CN106145538A - 一种锌镍合金废水处理工艺 - Google Patents

一种锌镍合金废水处理工艺 Download PDF

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Publication number
CN106145538A
CN106145538A CN201610673932.1A CN201610673932A CN106145538A CN 106145538 A CN106145538 A CN 106145538A CN 201610673932 A CN201610673932 A CN 201610673932A CN 106145538 A CN106145538 A CN 106145538A
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add
waste water
supernatant
admiro
pond
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Pending
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CN201610673932.1A
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王伟国
宋汉岐
沈寅恪
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Changzhou Guangyu Lantian Surface Technology Development Co Ltd
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Changzhou Guangyu Lantian Surface Technology Development Co Ltd
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Priority to CN201610673932.1A priority Critical patent/CN106145538A/zh
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56Macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/74Treatment of water, waste water, or sewage by oxidation with air
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes

Abstract

本发明涉及工业水处理技术领域,具体涉及一种锌镍合金废水处理工艺;它的具体步骤如下:1,将锌镍合金废水收集至处理池;2,用盐酸调废水PH至2.5;3,加入1g/L(有效氯含量在35%)次氯酸钙;4,曝气反应1h;5,加氢氧化钙和硫化钠水溶液调节PH至10以上;6,加入絮凝剂PAM沉淀;7,取上清液至另一处理池;8,用盐酸调节上清液PH至2.5;9,在上清液中加入重金属捕捉剂M3;10,曝气反应1h;11,加入333mg/L活性炭;12,曝气反应15分钟;13,加入氢氧化钙和硫化钠水溶液调节PH至11;14,加入絮凝剂PAC和PAM沉淀;15,取经过步骤14后的上清液进行生物厌氧好氧反应池降解COD;本发明一种锌镍合金废水处理工艺,它能降低50%的重金属捕捉剂M3使用量,处理效果更好,处理后水质更清澈,降低了40%的处理成本。

Description

一种锌镍合金废水处理工艺
技术领域
[0001 ]本发明涉及工业水处理技术领域,具体涉及一种锌镍合金废水处理工艺。
背景技术
[0002]锌镍合金废水经过处理后才能被排放,否则会造成严重的环境污染;然而现有的处理工艺存在诸多缺点,现有处理工艺使用的金属捕捉剂M3量大,且处理后废水中各项重金属比例偏高,处理效果不够好,水质不够清澈,成本高。
发明内容
[0003]本发明的目的在于针对现有技术的缺陷和不足,提供一种简单,合理,方便的一种锌镍合金废水处理工艺,它的具体步骤如下:I,将锌镍合金废水收集至处理池;2,用盐酸调废水PH至2.5; 3,加入lg/L(有效氯含量在35% )次氯酸钙;4,曝气反应Ih; 5,加氢氧化钙和硫化钠水溶液调节PH至10以上;6,加入絮凝剂PAM沉淀;7,取上清液至另一处理池;8,用盐酸调节上清液PH至2.5; 9,在上清液中加入重金属捕捉剂M3; 10,曝气反应Ih; 11,加入333mg/L活性炭;12,曝气反应15分钟;13,加入氢氧化钙和硫化钠水溶液调节PH至11; 14,加入絮凝剂PAC和PAM沉淀;15,取经过步骤14后的上清液进行生物厌氧好氧反应池降解C0D。
[0004]采用上述工艺后,本发明有益效果为:本发明所述的一种锌镍合金废水处理工艺,它能降低50%的重金属捕捉剂M3使用量,处理效果更好,处理后水质更清澈,降低了 40%的处理成本。
具体实施方式
[0005]以下说明仅用来解释本发明,但并不作为对本发明的限定。
[0006]本具体实施方式所述的一种锌镍合金废水处理工艺,它的具体步骤如下:I,将锌镍合金废水收集至处理池;2,用盐酸调废水PH至2.5; 3,加入lg/L(有效氯含量在35% )次氯酸钙;4,曝气反应Ih; 5,加氢氧化钙和硫化钠水溶液调节PH至10以上;6,加入絮凝剂PAM沉淀;7,取上清液至另一处理池;8,用盐酸调节上清液PH至2.5; 9,在上清液中加入重金属捕捉剂M3 ; 10,曝气反应Ih; 11,加入333mg/L活性炭;12,曝气反应15分钟;13,加入氢氧化钙和硫化钠水溶液调节PH至11; 14,加入絮凝剂PAC和PAM沉淀;15,取经过步骤14后的上清液进行生物厌氧好氧反应池降解C0D。
[0007]采用上述工艺后,本发明有益效果为:本发明所述的一种锌镍合金废水处理工艺,它能降低50%的重金属捕捉剂M3使用量,处理效果更好,处理后水质更清澈,降低了 40%的处理成本。
[0008]以上所述仅是本发明的较佳实施方式,故凡依本发明专利申请范围所述的构造、特征及原理所做的等效变化或修饰,均包括于本发明专利申请范围内。

Claims (1)

1.一种锌镍合金废水处理工艺,其特征在于:它的具体步骤如下:I,将锌镍合金废水收集至处理池;2,用盐酸调废水PH至2.5; 3,加入lg/L(有效氯含量在35% )次氯酸钙;4,曝气反应Ih; 5,加氢氧化钙和硫化钠水溶液调节PH至10以上;6,加入絮凝剂PAM沉淀;7,取上清液至另一处理池;8,用盐酸调节上清液PH至2.5; 9,在上清液中加入重金属捕捉剂M3; 10,曝气反应Ih; 11,加入333mg/L活性炭;12,曝气反应15分钟;13,加入氢氧化钙和硫化钠水溶液调节PH至11; 14,加入絮凝剂PAC和PAM沉淀;15,取经过步骤14后的上清液进行生物厌氧好氧反应池降解COD。
CN201610673932.1A 2016-08-12 2016-08-12 一种锌镍合金废水处理工艺 Pending CN106145538A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108249694A (zh) * 2017-12-29 2018-07-06 宁波市建通环保科技有限公司 一种重金属污染河道的生态治理方法
CN109437446A (zh) * 2018-10-19 2019-03-08 浙江海拓环境技术有限公司 一种锌-镍合金电镀废水处理工艺

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6412699A (en) * 1998-10-05 2000-04-26 Merck & Co., Inc. Method for treating metal contaminated water
CN101088936A (zh) * 2007-07-11 2007-12-19 浙江大学 一种处理含络合金属废水的方法和装置
CN102040313A (zh) * 2010-09-27 2011-05-04 常熟市福亿印花炼染有限公司 一种高浓度印染废水处理工艺
US8147702B2 (en) * 2011-04-21 2012-04-03 King Abdulaziz City for Science and Technology (KACST) Method of making and using adsorbent to remove heavy metal from waste water
CN205347054U (zh) * 2015-12-28 2016-06-29 南京源泉环保科技股份有限公司 一种碱性锌镍合金废水达标排放处理设备
CN105800821A (zh) * 2014-12-30 2016-07-27 上海轻工业研究所有限公司 锌镍合金废水的达标处理方法和设备

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6412699A (en) * 1998-10-05 2000-04-26 Merck & Co., Inc. Method for treating metal contaminated water
CN101088936A (zh) * 2007-07-11 2007-12-19 浙江大学 一种处理含络合金属废水的方法和装置
CN102040313A (zh) * 2010-09-27 2011-05-04 常熟市福亿印花炼染有限公司 一种高浓度印染废水处理工艺
US8147702B2 (en) * 2011-04-21 2012-04-03 King Abdulaziz City for Science and Technology (KACST) Method of making and using adsorbent to remove heavy metal from waste water
CN105800821A (zh) * 2014-12-30 2016-07-27 上海轻工业研究所有限公司 锌镍合金废水的达标处理方法和设备
CN205347054U (zh) * 2015-12-28 2016-06-29 南京源泉环保科技股份有限公司 一种碱性锌镍合金废水达标排放处理设备

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108249694A (zh) * 2017-12-29 2018-07-06 宁波市建通环保科技有限公司 一种重金属污染河道的生态治理方法
CN109437446A (zh) * 2018-10-19 2019-03-08 浙江海拓环境技术有限公司 一种锌-镍合金电镀废水处理工艺

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