introduction to biogas technology · pdf filein cooperation with aim of the report • to...
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South African-GermanEnergy Programme
Introduction to Biogas Technology Matrix
National Biogas Platform Meeting
7 July 2016, DBSA Midrand
Sofja Giljova
In cooperation with
Aim of the report
• To provide an overview of the different
types of biogas applications on the
base of maturity of technology, its
international spread and acceptance
• To inform interested stakeholders in
the state-of-the-art biogas technology
applications
In cooperation with
Overview of the outline
• Feedstock for biogas
• Biogas production technology
• Biogas upgrading technology
• Biogas utilisation
In cooperation with
Biogas feedstock
+ co substrates
In cooperation with
Biogas production technology
In cooperation with
Small scale household rural digesters
• Fixed-dome digester
• Floating drum digester
Benefits of household biogas digesters
(source: www.permaculturescience.org)
In cooperation with
Anaerobic lagoons
• Non-agitated covered
lagoons
• Agitated covered
lagoons
Scheme non-agitated covered lagoon
(source: www.skyrenewableenergy.com)
In cooperation with
Complete mixed tank reactors (CSTR)
• Continuous flow
Stirred Tank
Reactor (CSTR),
basic version
• Continuous flow
Stirred Tank
Reactor (CSTR),
advanced version
CSTR plant, advanced
(source: Framatic GmbH)
In cooperation with
High rate anaerobic wastewater treatment systems
• Upflow Anaerobic Sludge
Blanket (UASB)
• Improved anaerobic
lagoons for the
treatment of wastewater
UASB reactor
(source: www.sswm.info)
In cooperation with
Dry fermenters
• Garage or pit
fermenters
• Plug-flow digester or
horizontal dry-
fermentation
digester
Continuous plug-flow dry-digester
(Source: www.biocycle.net)
In cooperation with
Anaerobic digesters for the treatment of sewage
sludge
Anaerobic sludge digester
(source: www.avz.sh)
In cooperation with
Biogas upgrading
Biogas upgrading and utilisation
(Source: www.nachhaltigwirtschaften.at)
In cooperation with
Biogas utilisation
• Combustion in biogas-
fuelled boilers
• Combustion in
stationary gas engines
(CHP units)
• Upgrading for mobility
use
• Upgrading for injection
into a natural gas grid
CHP unit Company Schnell
(source: www.whg-anlagenbau.de)
In cooperation with
Study shortly available on
http://www.biogasassociation.co.za/biogas-info-hub/
Thank you
Sofja Giljova
South African - German Energy Programme (SAGEN)
Deutsche Gesellschaft für
Internationale Zusammenarbeit (GIZ) GmbH
Hatfield Gardens, Block C, First Floor
333 Grosvenor Street
Hatfield 0028
Pretoria, South Africa
T: +27 (0)12 423 6330
C: +27 (0)79 591 2478
F: +27 (0)12 423 6347
S: sofja.giljova
www.giz.de