Fermentation Tanks
Hydraulic Compost Fermentation Tank, 8–12 m³/day
- Material
- 304 Stainless Steel/steel
- Type
- Fermentation Tanks
2 models · Composting Tanks
Composting Equipment
A vertical in-vessel composting tank is an enclosed reactor that converts organic waste such as livestock manure, food waste and biological sludge into stable compost or organic fertilizer. It is used by livestock and poultry farms, food processors, municipalities and fertilizer producers who need faster, odor-controlled composting in a small footprint.
Composting Tanks: available models
Fermentation Tanks
Vertical In-Vessel Composting Fermenter
- Material
- 304 Stainless Steel/steel
- Type
- Fermentation Tanks
How it works
How composting equipment work
Organic waste is mixed with a bulking material to adjust moisture and carbon-to-nitrogen ratio, then loaded into the top of the sealed vertical tank. Inside, a rotating main shaft with stirring arms mixes the material while a blower supplies air through the shaft, keeping conditions aerobic. Microorganisms break down the organic matter and generate heat, raising the temperature into the thermophilic range, typically above 55 degrees Celsius, which helps kill pathogens and weed seeds. Exhaust air is collected for odor treatment. Matured material is discharged from the bottom of the tank for curing, screening or further fertilizer processing.
Selection guide
How to choose the right model
- 01
Feedstock type and quantity
Manure, food waste and sludge differ in moisture, nutrients and contaminants. Size the tank on daily input volume and the required retention time.
- 02
Moisture and C:N ratio
Successful composting depends on balanced moisture and carbon-to-nitrogen ratio. Plan for bulking materials or pre-dewatering where feedstock is very wet.
- 03
Heating and climate
In cold climates, auxiliary heating and insulation help the process reach and maintain thermophilic temperatures.
- 04
Odor and exhaust treatment
Enclosed tanks make odor capture easier. Specify a suitable exhaust treatment, such as a scrubber or biofilter, for the site's sensitivity.
- 05
Downstream processing
Consider whether the output will be cured, screened, granulated or bagged, and plan space and equipment accordingly.
Typical applications
- Pig, cattle and poultry manure
- Food and kitchen waste
- Municipal and industrial biological sludge
- Agricultural and crop residues
- Slaughterhouse and food processing residues
- Organic fertilizer production
Learn more
Related projects & guides
Poultry Manure Composting Plant with Deodorization
- Capacity
- 5–30 t/day fresh manure
- Process
- Vertical in-vessel fermentation + deodorization
Manure Composting Fermentation Tanks: In-Vessel Process Guide
How vertical in-vessel fermentation tanks turn livestock and poultry manure into organic fertilizer: moisture, C/N ratio, cycle time and odor control.
FAQ
Composting Equipment: FAQ
What is the advantage of in-vessel composting over windrows?
In-vessel composting controls aeration, temperature and odor inside an enclosed tank, so it needs less land and is less affected by weather. Windrows are simpler but require more space and turning.
What temperature does in-vessel composting reach?
Active composting typically reaches thermophilic temperatures above 55 degrees Celsius. Maintaining this range for several days helps reduce pathogens and weed seeds.
Can wet materials such as sludge be composted?
Yes, but very wet materials usually need to be dewatered or mixed with dry bulking agents such as straw or sawdust. This keeps moisture in a range that supports aerobic composting.
Is the output ready to use as fertilizer?
Material leaving the tank is usually cured for a period to stabilize before use. It may then be screened, granulated or blended depending on the intended fertilizer product.
Request a quotation
Need composting tanks for your site?
Tell us the flow, the water or sludge you are treating and the result you need. A process engineer sizes the equipment and replies within one business day.