Concentration of the refined FeCl3

2007-12-28View Original

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This post was last edited by sunjl1981 on 2013-1-6 23:50. What is the typical concentration of FeCl3 added to the preprocessor? (Is it 1%–3% before entering the preprocessor?) What is the general addition temperature for various refining agents? Thank you! ! # ，， &

Reply #22007-12-28

Solutions of 15±5% Na2CO3, 1.0–3.0% FeCl3, 15±5% BaCl2, about 1.0% Na2SO3, about 1.0% NaOCl, and 30% NaOH were prepared, with concentrations meeting the required standards. The temperature of various refined products is generally above 40°C.

Reply #32007-12-28

Thanks, brother upstairs! ! The added NaSO3 is probably meant to mainly remove free Cl2, right? Based on 100% NaOH per ton, what is its amount?/

Reply #42007-12-28

Thanks, brother upstairs! ! The added NaSO3 is probably meant to mainly remove free Cl2, right? Based on 100% NaOH per ton, what is its amount?/It’s approximately 1.6–2.5 kilograms per ton of 100% caustic soda

Reply #52007-12-29

Is it 1.6-2.5 kg of Na2SO4? How come I see that some people say it’s 0.2 kg?

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Concentration of the refined FeCl3

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