FIELD: chemical industry. SUBSTANCE: the process is carried out using mixed hydride NaH(LiAlH4)1/2 or nickel chloride with mixed hydride at 1:5 NiCl2/NaH(LiAlH4)1/2 (mole/mole) ratio at 22-80 C. The process makes it possible to achieve high conversion degrees with 1-3 % polychlorinated aromatic hydrocarbons. The process has high reproducibility. EFFECT: more efficient purification process.
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Authors
Dates
1996-03-27—Published
1993-03-15—Filed