海水淡化

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公司名称:凯能高科技工程(上海)有限公司
  地:上海
发布时间:2007-10-14
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淡水的需求被提到了*前沿.....

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  随着全球水资源的日渐短缺,淡水的需求被提到了*前沿。从上世纪中叶至今,人类对高质量水的需求不断增加, 水再也不被认为是自然的、低成本的、随意使用的资源 ,因而保护有限的水资源无疑在未来是个挑战,无论哪个国家都即将面临淡水的严重短缺。

  到 2015 年止,新加坡淡水需求量将由一天 40 万米增至一天 160 万米。在全��淡水资源日益短缺的巨大压力下,淡化(脱盐)技术, 脱盐作用(海水淡化)正在为全世界社会、工业及拥有良好前景的地区提供经济可行性方案,并扮演着日益重要的角色。  

膜技术

海水淡化
  脱盐早已被认为是从海水里提取淡水之*有效的方式,象从混有盐的资源里和通过水的再生( as well as brackish resources and through water reuse ) , 这个工艺可以从海水中去除溶解的矿物质(并不仅仅是盐),含有盐的水,或者是用来生产 (water that is low in total dissolved solid) 的已处理废水。现已通过商业( commercially )认证的 3 种工艺有:蒸馏、反渗透、电透析。这是目前为止在世界任何国家被应用的、成本*低的方法。但是我们在系统的可靠性、经济价值上还有很长的一段路要探索。

  然而在*近的这些年里,我们看到全世界已经将越来越多的眼光关注在膜分离技术上,并将它作为纯净水的一种经济的可行性方案。同时,凯发也凭借着丰富的经验稳步地在此领域前行。

薄膜合成的膜介绍
减少投资
产量成倍增长
使用寿命从 3 年增至 5~9 年
能源回收系统更先进
减少能源消耗量
membrane fouling and scaling mechanicsms are well established
优化化学定量给料速率
提高原处理技术,如:超滤  
  
REVERSE OSMOSIS

海水淡化


  Reverse osmosis has established itself as the most efficient desalination technology in the world today. As the technology provider behind Singapore first-ever desalination plant, the Group believes that RO is the key technology to desalination due to its numerous benefits:

  The membrane process uses much less chemical and
consequently generates less chemical wastes thus
reducing environmental loadings
RO plant feedwater generally does not require heating,
so the thermal impacts of discharges are lower
RO plants have fewer problems with corrosion
RO plants usually have lower energy requirements
RO plants tend to have higher recovery rates-about
45% for seawater
  RO process can remove unwanted contaminants, such
as trihalomethane-precursors, pesticides, and bacteria
RO plants take up less surface area for the same
amount of water production
Operating cost of high pressure membrane applications
can be lowered through improved energy devices  
  
OUR CAPABILITIES

海水淡化


  Whether from brackish water or seawater, Hyflux engineers assume total responsibility for design and construction of desalination plants to offer its clients a strong local support along with the latest technology.

  Intake from the sea or brackish water source
Pressurization to desalination plant, pre-treatment
RO desalination stacks
Post treatment
Membrane cleaning stations
Instrumentation and PLC control
MCC, transformers & switch gear
Storage & pressurization for distribution.

  In todays increasingly competitive and complex business environment, effective implementation of new technology is critical to the success of any project. Hyflux is committed to developing and maintaining the specialized skills necessary to evaluate, select, and implement state-of-the-art water treatment technologies.

The Group combines engineering, procurement & construction (EPC) management with operational experience and financial expertise to help our customers implement the most cost effective solutions to their water treatment and fluid separation needs.

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