1) low-concentration uranium-bearing wastewater
低浓度含铀废水
1.
On the basis of analyses of the source and characteristics of the low-concentration uranium-bearing wastewater,the conventional treatment technologies,such as,flocculating settling,ion exchange,concentration,adsorption,and some innovatory technologies,such as,membrane,microorganism,phytoremediation and zero-valent iron tech.
为防止放射性核素的迁移扩散,迫切需要一种低廉有效的处理方法对日益增多的低浓度含铀废水进行治理。
2) Low concentration ammonia wastewater
低浓度含氮废水
3) low strength wastewater
低浓度废水
1.
Study on the operation characteristics of anaerobic baffled reactor treating low strength wastewater;
厌氧折流板反应器处理低浓度废水的运行特性研究
2.
Progress in anaerobic treatment of low strength wastewater under psychrophilic conditions;
低温厌氧处理低浓度废水研究进展
3.
The result of anaerobic baffled reactor(ABR) treating low strength wastewater on mesophilic condition indicates that on the condition of influent CODCr concentration of about 500 mg/L,HRT 3～12 h,the reactor was efficient in the removal of CODCr,viz above 84%,effluent CODCr concentration of 75 mg/L.
对厌氧折流板反应器在中温条件下处理低浓度废水的试验结果表明:在进水CODCr浓度为500mg/L、水力停留时间为3～12h时,CODCr的平均去除率可达84%,出水CODCr浓度可降至75mg/L。
4) low concentration wastewater
低浓度废水
1.
The research probes into the feasibility on low concentration wastewater treated by inner cycle of aerobe in three-phase bio-fluidized bed and the growing characteristics of biological-membrane.
本研究探讨了好氧内循环三相生物流化床处理低浓度废水的可行性和生物膜生长特性。
2.
This paper focuses on the feasibility of utilizing the photoelectric colorimetry to determine the COD_(Cr) of low concentration wastewater.
比较了回流法和分光光度法测定低浓度废水化学需氧量(CODCr)的分析结果,在保证较高的准确度和精密度的前提条件下,后者能大量减少试剂用量,缩短分析时间。
5) Low-strength wastewater
低浓度废水
1.
Study on the startup of ABR treating low-strength wastewater;
ABR处理低浓度废水的启动研究
2.
Anaerobic Baffled Reactor(ABR), which has been successfully applied in high-strength organic wastewater treatment with good progress, is a new type of high-efficiency anaerobic reactor, and its application and research in treating low-strength wastewater has also been paid more and more attention.
厌氧折流板反应器(ABR)作为一种新型高效的处理工艺,不仅在高浓度有机废水的研究和应用方面取得了较大的进展,而且在处理低浓度废水方面也越来越引起重视。
3.
The impact of hydraulic retention time(HRT) in an anaerobic baffled reactor (ABR) on its operation performance and granular sludge characteristics was investigated through both testing its operation and analyzing the particle size distribution(PSD) and fractal dimensions of these sludge granules when treating low-strength wastewater.
采用效果检测、粒度分布与分形等方法,研究了ABR处理低浓度废水时水力停留时间(HRT)对其运行状况和颗粒污泥特征的影响。
6) uranium-bearing wastewater
含铀废水
1.
A new inorganic ion-exchanger of potassium tetratitanate fiber for treating uranium-bearing wastewater was introduced,and effect of different ion-exchanging conditions on uranium removal was examined.
实验研究新型无机离子交换剂——四钛酸钾晶须(K2Ti4O9)处理含铀废水。
2.
The paper pointed out that the combination of those treatments would achieve a better result for treatment of low concentration uranium-bearing wastewater.
基于分析环境低浓度铀特点,总结了低浓度含铀废水传统处理方法,分析探讨乳化液膜法、膨润土法、零价铁法、生物吸附法等最新处理技术的原理、特点以及适用范围,指出多种方法综合利用是处理低浓度含铀废水的有效途径。
补充资料：铀Z
分子式：
CAS号：
性质：UZ 历史名称，指核素234pa。天然放射性核素，属铀系成员，β-衰变体，半衰期为6.75h。在铀系衰变过程中，234Th(UXl) β-衰变后生成234pam(UX2)，234pam经同质异能跃迁生成234pa。与1t 238U始核相平衡的234pa的质量为2.19×10-10g。它是1913年由K·Fajans等从铀矿中发现的，但含量很少，因此发现较晚，对其研究亦不够充分。
CAS号：
性质：UZ 历史名称，指核素234pa。天然放射性核素，属铀系成员，β-衰变体，半衰期为6.75h。在铀系衰变过程中，234Th(UXl) β-衰变后生成234pam(UX2)，234pam经同质异能跃迁生成234pa。与1t 238U始核相平衡的234pa的质量为2.19×10-10g。它是1913年由K·Fajans等从铀矿中发现的，但含量很少，因此发现较晚，对其研究亦不够充分。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条