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Tuesday, September 23, 2014

slaughter house discharge calculation

Calculation for discharge for a slaughter house:

Standards :

Waste water will be 1000 liter/buffalo and 100 liter/ goat., 3 liter / chicken(European Standard).

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Calculation :

A. For Goat / Sheep :

Discharge is 3 cu mtr per ton of goat / sheep

One goat weighs 25 Kg

100 goat weighs = 100 x 25 = 2500 kg= 2.5 ton

Discharge in 100 goats = 3 x 2.5 = 7.5 Cu mtr = 7500 liter
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B. FOR CHICKEN

Discharge is 1.7 Cu Mtr per ton of chicken

One chicken weighs 1.5 kg

500 chicken weighs = 500 x 1.5 = 750 kg =0.75 ton

Discharge in 500 chicken=0.75x1.7=1.275cu mtr=1275 liter
TOTAL DISCHARGE = 7500 + 1275 = 8775 liter per day


LET US DESIGN FOR A TOTAL DISCHARGE 10,000 liter per day

DATA:
Water usage at plants such as this tend to be affected by the attitudes of both the in-house operators and the local veterinary inspectors to water usage and conervation. My experience of typical "normal" unit loads, (european experience), that can be achieved at a well run slaugher facility are set out below:
Cattle: 0.9 m3 /head and 3.5 kg BOD /head. (This includes an allowance for washing of livestock pens, and delivery vehicles, running / recovery of casings and edible fat, normal slaughtering aspects, very good blood collection, but excludes any allowances for cooking of cuts, pressing of paunch or belly grass materials, or for other value added processing). 

Pigs: 0.5 m3/head, and 0.6 kg BOD per head. (This also includes an allowance for washing of livestock pens, and delivery vehicles, running / recovery of casings, normal slaughtering aspects, very good blood collection, but excludes any allowances for cooking, curing, or other valued processing). 

Sheep: 0.08m3/head and 0.35 kg BOD per head processed.
(This too includes an allowance for washing of livestock pens, and delivery vehicles, running / recovery of casings, normal slaughtering aspects, very good blood collection, but excludes any allowances for cooking or other value added processing). 

Read more: http://saleemindia.blogspot.com/2012/04/calculation-of-discharge-in-animal.html#ixzz3E7fsxvas
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