Steam requirement calculation

1. Sep 16, 2011

punitdubey21

1. The problem statement, all variables and given/known data
i need to calculate steam required to remove moisture content from the paper .
low pressure steam: 2.7kg/cm2
i have calculated total water to be evaporated : 3500kg/hr
machine speed is 335 mt/min
gsm of paper:64gsm
deckle width;310 cm

2. Relevant equations
Q=ML
Q is the total heat required to evaporate water
M= mass flow rate of steam
L=latent heat of vaporization

3. The attempt at a solution

see i have calculated total water to be evaporated based on moisture content . but not getting how to calculate heat required since 1 kg of water required 2257kj/kg to convert it into steam .
i m very confused what to do . . .