Table 1 Organic degradation parameters, gas generation rates and rates for water consumption for two waste groups in accordance with earlier studies4,35,36,67.

From: Two-phase transport in a cemented waste package considering spatio-temporal evolution of chemical conditions

 

Group 1 (cellulose): fast degradation

Group 2 (polystyrene): slow degradation

Reference

m(t = 0) [kg] (for a waste package)

24.7

51.8

This study

λ [a−1]

1.89 × 10−3

6.51 × 10−5

35,36,67

kD [mol kg−1 a−1]

0.07

0.005

4,67

Rate for CO2 [mol kg−1 a−1]

kD*3/6

kD*3/8

This study

Rate for CH4 [mol kg−1 a−1]

kD*3/6

kD*5/8

This study

Rate for water consumption [mol kg−1 a−1]

kD/6

kD*6/8

This study