A Ton of refrigeration (TR), Amount of heat require to melt a ton of Ice over 24 Hr period, that much of energy is called ton of refrigeration
A Refrigeration Ton is approximately equivalent to 12,000 BTU/Hr British thermal unit / Hour
one ton of refrigeration capacity can freeze one short ton of water at 0°C (32°F) in 24 hours. [....]
Before to Calculate the capacity of the Water Softener (softening) Plant, to choose how much water to be softened. In this case, 100M3 to be softened at 400 ppm of Feed Hardness to 5 ppm.
How to Calculate the resin capacity?
The Resin Exchange Capacity is mention into the product’s supplier Data Sheet*.
Normally cationic exchange capacity : 55/liter of [....]
In waste water treatment plant you are hearing frequently the word of Detention Time.OK before to calculate the Detention Time of any tank or basin,First we should understood about that one and how it is important one.
Detention time is the length of time water is retained in a vessel or basin or the period from the time the water
Total Coliforms:Coliforms are a group of gram-negative, rod-shaped bacteria that are nonpathogenic and nonspore forming. The most common coliform genera are Escherichia, Enterobacter, Citrobacter,Serratia, and Klebsiella, with E. coli being the most abundant in the gut of humans and other warm-blooded animals. Coliform bacteria are identifiable by their ability to ferment lactose to produce acid and gas within 48 [....]
* 0.1N Iodine solution ( 40 gm KI in 1 Ltr of Distilled water ).
* 0.05N Sodium Thiosulphate solution (12.5 gm Na2S2O3.5H2O in 1 Ltr Distilled water)
* 1% Starch solution
* Activated carbon
I Standardisation of Iodine solution
* Take 10c.c of 0.1N Iodine solution in [....]