1

Function

:

Anaerobic digestion of mixture of cattle dung and green lignocellulosic biomass (weeds, vegetable, residues etc.) to produce biogas and compost

2

Specifications:

:

Rated capacity 1 cu m / day,
Material of construction - Brick masonry,
Substrate - 3:1 mixture of cattle dung and green chopped agro-residues,
TSC of input slurry – around 10%, Feed rate 4.2 - 5.0 kg dm / day,
Retention period - 60 days

3

Design Features

:

4

Performance

:

Average biogas yield of 0.8 - 0.9 m3 / d for monthly average mean ambient temperature of 24 - 25°C.

5

Cost  (approx)

:

Rs. 15 000/- .

Salient Features

Fixed dome type plant, digester of capsule geometry, low dead space at corners of the digester, smooth plug flow of the mixed substrate with no short circuiting. Suitable for substrate consisting of green crop / vegetable residues, weeds like lantana-camara, ageratum etc and cattle dung.

6

Address

:

Contact us

Professor and Head,
Department of Bio-Energy,
TNAU, Coimbatore-641003.
Phone: 0422-6611276
Email: bioenergy@tnau.ac.in