摘要
利用自行研制的水合物海水淡化装置,进行了添加R141b的CO2水合物海水淡化技术研究,实现了不同级别的海水淡化,并初步探讨了不同流程海水淡化的经济能耗。实验结果表明,所得一至三级淡化水的多项离子浓度指标满足饮用水标准,四级淡化水的指标均优于饮用水标准。利用该技术得到137 mL盐度为4.5‰的淡化水,能耗为0.092 kWh,耗时11.5 h;而得到80 mL盐度仅为0.3‰的淡化水时,能耗则增加为0.743 kWh,耗时33 h。三级淡化流程产量较高,盐度较低,可在兼顾能耗的前提下得到纯度较高的淡化水,是该技术比较理想的淡化流程。
Based on the self-developed hydrate-based seawater desalination device, the CO2hydrate-based desalination experiments with R141 b accelerant were carried out to achieve different grades of seawater desalination, with the economics and energy consumption of different desalination processes preliminarily discussed in this paper. The results show that most of the ionic concentrations of the first to third grades of desalinated water meet the drinking water criteria, and all the ionic concentrations of the fourth grade of desalinated water are better than the drinking water criteria. Using this technology, it takes 0.092 kWh and11.5 h to obtain 137 mL of desalinated water with the salinity of 4.5 ‰. However, it will take 0.743 kWh and 33 h to gain 80 mL of desalinated water with the salinity of only 0.3 ‰. On account of the high production and low salinity of desalinated water, the third-grade desalination process is an ideal technology which can obtain high-purity desalinated water with lower energy consumption.
出处
《海洋技术》
北大核心
2014年第3期74-79,共6页
Ocean Technology
基金
山东省科技发展计划资助项目(2011GHY11527)
关键词
CO2水合物
海水淡化
R141B
实验技术
经济能耗
技术流程
CO2hydrate
seawater desalination
R141b
experimental technique
energy consumption
technological process
