1) nitric acid concentration tower
硝酸浓缩塔
2) concentrated nitrate waste
浓缩硝酸盐废水
4) superazeotropic disti1lation process for dilute nitric acid concentration
共沸蒸馏稀硝酸浓缩法
5) concentrated nitric acid
浓硝酸
1.
The reconstruction of heater in concentrated nitric acid production by magnesium nitrate method;
硝酸镁法生产浓硝酸的加热器改造
2.
,Ltd have developed spiral type of column for concentrated nitric acid bleaching.
针对传统的帽罩式浓硝酸漂白塔存在的缺点和不足,找出原因并予以改进,开发研制出螺旋式浓硝酸漂白塔,改进了工艺状况,减少了维修工作量,达到了节能降耗的目的,确保了直接法浓硝酸装置的长周期运行。
3.
Multi-wall carbon nanotubes (MWNTs) were treated by oxidation method with concentrated nitric acid, and the adsorption of p-nitrophenol on MWNTs before and after concentrated nitric acid treatment has been compared by Raman, SEM and spectrophotometer.
本文采用浓硝酸氧化法来改性多壁碳纳米管,用Raman光谱、SEM和分光光度计对改性前后的多壁碳纳米管对4-硝基苯酚溶液的吸附能力进行了比较研究。
6) the concentration of nitric acid
硝酸浓度
1.
In order to solve the problems encountered in determination of Fe,Mn,Ni,Cu and Zn by FAAS method,the effect of the concentration of nitric acid and the integrated time on determination results was studied in this paper.
针对火焰原子吸收法测定铁、锰、镍、铜和锌时遇到的问题,考察了溶液中硝酸浓度及积分时间对测定结果的影响,发现保持标准系列与被测样品中的硝酸浓度一致有利于提高分析结果的准确性;采用5 s的积分时间可提高测定铁和镍的准确度和精密度。
补充资料：硝酸浓缩塔
分子式：
CAS号：
性质：稀硝酸在塔内脱水制成浓硝酸的设备。塔体为硅铁或其他耐腐蚀材料制成的圆筒。内部结构多为填料型。上为精馏段，下为提馏段。稀硝酸与脱水剂进入提馏段顶部，从顶部流下与塔底加热器蒸出的硝酸蒸气进行换热，98%硝酸蒸气自精馏段顶部逸出，经冷凝、冷却得硝酸成品。特点：操作稳定，适用于稀硝酸浓缩。
CAS号：
性质：稀硝酸在塔内脱水制成浓硝酸的设备。塔体为硅铁或其他耐腐蚀材料制成的圆筒。内部结构多为填料型。上为精馏段，下为提馏段。稀硝酸与脱水剂进入提馏段顶部，从顶部流下与塔底加热器蒸出的硝酸蒸气进行换热，98%硝酸蒸气自精馏段顶部逸出，经冷凝、冷却得硝酸成品。特点：操作稳定，适用于稀硝酸浓缩。
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