Questions tagged [process-chemistry]

The tag has no usage guidance.

8 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
3
votes
0answers
60 views

The most convenient process to purify Oxalic Acid up to a high level of purity

I am set out to purify a batch of commercial oxalic acid with the aim in mind to end up with a highly pure product (starting from $\pu{4,000 ppm}$ total impurities and doing so with basic lab ...
2
votes
0answers
24 views

How to control pH in a fermenter based on the acid produced by mircoorganism

I have got a bioreactor with an aqueous medium which produces biomass (yeast; S.cerevisiae) after inoculation. I am observing and collecting data over the whole process via probes/etc. on different ...
1
vote
0answers
27 views

Calculating the effects in a fractionating column

Consider a fractionating column used to separate a mixture of acetone (A) and toluene (B) with a liquid molar composition of acetone called x. The feed is F, the distillate is D, the waste is W and ...
0
votes
1answer
35 views

Laboratory setup for the distillation of sulfuric acid

Purification of Laboratory Chemicals, 5th Edition, by Armarego, reads (p. 53): Reagents such as water, ammonia, hydrochloric acid, nitric acid, perchloric acid, and sulfuric acid can be purified via ...
0
votes
0answers
11 views

Free Energy vs. Common Ion Effect in Ultrapurification

I'm wondering which of the two phenomenae grows in importance and which one becomes irrelevant when the proportion of impurities in a product being purified become increasingly small: The common ion ...
0
votes
0answers
22 views

Little to no reaction in my hot process soap

I tried to make hot process soap and it was a failure. I carefully weighed the ingredients, but when I added the KOH to the melted oil, nothing happened. When I watch videos on hot process soap making,...
0
votes
0answers
48 views

How to determine the expression of polytropic specific heat and the rule of polytropic transformation? (Thermodynamics)

This is how i manage to solve this question, any feedback is welcome. Also, if you feel that this is not easy understandable, feel free to add comments. I will drop a link to this file in my drive. ...
-2
votes
0answers
25 views

Purification of Glycine

I have a few Kg of Glycine with ~ 10ppm Heavy Metals, I'm wondering how I could conveniently purify all of it down to say < 1ppm Heavy Metals. What would be the most efficient and convenient way to ...