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凈化機(jī)理
等離子體化學(xué)反應(yīng)過程中,等離子體傳遞化學(xué)能量的反應(yīng)過程中能量的傳遞大致如下:
(1) 電場+電子→高能電子
(2) 高能電子+分子(或原子)→(受激原子、受激基團(tuán)、游離基團(tuán)) 活性基 團(tuán)
(3) 活性基團(tuán)+分子(原子)→生成物+熱
(4) 活性基團(tuán)+活性基團(tuán)→生成物+熱
從以上過程可以看出,電子從電場獲得能量,通過激發(fā)或電離將能量轉(zhuǎn)移到分子或原子中去,獲得能量的分子或原子被激發(fā),同時(shí)有部分分子被電離,從而成為活性基團(tuán);之后這些活性基團(tuán)與分子或原子、活性基團(tuán)與活性基團(tuán)之間相互碰撞后生成穩(wěn)定產(chǎn)物和熱。另外,高能電子也能被鹵素和氧氣等電子親和力較強(qiáng)的物質(zhì)俘獲,成為負(fù)離子。這類負(fù)離子具有很好的化學(xué)活性,在化學(xué)反應(yīng)中起著重要的作用。
Purification mechanism
During the plasma chemical reaction, the energy transfer during the plasma transfer chemical energy reaction is roughly as follows:
(1) Electric field + electron → high-energy electron
(2) High-energy electrons + molecules(or atoms) →(stimulated atoms, stimulated groups, free groups) active groups
(3) Active group + molecule(Atom) → generator + heat
(4) Active group + active group → generator + heat
From the above process, it can be seen that electrons first obtain energy from the electric field, transfer energy to molecules or atoms by excitation or ionization, the molecules or atoms that obtain energy are excited, and some molecules are ionized to become active groups; These active groups then collide with molecules or atoms, active groups and active groups to form stable products and heat. In addition, high-energy electrons can also be captured by substances with strong electron affinity such as halogen and oxygen, becoming anion. These negative ions have good chemical activity and play an important role in chemical reactions.