CN107352656B - 一种铝合金工业废水处理方法 - Google Patents

一种铝合金工业废水处理方法 Download PDF

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CN107352656B
CN107352656B CN201710226610.7A CN201710226610A CN107352656B CN 107352656 B CN107352656 B CN 107352656B CN 201710226610 A CN201710226610 A CN 201710226610A CN 107352656 B CN107352656 B CN 107352656B
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刘祎
刘慧�
宁宇宸
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CHONGQING SHUNDUOLI MOTOR-VEHICLE CO LTD
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    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Abstract

本方法公开了一种铝合金工业废水处理方法,其首创性的提出了使用酸碱清洗过的贝壳作为趋磁性细菌的培养基以及石墨烯片的承载体,即提供了一种承载子用以承载吸附重金属,将承载子与铝合金工业废水混合后充分进行重金属的吸附后进行磁场分离,经实验对比该方法比没有承载子的该类处理方法效率要高。

Description

一种铝合金工业废水处理方法
技术领域
本发明涉及工业废水的回收净化处理技术领域,尤其指一种铝合金阳极氧化废水处理方法。
背景技术
铝合金是一种应用普遍的材料,但其生产过程不可避免的产生污染环境的物质,其对水源、土壤的危害很大。尤其是铝合金工业废水中富含的镍离子等金属离子尤其是重金属离子,靠过去的工艺不容易去除,而如果不能充分彻底的去除,其排放会造成非常严重的环境影响,甚至造成排放区域的癌症高发。
而近年的研究发现,使用趋磁性细菌对重金属进行吸附,能够达到极高的回收效率,可以用于工业重金属的回收。
因此发明人做出了本发明,即提供了一种极具创造性的铝合金工业废水处理方法。本方法首创性的提出了使用酸碱清洗过的贝壳作为趋磁性细菌的培养基以及石墨烯片的承载体,即提供了一种承载子用以承载吸附重金属,将承载子与铝合金工业废水混合后充分进行重金属的吸附后进行磁场分离,经实验对比该方法比没有承载子的该类处理方法效率要高。
发明内容
本发明一方面提供了一种铝合金工业废水处理方法,所述方法包括,
1)将改性石墨烯片与趋磁细菌承载子加入铝合金阳极氧化废水中,
2)在搅拌槽经搅拌后,
3)再经由磁场将所述改性石墨烯片与趋磁细菌承载子分离出来,实现所述铝合金阳极氧化废水的净化。
优选地,所述改性石墨烯片表面具有的活性基团选自羧基、环氧基、羟基、巯基、氨基、聚乙二醇;所述趋磁细菌为磁螺菌AMB-1。
优选地,所述改性石墨烯片与趋磁细菌承载子通过如下方法制备:将贝壳经过酸洗、碱洗和碾碎后得到趋磁细菌培养基,在所述趋磁细菌培养基上培育趋磁细菌,然后在液相体系中与所述改性石墨烯片进行充分混合,即得到所述改性石墨烯片与趋磁细菌承载子。
优选地,所述步骤2)中的搅拌使用超声波搅拌。
优选地,所述步骤2)中的搅拌使用机械搅拌。
优选地,所述步骤2)中的搅拌使用电磁搅拌。
优选地,所述电磁搅拌为,在所述搅拌槽底部或顶部伸入的三根搅拌电极,并在所述三根搅拌电极上连接三相交流电,以在搅拌槽内形成旋转的磁场使得其中的液体产生连续的旋转。
优选地,所述电磁搅拌还包括按照一定周期切换开关切换三根搅拌电极连接的三相电的相序,使得所述旋转周期性的改变反向,增强搅拌效果。
优选地,所述步骤3)之后还包括使用过滤器进行过滤的步骤。
附图说明
图1为现有技术中的铝合金工业废水处理工艺。
图2为本发明的铝合金工业废水处理流程示意图。
具体实施方式
以下将结合附图和实施例对本发明做进一步的详细说明。
实施例一。
本实施例的铝合金工业废水处理方法包括,
1)将改性石墨烯片与趋磁细菌承载子加入铝合金阳极氧化废水中,
2)在搅拌槽经搅拌后,
3)再经由磁场将所述改性石墨烯片与趋磁细菌承载子分离出来,实现所述铝合金阳极氧化废水的净化。
所述改性石墨烯片表面具有的活性基团选自羧基、环氧基、羟基、巯基、氨基、聚乙二醇的一种或者多种;所述趋磁细菌为磁螺菌AMB-1或者其他的菌种。
所述改性石墨烯片与趋磁细菌承载子通过如下方法制备:将贝壳经过酸洗、碱洗和碾碎后得到趋磁细菌培养基,在所述趋磁细菌培养基上培育趋磁细菌,然后在液相体系中与所述改性石墨烯片进行充分混合,即得到所述改性石墨烯片与趋磁细菌承载子。经过以上步骤处理后的贝壳实际成分为壳聚糖,并且其天然的具备较大的表面积,适合作为细菌的培养基,并且由于具备较大的表面积而适合与石墨烯片进行混合。
其中的步骤2使用一种电磁搅拌技术,即在所述搅拌槽底部或顶部伸入的三根搅拌电极,并在所述三根搅拌电极上连接三相交流电,以在搅拌槽内形成旋转的磁场使得其中的液体产生连续的旋转。
优选地,所述电磁搅拌还包括按照一定周期切换开关切换三根搅拌电极连接的三相电的相序,使得所述旋转周期性的改变反向,增强搅拌效果。
当然,在所述步骤3)之后还可以包括使用过滤器进行过滤的步骤,但该步骤的使用可以视情况而采选。
实施例二。
本实施例的方法包括,
1)将趋磁细菌承载子加入铝合金阳极氧化废水中,所述趋磁细菌为磁螺菌AMB-1。
2)在搅拌槽经超声波搅拌或者机械搅拌后,
3)再经由磁场将所述改性趋磁细菌承载子分离出来,实现所述铝合金阳极氧化废水的净化。
所述趋磁细菌承载子通过如下方法制备:将贝壳经过酸洗、碱洗和碾碎后得到趋磁细菌培养基,在所述趋磁细菌培养基上培育趋磁细菌,即得到所述趋磁细菌承载子。

Claims (1)

1.一种铝合金工业废水处理方法,包括,
1)将改性石墨烯片与趋磁细菌承载子加入铝合金阳极氧化废水中,
2)在搅拌槽经搅拌后,
3)再经由磁场将所述改性石墨烯片与趋磁细菌承载子分离出来,实现所述铝合金阳极氧化废水的净化;
所述改性石墨烯片表面具有的活性基团选自羧基、环氧基、羟基、巯基、氨基、聚乙二醇的一种或者多种;所述趋磁细菌为磁螺菌AMB-1;
其特征在于,
所述改性石墨烯片与趋磁细菌承载子通过如下方法制备:将贝壳经过酸洗、碱洗和碾碎后得到趋磁细菌培养基,在所述趋磁细菌培养基上培育趋磁细菌,然后在液相体系中与所述改性石墨烯片进行充分混合,即得到所述改性石墨烯片与趋磁细菌承载子;
其中的步骤2)中的搅拌为电磁搅拌,所述电磁搅拌为在所述搅拌槽底部或顶部伸入的三根搅拌电极,并在所述三根搅拌电极上连接三相交流电,以在搅拌槽内形成旋转的磁场使得其中的液体产生连续的旋转;所述电磁搅拌还包括按照一定周期切换开关切换三根搅拌电极连接的三相电的相序,使得所述旋转周期性地 改变方向,增强搅拌效果。
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CN1341079A (zh) * 1999-02-19 2002-03-20 科学技术振兴事业团 适于废水处理用磁性污泥及其制造方法和废水处理方法
CN102417214A (zh) * 2011-10-21 2012-04-18 中国科学院苏州纳米技术与纳米仿生研究所 利用石墨烯片与趋磁细菌三维复合物吸附重金属的方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1341079A (zh) * 1999-02-19 2002-03-20 科学技术振兴事业团 适于废水处理用磁性污泥及其制造方法和废水处理方法
CN102417214A (zh) * 2011-10-21 2012-04-18 中国科学院苏州纳米技术与纳米仿生研究所 利用石墨烯片与趋磁细菌三维复合物吸附重金属的方法

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