Recent content by jmarkwalker

Thanks for the link. I've bookmarked it now.

Hi SteamKing, Thank you for your reply. You've managed to answer most of my questions. Thank you also for explaining the freeze drying process - I didn't realize that freezing was done before pressure reduction. Having explained how desalination is done, it shows to me that it is more energy...

Thank you. I'm only just beginning to browse through what's on here. I'm very impressed so far.

Hi folks, My name is Mark and I build biogas combined heat and power systems for a living. I've designed and built over 70 systems all running on a variety of alternative fuels. I's like to say that there's not much I don't know about the theory of internal combustion engines and heat recovery...

I want to reduce the amount of water present in the digestate coming out of my Anaerobic Digester. The traditional method would be to boil it until I've removed as much off as I want. However, this is expensive from an energy consumption point of view. There's a great video on Youtube showing a...