Manual of Economic Analysis of Chemical Processes
II may he necessary 10 usc'' re(ilIds 10 get rid of a by-product, or to realize only a partial sale al a g-ivell period, wit h Ihe balance of the by-product priced as hlel, if il is such Ihat it can be burned. Somelimes supplementary coslslill'' disposing 01'' by-producls IIIl1st he anticipaled. 2.:l.I.2 Chemicals and Catalysts