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Generación óptima de biogás a partir de algas

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TODE20170403001
Publicado:
06/04/2017
Caducidad:
06/04/2018
Resumen:
Una universidad alemana ofrece un nuevo método de producción biotecnológica de biogás mediante fermentación bacteriana de biomasa de microalgas con bajo contenido proteico. Se trata de un método sencillo y eficaz que no requiere el pretratamiento de la biomasa. La biomasa se utiliza como monosustrato para una fermentación anaerobia altamente eficiente y estable en modo continuo a largo plazo. La universidad busca licenciatarios industriales interesados en aplicar este método. Los socios buscados son empresas de biotecnología implicadas en actividades de generación de energías renovables.

Details

Tittle:
Optimal biogas generation from algae.
Summary:
A German university offers a new method for a biotechnological production of biogas via bacterial fermentation of low-protein microalgae biomass. The method is simple and effective. There is no pre-treatment of the biomass needed. Industrial licensees interested in applying the method are sought.
Description:
The production of biogas from algae biomass has been of interest for a long time. Microalgae is an interesting bio-system as it is really fast growing and has a high biomass productivity which is about ten times higher than conventional agriculture crops. However several obstacles, such as, inefficient degradation and low C/N (carbon to nitrogen) ratio limit the applicability of algae biomass for a large scale biogas production process.

The present invention of a German university overcomes most of the technical and biological difficulties and now establishes an improved cultivation and fermentation process for microalgae biomass. The invention provides a simple and effective microalgae cultivation method (under nitrogen limiting conditions) for subsequent use of this biomass as mono-substrate for a highly efficient and stable anaerobic fermentation in continuous long-term mode (Fig.1).

The continuous fermentation of algae biomass, generated under replete-N and low-N culture conditions, was performed under constant hydraulic retention time (HRT 20 days) and increasing organic loading rate. In contrast to conventional biomass (replete-N BM), the biogas as well as methane productivity of the low-N biomass (low-N BM) reactor was constantly high (see Fig. 2), with biomass to methane energy conversion efficiency of 84%, which is close to the theoretical maximum without any pre-treatment.

Industrial licensees are sought who would apply the process. They could be biotechnology companies with renewable energy activities.

Advantages and Innovations:
The technology enables the fast and competitive production of biogas in a continuous biotechnological process in industrial scale. It offers a number of advantages compared to conventional processes:

· More effective production process of biogas through continuous fermentation of microalgae
· More efficient energy source
· New optimized cultivation procedure (low-N) for fertilizer cost reduction
· No pre-treatment of biomass needed
· Methane content (61%) in biogas, higher than plant material
· Highly efficient fermentation to biogas / methane without inhibition risks
Stage of Development:
Available for demonstration
IPs:
Patent(s) applied for but not yet granted
CommeR Statunts Regarding IPR Status:
European patent application

Partner sought

Type and Role of Partner Sought:
The university offers license agreements for commercial use to industrial partners interested in applying this process. Partners could be biotechnology companies with activities in renewable energy generation.

Client

Type and Size of Client:
University
Already Engaged in Trans-National Cooperation:
Si
Languages Spoken:
English
German

Keywords

Technology Keywords:
04006 Biogás y digestión anaeróbica (AD)
06002 Biología / biotecnología
04005011 Biorefinerías para energía
04005006 Solid biomass