CN106241986A - 一种新型源水氨氮去除剂 - Google Patents

一种新型源水氨氮去除剂 Download PDF

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CN106241986A
CN106241986A CN201610709394.7A CN201610709394A CN106241986A CN 106241986 A CN106241986 A CN 106241986A CN 201610709394 A CN201610709394 A CN 201610709394A CN 106241986 A CN106241986 A CN 106241986A
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ammonia nitrogen
nitrogen removal
removal agent
water
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陈永桥
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    • 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
    • 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
    • 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
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5254Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using magnesium compounds and phosphoric acid for removing ammonia
    • 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
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

本发明公开了一种新型源水氨氮去除剂,包括如下重量份的组分:磷酸钠:10~15份,聚合絮凝化合物:5~10份,硅藻土:8~10份,高锰酸钾:3~5份,次氯酸钠:10~15份,氯化镁:5~10份,沸石粉:5~10份,粉末活性炭:3~5份。与现有技术相比,本发明具有如下有益效果:(1)本发明不仅可以具有较强的氨氮去除效果,大大的降低后续药剂的用量,从而降低水厂运行费用,保障饮用水预处理的安全;(2)制备工艺简单,成本低廉。

Description

一种新型源水氨氮去除剂
技术领域
本发明涉及环保领域。更具体地说,本发明涉及一种新型源水氨氮去除剂。
背景技术
地表水体氨氮污染的来源广泛,除主要来自于大量的未经处理的城市生活污水和工业废水外,还有表土沉积中的氮素等养分随水土流失进入水体;农业生产中大量使用的氮肥等营养元素未被充分吸收利用后经地表径流进入水体;另外,动物排泄物未作处理就排入水体。这些均是造成水体氨氮污染的来源。
氨氮对水体的危害比其他形态的氮更复杂、更广泛、更持久。氨氮不仅要控制氨氮浓度,也要从长远考虑氨氮减排、改善水环境质量。制定和完善总氮控制标准,湖泊流域范围内要考虑氮磷综合控制,同时加强控制农业面源污染,改造城市污水管网,充分发挥已有的污染治理设施效用。
水体中适量的氮是合成藻类等微生物的基本元素,是形成水生生态环境重要的物质条件,也是水环境良性循环的基础。但目前一些水体中氮的总量已超过水体容量,过量的氮元素导致水体藻类等生物异常增殖,引起水质恶化。同时,氨氮和亚硝酸盐氮对鱼类等生物有毒害。由于水体中氮素的各存在方式在一定条件下会循环转化,优先控制无机氮更为重要、突出。氨氮的污染给饮用水安全带来威胁,对鱼类等水体动物带来危害,造成富营养化,使湖泊生态系统恶性循环。
目前国内制水工艺中大部分的做法是投加氯气氧化去除氨氮,当原水中氨氮特别是NH3含量过高时,为了达到出水余氯和表面上除氨氮的效果,就需要投加过量的氯气,正常情况下通常氯气的投加量为1~2mg/L,当有NH3存在时,比如氨氮含量为2mg/L时,则需要额外投加氯气14~20mg/L。这样不仅造成大量氯气的浪费,更严重的是,投加的大量氯气和原水中的腐殖质反应,产生的挥发性三卤甲烷是致癌物质,而目前自来水厂尚无去除三卤甲烷的有效方法。另外,水体中氨氮浓度过高时水体呈碱性,会导致絮凝剂失效,无法正常产水。
发明内容
本发明的目的是提供一种新型源水氨氮去除剂,以克服现有混凝剂存在用量过度,反而去除氨氮效果不佳的缺点。
为了实现上述目的,本发明采用的技术方案如下:
一种新型源水氨氮去除剂,包括如下重量份的组分:
磷酸钠:10~15份,聚合絮凝化合物:5~10份,
硅藻土:8~10份,高锰酸钾:3~5份,次氯酸钠:10~15份,
氯化镁:5~10份,沸石粉:5~10份,粉末活性炭:3~5份。
优选的是,所述聚合絮凝化合物选自聚合氯化铝、聚丙烯酰胺、聚合硫酸铁中的一种或任意组合。
所述的用于源水中氨氮去除剂的制备工艺为:按配比,将各组分混合,搅拌分散均匀后即可得成品。
与现有技术相比,本发明具有如下有益效果:
(1)本发明不仅可以具有较强的氨氮去除效果,大大的降低后续药剂的用量,从而降低水厂运行费用,保障饮用水预处理的安全;
(2)制备工艺简单,成本低廉。
具体实施方式
以下将结合具体实施例来详细说明本发明的实施方式,借此对本发明如何应用技术手段来解决技术问题,并达到技术效果的实现过程能充分理解并据以实施。
若未特别指明,实施例中所采用的技术手段为本领域技术人员所熟知的常规手段,所采用的原料也均为可商业获得的。未详细描述的各种过程和方法是本领域中公知的常规方法。
实施例1
一种新型源水氨氮去除剂,包括如下重量份的组分:
磷酸钠:10份,聚合硫酸铁:5份,硅藻土:8份,
高锰酸钾:3份,次氯酸钠:10份,氯化镁:5份,
沸石粉:5份,粉末活性炭:3份。
实施例2
一种新型源水氨氮去除剂,包括如下重量份的组分:
磷酸钠:13份,聚合絮凝化合物:7份,硅藻土:9份,
高锰酸钾:4份,次氯酸钠:12份,氯化镁:7份,
沸石粉:8份,粉末活性炭:4份。
实施例3
一种新型源水氨氮去除剂,包括如下重量份的组分:
磷酸钠:15份,聚合絮凝化合物:10份,
硅藻土:10份,高锰酸钾:5份,次氯酸钠:15份,
氯化镁:10份,沸石粉:10份,粉末活性炭:5份。
为了能直接反映本品的效果,下面以某城市的自来水厂的源水进水作为研究对象,进行处理效果试验验证。
以下表1为进行氨氮去除剂添加前后数值的大小对比数据。
具体将实例1~3的去除剂加入自来水厂的源水进水集水池反应时间为1小时左右后进行数值指标进行测定。
表1加入氨氮去除剂前后数值指标的对比数据
从表1可以看出,经过实例1~3的自来水厂源水中氨氮的指标大大降低,为改善了后续加药和保障饮用水安全提供了条件。所以,本发明不仅可以具有较强的氨氮去除效果,大大的降低后续药剂的用量,从而降低水厂运行费用,保障饮用水预处理的安全。
最后应说明的是,以上实施例仅用以说明而非限制本发明的技术方案,尽管参照上述实施例对本发明进行了详细说明,本领域技术人员应当理解,依然可以对本发明进行修改或者等同替换,而不脱离本发明的精神和范围的任何修改或局部替换,其均应涵盖在本发明的权利要求范围中。

Claims (2)

1.一种新型源水氨氮去除剂,其特征在于,包括如下重量份的组分:
磷酸钠:10~15份,聚合絮凝化合物:5~10份,
硅藻土:8~10份,高锰酸钾:3~5份,次氯酸钠:10~15份,
氯化镁:5~10份,沸石粉:5~10份,粉末活性炭:3~5份。
2.如权利要求1所述的源水氨氮去除剂,其特征在于,所述聚合絮凝化合物选自聚合氯化铝、聚丙烯酰胺、聚合硫酸铁中的一种或任意组合。
CN201610709394.7A 2016-08-22 2016-08-22 一种新型源水氨氮去除剂 Withdrawn CN106241986A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107792900A (zh) * 2017-11-23 2018-03-13 广西小草信息产业有限责任公司 一种弱碱性饮用水净化剂及其制备方法
CN108275747A (zh) * 2018-02-08 2018-07-13 上海山恒生态科技股份有限公司 一种快速消除黑臭水体氨氮的生态环保净水剂
CN112723432A (zh) * 2020-11-17 2021-04-30 杭州筑净环境科技有限公司 一种除氨材料的制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101327984A (zh) * 2008-07-15 2008-12-24 南通立源水处理技术有限公司 多效除污染净水剂及其应用方法
CN101759275A (zh) * 2010-01-07 2010-06-30 浙江工商大学 一种去除水中有机污染物的方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101327984A (zh) * 2008-07-15 2008-12-24 南通立源水处理技术有限公司 多效除污染净水剂及其应用方法
CN101759275A (zh) * 2010-01-07 2010-06-30 浙江工商大学 一种去除水中有机污染物的方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107792900A (zh) * 2017-11-23 2018-03-13 广西小草信息产业有限责任公司 一种弱碱性饮用水净化剂及其制备方法
CN108275747A (zh) * 2018-02-08 2018-07-13 上海山恒生态科技股份有限公司 一种快速消除黑臭水体氨氮的生态环保净水剂
CN112723432A (zh) * 2020-11-17 2021-04-30 杭州筑净环境科技有限公司 一种除氨材料的制备方法

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