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The impact of soil salinization on ground water chemistry (Zhang Luqianxue)

Introduction

TITLE Rainwater evaporation from Ladouche2009
SOLUTION 1  Precipitation of rainfall in the South France
        units           ueq/L
        pH               6.2
        Ca              163.3
        Mg              103.6
        Na              419.5
        K               13.9
        Cl              572.8
        C(4)            188.2	as HCO3   CO2(g)    -2.2	  
        S(6)            98.5
        N(-3)           35.5
        N(5)            42.8
 	 Br		      0.195
	  B		      1.4616
	  Sr		      0.0286
	  Se		      1.963

EQUILIBRIUM_PHASES 1 Equilibrate with Minerals and gas
	CO2(g)		-0.7  # write the partical pressure log(CO2)
	Calcite		0
SAVE solution 2
SELECTED_OUTPUT
	-file	EvpRWLadouche2009.txt
	-pH
	-molalities	Ca+2 Mg+2 Na+ K+ Cl- SO4-2 NH4+ NO3- Br- H3BO3 Sr+2 HSeO3- SeO3-2 HCO3- CO3-2 
	-saturation_indices	Calcite Gypsum  Epsomite

END

TITLE Evaprate water
USE solution 1
REACTION 1 evaporation
	H2O	-1.0
	# All calculations of the program are for 1 kg of water
	# 1 kg of water has 55 moles. Why: 1 mol H2O =18g
	# 1000/18=55.555555
	# Remove 90% of the inital water: evaporate 90% of rainfall
	# 0.9*1000/18= 50
	5.55 11.11 16.67 22.22 27.78 33.33 38.89 44.44 50.0 51.0 52.0 53.0 54.0 55.0 55.1 55.2 55.3 55.4 55.41 55.42 55.43 55.44 55.45 55.46 55.47 55.48 55.49 55.5 moles
SAVE solution 3
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