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BE15-Grassification/GRSFY

Anaerobic co-digestion of roadside grass clippings

Description

This technology co-digests grass with other waste feedstock like pig manure to produce biogas and fertilizer

Sector

A1.6Support activities to agriculture and post-harvest crop activities

Needs/ Problem statement

Valorization of roadside grass clippings and improving its digestion with other feedstock, as monodigestion of grass can be technically challenging due to its fibrous nature.

Objective

Co-digestion of pig manure with grass clippings, improves the ammonia accumulation in the digester. It also improves the flowing of grass.

Bioeconomy fields

Crop residues and perennial plantsnull

Designer crops for optimised biomass contentnull

Algae biomassnull

Waste or recycled materialx

Microbial assisted processingx

Biorefineries null

Feedstock

Wastes

Outcomes and final product

Energy and biomaterials

Mobility

null

Value chains

1
2
3

3 - High potential - Significant arisings of feedstocks available currently.

C Sink

1
2
3

3 - High potential - strong potential for carbon sequestration at the feedstock and product level).

Intended user

Farmers and foresters

Complexity of the process

1
2
3

null

Final user

Farmerx

Foresterx

Researchernull

Advisornull

NGOnull

Training organizationnull

Processor or retailernull

Consumernull

Public Authority + LAGnull

Othernull

Economic sustainability

1
2
3

null

Social sustainability

1
2
3

null

Environmental sustainability

1
2
3

null

Added value

Very low
Low
Intermediate
High
Very high

Energy & Heat = Very low

Equipment maintenance costs (€/year)

null

Investment cost (€)

null

Operational costs (€)

null

Return of investment (€)

null

Return of investment (Year)

null

Coherence with BBioNets

1
2
3

null

Country

BE

Official website

https://www.biorefine.eu/publications/d-1-4-1-co-digestion-of-roadside-grass-with-vedows-manure-and-pig-slurry/

OG Region

BEZZExtra-Regio NUTS 2

Geographic Scope

European

Focus Area

FA 5E: Fostering carbon conservation and sequestration in agriculture and forestry

Key words

Circular economy, incl. waste, by-products and residues

Main source of funding

Other public (national, regional) research funds

Period

2018-2021

Duration (months)

null

Number of partners by type

Farmer:

null

Forester:

null

Advisor:

2

Researcher:

3

NGO:

null

Processor or retailer:

null

Training orgaznization:

null

Consumer:

null

Public Authority:

null

Other:

6

Status

Completed

TRL

1
2
3
4
5
6
7
8
9

null

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Views and opinions expressed are those of the author(s) only and do not necessarily reflect those of the European Union or the European Research Executive Agency (REA). Neither the European Union nor the granting authority can be held responsible for them.