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1)  calcium method
钙法
1.
Study on sulfate anion removal by calcium method in concentrated sulfate brine
浓硝盐水的钙法脱硝工艺研究
2)  calcium-based process
钙法
1.
The main characteristics,mechanisms and affecting factors of three kinds of calcium-based processes for flue gas desulfurization,such as wet ,dry and semi-dry processes,are summarized.
综述了湿法、干法与半干法 3种钙法烟气脱硫技术的主要特点、脱硫机理及主要影响因素。
3)  Ca-Ca double base process
钙-钙双碱法
1.
This paper introduces the selecting principles of flue gas desulfurizing technology and equipment,the desulfurizing mechanism,process flow scheme,technological features and desulfurizing effect of Ca-Ca double base process.
本文介绍燃煤锅炉烟气脱硫工艺及设备选择的原则、钙-钙双碱法脱硫原理、工艺流程、工艺特点及脱硫效果。
4)  calcium balance method
钙平衡法
1.
Based on the total mass conservation principle of calcium element in a desulfurization agent before and after a reaction,the authors have proposed a novel method for analyzing a calcium-based gas-solid desulfurization reaction-calcium balance method.
基于脱硫剂反应前后钙元素总量守恒的原理,提出了一个分析钙基气固脱硫反应的新方法-钙平衡法。
5)  calcification method
钙化法
1.
The process conditions of oxalic acid preparation using calcification method were studied.
研究了钙化法制备草酸的工艺条件,并确定了其钙化反应的最佳工艺条件:配料比(Na2C2O4:Ca(OH)2)为1:1。
6)  single superphosphate method
普钙法
1.
Based on test and analysis of defluorination mechanism in production of feedgrade phosphate by single superphosphate method, the technological measures with raising phosphorus concentration (P 2O 5≥100 g/L)in leach liquor and controlling defluorination endpoint(pH=2.
通过对脱氟过程反应机理的探讨和试验研究 ,提出普钙法生产饲料级磷酸氢钙 ,需提高浸取液中磷的质量浓度 (P2 O5 >10 0 g/ L) ,并控制加 Ca(OH) 2 的脱氟终点 (p H=2 。
补充资料:氰氨化钙法
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性质:固定氮法的一种。使空气中的游离态氮固定为氰氨(基)化钙。以石灰、焦炭或煤和空气为原料,先将石灰和焦炭或煤混合,放在电炉中加热至2000~2200℃。使起反应而生成碳化钙。再经冷却、磨细后,放在电阻炉中,通入由液化空气所分出的氮气。使在1000℃左右作用而成氰氨(基)化钙。

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