Process for the processing of alkaline or alkalized cellulose waste liquors or alkaline cooking liquors of vegetable substances, e.g. B. of wood
DE732232C
Process for smoldering finely chopped fossil wood
DE692469C
Process for coking asphalt and pitch
DE674819C
Process for smoldering finely chopped wood
DE712431C
Process for the production of refined oils and hydrogen from lignite tar pitch, coal tar pitch and the like. like
DE616102C
Process for the desulphurisation of Schwelbezinen
DE427323C
Process for processing lignite using the volatile sulfur it contains
DE403884C
Process for the direct production of oil-free paraffin from ordinary smoldering tar, primeval tar or their distillation products
DE378201C
Process for obtaining creosote-free products from previously dewaxed tar, Thueringer Schwelteer and the like. like
DE373590C
Process for the production of paraffins from primeval tar or its distillation products
DE403215C
Process for the direct production of oil-free paraffin
DE401047C
Process for the direct production of oil-free paraffin from ordinary smoldering tar or their distillation products
DE369883C
Process for the direct extraction of oil-free paraffin from primeval tar or its distillation products in addition to cold-resistant tar or cold-resistant distillates
DE401467C
Process for rendering waste water from primary tar extraction plants harmless
DE372244C
Process for the operation of smoldering plants with pre-drying for wet raw lignite for the purpose of obtaining a high-stick smoldering tar rich in undecomposed bitumen
DE378681C
Device for drying and smoldering wet raw brown coal
DE379408C
Device for drying and smoldering wet raw brown coal
