Conversion of caco3 equivalent, Chemistry

Assignment Help:

Q. A sample of water analysis was found to contain temporary magnesium hardness 25 mg/L. Permanent magnesium chloride hardness 15 mg/L and permanent calcium sulphate hardness 20 mg/L, SiO2  = 30kg/L. Calculate the lime and soda required for softening 30,000 litters hard water.

Ans.

Conversion of CaCO3 equivalent

constituent

amount

Multiplication factor

CaCO3 equivalent

Mg(HCO3)2

25 mg/L

100/146

25*100/146=17.12 mg/L

MgCl2

15mg/L

100/95

15*100/95=15.72mg/L

CaSo4

20mg/L

100/136

20*100/136=14.7mg/L

 

 

 

 

SiO2 do not required Lime soda.

Lime required = 74/100(Temp. hardness + Perm. Hardness) = 74/100(17.12 + 15.12) = 24.30 mg/L

Lime required for 30000 Litre hard water = 24.30*30000 = 729 mg

Soda required = 106/100(perm. Ca hardness + perm. Mg hardness) = 106/100(15.72 + 14.70) = 32.24 mg/l

Soda required for 30000 litre hard water = 32.24 mg/λ*30000λ = 967.2 mg


Related Discussions:- Conversion of caco3 equivalent

Alkane, Ask question pls tell me the reaction of ethane and chlorine#Minimu...

Ask question pls tell me the reaction of ethane and chlorine#Minimum 100 words accepted#

Electrochemistry, sketch of a polarographic current potential curve

sketch of a polarographic current potential curve

Show the properties of lithium aluminium hydride, Q. Show the properties of...

Q. Show the properties of Lithium Aluminium Hydride? Lithium aluminium hydride is much more useful than aluminium hydride. It is prepared in the laboratory by the action of LiH

Find the concentration of hydrogen ions, An aqueous solution has a hydroxyl...

An aqueous solution has a hydroxyl concentration of 1.75 x 10^-7mol/L. Find the concentration of hydrogen ions in this solution.

Rutherford''s scattering experiment is related to the size, Rutherford's sc...

Rutherford's scattering experiment is related to the size of the: (1) Nucleus          (2) Atom      (3) Electron   (4) Neutron Ans: Nucleus

Recrystallization, what is the relationship between the rate of cooling and...

what is the relationship between the rate of cooling and the size of crystals?

Briefly explain about diffusion of gases, Q. Briefly explain about Diffusio...

Q. Briefly explain about Diffusion of Gases? Ans.  The following are some important points on the diffusion of gases: Gas molecules have an average kinetic energy

Ideal chain model, Con?gurational entropy of square lattice models for poly...

Con?gurational entropy of square lattice models for polymers In this problem, we will consider, several models for a polymer on a 2D square lattice. In particular, we will focus on

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd