Aa Amir

8 Questions 2 Answers 0 Followers

Questions related from Aa Amir

why pH test after fermentation process is necessary?

#bioethanol #fermentation #yeast #pH

27 May 2021 7,604 6 View

Why the TSS of fruits never reach 0 after fermentation?

This might sound silly, but I'm wondering as to why there is still residual sugar in the fruits after fermentation. Thanks! #TSS #sugar #fermentation

16 May 2021 2,136 4 View

What type of carbonic acid and organic acid that occurred after fermentation process?

I'm reading a research paper that stated the pH value of the decreased due to the production of carbonic acid and other organic acids. Therefore, I want to know what types of carbonic acid and...

08 May 2021 6,709 3 View

What is the limit for metal content for ethanol blending?

I need to know the limit for metal content for ethanol blending especially for Mg, Pb, Cu, Ag, Na, Fe, Ca, Zn. Thank you so much, in advance! #bioethanol #metal #ASTM #fuelblending

07 May 2021 7,449 2 View

The concentration of ethanol that I obtained was quite low which is 0.5%. What are the possibilities for this to happen?

I figured that it was because of its TSS which is around 13 Brix. Therefore the ethanol concentration obtained might be low. The fruit was Mango and the temperature was at 25C. S. Cerevisiae...

20 March 2021 1,661 4 View

May I know the best method to test the Total Soluble Solid (TSS) of the fruit pulp after the fermentation process?

I'm doing a fermentation of fruits to obtain bioethanol. Right now I'm thinking of using a refractometer to measure the sugar content. #bioethanol #fermentation #totalsolublesolid #sugarcontent

12 February 2021 5,578 4 View

Hi, can anyone suggest me the proper/safest way to store 5% of Sulphuric Acid?

are plastic containers okay? due to its low concentration? #sulphuricacid #bricks #storage

18 August 2020 1,903 3 View

Is it necessary to distillate the ethanol obtained from fermentation. If that so, what’s the best method to distillate the ethanol?

The raw materials I'm using are pineapples, bananas and mangoes. I’m thinking of using a rotary evaporator. Is that good enough? if that so, what's the best temperature, rotation, and duration...

09 August 2020 1,455 3 View