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xbszl666木蟲 (正式寫手)
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[求助]
一段文獻(xiàn) 翻譯成中文 不勝感激!
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Researchers have studied the effects of biofilm accumulation on the terminal settling velocity (Ut) and the expansion coeffi- cient (n) in fluidized bed reactors [15–21].Most of themreported their results from correlations originally derived for rigid par- ticles that were modified for biofilm system applications. In a previous work [22], a sensitivity analysis of correlations pro- posed by these authors for estimation of parameters Ut and n was presented. The aim was to show the dispersion of results using the most quoted correlations. However, they have been mainly applied to aerobic biofilm systems, and seem to be less appropriate for anaerobic systems than the original equation of Richardson and Zaki [23], quite used to calculate n in most works focused on anaerobic fluidized bed reactors (Eq. (4)), and the equation provided by Foscolo et al. [24] to calculate Ut (Eq. (3)). These correlations are valid for the range of Reynolds number (Ret) investigated, and are here used to calculate Ut and n: |
禁蟲 (正式寫手)
| 研究人員研究了生物膜積累對最終沉降速度(UT)和流化床反應(yīng)器的膨脹系數(shù)(n)的影響。他們大多報道的結(jié)果源于最初的生物膜系統(tǒng)應(yīng)用修改的剛性粒子。在以前的工作[22],這些作者提出的估計參數(shù)UT和N的相關(guān)性的靈敏度分析。的目的是為了顯示分散使用最引述相關(guān)的結(jié)果。但是,他們一直主要應(yīng)用于好氧生物膜系統(tǒng),似乎要少一些適當(dāng)?shù)膮捬跸到y(tǒng)比原來的方程理查森和扎基[23],相當(dāng)用來計算在厭氧流化床反應(yīng)器(式(4)),和Foscolo酒店等提供的公式集中的大部分作品ñ。 [24]來計算UT(式(3))。這些相關(guān)的有效期為雷諾數(shù)(RET)調(diào)查的范圍,并在這里用來計算UT和N |
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