Results 21 to 30 of about 6,088 (78)

垃圾渗滤液超临界水气化制氢影响因素分析

open access: yesGongye shui chuli, 2016
利用高温高压反应釜对生活垃圾填埋场渗滤液进行超临界水气化产氢处理。分析了反应温度、压力和停留时间对气化产氢效果、氢气产量以及COD去除率的影响。研究结果表明,在温度为470℃、压力为23.1 MPa、停留时间为10 min条件下,经超临界水气化处理后,渗滤液COD去除率达到75.6%,气体产物中CH4、CO2和H2分别达到32.34%、2.72%、61.88%。
龚为进   +4 more
doaj   +2 more sources

全膜法在湖南某发电厂锅炉补给水处理中的应用

open access: yesGongye shui chuli, 2019
以湖南某发电厂为例,介绍了超滤+反渗透+连续电除盐工艺在锅炉补给水处理系统中的应用情况,并详细阐述其设计参数、系统运行方式、控制参数和故障解决办法。根据测试结果,采用全膜法处理可满足超超临界机组锅炉补给水的水质要求。
范唯, 郑得鸣
doaj   +2 more sources

超声波水处理技术及应用

open access: yesGongye shui chuli, 2006
超声波水处理技术集高级氧化、焚烧、超临界氧化于一体,操作简单方便,无二次污染,是一项很有发展前途的水处理技术。介绍了目前常见的几种用于水处理的声化学反应器,包括清洗槽式、变幅杆式和平行板式。综述了国内外超声技术在处理微污染原水、高浓度难降解有机废水、城市污泥等方面的应用研究现状,最后提出了今后超声技术在水处理上的研究方向。
毛月红, 李江云, 刘英杰
doaj   +2 more sources

超临界水氧化技术

open access: yesGongye shui chuli, 2003
超临界水氧化(SCWO)技术是一种新兴的、很有前景的处理有机污染物的环保技术,具有很多特色和优势。然而,SCWO主要问题是反应器的腐蚀和盐的沉积,阻碍了SCWO的推广和工业应用。阐明了不同的反应器和工艺的改进观念,论述了SCWO存在的问题,讨论了可能的解决措施,并对SCWO系统中未来的发展提出了建议。
苏东辉, 郑正, 王勇, 唐登勇
doaj   +2 more sources

某350 MW超临界机组给水铁含量超标原因分析及处理

open access: yesGongye shui chuli, 2018
某350 MW超临界机组自完成168 h满负荷试运一年以来,给水铁含量长期超标。通过查定和分析发现,其主要由给水处理工况控制不当、除氧器加热汽源蒸汽品质差、高压加热器疏水管道冲刷腐蚀产物、汽泵前置泵汽蚀等原因所致。经采取有效措施处理后,给水含铁质量浓度稳定在2~4 μg/L,达到含铁质量浓度小于5 μg/L的标准要求。
涂孝飞
doaj   +2 more sources

超深水半潜式钻井平台设计技术创新与应用

open access: yesHaiyang gongcheng zhuangbei yu jishu, 2015
中国南海环境条件恶劣,夏季强台风频发,冬季突发性风暴不断,内波时隐时现,对深远海作业的半潜式钻井平台的安全性、总体性能、作业效率等方面均提出了非常高的要求,南海超深水半潜式钻井平台的设计面临多项世界级的技术挑战。结合南海超深水半潜式钻井平台的研发过程,重点叙述在南海内波流载荷、甲板可变载荷、慢漂运动预测、简化疲劳分析等方面取得的创新性成果,并对南海超深水半潜式钻井平台的总体方案加以介绍。通过多项重大技术创新攻关,最终研发出世界首次针对南海特殊环境条件、具有自主知识产权的超深水半潜式钻井平台新船型 ...
谢彬   +4 more
doaj  

高级氧化法处理农药废水研究进展

open access: yesGongye shui chuli, 2015
综述了湿空气氧化法、光催化氧化法、超临界水氧化法、电催化氧化法和臭氧氧化法等高级氧化方法在农药废水处理中的研究进展,介绍了不同高级氧化方法的优缺点和处理效果。同时对近年来出现的高级氧化法与微波及超声方法的联用工艺进行了介绍,并对今后农药废水处理需进一步研究的问题提出了建议。
李姗姗, 刘峻峰, 冯玉杰
doaj  

[Research progress of cementless prosthesis in total knee arthroplasty]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Tai W, Qi X, Wang B, Chai W.
europepmc   +1 more source

[Cystic lymphangioma of the penis in an adult: A case report]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Yang Q, Lu J, Lu M, Hong K.
europepmc   +1 more source

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