<p>Acid mists resulting from the wet catalysis production of H2SO4 are precipitated by spraying with 78-98% conc H2SO4 in two stages, the first at 90-200 degrees C and the second at 40-70 degrees C.</p>
申请公布号
BE748218(A1)
申请公布日期
1970.09.30
申请号
BED748218
申请日期
1970.03.31
申请人
NAUCHNO-ISSLEDOVATELSKY INSTITUT PO UDOBRENIYAM I INSEKTOFUNGITSIDAM IMENI PROF. YA.V. SAMOILOVA , LENINSKY PROSPEKT, 55, MOSCOU, U.R.S.S.,
