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日期: 2018-05-11
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水处理的方式包括物理处理和化学处理及生物处理。

人类进行水处理的方式已经有相当多年历史,物理方法包括利用各种孔径大小不同的滤材,利用吸附或阻隔方式,将水中的杂质排除在外,吸附方式中较重要者为以活性炭进行吸附,阻隔方法则是将水通过滤材,让体积较大的杂质无法通过,进而获得较为干净的水。另外,物理方法也包括沉淀法,就是让比重较小的杂质浮于水面捞出,或是比重较大的杂质沉淀于下,进而取得。化学方法则是利用各种化学药品将水中杂质转化为对人体伤害较小的物质,或是将杂质集中,历史最久的化学处理方法应该可以算是用明矾加入水中,水中杂质集合后,体积变大,便可用过滤法,将杂质去除。

随着人类生活不断提高水体富营养化氨氮、磷等营养盐问题和国家环保局对污水排放标准一步步提高,沿用了许多年传统的"一级处理""二级处理"水处理工艺技术和设备,已经难以适应当今的高浊度和高浓度污水的处理要求,而且处理工艺流程长,系统庞大,而且还散发大量臭气。运营者要想达到最新排放标准,需要从新再投入高额的资金扩建原有污水处理系统,加大占地面积使用和高额的污水处理设备及高额后期维护费用,然而,传统的污水深度处理再生回用技术系统(如活性炭过滤、微孔过滤、渗透膜净化等技术系统)投资高、后期维护运行费用高,太多的运营者难以承受。以下来我们详细介绍几种水处理工艺:


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Case / Wonderful case
2018 - 05 - 11
污水生化处理属于二级处理,以去除不可沉悬浮物和溶解性可生物降解有机物为主要目的,其工艺构成多种多样,可分成生物膜法和活性污泥法(AB法、A/O法、A/O法、SBR法、氧化沟法)稳定塘法、土地处理法等多种处理方法。日前大多数城市污水处理厂都采用活性污泥法,小城市一般采用的是CRI法(人工快渗系统),另外在工业废水方面还有一些其它的方法。生物处理的原理是通过生物作用,尤其是微生物的作用,完成有机物的分...
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Q & A: MORE >>
  • 1.Central air conditioning yellow water how to do?
    A:
    Central air-conditioning chilled water and condensate water are recycled water, the cycle will be adsorbed in the air of dust, foreign bodies, etc., water will generate microorganisms, so require regular replacement of water, if dirty very interested, or even to add special cleaning agent Cleaning; if condensation in the condenser more scale, will result in cooling effect of central air conditioning decreased, electricity consumption increased, so also regularly open the cleaning condenser. The way to do this is to change the frequency of cooling water and condensate and to clean the condenser……
  • 2.Circulating cooling water algae growth in a lot of how to deal with?
    A:
    Circulating water due to nutrient concentration, temperature and summer prolonged sunshine, bacteria and algae to create a rapid breeding conditions. Much like the mucilage secreted by bacteria, it allows dust and chemical buoys floating in the water to bond together to form slimy sediments. A biofouling sludge attaches to the heat transfer surfaces of the host condenser Heat transfer filler), in addition to causing corrosion under the scale, but also to reduce the flow of circulating water, reducing heat exchange efficiency, increase power consumption and host load, in severe cases will plug the pipeline……
  • 3.Cooler fouling can clean it?
    A:
    Can be cleaned. Cooler fouling is generally divided into two types of tube fouling and tube fouling, as circulating water generally use soft water, so fouling tube generally does not appear, unless your circulating water is not soft water, remove the detergent first Use soft water cycle. Most of the cooler scaling is outside the tube scaling, there are two reasons for its study, first, the circulating water pipe is too high, because the spray water is generally used groundwater that is hard water, so if the tube temperature is too high will make the spray water temperature Rise, the formation of scale in the pipe wall, the second is spray water itself with high Mg and other elements, especially in mountainous areas, the water is relatively hard……
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水处理的方式包括物理处理和化学处理及生物处理。人类进行水处理的方式已经有相当多年历史,物理方法包括利用各种孔径大小不同的滤材,利用吸附或阻隔方式,将水中的杂质排除在外,吸附方式中较重要者为以活性炭进行吸附,阻隔方法则是将水通过滤材,让体积较大的杂质无法通过,进而获得较为干净的水。另外,物理方法也包括沉淀法,就是让比重较小的杂质浮于水面捞出,或是比重较大的杂质沉淀于下,进而取得。化学方法则是利用各种化学药品将水中杂质转化为对人体伤害较小的物质,或是将杂质集中,历史最久的化学处理方法应该可以算是用明矾加入水中,水中杂质集合后,体积变大,便可用过滤法,将杂质去除。随着人类生活不断提高水体富营养化氨氮、磷等营养盐问题和国家环保局对污水排放标准一步步提高,沿用了许多年传统的"一级处理"及"二级处理"水处理工艺技术和设备,已经难以适应当今的高浊度和高浓度污水的处理要求,而且处理工艺流程长,系统庞大,而且还散发大量臭气。运营者要想达到最新排放标准,需要从新再投入高额的资金扩建原有污水处理系统,加大占地面积使用和高额的污水处理设备及高额后期维护费用,然而,传统的污水深度处理再生回用技术系统(如活性炭过滤、微孔过滤、渗透膜净化等技术系统)投资高、后期维护运行费用高,太多的运营者难以承受。以下来我们详细介绍几种水处理工艺:
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