CN103663641B - 一种用于处理造纸废水的絮凝剂 - Google Patents

一种用于处理造纸废水的絮凝剂 Download PDF

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CN103663641B
CN103663641B CN201310659744.XA CN201310659744A CN103663641B CN 103663641 B CN103663641 B CN 103663641B CN 201310659744 A CN201310659744 A CN 201310659744A CN 103663641 B CN103663641 B CN 103663641B
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CN103663641A (zh
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余苏祥
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Guangdong Gaohang Intellectual Property Operation Co ltd
Zhongshan Yucheng Fruit Cultivation Professional Cooperatives
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Abstract

本发明属于废水处理的技术领域，具体的涉及一种用于处理造纸废水的絮凝剂。该种用于处理造纸废水的絮凝剂，由以下重量份的原料组成：单宁、硫酸亚铁、四乙烯基戊胺、硅藻土、羧甲基纤维素钠。该絮凝剂针对于造纸废水的处理效果良好，不含有铝元素，环保安全。

Description

一种用于处理造纸废水的絮凝剂
技术领域
本发明属于废水处理的技术领域，具体的涉及一种用于处理造纸废水的絮凝剂。
背景技术
随着我国人民经济活动日益频繁，受水土流失、生产及生活污水对水体造成的污染越来越严重，其污染成分包括多种微量有机污染物，重金属离子污染物，还含有较高浓度的大分子天然有机物，单一的絮凝剂已经不能解决问题了，并且随着人们环保意识的增强，对絮凝剂的要求亦越来越高。现有的絮凝剂均含有铝元素，而铝元素对人体是有极大危害的。
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。在生产过程中，最后排出原料中的非纤维素部分成为造纸黑液。黑液中含有木质素、纤维素、挥发性有机酸等，有臭味，污染性很强。制浆产生的造纸废水，污染最为严重。洗浆时排出废水呈黑褐色，称为黑水，黑水中污染物浓度很高，BOD高达5—40g/L，含有大量纤维、无机盐和色素。漂白工序排出的造纸废水也含有大量的酸碱物质。抄纸机排出的造纸废水，称为白水，其中含有大量纤维和在生产过程中添加的填料和胶料。
发明内容
本发明的目的在于针对上述存在的缺陷而提供一种用于处理造纸废水的絮凝剂，该絮凝剂针对于造纸废水的处理效果良好，不含有铝元素，环保安全。
本发明的技术方案为：一种用于处理造纸废水的絮凝剂，由以下重量份的原料组成：
所述用于处理造纸废水的絮凝剂，由以下重量份的原料组成：
所述用于处理造纸废水的絮凝剂，由以下重量份的原料组成：
所述用于处理造纸废水的絮凝剂，由以下重量份的原料组成：
所述用于处理造纸废水的絮凝剂，由以下重量份的原料组成：
本发明的有益效果为：本发明所述絮凝剂具有高效和广谱的特性，其适应水质的pH范围广，pH值在3～12范围内均有良好的效果，絮凝沉淀物紧密，沉降速度快，容易澄清分层，处理后的水中盐分少。
采用本发明所述絮凝剂处理造纸废水，处理后的废水总溶解物浓度为24～26mg/L，总悬浮物为1.5～2.1mg/L，BOD降低了86.2%～88.9%，COD降低了78%～82.3%，污染物去除率为86.45%～89.5%。
具体实施方式
下面通过具体实施例对本发明进行详细的说明。
实施例1
一种用于处理造纸废水的絮凝剂，由以下重量份的原料组成：
采用实施例1所述絮凝剂处理造纸废水，处理后的废水总溶解物浓度为26mg/L，总悬浮物为2.1mg/L，BOD降低了86.2%，COD降低了78%，污染物去除率为86.45%。
实施例2
所述用于处理造纸废水的絮凝剂，由以下重量份的原料组成：
采用实施例2所述絮凝剂处理造纸废水，处理后的废水总溶解物浓度为25.1mg/L，总悬浮物为1.6mg/L，BOD降低了87.3%，COD降低了79.5%，污染物去除率为86.9%。
实施例3
所述用于处理造纸废水的絮凝剂，由以下重量份的原料组成：
采用实例3所述絮凝剂处理造纸废水，处理后的废水总溶解物浓度为24.9mg/L，总悬浮物为1.62mg/L，BOD降低了88%，COD降低了81.6%，污染物去除率为87.8%。
实施例4
所述用于处理造纸废水的絮凝剂，其特征在于，由以下重量份的原料组成：
采用实施例4所述絮凝剂处理造纸废水，处理后的废水总溶解物浓度为24.7mg/L，总悬浮物为1.58mg/L，BOD降低了88.3%，COD降低了80.9%，污染物去除率为88.6%。
实施例5
所述用于处理造纸废水的絮凝剂，由以下重量份的原料组成：
采用实施例5所述絮凝剂处理造纸废水，处理后的废水总溶解物浓度为25.1mg/L，总悬浮物为1.8mg/L，BOD降低了86.95%，COD降低了82.1%，污染物去除率为89%。
实施例6
一种用于处理造纸废水的絮凝剂，由以下重量份的原料组成：
采用实施例6所述絮凝剂处理造纸废水，处理后的废水总溶解物浓度为24mg/L，总悬浮物为1.5mg/L，BOD降低了88.9%，COD降低了82.3%，污染物去除率为89.5%。

Claims (5)

1.一种用于处理造纸废水的絮凝剂，其特征在于，由以下重量份的原料组成：
2.根据权利要求1所述用于处理造纸废水的絮凝剂，其特征在于，由以下重量份的原料组成：
3.根据权利要求1所述用于处理造纸废水的絮凝剂，其特征在于，由以下重量份的原料组成：
4.根据权利要求1所述用于处理造纸废水的絮凝剂，其特征在于，由以下重量份的原料组成：
5.根据权利要求1所述用于处理造纸废水的絮凝剂，其特征在于，由以下重量份的原料组成：
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CN106145222A (zh) * 2016-08-29 2016-11-23 桂林新艺制冷设备有限责任公司 一种造纸污水处理剂
CN106186118A (zh) * 2016-08-29 2016-12-07 桂林新艺制冷设备有限责任公司 一种工业废水处理剂

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1880239A (zh) * 2005-06-15 2006-12-20 中国石油天然气股份有限公司 一种复合絮凝剂的制备方法
CN101342481A (zh) * 2008-08-18 2009-01-14 北京思清源生物科技有限公司 一种高活性除磷的铁-单宁酸吸附剂制备方法及其应用
CN101397158A (zh) * 2007-09-28 2009-04-01 财团法人生物技术开发中心 三组分混凝剂配制物

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1880239A (zh) * 2005-06-15 2006-12-20 中国石油天然气股份有限公司 一种复合絮凝剂的制备方法
CN101397158A (zh) * 2007-09-28 2009-04-01 财团法人生物技术开发中心 三组分混凝剂配制物
CN101342481A (zh) * 2008-08-18 2009-01-14 北京思清源生物科技有限公司 一种高活性除磷的铁-单宁酸吸附剂制备方法及其应用

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