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Puxin Biogas Digester 

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TN4 - Puxin Biogas Digester The Puxin Biogas Digester is a fixed dome-type medium-size biogas-digester for farms and other bio-waste producing facilities.

Description

The Puxin Biogas Digester has been developed in China. A country with a long tradition in using the biogas technology.
For building the stomach and the neck of the digester we use a mould. This mould is filled with concrete.
This way of construction guarantees precise fitting of the gasholder on top.

Within 2 days the digester is cast. The whole plant can be built within 2 weeks.

The Puxin Biogas Digester can be operated with any kind of manure (cow, pigs, etc), solid bio waste as well as sewage.

There are 3 sizes of stomach (6 m3, 10 m3, and 14 m3) and 2 sizes of gasholders (900 litre and 1100 litre). 

The many successful installation have proven this technology really "Fit for Africa".

Advantages

  • The mould makes the digester easy and fast to build, thus saving money.
  • The use of the corrosion-free fibreglass gasholder and its unique way of mounting on the digester neck guarantees tightness.
  • The underground installation avoids any damage from the environment thus reducing the maintenance to an absolute minimum.
  • The material used and the way of construction guarantee a long lifespan and therefore an easy payback.
  • The Puxin Biogas Digester is a mature technology which has already been installed in Kenya many times.

Appliances

There are standard appliances for the Puxin Biogas Digester:
  • 1 or 2 flame biogas cooker
  • Biogas lamp
  • Biogas water heater
  • Installation material: fittings, pressure gauge, desulphurizer

Installations

Installation Where When Size Feedstock Application
Mitedi, Community Project Makirungwe, Mombasa  December 2008 10 m3 solid biowaste, cow manure cooking, lightning
5* Hotel Kikambala, Kilifi, Kenya November 2008 14 m3 solid biowaste cooking
Cow Farm Mtwapa, Kenya August 2008 14 m3 cow manure cooking
Cow Farm Kizingitini, Mtwapa, Kenya May 2008 18 m3 cow manure cooking, el. power
Household Farm Utange, Mombasa August 2007 10 m3 cow manure cooking
Go-Kart Track Bamburi, Mombasa July 2007 12 m3 solid biowaste cooking, grilling, frying, water heating, lightning
Tree Plantation Ngamani, Mtwapa, Kenya June 2007 14 m3 solid biowaste cooking, el. power
Boarding School Utange, Mombasa March 2007 28 m3 cow manure cooking, lightning
Demonstration Farm Mtopanga, Mombasa February 2007 10 m3 cow manure cooking, lightning

Picture-Gallery

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e-mail last site update: 13.02.2009
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