Destination conversion, back to hydrogen.
Ammonia cracked back to hydrogen at the destination, with waste-heat recovery. Attaches only for corridors whose offtake is hydrogen rather than the fuel itself. A defined slot, ready to populate against a confirmed buyer.
The optional last conversion.
Some buyers want ammonia. Others want the hydrogen inside it. For the second kind, this node cracks ammonia back into hydrogen and nitrogen at the destination, recovering waste heat from the endothermic reaction where it can. It is the mirror of the production-side synthesis node, run in reverse, at the far end of the chain.
This node is deliberately open. It attaches only when a corridor's offtake is confirmed as hydrogen rather than ammonia, and that condition is demand-led, not something supply should assume. The interface is fully specified, ammonia in, hydrogen and heat out, so the slot is ready. What is not yet built is the sized model behind it: cracking efficiency, the energy penalty, waste-heat recovery economics, and CAPEX per tonne of cracking capacity. That model gets built against a real hydrogen buyer, not speculatively.
What the node will need.
| Parameter | Status | Note |
|---|---|---|
| Ammonia feed | Defined | From destination storage, volume buyer-set D |
| Cracking efficiency | To model | Energy penalty, endothermic reaction E |
| Waste-heat recovery | To model | Optional, improves the energy balance E |
| Cracker CAPEX | To source | Per tonne/day capacity, vendor sheets E |
| Hydrogen purity spec | Buyer-set | Determines polishing requirement D |
What the node will produce.
Built when demand calls for it.
The discipline of an open node is restraint. It would be easy to populate this with cracker figures from a technology vendor sheet and present it as modelled. But the node's economics depend on a hydrogen buyer who does not yet exist for this corridor, and modelling demand that is not there is exactly the optimism the rest of the chain avoids.
The node is a defined slot, held open until a hydrogen offtaker is real. Its interface is specified so it can attach the moment demand appears, drawing ammonia from the storage node and producing hydrogen for distribution. The build is well-understood, Thyssenkrupp Uhde and KBR cracker technology, waste-heat integration, balance-of-plant, and an afternoon's work produces a first worksheet once there is a buyer to size it against. This is the next module the chain grows into.
Where the numbers come from.
This node is open. No figures are claimed because none would be credible without a confirmed hydrogen buyer to define the volume and purity specification.
When built, sources would include: Thyssenkrupp Uhde and KBR ammonia-cracker technology sheets for CAPEX and efficiency, and the destination storage node (06) for the ammonia feed it draws on.
Open node: interface defined, model not yet built. It attaches downstream of the destination storage node once a hydrogen offtake is confirmed.
How this node stands alone.
Even unbuilt, the node's interface is fixed: ammonia in from storage, hydrogen and heat out to a distribution network. That specification is what lets it be developed independently the moment a buyer appears.