The absorption device of neutralization tail gas is improved by phosphoric acid absorbinggas ammonia in neutralization tail gas and circulation absorption fluid returning to acid mixing unit.
对传统中和尾气吸收装置进行改造，利用磷酸吸收中和尾气中的气氨，循环吸收液重新返回混酸系统使用。
2
But experts say it takes decades for trees to start fully absorbing the gas, making them a questionable offset for airplanes, which emit carbon dioxide.
但专家说，树木开始充分吸收气体需要数十年，这对于排放二氧化碳的航空公司来说是一个有疑点的补偿。
3
No one doubts that carbon dioxide is a greenhouse gas, good at absorbing infra-red radiation.