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[baam353]

Is possible to procution iron sulphate heptahydrate from waste ferrous multivariant (industrial and non-indsutrial), remembering it for the preliminary factory for final project

 

[breizh]

 

HI,

Google (AI)

Good luck

Breizh

 

To me the answer to your question is yes.

The production of ferrous sulfate heptahydrate (also known as copperas or iron(II) sulfate heptahydrate) typically involves reacting iron or iron-containing materials with sulfuric acid, often with an oxidizing agent to facilitate the reaction. The resulting solution is then crystallized to obtain the heptahydrate form. 

Here's a more detailed breakdown of the process:

1. Reaction of Iron and Sulfuric Acid:

• Reactants:

  The primary reactants are iron (e.g., scrap iron, iron ore, or industrial iron waste) and sulfuric acid (H₂SO₄). 
• Reaction:

  The reaction can be represented by the following equation: Fe + H₂SO₄ → FeSO₄ + H₂↑ (in the absence of oxygen). In the presence of oxygen, the reaction can also produce water: Fe + H₂SO₄ + 1/2O₂ → FeSO₄ + H₂O. 
• Oxidizing Agents:

  To enhance the reaction and produce iron(II) sulfate (ferrous sulfate), oxidizing agents like chlorine, nitric acid, or hydrogen peroxide can be used. 
• Leaching:

  In some processes, leaching is used to extract iron from iron-containing materials like industrial waste. This involves dissolving the iron in sulfuric acid. 
• Conditions:

  The reaction is often carried out at specific temperatures (e.g., 70-80°C) and with controlled agitation. 

2. Crystallization:

• Cooling and Concentration:

  The solution containing ferrous sulfate is cooled, and the concentration of the solution is adjusted to promote crystallization. 
• Crystallization:

  As the solution cools, ferrous sulfate heptahydrate crystals form. The crystallization process can be controlled to achieve desired crystal size and purity. 
• Separation:

  The crystals are separated from the remaining solution (mother liquor) using methods like filtration or centrifugation. 
• Washing and Drying:

  The crystals may be washed to remove any remaining impurities and then dried. 

3. Other Considerations:

• Raw Materials:

  The source of iron can vary, including scrap iron, iron ore, or industrial iron waste. 
• By-products:

  The production process may have by-products like hydrogen gas or wastewater, which need to be managed appropriately. 
• Environmental Factors:

  The process may involve the use of chemicals, and it's important to consider environmental regulations and best practices for waste management and dispos