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Búsqueda de un socio para establecer una cooperación técnica y mejorar un sistema de tratamiento anaerobio de aguas residuales biodegradables

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOES20190312001
Publicado:
02/04/2019
Caducidad:
02/04/2020
Resumen:
Un grupo de investigación de una universidad española especializado en ingeniería química aplicada al sector agroalimentario ofrece un nuevo tratamiento anaerobio de aguas residuales complejas con producción de biogás. El nuevo tratamiento se basa en un biorreactor y utiliza un material de relleno de forma desordenada para incrementar la capacidad de acumulación de biomasa activa y permitir el flujo descendente en el tanque de digestión. La tecnología mantiene altas concentraciones de biomasa activa en el tanque de digestión y bajas concentraciones de sólidos suspendidos en las corrientes internas, reduciendo la suciedad de las membranas con el fin de mejorar la eficiencia del sistema. La tecnología está patentada y el prototipo se ha puesto en marcha en una empresa. La universidad busca socios industriales especializados en diseño e instalación de plantas depuradoras con el fin de establecer acuerdos de cooperación técnica o licencia.

Details

Tittle:
Seeking technological cooperation partner for scaling up of anaerobic treatment of biodegradable waste liquids
Summary:
A Spanish university offers a new anaerobic treatment of complex wastewater with biogas production, which is optimized for the agrofood sector. The new treatment is conformed by a bioreactor. A support material is used, in a non-arranged way, increasing the active biomass accumulation capacity and allowing downwards flow in the digestion tank. Industrial partners specialized in designing and installing depuration plants are sought for a technical cooperation or licence agreement.
Description:
Spanish research group has experience and it is focused on applying chemical engineering, specifically to agrofood sector. The group makes emphasis in sustainability with experience in: using carbon dioxide (CO2) as a resource, valorisation of industrial by-products, biogas production and use of clean technologies among others.

Anaerobic membrane bioreactor technology is currently used with good removal efficiencies, but it presents high installation and operation costs. This new technology uses plastic carriers for the biomass retention in the anaerobic digestion tank and gas-lift recirculation in the filtration tank, reducing the damage caused to the biomass by pumping. Biomass adhesion on the support material allows water flow direction downwards in the digestion tank, without the biomass sweeping that would take place in suspended-culture reactors. The organic matter removal efficiency can reach values of 91-98%.

The potential market is wide in the field of improving waste water treatment processes. The main industries in which these technologies could be implemented are biofuels, breweries, dairy industry, distilleries and wine cellars, slaughterhouses and meat by-products, fishing industry, canned food, convenience food, pulp and paper industry, pharmaceutical and cosmetics industry or chemical industry.

The technology is currently protected by patent and the prototype is running on a company. The university is looking for industry partners with experience in designing and installing depuration plants, to scale up the actual prototype and implement the anaerobic treatment under a technical cooperation or a license agreement.
Advantages and Innovations:
The technical issue solved by this technology is that allows keeping high active biomass concentrations in the digestion tank and low suspended solids concentration in the internal streams. This reduces the membrane fouling, with the aim of increasing the efficiency and efficacy of the system.

Organic matter removal efficiency can reach values of 91-98%, with a biogas production of 460-490 l/kg chemical oxygen demand (COD), with a methane content of 60-70% on a dry basis, depending on the composition of organic matter of the wastewater.

Main advantages of its use are:
- The active biomass accumulation capacity and its treatment capacity are increasing due to the use of the support material.
- The frequency of the membrane cleaning operations is reduced, and its lifetime is increased as a consequence of the decrease in the solids deposition over the membranes surface.
- The recirculation associated to gas bubbling, by the effect known as gas-lift, reduces the pumping costs and, specially, the mechanical stress caused by the use of electromechanical pumps that damages the biomass and deteriorates the effluent quality.
Stage of Development:
Prototype available for demonstration
IPs:
Patents granted

Partner sought

Type and Role of Partner Sought:
The university is looking for companies with expertise in depuration plants design and installation.
The partners should be specialized in the industry of water depuration

Licensing agreement: The partner would license to implement the anaerobic treatment offered

Technical cooperation agreement: industrial partners to scale up the prototype

Client

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

Keywords

Technology Keywords:
04005012 Conversión de residuos en energía
10003007 Conversión de residuos en energía / recursos
04005009 Energía a partir de aguas residuales
04005010 Procesos integrados residuos-energía
10004003 Reciclaje de aguas residuales