Arinze Ezieke

5 Questions 6 Answers 0 Followers

Questions related from Arinze Ezieke

Can trial reactors be setup without replicate (duplicate) in semi-continuous long term AD experiments?

I am planning a new set of AD experiments (agricultural waste as a substrate), and if I run a duplicate of my trials, I will have a total of 6 reactors (this seems a lot of work since I have to...

19 February 2020 6,995 5 View

What is ideal volume for head-space in the semi-continuous anaerobic digestion? Is 30% of Total Volume of the reactor recommended?

I am currently formulating a farm model for AD of a highly biodegradable substrate of maximum biogas yield of about 485 mL biogas/gVS. I want to include a percentage to account for the headspace...

01 November 2019 4,868 7 View

How to reduce the alkalinity of microbial inoculum to be used for AD?

I have recently carried out a BMP test, and realized that the microbial consortium (brewery wastewater) used as inoculum had high alkalinity concentration (about 4500 mg/L as CaCO3) with a pH of...

14 August 2019 9,878 5 View

Determining the mg/l element (Al) concentration in a substrate for anaerobic digestion, if given the concentration in mg/kg?

Please can anyone help me with tips on how to determine the mg/l content of Al in a solid substrate/feedstock (mass of 84g) for anaerobic digestion if the elemental analysis of a sample of the...

24 October 2018 5,322 12 View

How do I express tCOD (total COD) reading from mgO2/l to mgO2/kgsample?

Experiment was carried out as follows: - 1g of plant waste (already grand/crushed) was diluted in 250ml of distilled H2O. - 3ml aliquot of the dilution was used for the digestion in the COD...

08 March 2018 9,018 2 View