The evaporator is heated at a low
temperature (T ) around 0-20°C and the absorbate in form of vapor
enters the absorber which has the same pressure as the evaporator at
state 5. Meanwhile, liquid mixture from the generator, at state 6 is sent
through a solution heat exchanger at state 7 into the absorber to the low
pressure at state 8 through expansion device. In the absorber, the strong
solution absorbs the absorbate vapor and the weak solution leaves the
absorber at state 9 at a medium temperature (T ) around 40-50°C
which is same the condenser temperature (T )