环境科技
環境科技
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ENVIRONMENTAL SCIENCE AND TECHNOLOGY
2015年
4期
33-37
,共5页
刘帅%周宁玉%谢朝新%黄泽明
劉帥%週寧玉%謝朝新%黃澤明
류수%주저옥%사조신%황택명
正渗透%净水袋%温度%压力%产水量%耐用性
正滲透%淨水袋%溫度%壓力%產水量%耐用性
정삼투%정수대%온도%압력%산수량%내용성
Forward osmosis%Water purifying bag%Temperature%Pressure%Water production%Durability Performance
以实际湖水为原水,以葡萄糖溶液为汲取液,用一种便携式正渗透净水袋原理样机,研究了温度、压强等操作条件对其耐用性能的影响,探索了正渗透净水袋原理样机性能恢复的方法。结果表明,在25~45°C的范围内,随着温度的升高,净水袋原理样机的产水量在整个实验过程的衰减程度明显增大,最大可达37.72%;在0~1700 Pa的范围内,随着压强的提高,产水量在整个实验过程的衰减程度有所增大,但增加幅度较小,衰减程度最大仅为12.85%;对受污染的正渗透膜进行简单的错流清洗即可恢复90%以上的产水量,最高可达到99.41%。
以實際湖水為原水,以葡萄糖溶液為伋取液,用一種便攜式正滲透淨水袋原理樣機,研究瞭溫度、壓彊等操作條件對其耐用性能的影響,探索瞭正滲透淨水袋原理樣機性能恢複的方法。結果錶明,在25~45°C的範圍內,隨著溫度的升高,淨水袋原理樣機的產水量在整箇實驗過程的衰減程度明顯增大,最大可達37.72%;在0~1700 Pa的範圍內,隨著壓彊的提高,產水量在整箇實驗過程的衰減程度有所增大,但增加幅度較小,衰減程度最大僅為12.85%;對受汙染的正滲透膜進行簡單的錯流清洗即可恢複90%以上的產水量,最高可達到99.41%。
이실제호수위원수,이포도당용액위급취액,용일충편휴식정삼투정수대원리양궤,연구료온도、압강등조작조건대기내용성능적영향,탐색료정삼투정수대원리양궤성능회복적방법。결과표명,재25~45°C적범위내,수착온도적승고,정수대원리양궤적산수량재정개실험과정적쇠감정도명현증대,최대가체37.72%;재0~1700 Pa적범위내,수착압강적제고,산수량재정개실험과정적쇠감정도유소증대,단증가폭도교소,쇠감정도최대부위12.85%;대수오염적정삼투막진행간단적착류청세즉가회복90%이상적산수량,최고가체도99.41%。
The effects of temperature and pressure on the durability performance of principled sample machine of portable forward osmosis water purifying bag were investigated using actual lake water as raw water, glucose solution as draw solution respectively.Then we explored the way for FO membrane performance resumption. It was found that, in the temperature ranging from 25°C to 45°C, as the temperature increased, the decreasing amplitude of principled sample machine's water production in the whole performance period would ascend observably, which could reach the maximum value of 37.72%; in the pressure ranging from 0 to 1 700 Pa , as the pressure went up, although the decreasing amplitude of principled sample machine's water production in the whole performance period would ascend, the amplification is not in wide with the highest decreasing amplitude of 12.85%; more than 90% of water production can be recovered after a simple water cross-flow rinsing on the contaminated FO membrane with the highest value of 99.41%.