Essays about: "ZnCl2"

Found 2 essays containing the word ZnCl2.

  1. 1. Rheological study of cellulose dissolved in aqueous ZnCl2 : Regenerated cellulosic fibres for textile applications

    University essay from Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

    Author : Louise Ulfstad; [2013]
    Keywords : Rheology; cellulose dissolution; ZnCl2;

    Abstract : The most known regenerated cellulosic fiber is viscose, produced in a wet spinning process, but due to cost and environmental issues other processes have been developed. Lyocell fibers, produced in air-gap spinning, have superior dry and wet strenght and a lower environmental impact compared to viscose. READ MORE

  3. 2. Evaluation of alkali- impregnated honeycomb catalysts for NOx reduction in the SCR-process

    University essay from Institutionen för teknik och design

    Author : Sofia Johansson; [2006]
    Keywords : SCR; KCl; K2SO4; ZnCl2; wet impregnation; catalyst; deactivating; activity;

    Abstract : Samples of SCR catalysts were impregnated with the following alkali salts; KCl, K2SO4 and ZnCl2 at two different concentrations in a wet impregnation method. The activities of the six samples were measured in a test reactor and at different temperatures between 250-350 ºC. Compared to fresh catalyst, the impregnated samples all had lower activity. READ MORE