METHOD OF RECOVERING NITRIC ACID

• Main Authors: GOSTININ G.I, SAPRYKIN V.F, ZIL'BERMAN B.JA, SAKULIN S.V, MAKARYCHEV-MIKHAJLOV M.N
• Format: Patent
• Language: English; Russian
• Published: 27.09.1996
• Subjects: CHEMISTRY; COMPOUNDS THEREOF; INORGANIC CHEMISTRY; METALLURGY; NON-METALLIC ELEMENTS

FIELD: chemical engineering. SUBSTANCE: nitric acid is recovered from raffinates containing acetic acid by means of rectification and/or scrubbing in column accompanied with withdrawing acetic acid into slightly acidic distillate produced by distilling acetic acid in a zone wherein vapor flow exceed...