CN107445275A - 一种造纸污水处理剂及其制备方法 - Google Patents

一种造纸污水处理剂及其制备方法 Download PDF

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CN107445275A
CN107445275A CN201710804794.0A CN201710804794A CN107445275A CN 107445275 A CN107445275 A CN 107445275A CN 201710804794 A CN201710804794 A CN 201710804794A CN 107445275 A CN107445275 A CN 107445275A
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王丽
李彦
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Anhui Same Industrial Design Co Ltd
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Abstract

本发明属于污水处理领域，具体涉及一种造纸污水处理剂，其包括以下重量份数的原料：果壳粉60‑70份、氯化锌8‑10份、聚合氯化铝10‑15份、聚丙烯酰胺10‑15份、膨润土3‑5份、锌白粉5‑7份、三辛胺5‑8份，该处理剂的制备方法为：按要求称取重量份的各原料，待果壳粉经熟化等预处理后，连同其他原料一并加入到反应釜中，先在65‑75℃条件下预加热混合搅拌2‑3h，然后再升温至100‑110℃，静置保温1‑2h，排出，自然冷却，密封包装。本发明公开的造纸污水处理剂加工方法简单，其可以有效地混凝吸附造纸污水中的悬浮物、无机盐和有机物，提高污水的处理效率。

Description

一种造纸污水处理剂及其制备方法
技术领域
本发明属于污水处理领域，具体涉及一种造纸污水处理剂及其制备方法。
背景技术
造纸工业使用木材、稻草、芦苇、破布等为原料，经高温高压蒸煮而分离出纤维素，制成纸浆。在造纸过程中，最后排出原料中的非纤维素部分成为造纸黑液，造纸黑液中含有木质素、纤维素、挥发性有机酸等，有臭味，若得不到有效处理，则会对环境造成严重污染。
现有技术中，针对造纸污水的处理方法主要是分批次加入混凝剂、絮凝剂等，然后再进行多级沉淀，这些传统方法不仅处理效果欠佳，而且沉淀处理时间长，难以满足废水的处理要求。
发明内容
本发明的第一目的是提供一种原料成本低、使用效果好的造纸污水处理剂。
为实现上述目的，本发明采用的技术方案为：
一种造纸污水处理剂，其包括以下重量份数的原料：果壳粉60-70份、氯化锌8-10份、聚合氯化铝10-15份、聚丙烯酰胺10-15份、膨润土3-5份、锌白粉5-7份、三辛胺5-8份，所述果壳粉是由核桃壳粉、榛子壳粉、夏威夷果壳粉中的一种或一种以上粉碎得到。
上述技术方案产生的有益效果在于：本发明采用果壳粉作为主要原料，加入一定量的氯化锌、聚合氯化铝、聚丙烯酰胺、膨润土、锌白粉和三辛胺，这样制备得到的处理剂可以有效地混凝、吸附造纸污水中的悬浮物、无机盐和有机物，且生成的絮状物相互之间也有一定的吸附作用，在静置环境中会很快团聚沉淀，进入从水中除去，提高废水的处理效率，为造纸企业解决污水处理效率低的难题。
优选的，该处理剂还包括10-12重量份的纤维素酶和5-8重量份的油酸锌，通过纤维素酶和油酸锌的加入，使得处理剂能够更好地吸附污水中的木质素和大分子碳水化合物，提高污水处理效果。
进一步的，该处理剂还包括3-5重量份的硅石粉和5-7重量份的月桂醇醚磷酸酯钾，月桂醇醚磷酸酯钾具有较好的乳化作用，其连同硅石粉一起加入，经混合处理得到的处理剂可以促进造纸污水中的有机小分子物质发生降解，进一步提高造纸污水的净化效果。
进一步的，本发明所述的处理剂是由以下重量份数的原料制备得到：果壳粉66-68份、氯化锌8-10份、聚合氯化铝12-15份、聚丙烯酰胺12-15份、膨润土4-5份、锌白粉5-7份、三辛胺6-8份、纤维素酶11-12份、油酸锌5-6份、硅石粉3-4份、月桂醇醚磷酸酯钾6-7份。采用以上配比关系处理得到的处理剂对污水的处理效果更佳。
最优选的方案是，本发明所述的处理剂是由以下重量份数的原料制备得到：果壳粉66份、氯化锌10份、聚合氯化铝15份、聚丙烯酰胺15份、膨润土5份、锌白粉5份、三辛胺8份、纤维素酶12份、油酸锌6份、硅石粉4份、月桂醇醚磷酸酯钾7份。采用以上具体的配比关系处理得到的处理剂对污水的处理效果最佳。
优选的，所述的果壳粉过100目筛，以保证果壳粉能够很好地域其他组分进行充分混合反应，提高处理剂的应用效果。
本发明的第二个目的是提供一种如上所述的造纸污水处理剂的制备方法，其步骤如下：
1)按照重量份称取各原料，备用；
2)向果壳粉中加入4-6倍质量的浓度为10％的盐酸进行熟化，然后水洗至中性，在70-80℃烘12-15h；
3)将熟化烘干后的果壳粉连同其他原料一并加入到反应釜中，先在65-75℃条件下预加热混合搅拌2-3h，然后再升温至100-110℃，静置保温1-2h，排出，自然冷却，密封包装。
优选的，步骤2)是将熟化烘干后的果壳粉连同其他原料先在75℃条件下预加热混合搅拌3h，然后再升温至110℃，静置保温2h，排出，自然冷却，密封包装。
本发明公开的造纸污水处理剂的使用效果好，且原料易得，加工工艺简单，对工艺设备及参数条件的要求也很低，一般的企业就可以进行规模化生产。
具体实施方式
以下通过实施例1-5对本发明公开的技术方案作进一步的说明。
实施例1：
1)、称取以下重量份的原料：果壳粉66份、氯化锌10份、聚合氯化铝15份、聚丙烯酰胺15份、膨润土5份、锌白粉5份、三辛胺8份、纤维素酶12份、油酸锌6份、硅石粉4份、月桂醇醚磷酸酯钾7份，所述果壳粉是由核桃壳粉、板栗壳粉、榛子壳粉按照1:1:1的质量比混合得到，果壳粉过100目筛；
2)、向步骤1)的果壳粉中加入5倍质量的浓度为10％的盐酸进行熟化，然后水洗至中性，在75℃条件下烘13h；
3)、将步骤2)中的熟化烘干的果壳粉，连同步骤1)称取的除果壳粉之外的其他原料一并加入到反应釜中，先在75℃条件下预加热混合搅拌3h，然后再升温至110℃，静置保温2h，排出，自然冷却，密封包装。
实施例2：
1)、称取以下重量份的原料：果壳粉66份、氯化锌8份、聚合氯化铝12份、聚丙烯酰胺12份、膨润土4份、锌白粉6份、三辛胺7份、纤维素酶12份、油酸锌6份、硅石粉3份、月桂醇醚磷酸酯钾6份，所述果壳粉是由核桃壳粉、板栗壳粉、夏威夷果壳粉按照1:1:1的质量比混合得到，果壳粉过100目筛；
2)、向步骤1)的果壳粉中加入4倍质量的浓度为10％的盐酸进行熟化，然后水洗至中性，在80℃条件下烘12h；
3)、将步骤2)中的熟化烘干的果壳粉，连同步骤1)称取的除果壳粉之外的其他原料一并加入到反应釜中，先在65℃条件下预加热混合搅拌3h，然后再升温至100℃，静置保温2h，排出，自然冷却，密封包装。
实施例3：
1)、称取以下重量份的原料：果壳粉70份、氯化锌8份、聚合氯化铝12份、聚丙烯酰胺15份、膨润土5份、锌白粉57份、三辛胺8份、纤维素酶12份、油酸锌8份、硅石粉5份、月桂醇醚磷酸酯钾7份，所述果壳粉是由核桃壳粉、板栗壳粉按照1:1的质量比混合得到，果壳粉过100目筛；
2)、向步骤1)的果壳粉中加入5倍质量的浓度为10％的盐酸进行熟化，然后水洗至中性，在70℃条件下烘15h；
3)、将步骤2)中的熟化烘干的果壳粉，连同步骤1)称取的除果壳粉之外的其他原料一并加入到反应釜中，先在70℃条件下预加热混合搅拌2h，然后再升温至110℃，静置保温1h，排出，自然冷却，密封包装。
实施例4：
1)、称取以下重量份的原料：果壳粉66份、氯化锌10份、聚合氯化铝15份、聚丙烯酰胺15份、膨润土5份、锌白粉5份、三辛胺8份、纤维素酶12份、油酸锌6份，所述果壳粉是由夏威夷果壳粉、榛子壳粉按照1:1的质量比混合得到，果壳粉过100目筛；
2)、向步骤1)的果壳粉中加入4倍质量的浓度为10％的盐酸进行熟化，然后水洗至中性，在75℃条件下烘14h；
3)、将步骤2)中的熟化烘干的果壳粉，连同步骤1)称取的除果壳粉之外的其他原料一并加入到反应釜中，先在75℃条件下预加热混合搅拌3h，然后再升温至110℃，静置保温2h，排出，自然冷却，密封包装。
实施例5：
1)、称取以下重量份的原料：果壳粉66份、氯化锌10份、聚合氯化铝15份、聚丙烯酰胺15份、膨润土5份、锌白粉5份、三辛胺8份，所述果壳粉是由核桃壳粉、板栗壳粉、榛子壳粉按照1:1:1的质量比混合得到，果壳粉过100目筛；
2)、向步骤1)的果壳粉中加入4倍质量的浓度为10％的盐酸进行熟化，然后水洗至中性，在76℃条件下烘15h；
3)、将步骤2)中的熟化烘干的果壳粉，连同步骤1)称取的除果壳粉之外的其他原料一并加入到反应釜中，先在75℃条件下预加热混合搅拌3h，然后再升温至110℃，静置保温2h，排出，自然冷却，密封包装。
按照1:200的质量比向PH调至7.0的造纸污水中分别投入本发明实施例1-5制备的处理剂，然后在150r/min的搅拌转速条件下进行曝气处理5h，曝气泵的曝气流量为80m3/(h·m3)，然后静置2h，取上层清液进行检测，结果如下表1所示。
表1造纸污水处理结果
从表1中的数据可以看出，采用实施例1-5制备的处理剂使得处理后得到的清水能够满足排放的相关标准。总体上来说，实施例1制备得到的处理剂的污水处理效果最佳；实施例2-3次之；相比而言，实施例4未加硅石粉和月桂醇醚磷酸酯钾，其处理后的清水CODCr值和BOD5值明显要略高于实施例1-3处理后的清水；与实施例4相比，实施例5未加纤维素酶和油酸锌，其处理后的清水CODCr值、BOD5值以及SS含量均要略高于实施例4处理后的清水。

Claims (8)

1.一种造纸污水处理剂，其包括以下重量份数的原料：果壳粉60-70份、氯化锌8-10份、聚合氯化铝10-15份、聚丙烯酰胺10-15份、膨润土3-5份、锌白粉5-7份、三辛胺5-8分份，所述果壳粉是由核桃壳粉、榛子壳粉、夏威夷果壳粉中的一种或一种以上粉碎得到。
2.根据权利要求1所述的造纸污水处理剂，其特征在于：该处理剂还包括10-12重量份的纤维素酶和5-8重量份的油酸锌。
3.根据权利要求2所述的造纸污水处理剂，其特征在于：该处理剂还包括3-5重量份的硅石粉和5-7重量份的月桂醇醚磷酸酯钾。
4.根据权利要求3所述的造纸污水处理剂，其特征在于：该处理剂是由以下重量份数的原料制备得到：果壳粉66-68份、氯化锌8-10份、聚合氯化铝12-15份、聚丙烯酰胺12-15份、膨润土土4-5份、锌白粉5-7份、三辛胺6-8份、纤维素酶11-12份、油酸锌5-6份、硅石粉3-4份、月桂醇醚磷酸酯钾6-7份。
5.根据权利要求4所述的造纸污水处理剂，其特征在于：该处理剂是由以下重量份数的原料制备得到：果壳粉66份、氯化锌10份、聚合氯化铝15份、聚丙烯酰胺15份、膨润土5份、锌白粉5份、三辛胺8份、纤维素酶12份、油酸锌6份、硅石粉4份、月桂醇醚磷酸酯钾7份。
6.根据权利要求5所述的造纸污水处理剂，其特征在于：所述的果壳粉过100目筛。
7.一种如权利要求1-6任一项所属的造纸污水处理剂的制备方法，其步骤如下：
1)按照重量份称取各原料，备用；
2)向果壳粉中加入4-6倍质量的浓度为10％的盐酸进行熟化，然后水洗至中性，在70-80℃烘12-15h；
3)将熟化烘干后的果壳粉连同其他原料一并加入到反应釜中，先在65-75℃条件下预加热混合搅拌2-3h，然后再升温至100-110℃，静置保温1-2h，排出，自然冷却，密封包装。
8.根据权利要求7所述的造纸污水处理剂，其特征在于：步骤3)是将熟化烘干后的果壳粉连同其他原料先在75℃条件下预加热混合搅拌3h，然后再升温至110℃，静置保温2h，排出，自然冷却，密封包装。
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