升温速率加热到 900℃，保温4小时，冷却，得到陶瓷净水材料。
对比例1
（1)将孔隙率为85％的硅藻土75kg、钠基膨润土12kg、竹炭粉5kg、木质纤维素3kg和羧甲基纤维素钠盐1kg的混合物、硬脂酸单甘油脂0.5kg、纤维素0.2kg、纳米银0.2kg、明矾0.1kg，加入水，混合均匀，捏合成泥料；
（2）将泥料静置24小时后，除去上层液体，在模具内辊压成型，脱模，烘干，在氮气条件下以3℃/min的升温速率加热到 920℃，保温4小时，冷却，得到陶瓷净水材料。
对比例2
（1)将孔隙率为93％的硅藻土75kg、壳聚糖18kg、钠基膨润土12kg、竹炭粉5kg、硬脂酸单甘油脂0.5kg、纤维素0.2kg、纳米银0.2kg、明矾0.1kg，加入水，混合均匀，捏合成泥料；
（2）将所述泥料静置24小时后，除去上层液体，在模具内辊压成型，脱模，烘干，在氮气条件下以3℃/min的升温速率加热到 920℃，保温4小时，冷却，得到陶瓷净水材料。
对比例3
（1)将孔隙率为93％的硅藻土75kg、钠基膨润土12kg、竹炭粉5kg、硬脂酸单甘油脂0.5kg、纤维素0.2kg、纳米银0.5kg、明矾0.1kg，加入水，混合均匀，捏合成泥料；
（2）将所述泥料静置24小时后，除去上层液体，在模具内辊压成型，脱模，烘干，在氮气条件下以3℃/min的升温速率加热到 920℃，保温4小时，冷却，得到陶瓷净水材料。
将实施例4、5、6和对比例1、2、3制得的陶瓷净水材料进行测试，用于处理COD 为400mg/L的水，浊度去除率可达 95％以上，具体结果请见表1。
表1
测试项目 实施例4 实施例5 实施例6 对比例1 对比例2 对比例3
COD（mg/L） 7 9 8 21 25 32
浊度去除率（%） 99 97 99 87 85 83

Claims (10)

1.一种陶瓷净水材料，其特征在于，由包含以下重量份的组分制成：
硅藻土 75-80份；
壳聚糖 18-25份；
硬脂酸单甘油脂 0.5-0.8份；
纤维素 0.2-0.8份；
复合净水组分 1-2份；
其中，所述复合净水组分由钠基膨润土、玻璃纤维、碳酸钙、竹炭粉、纳米银制得。
2.根据权利要求1所述的陶瓷净水材料，其特征在于，所述纤维素为木质纤维素和羧甲基纤维素钠盐的混合物。
3.根据权利要求2所述的陶瓷净水材料，其特征在于，所述木质纤维素和所述羧甲基纤维素钠盐的质量比为3-6:1-2。
4.根据权利要求1所述的陶瓷净水材料，其特征在于，所述硅藻土平均粒径为15-18微米，孔隙率为93％。
5.根据权利要求1所述的陶瓷净水材料，其特征在于，所述复合净水组分由钠基膨润土80wt%、玻璃纤维8-10wt%、碳酸钙5-8wt%、竹炭粉2-5wt%、纳米银0.1-0.2wt%制得。
6.根据权利要求5所述的陶瓷净水材料，其特征在于，所述复合净水组分由钠基膨润土80wt%、玻璃纤维8-10wt%、碳酸钙5-8wt%、竹炭粉2-5wt%、纳米银0.1-0.2wt%混合均匀后，在680-750℃下加热15-20分钟制得。
7.根据权利要求1所述的陶瓷净水材料的制备方法，其特征在于，包括以下步骤：
1) 称取复合净水组分1-2重量份，加入球磨机研磨8-10分钟，待用；
2)称取硅藻土75-80重量份、壳聚糖18-25重量份、硬脂酸单甘油脂0.5-0.8重量份、纤维素0.2-0.8重量份、研磨后的复合净水组分1-2重量份，加入水，混合均匀，捏合成泥料 ；
3)将所述泥料熟化，在模具内辊压成型，脱模，烘干，烧结，冷却，得到陶瓷净水材料。
8.根据权利要求7所述的陶瓷净水材料的制备方法，其特征在于，所述烧结的具体条件包括在氮气条件下，以3-5℃/min的升温速率加热到 870-920℃，保温4小时。
9.根据权利要求7所述的陶瓷净水材料的制备方法，其特征在于，所述木质纤维素和所述羧甲基纤维素钠盐的质量比为3-6:1-2；所述硅藻土平均粒径为15-18微米，孔隙率为93％。
10.根据权利要求7所述的陶瓷净水材料的制备方法，其特征在于，所述复合净水组分由钠基膨润土80wt%、玻璃纤维8-10wt%、碳酸钙5-8wt%、竹炭粉2-5wt%、纳米银0.1-0.2wt%混合均匀后，在680-750℃下加热15-20分钟制得。
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