Explain hardness - water softening, Civil Engineering

Assignment Help:

Explain Hardness - Water Softening

1) Hardness is used to characterize a water that does not lather well, causes a scum in the bath tub and leaves hard, white, crusty deposits when water is heated

2) Calcium or magnesium forms soap- Ca or Mg complex and prevents soap from interacting with dirt

3) Hardness- caused mainly by Calcium and Magnesium(actually all polyvalent ions)

4) Common units are meq/l or mg/l as CaCO3


Related Discussions:- Explain hardness - water softening

Conditions of pumping performance, Question In conditions of pumping pe...

Question In conditions of pumping performance, how have to engineers determined use of radial flow pumps and axial flow pumps ? Answer Exact speed is usually define

Diffraction analysis in determining wave force on piles, The Morison equati...

The Morison equation vs. diffraction analysis in determining wave force on piles The choice between Morison's equation and diffraction analysis in determining the wave forces o

Track design for line speed improvements, The objective of this module is:-...

The objective of this module is:- For the student to identify the track design issues and there relationships that will need to be considered in the development of a feasibil

Design the drainage pipes system in reclamation areas, Q. Design the Draina...

Q. Design the Drainage pipes system in reclamation areas? In reclamation areas drainage pipes are generally laid at flatter gradients when compared with upstream stormwater pip

Haley''s formula in pile driving, Question What is major difference bet...

Question What is major difference between "hammer efficiency" and "coefficient of restitution" at what time using Haley's formula in pile driving?   Answer Hammer ef

Back fill behind the abutments of bridges, Q. Back fill behind the abutment...

Q. Back fill behind the abutments of bridges? Dry Rubble - At the bank of all bridge abutments and wing walls, the space next to the masonry is to be filled in by a hand-pack

Water treatment, The transmission main from the well field to the community...

The transmission main from the well field to the community is 2500 ft, the velocity of flow at peak pumping capacity is 3.5 fps, water temperature is 10oC, and pH is 7.5. If free c

Determine the void-ratio and shrinkage limit, An oven-dry soil sample of vo...

An oven-dry soil sample of volume 225 cm3 weighs 3.90 N. If the grain specific gravity is 2.72, determine the void-ratio and shrinkage limit. What will be the water content which w

AERATED CONCRETE, AIR ENTRAINING AGENT USED IN CONCRETE OTHER THAN ALUMINIU...

AIR ENTRAINING AGENT USED IN CONCRETE OTHER THAN ALUMINIUM POWDER

Matlab, Pls provide matlab design for transportation engg.

Pls provide matlab design for transportation engg.

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