Carl F. Dahl | German inventor | Britannica
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invention of sulfate pulp
In papermaking: Introduction of machinery
…photoengraving process, and in 1884 Carl F. Dahl invented sulfate (kraft) pulp in Danzig, Germany.
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In papermaking: Chemical wood pulpIn 1884 a German chemist, Carl F. Dahl, employed sodium sulfate in place of soda ash in a soda pulping recovery system. This substitution produced a cooking liquor that contained sodium sulfide along with caustic soda. Pulp so produced was stronger than soda pulp and was called “kraft” pulp, so…
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