Email
info@petromarketco.com
7:30 AM - 7:30 PM
Monday to Saturday

Category: Petrochemical products

Granular Urea
Petrochemical products Urea

Granular Urea

Nov 9, 2024 by admin 0 Comments #Fertilizer, #Granular Urea, #Urea

What is Granular Urea?

Granular urea is a solid nitrogen fertilizer with a 46% nitrogen content. Unlike prilled urea, granular urea features larger and harder granules, making it ideal for mechanical spreading and slow-release applications.

How is Granular Urea Produced?

1. Ammonia and Carbon Dioxide Reaction

The production begins with the synthesis of urea from ammonia (NH₃) and carbon dioxide (CO₂) at high temperatures and pressure. This reaction forms ammonium carbamate, which is then dehydrated to produce molten urea.

2. Granulation Process

The molten urea is sprayed onto a moving bed or tumbling granulator. During this process:

  • Granules form as layers build up around nuclei (seed particles).
  • The granules are dried, cooled, and hardened to ensure they can withstand storage and transportation without breaking.

3. Screening and Quality Control

Granules are sieved to ensure uniformity in size. Oversized granules are crushed and recycled, while undersized particles are returned to the granulator.

Pro Tip: Granular urea’s durable structure makes it ideal for modern farming equipment, enabling efficient application.

Packaging Options for Granular Urea

Granular urea is packaged to meet the requirements of diverse users, from small farmers to large industrial consumers:

1. Retail-Sized Bags (25-50 kg)

  • These smaller bags are made of durable, moisture-resistant materials to protect the urea from clumping.
  • Ideal for smaller farms or retail customers.

2. Bulk Bags (500-1000 kg)

  • Commonly used in large-scale farming and industrial settings, these jumbo bags reduce handling costs and simplify logistics.

3. Bulk Transportation

  • Granular urea is transported in bulk via ships, trains, and trucks, ensuring cost-effective delivery for large operations.

Applications of Granular Urea

1. Agriculture

Granular urea is primarily used as a nitrogen fertilizer to enhance soil fertility and crop growth. Its larger size allows for mechanical spreading, ensuring even coverage and reduced nitrogen loss.

2. Blended Fertilizers

It is often mixed with other nutrients to create customized fertilizer blends suited to specific crops and soil types.

3. Industrial Uses

Granular urea is used in various industrial applications:

  • Adhesives and Resins: A raw material in producing urea-formaldehyde resins.
  • NOx Emission Control: Acts as a reducing agent in selective catalytic reduction (SCR) systems for power plants and vehicles.

4. Environmental Applications

Granular urea is used in some environmental applications, such as odor control in waste treatment facilities.

Advantages of Granular Urea

  • Durability: Granules are resistant to breakage, making them suitable for long storage and rough handling.
  • Even Application: Uniform granule size allows for precise spreading with modern equipment.
  • Slow-Release Capability: Provides a steady nitrogen supply over time, reducing the frequency of re-application.
  • High Nitrogen Content: With 46% nitrogen, granular urea delivers maximum nutrient efficiency.

Environmental Considerations

To minimize nitrogen loss and environmental impact, granular urea should be applied correctly:

  • Incorporation into Soil: Covering urea with soil reduces volatilization.
  • Use of Urease Inhibitors: These slow down the conversion of urea to ammonia, enhancing nitrogen retention.
  • Application Timing: Avoid applying urea before heavy rains to reduce leaching.

Granular urea is a versatile, high-performance fertilizer essential for modern agriculture and various industrial applications. Its production process ensures durability and uniformity, while its packaging and usage adaptability make it a favorite among farmers and industries alike.

Technical Urea
Petrochemical products Urea

Technical Urea

Nov 9, 2024 by admin 0 Comments #Fertilizer, #Technical Urea, #Urea

What is Technical Urea?

Technical urea is a refined form of urea with low biuret and impurities, making it suitable for precise industrial applications. With a nitrogen content of approximately 46%, it serves as a raw material in chemical synthesis, automotive emission control, and more.

How is Technical Urea Produced?

1. Chemical Synthesis

Technical urea is produced by reacting ammonia (NH₃) with carbon dioxide (CO₂) under high pressure and temperature. This reaction forms ammonium carbamate, which is then dehydrated to create urea.

2. Purification

For technical applications, the urea undergoes additional purification processes to reduce impurities such as biuret, heavy metals, and insoluble particles.

3. Forming

Technical urea is available in various forms, including prilled, granular, and liquid, depending on its intended application.

Packaging Options for Technical Urea

Proper packaging is crucial to maintain the quality and usability of technical urea, especially for industrial use. Common packaging options include:

1. Bags (25-50 kg)

  • Technical urea is often packaged in smaller, moisture-proof bags for specialized applications.
  • These bags are made from woven polypropylene with inner liners to prevent contamination.

2. Jumbo Bags (500-1000 kg)

  • Large-scale industrial consumers prefer jumbo bags for efficient handling and storage.

3. Bulk Supply

  • For high-demand sectors, technical urea is transported in bulk using tankers or containers, ensuring seamless delivery to industrial facilities.

Applications of Technical Urea

1. Chemical Industry

Technical urea serves as a raw material in the production of:

  • Resins and Adhesives: Used to create urea-formaldehyde resins for wood products.
  • Melamine Production: A critical component in manufacturing melamine for laminates and plastics.

2. Automotive Sector

  • Emission Control (AdBlue/DEF): Technical urea is a key ingredient in diesel exhaust fluid (DEF) to reduce nitrogen oxide (NOx) emissions in vehicles using selective catalytic reduction (SCR) systems.

3. Environmental Applications

  • Flue Gas Treatment: Used in power plants and industries to reduce NOx emissions.
  • Water Treatment: Acts as a nutrient source in bioremediation processes.

4. Fertilizer Additive

While not a primary fertilizer, technical urea is blended into specialty fertilizers to provide consistent quality and performance.

5. Pharmaceutical and Cosmetic Uses

  • In some cases, high-purity urea is used as a humectant in skincare products or in pharmaceutical formulations.

Advantages of Using Technical Urea

  • High Purity: Meets stringent requirements for industrial and technical applications.
  • Versatility: Suitable for a wide range of industries, from automotive to chemicals.
  • Cost-Effective: Provides excellent performance at a competitive price.
  • Environmental Benefits: Plays a critical role in reducing industrial and vehicular emissions.

Environmental Considerations

When using technical urea, it is essential to:

  • Store Properly: Ensure the product remains dry and free from contaminants.
  • Handle Responsibly: Avoid over-application in environmental or agricultural contexts to minimize nitrogen loss.

Technical urea is an indispensable product across industries, offering high purity and versatility for a variety of applications. From reducing emissions in vehicles to serving as a base material for chemical synthesis, its uses are vast and impactful. With proper packaging and handling, technical urea ensures consistent performance and contributes to sustainable industrial practices.

Prilled Urea
Petrochemical products Urea

Prilled Urea

Nov 9, 2024 by admin 0 Comments #Fertilizer, #Prilled Urea, #Urea

 

What is Prilled Urea?

Prilled urea is a solid, spherical fertilizer with a nitrogen concentration of about 46%. Its smooth, small granules are specifically designed for even distribution, making it ideal for agricultural use. Compared to granular urea, prilled urea has smaller particles, which dissolve faster and deliver nutrients efficiently to plants.

How is Prilled Urea Produced?

1. Synthesis of Urea

The production of prilled urea begins with the chemical combination of ammonia and carbon dioxide under high pressure and temperature. This reaction forms ammonium carbamate, which is dehydrated to produce molten urea.

2. Prilling Process

  • The molten urea is passed through a prilling tower, where it is sprayed from the top.
  • As the liquid droplets fall, they solidify into small, spherical prills due to air cooling.
  • The result is a uniform, free-flowing fertilizer with excellent storage and application properties.

3. Screening and Quality Control

The prills are screened for uniform size and quality. Oversized or undersized particles are recycled to ensure consistency.

Packaging Options for Prilled Urea

Prilled urea is packaged to meet various user needs, ensuring it remains free of moisture and clumping during transportation and storage. Common packaging options include:

  • 25-50 kg Bags:
    These moisture-resistant bags are ideal for small farms or retail use. They are made from woven polypropylene with an inner liner for added protection.

  • Jumbo Bags (500-1000 kg):
    Large-scale agricultural and industrial users prefer these bulk bags for reduced handling time and cost.

  • Bulk Transport:
    For high-demand users, prilled urea is shipped in bulk using specialized containers or trucks.

Applications of Prilled Urea

1. Agricultural Use

Prilled urea is primarily used as a nitrogen fertilizer to enhance crop yields. Its high solubility ensures quick nutrient availability to plants, making it suitable for cereals, vegetables, and fruit crops.

2. Industrial Applications

Prilled urea is a key raw material in industries such as:

  • Chemical Production: Used in the manufacture of urea-formaldehyde resins and adhesives.
  • Environmental Applications: Acts as a reducing agent in selective catalytic reduction (SCR) systems to control NOx emissions in industries.

3. Blending for Customized Fertilizers

Prilled urea can be mixed with other fertilizers to create balanced blends tailored for specific soil and crop needs.

Check out our article on customized fertilizer blends.

Advantages of Using Prilled Urea

  • High Nitrogen Content: Contains 46% nitrogen, making it an efficient source of nutrients for crops.
  • Quick Dissolution: Ideal for irrigation and foliar application due to its high solubility.
  • Cost-Effective: Prilled urea provides excellent value for its nutrient density.
  • Easy to Apply: The uniform prill size ensures even distribution.

Environmental Considerations

While prilled urea is highly effective, improper application can lead to nitrogen loss through volatilization or leaching. To mitigate this:

  • Use urease inhibitors.
  • Apply during favorable weather conditions.
  • Incorporate urea into the soil immediately after application.

 

Prilled urea is a versatile and efficient fertilizer with applications spanning agriculture, industry, and environmental solutions. Its production process ensures consistent quality, while its packaging options cater to diverse user needs. With proper usage, prilled urea supports sustainable farming and industrial efficiency.

error: Content is protected !!