Hyunjun Song

6 Questions 1 Answers 0 Followers

Questions related from Hyunjun Song

When cultured optimum pH AOB(Ammonia Oxidation Bacteria)?

AOB (Ammonia Oxidation Bacteria) was cultured pH 7.8(NaOH), NH4Cl medium A few hours later change pH 8.8. Does pH usually rise after culture?

01 April 2024 4,774 0 View

Why does the titer value decrease after filtering in the process of obtaining enzyme products using microorganisms?

Cells are disrupted and debris are removed using a 0.2 μm filter to obtain enzymes. However, after filtering(remove debris) , the value of the titre is very low. why happen to low enzymes...

21 July 2023 3,613 2 View

What are the types of microorganisms in the wastewater treatment plant?

I would like to know the microbial species in the aeration tank of the wastewater treatment plant.

27 May 2021 2,612 5 View

How define one baker unit(BU) is the amount of hydrogen peroxide catalase ?

I'm working on enzymes. There is a term “BU” in relation to enzyme performance, BU : one baker unit(BU) is the amount of catalase that will decompose 264mg of hydrogen peroxide under the...

08 February 2021 2,241 1 View

Why does COD increase over time when external carbon sources are added in the denitrification process in waste water?

Why does COD increase over time when external carbon sources are added in the denitrification process in waste water? After 1 hour, the concentration increased from 30mg/l to 40mg/l after 20...

18 January 2021 585 9 View

Seperate of organic and inorganic phosphorus in waste water?

Is it possible to separate organic and inorganic phosphorus in wastewater with a filter?

15 January 2021 1,203 3 View