Crystallisation process enables environmental friendly phosphate removal at low costs

被引：68
|
作者：
Giesen, A [1 ]
机构：
[1] DHV Water, NL-3800 AL Amerfoort, Netherlands
来源：
ENVIRONMENTAL TECHNOLOGY | 1999年 / 20卷 / 07期
关键词：
crystalactor; phosphate recovery; phosphate removal; DHV; crystallisation; zero waste; pellets;
D O I：
10.1080/09593332008616873
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
An advanced alternative for phosphate removal by conventional precipitation is to apply crystallisation. DHV, a multinational group of consulting engineers and general contractors with headquarters in The Netherlands, has developed and patented a fluid-bed type of crystalliser in which phosphate is removed and recovered from the wastewater while phosphate pellets with a typical diameter of 1 mm are produced. The major advantages of the crystallisation technology, the so-called Crystalactor(infinity 1), are that (1) the installation is compact, (2) phosphate pellets with a high-purity are produced, (3) the produced pellets have an extremely low water content (5% to 10% moisture) and (4) the pellets can be reused. Up to now Crystalactor(R) plants were constructed for the removal/recovery of heavy metals, phosphate, fluoride and the softening of drinking and process water.
引用
收藏
页码：769 / 775
页数：7
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