4 RESULTS Results of factor experiments 23,i.e.2 levels for 3 experimental factors(temperature in 1st stage of hydrolysis,pH of reaction mixture in 3rd stage of hydrolysis and duration of 3rd stage of hydrolysis) are ...4 RESULTS Results of factor experiments 23,i.e.2 levels for 3 experimental factors(temperature in 1st stage of hydrolysis,pH of reaction mixture in 3rd stage of hydrolysis and duration of 3rd stage of hydrolysis) are presented in Tab.2.From analysis of hydrolysate or of remaining chrome cake it is obvious that yield of nitrogen in hydrolysate,in dependence on fluctuating reaction conditions,ranged in quite narrow limits 58%-65%.展开更多
文摘4 RESULTS Results of factor experiments 23,i.e.2 levels for 3 experimental factors(temperature in 1st stage of hydrolysis,pH of reaction mixture in 3rd stage of hydrolysis and duration of 3rd stage of hydrolysis) are presented in Tab.2.From analysis of hydrolysate or of remaining chrome cake it is obvious that yield of nitrogen in hydrolysate,in dependence on fluctuating reaction conditions,ranged in quite narrow limits 58%-65%.
