At present, the recycling economy has become a hot topic, yellow phosphorus production tail gas (referred to as yellow phosphorus exhaust) purification and recycling is also one of the important branch. Yellow phosphorus tail gas is the main component of CO, about 80% of the total volume of 95%, after purification can be synthesized methyl formate, formic acid, acetic acid esters and other chemical products, yellow phosphorus exhaust recycling project is an important demonstration of the current circular economy The project, after the purification process.
Tengzhou Xiangying Analytical Technology Co., Ltd. has a strong chemical activity and corrosive characteristics for the production of yellow phosphorus exhaust gas, the gas chromatographic determination of carbon dioxide in tail gas CO2. The results showed that the detection limit of CO 2 concentration was 0.1% ~ 10%, the average recoveries were 93.6% ~ 104.1%, the relative standard deviations (RSDs) And the detection limit of the method was 1.0 × 10-7 ~ 1.0 × 10-4 when the volume fraction of CO2 in the tail gas was 2.1% -3.2%. After the purification, the trace amount of CO2 in the tail gas was detected by FID detector after Ni-catalyzed methanation. And the relative standard deviation (RSD) was 1.63%.
当前,循环经济已成为热门话题,黄磷生产尾气(简称黄磷尾气)的净化回收利用也是其中的一个重要分支。黄磷尾气的主要成分是CO,约占总体积的80%~95%,净化后可合成甲酸甲酯、甲酸、乙酸酯等C1化工产品,黄磷尾气回收项目是当前循环经济的重要示范工程项目,该工艺对净化后的。
滕州市翔鹰分析技术有限公司针对黄磷生产尾气具有强化学活性和腐蚀性的特点,采用气相色谱法测定黄磷尾气中的CO2。实验结果表明:黄磷尾气中高浓度的CO2用TCD检测器检测,CO2体积分数在0.1%~10%时,检测下限可达到0.05%,方法的平均回收率为93.6%~104.1%,相对标准偏差为2.1%~3.2%;净化后黄磷尾气中的微量CO2经Ni催化甲烷化转化后用FID检测器测定,CO2体积分数在1.0×10-7~1.0×10-4时,方法的检测下限可达到5.0×10-8,相对标准偏差为1.63%。
XiangyingGC7990plus features:
1 excellent performance, competitive price, to meet the customers' choice
2 multi industry adaptability
3 outstanding performance in all kinds of harsh environment
INJ
A variety of sampling ports can be equipped with: packed column inlet, shunt / non shunt capillary inlet,
Hydrogen flame ionization detector (FID)
Maximum use temperature: 400
The minimum detection limit: -12 = 2.5*10 g/s (n-C16)
Linear range: 107 (+ 10%)
XiangyingGC7990plus特点：
- 卓越的性能，具有竞争力的价格，满足广大客户的选择
- 多行业适应性
3. 在各种苛刻环境下均表现出色
进样口
多种进样口可配：填充柱进样口、分流/不分流毛细管进样口、
氢火焰离子化检测器（FID）
***高使用温度：400℃
***小检出限：≤2.5*10 -12 g/s(n-C16)
线性范围：107（±10%）
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