Download Process Waste produced

Brewing Industry
Waste Production
&
P2 Application
Beer Making Process: Waste Production
Process
1. Malting
2. Milling
3. Mashing
4. Lautering
5. Boiling (brewing)
6. Whirlpool (removing hops)
+ Wort cooling
Waste produced
Process
Waste produced
7. Fermenting
8. Maturing/
Conditioning/
Aging
9. Filtering
10. Bottling &
Pasteurization
Using “-” for “no waste produced “
Waste Production
Barley grains
Waste Production
Spent grains
Spent hops
Beer Making Process: P2 Application
Process
Waste produced
1. Malting
Discarded grains
2. Milling
Spill grist
3. Mashing
4. Lautering
- (no waste produced )
Spent grains
5. Boiling
(brewing)
6. Whirlpool
• Spent hops
(remove hops) + • Cooling water
Wort cooling
P2 application
Process
7. Fermenting
8. Maturing/
Conditioning/
Aging
9. Filtering
Waste produced
• Excess yeast
• Spill beer
10. Bottling &
Pasteurization
• Broken / rejected
bottles and/or
cans
• Waste Cardboard
• Spent yeast
P2 application
Beer Making Process: Waste production & P2 Application
Process
Waste produced
P2 application
1. Malting
Discarded grains (grains of
less than 2.2 mm in
diameter, removed when
grain is cleaned)
• Store at low temperature and low
moisture (improve operation, B1)
• Chicken feed (reuse, D1)
2. Milling
Spill grist
• Chicken feed (reuse, D1)
3. Mashing
- (no waste produced )
- (no waste produced )
4. Lautering
Spent grain (accounting to
about 85% of the waste
produced)
• Animal feed (concentration waste
(dry by evaporation)/ reuse (wet))
(C2/D1)
• Making compose (recycle) (D2)
5. Boiling
(brewing)
-
-
6. Whirlpool
(remove hops) +
Wort cooling
• Spent hops
• Animal feed (adding to spent grain)
• Making compose
• Reuse of wort cooling water as the
process water for the next mash
(D1)=reducing energy use
• Cooling water
Process
Waste produced
P2 application
7. Fermenting Excess yeasts
• Use in the next fermentation
(reuse)
8. Maturing/
Conditioning
Spill beer
• Adding to spent grain that is
being dried through
evaporation and then use as
animal feed (D1)
9. Filtering
• Spent yeasts
• Animal feed
• Making compose
10. Bottling & • Broken / rejected bottles
Pasteurization
and/or cans
• Waste Cardboard
• Making new bottles/cans
(recycle) (D2)
• Making new boxes (recycle)
spent grain has a
lot of fiber and is
high in protein.
Cows eating spent yeast
Yeast Contains Beneficial Protein and
Thiamine (Vitamin B1)
Spent grains have a ton of nitrogen and organic
matter, which are just the stuff plants need to grow.