CN1458086A - 废水处理新工艺 - Google Patents

废水处理新工艺 Download PDF

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Publication number
CN1458086A
CN1458086A CN 02110410 CN02110410A CN1458086A CN 1458086 A CN1458086 A CN 1458086A CN 02110410 CN02110410 CN 02110410 CN 02110410 A CN02110410 A CN 02110410A CN 1458086 A CN1458086 A CN 1458086A
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filtration
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water treating
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CN1215995C (zh
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吕兆军
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NISHIHARA ENVIRONMENTAL PROTECTION ENGINEERING (SHANGHAI)CO Ltd
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Abstract

一种废水处理新工艺。属于废水处理技术领域，特点是在调节pH值之前在废水中加普通土先行吸附，过滤后调节pH值，经絮凝沉淀、氧化絮凝沉淀、过滤后，采用装有不同粒径玉米芯(或秸秆)稻壳的装置多做吸附后获得达标水。该工艺采用普通土、玉米芯、稻壳可就地取材，原料充足，加工制作简便、成本比传统工艺降低成10％。且处理废水效果显著高于传统工艺。

Description

废水处理新工艺
本发明属于废水处理技术领域。
与本发明相近的已有技术是引进韩国HK21世纪环保株式会社废水处理工艺，该工艺流程为：废水→调节PH值→絮凝沉淀→过滤→氧化絮凝沉淀→过滤→吸附→达标处理水。以上工艺与国内废水处理常规工艺大致相同，加酸碱调节PH值，絮凝沉淀加PAC或PAM，氧化絮凝加氧化剂，吸附通过装有膨润土，硅藻土木屑的装置，该工艺膨润土、硅藻土，成本高，再生时需专用药剂，再生处理比较麻烦，木屑需要专门木材厂加工提供，成本也较高，且吸附效果较差。
本发明的任务是提供一种采用普通土和玉米芯(或桔杆)、稻壳为吸附剂的废水处理新工艺。
该废水处理新工艺，调节PH值，絮凝沉淀，氧化絮凝沉淀几个环节与已有技术相同，特点是在调节PH值之前在废水中加普通土先行吸附，过滤后调节PH值，经絮凝沉淀、氧化絮凝沉淀、过滤后，采用装有不同粒径玉米芯(或秸杆)稻壳的装置多级吸附后获得达标水，其工艺如下：
废水→加土吸附→过滤→调节PH值→絮凝沉淀→过滤→氧化絮凝沉淀→过滤→吸附(玉米芯或稻壳)→达标处理水
采用该工艺，废水经土吸附后一部分有机物杂质被吸附沉淀，过滤后调节PH值，加PAC或PAM进行絮凝沉淀过滤后加氧化剂再进行氧化絮凝沉淀，再过滤后通过装有玉米芯或稻壳的装置再进行多级吸附，最后获得达标排放水。采用该工艺普通土、玉米芯、稻壳可就地取材，原料充足，加工制作简便、成本比传统工艺降低成本10％。且处理废水效果显著高于传统工艺。
实施例：
将普通土粉碎加工成粒径0.1-2mm细土直接撒入废水中搅拌吸附，用粉碎机将玉米芯(或秸杆)加工成粒径1-3mm三种规格的吸附材料，分别按粒径由大到小装入多级吸附装置，可交叉装入稻壳。与氧化絮凝工序衔接，构成新的废水处理工艺。

Claims (1)

  1. 一种废水处理新工艺，其调节PH值，絮凝沉淀、氧化絮凝沉淀几个环节与已有技术相同，其特征在于在调节PH值之前在废水中加普通土先行吸附、过滤后调节PH值，经絮凝沉淀、氧化絮凝沉淀、过滤后采用装有不同粒径的玉米芯(或秸杆)、稻壳的装置进行多级吸附后，获得达标排放水、其工艺如下：
    废水→加土吸附→过滤→调节PH值→絮凝沉淀→过滤→氧化絮凝沉淀→过滤→吸附(玉米芯或稻壳)→达标水
CN 02110410 2002-05-17 2002-05-17 废水处理新工艺 Expired - Fee Related CN1215995C (zh)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102121239A (zh) * 2010-05-24 2011-07-13 曾民先 一种大面积收污、治污的方法
CN102145959A (zh) * 2011-02-17 2011-08-10 镇江市环境科学研究所 农村生活污水处理装置
CN103232122A (zh) * 2013-04-25 2013-08-07 合肥锦泰糖业有限公司 一种洗米废水的处理方法
CN103599754A (zh) * 2013-12-13 2014-02-26 东华大学 一种处理含铅废水的生物质吸附剂及其制备和应用
CN106467337A (zh) * 2015-08-19 2017-03-01 宝山钢铁股份有限公司 不锈钢低浓度酸性废水的处理系统及方法
CN109626645A (zh) * 2018-12-28 2019-04-16 郑州幼儿师范高等专科学校 一种化工废水处理工艺
CN111203027A (zh) * 2020-01-13 2020-05-29 许洁 一种环保有机肥料污水过滤装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100457640C (zh) * 2006-06-28 2009-02-04 尹军 一种受污染地下水的组合处理方法

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102121239A (zh) * 2010-05-24 2011-07-13 曾民先 一种大面积收污、治污的方法
CN102145959A (zh) * 2011-02-17 2011-08-10 镇江市环境科学研究所 农村生活污水处理装置
CN103232122A (zh) * 2013-04-25 2013-08-07 合肥锦泰糖业有限公司 一种洗米废水的处理方法
CN103232122B (zh) * 2013-04-25 2015-04-01 合肥锦泰糖业有限公司 一种洗米废水的处理方法
CN103599754A (zh) * 2013-12-13 2014-02-26 东华大学 一种处理含铅废水的生物质吸附剂及其制备和应用
CN103599754B (zh) * 2013-12-13 2015-10-28 东华大学 一种处理含铅废水的生物质吸附剂及其制备和应用
CN106467337A (zh) * 2015-08-19 2017-03-01 宝山钢铁股份有限公司 不锈钢低浓度酸性废水的处理系统及方法
CN109626645A (zh) * 2018-12-28 2019-04-16 郑州幼儿师范高等专科学校 一种化工废水处理工艺
CN111203027A (zh) * 2020-01-13 2020-05-29 许洁 一种环保有机肥料污水过滤装置

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