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DE17-GO_GRASS/GOGRS

Hydrothermal Carbonisation of grassland-cuttings from wetlands

Description

This technology converts low nutritional quality grass from the wetlands into biochar for soil improvement

Sector

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

Needs/ Problem statement

The grass from protected wetland areas in the polder meadows is heterogeneous, in parts strongly lignified (rigid) and its nutritional value is too low to be used as animal feed or feedstock for biogas production. The harvested grass is therefore mostly used as bedding material for livestock.

Objective

To valorize the late-harvested grass into biochar through the process of pyrolysis (thermal decomposition in an inertatmosphere) or hydrothermal carbonisation. The biochar can be applied site-specifically as a soil amendment to agricultural fields. This process increases the fertility and water holding capacity of the soil.

Bioeconomy fields

Crop residues and perennial plantsx

Designer crops for optimised biomass contentnull

Algae biomassnull

Waste or recycled materialnull

Microbial assisted processingnull

Biorefineries x

Feedstock

Biomass

Outcomes and final product

Biochar

Mobility

null

Value chains

1
2
3

2 - Medium potential - Significant availability of feedstocks available by 2035.

C Sink

1
2
3

2 - Medium potential - strong potential for carbon sequestration at the feedstock or product level only.

Intended user

Farmers

Complexity of the process

1
2
3

2 -easy to use /replicate

Final user

Farmerx

Foresternull

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

Food/Feed = High

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

DE

Official website

https://www.go-grass.eu/project/germany-biochar/

OG Region

DEZZExtra-Regio NUTS 2

Geographic Scope

Regional

Focus Area

FA 4C: Preventing soil erosion and improving soil management. 

Key words

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

Main source of funding

Horizon 2020 (EU Research & Innovation programme)

Period

2019-2023

Duration (months)

null

Number of partners by type

Farmer:

null

Forester:

null

Advisor:

null

Researcher:

1

NGO:

1

Processor or retailer:

null

Training orgaznization:

null

Consumer:

null

Public Authority:

null

Other:

null

Status

Ongoing

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.