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Cyclopedia of textile work : a general reference library on cotton, woolen and worsted yarn manufacture, weaving, designing, chemistry and dyeing, finishing, knitting, and allied subjects (1911)

American School (Lansing, Ill.) · Chicago : American school of correspondence · leaf 269

An illustration from Cyclopedia of textile work : a general reference library on cotton, woolen and worsted yarn manufacture, weaving, designing, chemistry and dyeing, finishing, knitting, and allied subjects, 1911, leaf 269
TEXTILE CHEMISTRY AND DYEING 225 softening consist essentially of two steps; first, the chemical pre-cipitation of the objectionable mineral matter in an insoluble stateand secondly, the subsequent removable of this precipitate bymechanical means. The chemistry of the precipitation is com- … Plan of Fig. 77. paratively simple, but the various forms of apparatus for remov-ing this precipitate from the water are more or less complicated.The commonest re-agents used as precipit-ants are sodiumcarhonate and calcium hydroxide. These are added to the water

Textile fabrics · Textile industry

Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.

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