Hydrothermal Gasification

Hydrothermal gasification is another technology that converts wet biomass into biogas. Unlike anaerobic digestion, hydrothermal gasification happens at high temperatures and high pressure. Therefore its capex is even higher.

Attribute	Description	Standard value	Unit	Data type
deployment	If set to ‘true’, the technology will be considered in the energy system model (this does not necessarily mean it will be used). Only relevant for optimisation.	False	—	bool
color	Color for plot	#3A880A	hex	str
efficiancy	Conversion efficiency	0.6	—	float
capacity_kW	maximum power	inf	kW	float
co2_intensity	Carbon-dioxide intensity of technology output (annual average value).	0.69	kg CO2/kWh	float
lifetime	Expected lifetime of technology before replacement is required.	25	years	int
om_cost	Operation and maintenance cost per consumed carrier unit	0	CHF/kWh	float
capital_cost	CAPEX cost of technology per unit of capacity.	8268	CHF/kWp	float
maintenance_cost	OPEX cost of the technology per unit of capacity	10	CHF/kWp/year	float
interest_rate	Interest rate for computing levelised costs (if required).	0.025	—	float

The relationship between the in- and outflows is given by

\[\mathtt{v\_gas\_hg} = \mathtt{efficiency} \cdot \mathtt{u\_wet\_bm\_hg}\]

The symbols and names of the flows are

v_gas_hg	Outflow Gas
u_wet_bm_hg	Inflow Wet biomass