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Questions tagged [industrial-chemistry]

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2 answers
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how can I remove salt from water chemically(a direct reaction) ,or convert it to other compound in order to irrigate the soil or any substitutions?

we've a salty water that is approximately 20% wt./wt. conc.(a soaking solution) in a food product company we consumes daily a huge amount of water about 3000L of water , we are seeking about a way ...
rawia's user avatar
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1 vote
1 answer
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Making sense of these recipes for removing anodized coatings of aluminum

Background: There are several black anodized aluminum optical mounting components I'd like to use inside a high vacuum chamber (circa $1 \times 10^{-7}$ Torr or mbar) but several people including the ...
uhoh's user avatar
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1 vote
1 answer
121 views

Are there methods of synthesizing rubber from plant materials?

First and foremost, I am not talking about natural rubber. I am asking if there are any industrially used methods of synthesizing rubber from agricultural products as opposed to synthesis of rubber ...
EMS's user avatar
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-1 votes
2 answers
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What's the best way to recover silver from industrial and medical x-ray film? [closed]

I washed industrial and medical x-ray film with lye and tap water. Can I add bleach to draw the silver out of the lye or would I just add salt water to get AgCl, then siphon off the excess water and ...
Bryan's user avatar
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1 vote
2 answers
288 views

How did Sinclair Oil put "liquid nickel" into gasoline, and what were the chemical mechanism(s) by which it was supposed to reduce engine wear?

The April 22, 2022 Veritasium video The Man Who Accidentally Killed The Most People In History is worth a watch, and was the basis for the question Why would tellurium + sodium hydroxide have worked ...
uhoh's user avatar
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2 votes
1 answer
146 views

What is the purpose of the reflux ratio for solvent extraction?

Not distillation If I understand it correctly, in my example, one has two components, A and B, starting at the "feed" in the aqueous phase. They get both extracted in the mixer settler, but ...
P M's user avatar
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1 vote
1 answer
104 views

Production of town gas

Town gas contains quite a lot of chemicals. Based on my research, the order of abundance of its constitutes is hydrogen, carbon monoxide, nitrogen, carbon dioxide, gaseous naphtha and oxygen, if ...
Freeby Freeby's user avatar
3 votes
1 answer
140 views

The contact process

In the contact process, concentrated sulphuric acid instead of water is used to absorb the sulphur trioxide gas produced.One of the reasons suggested online is that the reaction between sulphur ...
Freeby Freeby's user avatar
7 votes
1 answer
2k views

Is chemistry finally seeing the end of the Haber-Bosch nitrogen fixation process?

Do recent developments in alternatives to the Haber process for nitrogen fixation have good prospect of replacing it? Some recent headlines have suggested that the century-old Haber process for ...
matt_black's user avatar
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5 votes
1 answer
1k views

Why would tellurium + sodium hydroxide have worked as a good anti-knock gasoline additive (if it wasn't so smelly)?

The April 22, 2022 Veritasium video The Man Who Accidentally Killed The Most People In History mentions several aspects of the historical use of tetra-ethyl lead in gasoline, the resulting widespread ...
uhoh's user avatar
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5 votes
3 answers
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Are coke (solid fuel from coal) and charcoal same thing obtained from different sources?

As coke is obtained from destructive distillation of coal, and charcoal from destructive distillation of substance other than coal (like wood and animal bones), are both the same thing, with charcoal ...
Samardeep singh's user avatar
2 votes
1 answer
261 views

What is the link between hydrogen production and potassium oxide?

Is there an industrial process that produces hydrogen with potassium oxide as a catalyst? Or is there a process for the production of potassium oxide that has hydrogen as a by-product?
Chris's user avatar
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-5 votes
2 answers
125 views

How is mercury produced in industry? [closed]

Mercury is the only metal that exists in a liquid state at room temperature. In which form is mercury extracted from its ore? If it produced as a solid, how and when is it turned into a liquid?
user39224's user avatar