Search Results for: Margarine fractions
naphthalene ( %), anthracene ( %), phenanthrene ( %), fluorine ( %), fluoranthene ( %), phenol ( %) and pyridine ( %). bulk products, such as creosotes and pitches, are also produced from coal tar. with the exception of limited quantities produced in usa through dealkylation of aromatic petroleum fractions
, naphthalene is almost exclusively obtained from coal tar. methyl naphthalene and dimethyl naphthalenes are present in the heavier coal tar fractions ( - c). the dealkylation of these methyl naphthalenes can yield further quantities of naphthalene. the coalite and chemicals products ltd, uk, are processing...
https://niir.org/books/book/handbook-on-coal-coke-cotton-lignin-hemicellulose-wood-wood-polymer-composites-lignocellulosic-plastic-composites-from-recycled-materials-wood-fiber-rosin-rosin-derivatives/isbn-9789381039861/zb,,18bc0,a,0,0,a/index.html