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Table 4 Reaction kinetic equations of several different orders

From: Performance optimization of novel multi-unit green wall system for blackwater treatment and reuse on-site

Orders

Kinetic equations

Units

Half-life t1/2

Differential form

Integral form

0

\(-\frac{dC}{dt}={k}_{0}\)

\({C}_{0}-C={k}_{0}t\)

mol*m−3*s−1

\(\frac{{C}_{0}}{2{k}_{0}}\)

1

\(-\frac{dC}{dt}={k}_{1}C\)

\(ln\frac{{C}_{0}}{C}={k}_{1}t\)

s−1

\(\frac{0.693}{{k}_{1}}\)

2

\(-\frac{dC}{dt}={k}_{2}{C}^{2}\)

\(\frac{1}{C}-\frac{1}{{C}_{0}}={k}_{2}t\)

(mol*s)−1

\(\frac{1}{{k}_{2}{C}_{0}}\)