Pure AppZ. Chem., PRODUCTS OF COAL (COKE, TAR, GAS) AND THEIR ANALYSIS
2. Liquid products from coal (a) Crude benzol As shown in Table 3, crude benzol and tar (accounting for about 4% of the coal) are obtained as byproducts of coke production. The respective proportians are three parts of tar to one crude benzol. The latter may be defined as