air sparging

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15:02 May 28, 2010
English to Chinese translations [PRO]
Tech/Engineering - Agriculture
Additional field(s): Engineering (general), Environment & Ecology
English term or phrase: air sparging
Definition from United States Department of Agriculture:
Air sparging is an in situ remedial technology that reduces concentrations of volatile constituents in petroleum products that are adsorbed to soils and dissolved in groundwater. It involves the injection of contaminant-free air into the subsurface saturated zone, enabling a phase transfer of hydrocarbons from a dissolved state to a vapor phase. The air is then vented through the unsaturated zone.

Example sentence(s):
  • The air sparging system is incorporated as an annular header surrounding a portion of the body of the hydrocyclone with a porous wall providing the necessary passageway for air dispersion into the hydrocyclone. Free Patents Online
  • An air sparging system can use either vertical or horizontal sparge wells. Well orientation should be based on site-specific needs and conditions. United States EPA
  • From the latter we can estimate the maximum radius of influence of air sparging, as a function of the physical parameters. ScienceDirect
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15 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5

Definition from
空氣注入法(Air Sparging)
空氣注入法(Air Sparging, AS)為現地地下水污染整治技術,亦稱現地氣提法(In-situ Air Stripping)。空氣注入法係改良土壤氣體抽除法,利用壓力將空氣或氧氣注入地下水中,產生氣泡,促使含水層(飽和層)之地下水污染物溶出,並揮發至氣相進入透氣層(不飽如層)中,為有效控制氣相污染物的流動,一般會結合土壤氣體抽除法(簡稱AS/SVE),將氣體抽出至地面處理後予以排放。由於此法必須注入空氣或氧氣,可增加地下水溶氧量及不飽和層氣體氧氣濃度,因此可促進污染物被好氧微生物降解。此外,若在注入空氣中加入甲烷,則可促進含氯有機物(如三氯乙烯)被共代謝微生物降解。一般而言,空氣注入法之整治機制,在初期以抽除低分子量、高揮性污染物為主,後期則以生物降解去除高分子量、低揮發性污染物。

Example sentence(s):
  • 本研究主要是利用T2VOC模式來模擬水下空氣注入法(Air Sparging)結合氣體萃取法(Soil Vapor Extraction,簡稱SVE)整治受非水相液(NAPLs)污染區域之成效與分析。 ... -  
  • 空氣注入法是一種現地(in-situ) 土壤與地下水污染的處理方法,可有效的去除吸 ... 經妥善規劃設計後,空氣注入法可降低揮發性有機物及石油碳氫化合物在地下水中 ... -  
  • 受三氯乙烯污染後的地下水整治技術有許多,如氣提法-air sparging、化學氧化 ... 現地(in-situ)生物復育重點工作為提供適當的環境因子,以提高現地微生物族群的 ... -  

Simplified Chinese: 空气注入法
Local time: 01:43
Native speaker of: Chinese
PRO pts in category: 4

Votes in favor of/against selecting this as the best translation of the term asked
No  Jing LI (X): 英汉联合国术语词典 sparging 鼓泡 注释: 用多孔管或开口管向水喷射大量空气或其他气流的过程。 sparge似乎和inject还是有一定区分度的,或者air sparging翻成``空气喷/注射法``?还有见到``(地下)曝气法``的译法。(definition would suffice here, mate. just a specified step/method in soil improv)
10 days
  -> Thank you for the comments, but please pay attention to the context and cite some references for your comments...

Yes  ILT
74 days
  -> Thank you!
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