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Table 6 Constraints for the factors and responses in numerical optimization

From: Liquid-phase hydrogenation of bio-refined succinic acid to 1,4-butanediol using bimetallic catalysts

Parameter

Ultimate goal

Experimental region

  

Lower limit

Upper limit

Catalyst Concentration

In range

1

3

Temperature

In range

180

250

Pressure

In range

45

75

Yield of 1,4-BDO

Maximize

0.26

5.03