Specifications

  Medium size  anaerobic digestion system design for organic waste

Puxin medium size 100m3 biogas plants is composed of a concrete digester and several glass fibre
reinforced plastic gas-holders. The digester is 100 m3 of capacity. The gas-holder is 1.6 m of diameter, 0.75 m of
height and 1.2 m3 of capacity. Puxin medium size biogas system is composed of one or a group of Puxin 100m3
size biogas plants, the feeding system, the biogas purify system (the desulphurization tower and the dehydration
tower), the biogas storage and delivery system, biogas appliances or generators.   

The construction of 100m3 Puxin biogas plant 

 
Features:
(1) High reliable: no mechanic movement, no mechanic failures. 
(2) Wide range of application. The plant can be built both under and above ground. The plant is suitable to
handle both liquids (sewage, human and animal manure) and solids (grass, straw, and food waste). 
(3) Low maintenance cost: very few workers are needed, almost no maintenance for rust prevention and
mechanic repair are needed.
(4) Durable: The concrete digester which can stand strong acid and alkali can last over 40 years, the glass
fibre gas holder can last over 10 years and it is replaceable when it is worn out or broken. 
 
Range of Apply:
(1) Disposal of sewage sludge for waste water disposal stations
(2) Disposal of wastes for medium size livestock farms 
(3) Disposal of sewage and food waste for departments, factories and schools etc.
(4) Disposal of waste water and solid waste for food processing plants and brewing plants. 

 
Volumes of biogas: 
About 50 m3 biogas per day can be collected from 100 m3 digester system, if enough material and more than 30
°C. 
 
Quantity material treated per day: 
1.  1150 kg fresh pig manure or 
2.  1550 kg fresh cow manure or 
3.  700 kg fresh chicken manure or 
4.  850 kg fresh human manure or 
5.  500 kg food waste or 
6.  500 kg grass or 

 
Parameters
Electricity production: 8kw/hour, 10hours per day
Biogas produced: total 50m3/d
Biogas production rate: 0.5m3/dm3 
 
Equipment used to build Puxin medium size biogas system
 
1) STEEL MOULD 100M3: 
(proprietary)
The 100m3 steel moulds are used to construct 100, 75 and 50m3 concrete digesters. The steel mould is reusable.  
This product is composed of 316 steel moulding boards and 1set of support shelf. The product is applied to
construct the concrete digester of the Puxin 50, 75 or 100 cubic meter biogas plant, Digester inner diameter 600cm,
Outer diameter640cm, height: 380cm.
Hs code: 84804900 
   
 
 1) STEEL MOULD NECK 1.2M3
(proprietary)
This product is composed of 26 steel moulding 
boards and 6 work pieces. The product is applied 
to construct the concrete digester neck of the Puxin 
75 or 100 cubic meter biogas plant, Digester inner 
diameter166cm, Outer diameter196cm, height: 130cm 
 
 2) GLASS FIBRE PLASTIC GAS-HOLDER 1.2M3
(proprietary)
This product is one of the main components of the Puxin 100M3 Biogas Plant, and is composed of a container
made with glass fibre reinforced plastic and three steel supports. On the top of the gas–holder there is a valve that
can eliminate the atmospheric pressure.Φ164cm,High 70cm.
31kg/set, Including Steel Supporter and Steel Arms for Gasholders, Caps and O-Ring 
Hs code: 39269090.90 
        
 4) GLASS FIBRE PLASTIC COVER
22kg/set
Hs code: 39269090.90                                      
Neck cover
 
 
4) GAS STORAGE BAG 50M3
Materials:Red Mud reinforced plastics Thickness 
1.0mm.Size:diameter3.3*6M The gas storage bag is used 
to store the biogas. 
 
1) DESULFURIZER & DEHYDRATION 250L 
    
This products is for medium size digester desulfurization&dehyrator with a flow rate ≤400m3/day.  
Equipment Model: PX-250L
Interface caliber: diameter50(PVC flanch) 
Desulfurizer filling: 250KGS once
Application scope: Desulfurization for medium and small size biogas plant 
Suitable to install indoor and outdoor
 
6) WATER PUMP 3KW 
Flow: 40M3/h, head: 13meters, Power: 3KW 
It is used to pump the residue from the spillage
pool into the storage pool for mixing and 
recycling function. 
 
7) SEWAGE PUMP 5.5KW 
Flow: 110M3/h, head: 10meters, Power: 5.5KW
It is used to pump the fermentation material 
from the storage pool into the inlet of the digester.  
 
8) BIOGAS GENERATOR

 Prime power/Standby power:8KW/10KW 

 Warranty:1 year or 1500 running hours which arrives firs

Weight: 2900kg