Lydia Fryda

5 Questions 10 Answers 0 Followers

Questions related from Lydia Fryda

Acidification of biochar to lower its pH?

I am trying to test my biochars (charred biomass residues) in ammonia absorption tests. The more acidic biochars (hydrochars) work better, they have a lower pH than the high temperature chars....

10 October 2018 5,533 8 View

Large scale fluidised bed with porous plate?

I am wondering if there are any larger scale fluidised beds (diameter > 50 cm) with a porous plate, so no perforated plate, no nozzles, just a porous plate. We have a fluidised bed of 23 cm...

05 May 2018 1,716 0 View

Environmental Impact of peat use in horticulture?

When carrying out an impact assessment of biochar as a peat replacement medium, i use the data for peat as available through Simapro software (which uses ecoinvent data). I am not sure though...

10 October 2017 2,623 5 View

Impact of enzymes in LCA?

I have encountered a strange (to me) result in my LCA so far. The use of enzymes in the process (Celluclast 1.5 L (Cellulase) und Novozyme 188 (β-glucosidase) ) seem to have a high environmental...

02 February 2016 8,874 8 View

What adaptations are necessary to the EPA 16 method for PAH in case of biochar?

Longer adsorption time maybe be necessary due to strong biochar-tar affinity.

12 December 2014 9,339 7 View