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汪明山 《中国石油和化工标准与质量》2012,(Z1):99-100
本文论述了污水改性处理技术的原理及特点,详细剖析了纯梁首站污水改性处理改造工程中出现的各类问题,并针对问题提出了改进措施和改造方案,方案实施后纯梁首站污水处理系统平稳运行,处理后的水质达到SY/T5329—94标准,并且处理工艺简单、流程改动少、经济可行。 相似文献
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歧口17-2油田实行清污混注后,注入水含油浓度超标,急需对水质处理流程进行调整。对注水流程各节点含油浓度的检测结果显示,水力旋流器除油效率低是导致注入水含油超标的关键节点。对水力旋流器运行参数进行了优化,结果表明,当PDR值为1.75,流量为95 m3/h时,水力旋流器除油率可提高到70%以上,注入水含油浓度满足控制指标要求。 相似文献
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通过中试和生产性试验研究,对双层滤料滤池的气水反冲洗、单纯水洗技术及其节水节能效益进行研讨.试验结果表明:气水反冲洗效果最好,经济效益显著.该技术与单纯水洗技术相比,可以使滤池的运行周期平均延长3 h,周期产水量增加12.76%,生产率提高1.21%,洗水率降低50.3%,日产水量5.0×105t的水厂一年可节省水电费89.97万元,是单纯水洗的54%. 相似文献
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Carbonated water injection (CWI) is known as an efficient technique for both CO2 storage and enhanced oil recovery (EOR). During CWI process, CO2 moves from the water phase into the oil phase and results in oil swelling. This mechanism is considered as a reason for EOR. Viscous fingering leading to early breakthrough and leaving a large proportion of reservoir un-swept is known as an unfavorable phenomenon during flooding trials. Generally, instability at the interface due to disturbances in porous medium promotes viscous fingering phenomenon. Connate water makes viscous fingers longer and more irregular consisting of large number of tributaries leading to the ultimate oil recovery reduction. Therefore, higher in-situ water content can worsen this condition. Besides, this water can play as a barrier between oil and gas phases and adversely affect the gas diffusion, which results in EOR reduction. On the other hand, from gas storage point of view, it should be noted that CO2 solubility is not the same in the water and oil phases. In this study for a specified water salinity, the effects of different connate water saturations (Swc) on the ultimate oil recovery and CO2 storage capacity during secondary CWI are being presented using carbonate rock samples from one of Iranian carbonate oil reservoir. The results showed higher oil recovery and CO2 storage in the case of lower connate water saturation, as 14% reduction of Swc resulted in 20% and 16% higher oil recovery and CO2 storage capacity, respectively. 相似文献
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城市湖泊是城市重要的生态景观之一,对周边生态环境和居民生活有着重要的影响,良好的水环境条件是其功能发挥的重要前提。目前我国大多数城市湖泊受到不同程度的污染,富营养化现象严重,如何改善城市湖泊水质、维持良好生态是城市水环境管理的重要课题,特别对缺水城市,水量调控是城市湖泊水环境维持的重要措施。本文以北京南海子湖泊为研究对象,建立其水动力水质模型,以总磷(TP)为水质控制指标,根据水质监测资料和保护目标,提出基于水量的调控方案,利用建立的模型对调控方案实施效果进行了模拟分析,确定了不同水量调控方案的水质改善效果。 相似文献
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介绍了目前南充炼油化工总厂循环水处理工艺,针对该厂循环水水质特点,进行了水质稳定剂配方筛选.提出了较为科学、合理的药剂复配使用方案和进一步提高循环水水质的建议。 相似文献