Coal Tar Distillation And Working Up of Tar Products
The book Coal Tar Distillation And Working Up of Tar Products was written by author Arthur R Warnes Here you can read free online of Coal Tar Distillation And Working Up of Tar Products book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Coal Tar Distillation And Working Up of Tar Products a good or bad book?
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CHAPTER VIII THE RECOVERY OF CARBOLIC AND CRESYLIC ACIDS Crude carbolic and cresylic acids causticizing soda ash and "spent liquor " washing oils for tar acids interchange process recovery of tar acids from phenolate sulphuric acid process CO 2 process distilla- tion of " sprung " cresylic acid air-blowing distilled cresylic acid. CRUDE carbolic and cresylic acids are' a source of considerable income to the tar distiller, and in all well regulated works every care is exercised to recover the ma...ximum amount of each from the tar distillates in which they exist. These two articles consist of mixture of phenols, chiefly of the monohydric series, of which phenol or carbolic acid (C 6 H 5 'OH) is the first. The next in the series are the three isomeric cresols (C 6 H 4 CH 3 'OH). O wing- to the presence of the C 6 H 5 radicle the 'OH group (hydroxyl) possesses slight acid properties (its basic character being some- what modified), and on this account reacts with the caustic alka- lies, forming salts known as phenolates.
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