AEA Conference thyssenkrupp Uhde Karan Bagga | August 2021

Flexible green ammonia synthesis and

Large scale ammonia cracking technology by Uhde®

AEA Conferencethyssenkrupp UhdeKaran Bagga | August 2021

AEA Conference 2021 | thyssenkrupp Uhde | August 2021 | Karan Bagga

Power

Hydrogen

Ammonia cracking

Green Ammonia as Energy carrier – Set up along the whole energy supply chain

Transport

Air separation unit

Wind/ Solar/ Hydro

Electrolyzer

Hydrogen

Nitrogen

Gas Turbine Power Generation

Power Plants Direct Usage

Fuel

Green Steel

Chemicals

N H

HH

H

H

Ammonia production

The complete solution from one source

Ammonia usage for energy transport, utilization as energy carrier or re-conversion to hydrogen

Ammonia storage & loading

Ammonia storage & unloading


Fired catalytic NH3

Cracker

NH3(l)

100% NH3

Cooling

Flue gas

H2 productNH3

PreheatingNH3

EvaporationH2 Purification

Offgas (H2, N2)External source Fuel

Ammonia cracking based on Uhde® proprietary equipment, high hydrogen yield and adaptable to user requirements

catalyst surface

Purities of 99.96% or higher are possible

Overall hydrogen recovery of ~78%,after taking into account all fuel

N H

HH H

H

Suitable for large scale applications

With 1 kg NH3 0.13 kg H2 as final product


An techno-economically robust solution is a matter of minimising the entropy in the system

System: Right scale & energy mix, avoid over-compensation Technology: Flexible, robust and efficient


1. Deep turndown - key to minimising hydrogen storage

Limited by machinery performance and reaction parameters

Deep turndown and dynamic response enables lower CAPEX, however ultimately it is a matter of Total Cost of Ownership (TCO)

Synthesis Loop Turndown Performance Hydrogen Storage Requirements

> 50% reduction in peak storage requirement


FIC10

PIC2

FI12

TIC6

FIC3

PIC2

H2

2. Dynamic performance - Uhde® high flexibility ammonia synthesis, based on advanced digital solutions, for large scale direct coupling with renewables

Dynamic Operation of ammonia plantFluctuation of renewable energy

Compression and Storage Ammonia SynthesisElectrolysis

Master Control

- Adjusts ammonia production to forcasted H2 flow

- Ramps up- and down NH3 plant- Minimal hydrogen storage need- Without pressure change!


engineering.tomorrow.together.

Karan BaggaChief Engineerthyssenkrupp Green Hydrogen and Chemicals Technology

[email protected]

mailto:[email protected]

Documents

AEA Conference thyssenkrupp Uhde Karan Bagga | August 2021