00:00Before collecting the heat and using it for district heating, the heat was just
00:09cooled down. So we took water from the river Elbe and cooled down the heat that
00:14came from the process and it was used for nothing. It was just wasted. Then when in
00:20Hamburg a whole new district was built, we had this idea to work together with
00:25Anna City who came to us to use the heat for warming households. In order for the
00:33project to be working we needed a total retrofitting of the contact plant where
00:38the sulfuric acid is produced and we needed this big heat exchanger, pumps, pipes
00:44and all these things. Very special steel and stones being able to absorb the heat
00:52combined with the with the acid. What would help to make it more economically
00:58feasible and maybe to make other industries follow our example would be if
01:05you could could incentivize producing or using it's it's already there using this
01:12CO2 free heat by for example providing free allocations in the European emission
01:18trading system or developing some kind of green markets.
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