How can I treat a waste stream containing both hexavalent chromium and arsenic?

How can I treat a waste stream containing both hexavalent chromium and arsenic?
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1 Answer

Answer :

Waste streams that contain these types of mixtures are often treated in two or more reducing tanks.  Strong reducing agents such as sodium metabisulfite, sulfur dioxide, and sodium bisulfite are often used.
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What do people commonly do to rice to remove the arsenic?

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Last Answer : They don’t. They just try not to eat too much or too often.

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Last Answer : Arsenic has 33 electrons .

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Last Answer : Acceptable levels of arsenic in water : 0 . 01 Mr. _ Gr . Per Litter.

What is the atomic number of arsenic ?

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Last Answer : The atomic number of arsenic is 33 .

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Last Answer : Arsenic is a toxic chemical that contaminates tube well water.

What is arsenic contamination ?

Last Answer : Arsenic contamination occurs due to natural causes. The soil contains arsenic minerals. When this mineral comes in contact with the ground water level, it mixes with the water and contaminates the water. Thus arsenic ... the onset of rain. The tank needs to be thoroughly cleaned 2 to 3 times a year.

In which district was the first arsenic detected ?

Last Answer : The first arsenic was caught in Chapainawabganj.

Arsenic Free District How many ?

Last Answer : 3 Rangamati , Bandarban , Khagrachhari.

general Most More Arsenic Pollution free Upazila Which one ?

Last Answer : Bangladesh Most More Arsenic Pollution free Upazila Shahrashti.

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Last Answer : Arsenic Atomic Number - 33

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The oxidation number of arsenic atom in `H_(3)AsO_(4)` is :-

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Last Answer : 4,75 moles of arsenic trichloride (AsCl3) is equal to 181,28 g.

What is the type of bond by germanium and arsenic?

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Last Answer : Feel Free to Answer

What is the chemical formula for arsenic(v) hypophosphite?

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Last Answer : What is the answer ?