CN106277500B - 一种含锰废水的处理方法 - Google Patents

一种含锰废水的处理方法 Download PDF

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CN106277500B
CN106277500B CN201610737812.3A CN201610737812A CN106277500B CN 106277500 B CN106277500 B CN 106277500B CN 201610737812 A CN201610737812 A CN 201610737812A CN 106277500 B CN106277500 B CN 106277500B
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肖军
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Guizhou Tongren Hecheng Manganese Alloy Co.,Ltd.
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Abstract

本发明公开了一种含锰废水的处理方法，该方法包括：吸附、照射、二次吸附、混凝排放。本发明采用了两次吸附法，有效的将锰矿废水中的大量有害物质吸出，并且配合紫外线的处理，进一步的对废水进行了消毒，本发明采用的自制净化材料具有极强的吸附、净化效果，且处理方法简单，效果明显，最后再配合高效的絮凝剂，与净化材料起到了相互弥补、提高效率的作用。

Description

一种含锰废水的处理方法
技术领域
本发明涉及废水处理技术领域，具体涉及一种含锰废水的处理方法。
背景技术
锰矿的开采会产生大量的锰矿废水，锰矿废水在长期的排放过程中会降低排水管的通水能力，在管道能产生大量的沉淀，严重时还会造成管道破裂，而且含锰的废水如果进入到我们正常的生活饮用水中，还会造成慢性中毒危害人体健康，但我国锰矿资源相对缺乏，富矿较少，在大量锰矿的开发和深加工过程中由于设备和处理技术等各方面的制约，使我国的含锰废料和含锰废水污染较为严重，锰矿石矿井水污染可分为矿物污染、有机物污染和细菌污染。在有些矿山中还存在放射性物质污染和热污染。矿物污染有砂、泥颗粒、矿物杂质、粉尘、溶解质、酸和碱等；有机物污染有油脂、生物代谢产物、木材及其他物质的氧化分解产物。细菌污染主要是受开采、运输过程中散落的岩粉、矿粉及伴生矿物的污染。锰矿石矿井水的一大特点是锰离子含量高，矿井水中的锰是由岩石和矿物中锰的氧化物、硫化物、碳酸盐及硅酸盐等溶解于水所致。氧化过程中锰迁移于水中生成Mn2﹢，因此矿井水中锰主要以Mn2﹢形式存在。矿山开采过程中，从井下排出大量废水废石，污染了河流，占用了大量农田、山林、草场，破坏了生态平衡，由此可见锰矿废水如果处理不当就会造成严重的环境污染，为此本发明人通过大量的实验和研究，提供了一种含锰废水的处理方法。
发明内容
为解决上述技术问题，本发明提供了一种含锰废水的处理方法。
本发明是通过以下技术方案予以实现的：
一种含锰废水的处理方法，该方法包括以下步骤：
a、吸附：将锰矿废水导入沉淀池中，向锰矿废水中加入净化材料，静置处理3-5h；
b、照射：静置处理完成后，取出废水的上清液进行紫外线照射处理，然后再加入强氧化剂，按照规定的线速度搅拌5-8min；
c、二次吸附：向照射处理完成的上清液中继续加入净化材料，处理2-4h；
d、混凝排放：向二次吸附完成的上清液中加入絮凝剂，搅拌反应5-8min后静置1h分离排放即可。
所述步骤a中的净化材料由以下重量份原料制成：膨润土15-25份、硅藻土10-18份、氧化石墨烯8-14份、方解石8-14份、石英砂10-14份、沸石9-15份、明胶12-16份。
所述净化材料的制备方法为：将方解石与沸石放入粉碎机中，粉碎至200-300目，然后与膨润土、硅藻土、氧化石墨烯、石英砂混合得到混合料，将得到的混合料与水按照质量比为1：1的比例混合后加入明胶继续搅拌均匀，随后加入醋酸调节pH为5.5-6.5，然后放入模具中静置交联，反应完成后经过干燥得到净化材料成品。
所述步骤b中紫外线照射处理的时间为10-12min，照射距离为24-30cm。
所述步骤b中的强氧化剂为高锰酸钾。
所述步骤b中的搅拌线速度控制为8-10m/s。
所述步骤d中的絮凝剂为聚硅酸铁。
本发明的有益效果在于：本发明采用了两次吸附法，有效的将锰矿废水中的大量有害物质吸出，并且配合紫外线的处理，进一步的对废水进行了消毒，本发明采用的自制净化材料具有极强的吸附、净化效果，且处理方法简单，效果明显，最后再配合高效的絮凝剂，与净化材料起到了相互弥补、提高效率的作用。
具体实施方式
以下结合具体实施例对本发明的技术方案作进一步描述，但要求保护的范围并不局限于所述。
实施例一
一种含锰废水的处理方法，该方法包括以下步骤：
a、吸附：将锰矿废水导入沉淀池中，向锰矿废水中加入净化材料，静置处理3h；
b、照射：静置处理完成后，取出废水的上清液进行紫外线照射处理，处理的时间为10min，照射距离为24cm，然后再加入高锰酸钾，按照搅拌线速度控制为8m/s搅拌5min；
c、二次吸附：向照射处理完成的上清液中继续加入净化材料，处理2h；
d、混凝排放：向二次吸附完成的上清液中加入聚硅酸铁，搅拌反应5min后静置1h分离排放即可。
净化材料由以下重量份原料制成：膨润土15份、硅藻土10份、氧化石墨烯8份、方解石8份、石英砂10份、沸石9份、明胶12份。
净化材料的制备方法：将方解石与沸石放入粉碎机中，粉碎至200目，然后与膨润土、硅藻土、氧化石墨烯、石英砂混合得到混合料，将得到的混合料与水按照质量比为1：1的比例混合后加入明胶继续搅拌均匀，随后加入醋酸调节pH为5.5，然后放入模具中静置交联，反应完成后经过干燥得到净化材料成品。
实施例二
a、吸附：将锰矿废水导入沉淀池中，向锰矿废水中加入净化材料，静置处理5h；
b、照射：静置处理完成后，取出废水的上清液进行紫外线照射处理，处理的时间为12min，照射距离为30cm，然后再加入高锰酸钾，按照搅拌线速度控制为10m/s搅拌8min；
c、二次吸附：向照射处理完成的上清液中继续加入净化材料，处理4h；
d、混凝排放：向二次吸附完成的上清液中加入聚硅酸铁，搅拌反应8min后静置1h分离排放即可。
净化材料由以下重量份原料制成：膨润土25份、硅藻土18份、氧化石墨烯14份、方解石14份、石英砂14份、沸石15份、明胶16份。
净化材料的制备方法：将方解石与沸石放入粉碎机中，粉碎至300目，然后与膨润土、硅藻土、氧化石墨烯、石英砂混合得到混合料，将得到的混合料与水按照质量比为1：1的比例混合后加入明胶继续搅拌均匀，随后加入醋酸调节pH为6.5，然后放入模具中静置交联，反应完成后经过干燥得到净化材料成品。
实施例三
a、吸附：将锰矿废水导入沉淀池中，向锰矿废水中加入净化材料，静置处理3h；
b、照射：静置处理完成后，取出废水的上清液进行紫外线照射处理，处理的时间为10min，照射距离为24cm，然后再加入高锰酸钾，按照搅拌线速度控制为8m/s搅拌5min；
c、二次吸附：向照射处理完成的上清液中继续加入净化材料，处理2h；
d、混凝排放：向二次吸附完成的上清液中加入聚硅酸铁，搅拌反应5min后静置1h分离排放即可。
净化材料由以下重量份原料制成：膨润土17份、硅藻土12份、氧化石墨烯10份、方解石10份、石英砂11份、沸石11份、明胶13份。
净化材料的制备方法：将方解石与沸石放入粉碎机中，粉碎至200目，然后与膨润土、硅藻土、氧化石墨烯、石英砂混合得到混合料，将得到的混合料与水按照质量比为1：1的比例混合后加入明胶继续搅拌均匀，随后加入醋酸调节pH为5.5，然后放入模具中静置交联，反应完成后经过干燥得到净化材料成品。
实施例四
a、吸附：将锰矿废水导入沉淀池中，向锰矿废水中加入净化材料，静置处理5h；
b、照射：静置处理完成后，取出废水的上清液进行紫外线照射处理，处理的时间为12min，照射距离为30cm，然后再加入高锰酸钾，按照搅拌线速度控制为10m/s搅拌8min；
c、二次吸附：向照射处理完成的上清液中继续加入净化材料，处理4h；
d、混凝排放：向二次吸附完成的上清液中加入聚硅酸铁，搅拌反应8min后静置1h分离排放即可。
净化材料由以下重量份原料制成：膨润土23份、硅藻土16份、氧化石墨烯12份、方解石12份、石英砂12份、沸石13份、明胶15份。
净化材料的制备方法：将方解石与沸石放入粉碎机中，粉碎至300目，然后与膨润土、硅藻土、氧化石墨烯、石英砂混合得到混合料，将得到的混合料与水按照质量比为1：1的比例混合后加入明胶继续搅拌均匀，随后加入醋酸调节pH为6.5，然后放入模具中静置交联，反应完成后经过干燥得到净化材料成品。
实施例五
a、吸附：将锰矿废水导入沉淀池中，向锰矿废水中加入净化材料，静置处理4h；
b、照射：静置处理完成后，取出废水的上清液进行紫外线照射处理，处理的时间为11min，照射距离为27cm，然后再加入高锰酸钾，按照搅拌线速度控制为9m/s搅拌6.5min；
c、二次吸附：向照射处理完成的上清液中继续加入净化材料，处理3h；
d、混凝排放：向二次吸附完成的上清液中加入聚硅酸铁，搅拌反应6.5min后静置1h分离排放即可。
净化材料由以下重量份原料制成：膨润土20份、硅藻土14份、氧化石墨烯11份、方解石11份、石英砂12份、沸石12份、明胶14份。
净化材料的制备方法：将方解石与沸石放入粉碎机中，粉碎至250目，然后与膨润土、硅藻土、氧化石墨烯、石英砂混合得到混合料，将得到的混合料与水按照质量比为1：1的比例混合后加入明胶继续搅拌均匀，随后加入醋酸调节pH为6，然后放入模具中静置交联，反应完成后经过干燥得到净化材料成品。

Claims (6)

1.一种含锰废水的处理方法，其特征在于：该方法包括以下步骤：
a、吸附：将锰矿废水导入沉淀池中，向锰矿废水中加入净化材料，静置处理3-5h；
b、照射：静置处理完成后，取出废水的上清液进行紫外线照射处理，然后再加入强氧化剂，按照规定的线速度搅拌5-8min；
c、二次吸附：向照射处理完成的上清液中继续加入净化材料，处理2-4h；
d、混凝排放：向二次吸附完成的上清液中加入絮凝剂，搅拌反应5-8min后静置1h分离排放即可；
所述净化材料由以下重量份原料制成：膨润土15-25份、硅藻土10-18份、氧化石墨烯8-14份、方解石8-14份、石英砂10-14份、沸石9-15份、明胶12-16份。
2.根据权利要求1所述的含锰废水的处理方法，其特征在于：所述净化材料的制备方法为：将方解石与沸石放入粉碎机中，粉碎至200-300目，然后与膨润土、硅藻土、氧化石墨烯、石英砂混合得到混合料，将得到的混合料与水按照质量比为1：1的比例混合后加入明胶继续搅拌均匀，随后加入醋酸调节pH为5.5-6.5，然后放入模具中静置交联，反应完成后经过干燥得到净化材料成品。
3.根据权利要求1所述的含锰废水的处理方法，其特征在于：所述步骤b中紫外线照射处理的时间为10-12min，照射距离为24-30cm。
4.根据权利要求1所述的含锰废水的处理方法，其特征在于：所述步骤b中的强氧化剂为高锰酸钾。
5.根据权利要求1所述的含锰废水的处理方法，其特征在于：所述步骤b中的搅拌线速度控制为8-10m/s。
6.根据权利要求1所述的含锰废水的处理方法，其特征在于：所述步骤d中的絮凝剂为聚硅酸铁。
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Publication number Priority date Publication date Assignee Title
CN101428928A (zh) * 2008-12-09 2009-05-13 中南大学 含锰废水生物制剂处理方法
CN104275164A (zh) * 2014-09-29 2015-01-14 镇江华域环保设备制造有限公司 一种废水处理用氧化石墨烯多孔复合材料及其制备方法
CN105236637A (zh) * 2015-10-10 2016-01-13 贵州万山兴隆锰业有限公司 一种锰矿废水的综合处理方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101428928A (zh) * 2008-12-09 2009-05-13 中南大学 含锰废水生物制剂处理方法
CN104275164A (zh) * 2014-09-29 2015-01-14 镇江华域环保设备制造有限公司 一种废水处理用氧化石墨烯多孔复合材料及其制备方法
CN105236637A (zh) * 2015-10-10 2016-01-13 贵州万山兴隆锰业有限公司 一种锰矿废水的综合处理方法

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