By Henderson W. E.
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Chemical Marketing Reporter, Feb. 11, 1980, pp. 16-20. 9. Chem. Week, 1979, 125(5), 27. 10. C&EN, 1979, 57(28), 19. RECEIVED December 29, 1980. ; ACS Symposium Series; American Chemical Society: Washington, DC, 1981. ch003 VICTOR BRECHERET, JR. , Brazil The Brazilian economy has been severely damaged by continuous increases in crude oil prices. Domestic production of fossil fuels is small, and this year oil imports will demand 40% of all export revenues. There has been a chronic deficit in the balance of payments and monies spent are not recycled within the country.
F o l l o w i n g r e a c t i o n , the ethylene gas i s scrubbed to remove the a l c o h o l and more or l e s s of the ether and i s then r e c y c l e d . A side stream i s p u r i f i e d , vented, or used i n another process. A crude s y n t h e t i c a l c o h o l i s obtained at 15 - 30 per cent a l c o h o l and contains acetaldehyde, o i l s , butanols, ether and some d i s s o l v e d C4 - C5 hydrocarbons along w i t h ethylene. I t i s d i s t i l l e d to remove low and h i g h - b o i l i n g i m p u r i t i e s and to concentrate to 190 proof.
Production Routes Figures 1 and 2 show the process routes f o r methanol s y n t h e s i s . The f i r s t one i s based on a f l u i d i z e d bed and i n c l u d e s a p r e s s u r i z e d g a s i f i e r (Winkler type) that produces a very c l e a n gas, p r a c t i c a l l y f r e e of t a r s and other i m p u r i t i e s from wood d i s t i l l a t i o n . ; ACS Symposium Series; American Chemical Society: Washington, DC, 1981. MONOHYDRIC MAKE-UP ALCOHOLS WATER WOOD z±z J UNIT 1200 ! C02 (H S) 2 CONDENSATE UNIT 6 0 0 FINAL DESULFURIZATION A700 SYNTHESIS CONDENSATE RESIDUAL GAS UNIT 8 0 0 DISTILLATION AUNIT 9 0 0 METHANOL STORAGE Figure 1.
A Course in Inorganic Preparations by Henderson W. E.