How is 30% Cyanamide produced?

As a supplier of 30% Cyanamide, I am often asked about the production process of this chemical. In this blog post, I will delve into the scientific and industrial aspects of how 30% Cyanamide is produced.

Raw Materials and Their Sources

The production of 30% Cyanamide begins with several key raw materials. One of the primary starting materials is calcium carbide. You can find high - quality Calcium Carbide for Chemical which serves as a crucial precursor. Calcium carbide is typically produced by heating limestone (calcium carbonate) in a furnace with coke or other carbon - rich materials at high temperatures. The reaction is as follows:
[CaCO_{3}\xrightarrow{\text{heat}}CaO + CO_{2}\uparrow]
[CaO+3C\xrightarrow{\text{high temperature}}CaC_{2}+CO\uparrow]

Another important raw material is nitrogen. Nitrogen can be obtained from the air through a process called air separation. Air is first compressed and then cooled to cryogenic temperatures. Through fractional distillation, nitrogen, along with other components such as oxygen and argon, can be separated. Nitrogen is used in the production of calcium cyanamide, an intermediate in the Cyanamide production process.

Production of Calcium Cyanamide

The first major step in the production of 30% Cyanamide is the synthesis of calcium cyanamide from calcium carbide. Calcium carbide reacts with nitrogen gas at high temperatures (around 1000 - 1200°C) in a furnace. The reaction is:
[CaC_{2}+N_{2}\xrightarrow{1000 - 1200^{\circ}C}CaCN_{2}+C]
This reaction occurs in a specialized reactor where the calcium carbide and nitrogen are carefully introduced. The presence of a catalyst may sometimes be used to enhance the reaction rate and efficiency. The product, calcium cyanamide, is a solid material that contains a significant amount of nitrogen in a form that can be further processed.

Hydrolysis of Calcium Cyanamide

Once calcium cyanamide is produced, it undergoes hydrolysis to form Cyanamide. The hydrolysis reaction is carried out by reacting calcium cyanamide with water in the presence of an acid catalyst. A common acid used is sulfuric acid. The overall reaction is:
[CaCN_{2}+2H_{2}O + H_{2}SO_{4}\rightarrow 2H_{2}NCN+CaSO_{4}\downarrow]
The reaction is exothermic, and careful control of the reaction conditions, such as temperature and the rate of addition of reactants, is necessary to ensure high - quality product formation. The calcium sulfate formed as a by - product precipitates out of the solution, and it can be separated through filtration.

Purification and Concentration

After the hydrolysis reaction, the resulting solution contains Cyanamide along with some impurities. Purification steps are then carried out to remove these impurities. One common purification method is filtration to remove any solid particles, followed by ion - exchange chromatography to remove ionic impurities.

To obtain 30% Cyanamide, the solution needs to be concentrated. This can be achieved through evaporation under reduced pressure. By carefully controlling the evaporation process, the water content in the solution can be reduced until the Cyanamide concentration reaches 30%. During this process, the temperature and pressure need to be precisely controlled to prevent the decomposition of Cyanamide, which is a relatively unstable compound.

Quality Control

Throughout the production process, strict quality control measures are implemented. The raw materials are tested for purity and composition before they are used in the production. During the reaction steps, parameters such as temperature, pressure, and reaction time are continuously monitored to ensure that the reactions proceed as expected.

The final 30% Cyanamide product is also thoroughly tested. Tests include determining the concentration of Cyanamide, checking for the presence of impurities such as heavy metals, and analyzing the stability of the product over time. Only products that meet the strict quality standards are released for sale.

Applications of 30% Cyanamide

30% Cyanamide has a wide range of applications. In the agricultural industry, it is used as a fertilizer and a plant growth regulator. It can enhance the nitrogen supply to plants and promote early growth. In the chemical industry, it is used as an intermediate in the synthesis of various chemicals, such as pharmaceuticals, pesticides, and dyes. You can also explore related products like 50% Cyanamide which may have different application requirements.

Safety Considerations

Cyanamide is a toxic and hazardous chemical. During the production process, safety measures are of utmost importance. Workers are required to wear appropriate personal protective equipment, such as gloves, goggles, and respirators. The production facilities are equipped with ventilation systems to remove any toxic fumes. Additionally, emergency response plans are in place in case of accidents, such as spills or leaks.

Storage and Transportation

Proper storage and transportation of 30% Cyanamide are crucial. It should be stored in a cool, dry place away from heat sources and incompatible substances. The storage containers should be made of materials that are resistant to corrosion by Cyanamide. During transportation, the containers need to be properly labeled, and the transportation vehicles should comply with all relevant safety regulations.

Our Role as a Supplier

As a 30% Cyanamide supplier, we are committed to providing high - quality products. We have a state - of - the - art production facility that adheres to strict quality and safety standards. Our team of experts monitors every step of the production process to ensure that the final product meets the requirements of our customers.

We also offer excellent customer service. Whether you have questions about the product, its application, or the ordering process, our customer service representatives are ready to assist you. We can provide technical support and guidance to help you make the best use of 30% Cyanamide in your specific applications.

If you are interested in purchasing 30% Cyanamide or would like to discuss your specific requirements, we encourage you to reach out to us. We are open to procurement negotiations and are confident that we can provide you with a competitive offer. Let's work together to meet your chemical needs.

References

• Kirk - Othmer Encyclopedia of Chemical Technology
• Ullmann's Encyclopedia of Industrial Chemistry

This blog post provides a comprehensive overview of how 30% Cyanamide is produced. From the raw materials to the final product, every step is carefully orchestrated to ensure a high - quality and safe product. If you have any further questions or need more detailed information, feel free to contact us. We look forward to serving you.