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TYPES OF INDUSTRIAL BLEACHING CHEMICALS – PROVIDING BLEACHING CHEMICALS H2O2, NAOH

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By Basic ChemistryNews

In industry paper, pulp , and textile dyeing, the use paper bleach plays a decisive role in improving the quality and brightness of the product. Chemicals such as Hydrogen Peroxide (H₂O₂) , and Sodium Hydroxide (NaOH) not just substances used to bleach paper and pulp in industry but also stands out thanks to its outstanding efficiency, environmental friendliness and safety in production.

Combination H₂O₂ , and NaOH not only help remove impurities, whiten optimally but also minimize negative impacts on the ecosystem. This explains why they become bleaching agents for pulp and textiles are at the forefront of modern industry. Let's explore the unique applications and benefits of these chemicals!

Common industrial bleaching chemicals

Hydrogen Peroxide (H₂O₂)

  • Chemical characteristics:
    • Formula: H₂O₂
    • State: Clear liquid, more viscous than water.
  • Main application:
    • Bleaching of paper and pulp: About 50% of global H₂O₂ production is used in this industry, replacing chlorine-based bleaches due to its environmental friendliness.
    • Textile dyeing: Brightening and bleaching of fiber and fabric products before dyeing or finishing.
    • Detergent production: H₂O₂ is used in washing powder to increase bleaching efficiency and make washing powder fluffier.
  • Outstanding benefits:
    • Leaves no toxic residue.
    • Increase product durability and brightness.

SEE MORE:

Sodium Hydroxide (NaOH)

  • Chemical characteristics:
    • Formula: NaOH
    • State: White opaque liquid or flakes.
  • Main application:
    • Bleaching of pulp and wood: Used in Sulfate and Soda technology to treat lignin, increase the strength and whiteness of paper.
    • Textile dyeing: Decomposes pectin and wax in raw fabrics, helping to increase the gloss and color absorption of the fabric.
    • Industrial cleaning: Cleaning of tanks, sewers, and technological equipment.
    • Javen water production: Important ingredient in effective whitening products.
  • Outstanding advantages:
    • Reasonable price.
    • Easy to mix in production.

Benefits and Applications

Hydrogen Peroxide (H₂O₂)

  • Effective pulp bleaching agent:
    • H₂O₂ is used to remove lignin without damaging the cellulose structure. This results in a paper product that is both brighter and more durable.
  • Applications in paper production:
    • Increases the brightness of the paper.
    • Reduce the need to use toxic chemicals, protect the environment.
  • What substance is used to bleach paper and pulp in industry?
    • H₂O₂ is the top choice thanks to its strong oxidizing properties and environmental friendliness.

Sodium Hydroxide (NaOH)

  • Bleaching agent for paper:
    • NaOH aids in removing lignin and organic impurities during pulp cooking.
  • Applications in production:
    • pH adjustment in papermaking processes.
    • Combine with H₂O₂ to increase whitening effect.
  • What is the substance used to bleach paper and pulp in industry?
    • NaOH is one of the optimal supporting agents, often used in combination with H₂O₂.

Refer NaOH price industry to optimize production costs.

Bleach usage process

Hydrogen Peroxide (H₂O₂):

  • Dissolve H₂O₂ in a slightly alkaline environment.
  • Maintain temperature at 40-70°C for 2-3 hours for maximum bleaching effect.

Sodium Hydroxide (NaOH):

  • Use NaOH in the pulp cooking process to remove lignin.
  • Combined with H₂O₂ to optimize the paper bleaching process.

Why Choose Hydrogen Peroxide and Sodium Hydroxide?

  • Outstanding efficiency:
    • H₂O₂ and NaOH are chemicals used to bleach paper and pulp in industry most effective today.
  • Environmental friendliness:
    • Leaves less toxic residue than other substances such as Chlorine.
  • Versatile and cost-effective:
    • Suitable for a wide range of manufacturing processes from bleaching to improving product durability.

Safety instructions for use

  • Hydrogen Peroxide (H₂O₂):
    • Store in a cool place, away from direct sunlight.
    • Use goggles and gloves to avoid skin and eye irritation.
  • Sodium Hydroxide (NaOH):
    • Store in a sealed container, away from moisture.
    • Wear full protective equipment to avoid the risk of chemical burns.

FAQ – Frequently Asked Questions

  • Which substance is used to bleach paper and pulp in industry?
    • Hydrogen Peroxide (H₂O₂) and Sodium Hydroxide (NaOH) are the two most common.
  • Is Hydrogen Peroxide Safe?
    • Yes, H₂O₂ is environmentally friendly and does not harm cellulose when used properly.
  • Is Sodium Hydroxide Necessary in Paper Making?
    • Necessary, as NaOH aids in lignin removal and increases the effectiveness of H₂O₂.
  • Which paper bleach is the most environmentally friendly?
    • H₂O₂ is considered more environmentally friendly than other bleaching chemicals such as Chlorine.
  • Which bleaching agent is most effective for paper?
    • H₂O₂ and NaOH are the ideal combination for high efficiency and environmental protection.
  • Can NaOH bleach fabric?
    • Yes, NaOH breaks down waxes and pectin in fabrics, increasing color absorption and shine.
  • How to use H₂O₂ effectively?
    • Maintain temperature from 40-70°C and reaction time from 2-3 hours for best results.

Please contact us immediately Loc Thien to get advice on Hydrogen Peroxide (H₂O₂) , and Sodium Hydroxide (NaOH) High quality, meet all production needs.

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