Semi Coke
Your Professional Semi Coke Supplier
Hebei Hangba International Trade Co., Ltd. has thrived in the coke industry for over 11 years. Our extensive export experience makes us a reliable global partner, with a strong reputation built on expertise and long - term commitment.We offer a wide range of high - quality products, including metallurgical coke, foundry coke, semi - coke, graphite petroleum coke, calcined petroleum coke, and calcined anthracite coal. These products are essential for industries where energy matters and cost - effectiveness is key.
Why choose us
Quality Assurance
Quality is our top priority. Every production step is strictly controlled to meet international standards. To further assure our clients of the superior quality of our products, we support third - party inspection.
Quality Service
We support port inspections. Our team is available 24/7, 7 days a week for any inquiries or assistance.
Our Market
Our Market include Indonesia, Malaysia, India, Pakistan, Japan, Vietnam, also North America, etc.
Customized Services
Arrange production according to the customer's product specifications. Customizable granularity and packaging.
Semi Coke
Semi coke is a solid product obtained by dry distillation of peat, lignite and bituminous coal with high volatile content at low temperature (500 ~ 700 ℃).Since unbound coal does not soften and melt during dry distillation, and only part of the volatile matter is removed, the solid product produced by low-temperature dry distillation of unbound coal is sometimes called dry distillation carbon, which is different from the solid product obtained by low-temperature dry distillation of bonded coal through softening and bonding.for various products.
|
Fixed Carbon(Min) |
84% |
|
Ash(Max) |
8% |
|
Volatile matter(Max) |
8% |
|
Sulfur(Max) |
0.35% |
|
Moisture(Max) |
17% |
|
Size |
6-18mm,18-35mm,35-60mm,accept custom size as your demands |
Features of Semi Coke
High Carbon Content
Semi coke typically contains 70-80% fixed carbon, making it an effective carbon source in metallurgical processes.
Low Volatile Matter
The carbonization process significantly reduces the volatile matter content compared to raw coal, allowing semi coke to perform well in high-temperature applications without releasing excessive gases.
Reduced Ash and Sulfur
Good Electrical Conductivity: Due to its structure, semi coke has relatively high electrical conductivity, making it suitable for use as an electrode material in various applications.
Reduced Ash and Sulfur
The lower levels of ash and sulfur in semi coke compared to traditional coke make it a cleaner alternative, minimizing contamination in metallurgical processes.

Type of Semi Coke
Metallurgical make semi coke
Metallurgical coal or coking coal is a grade of coal that can be used to produce good-quality coke. Coke is an essential fuel and reactant in the blast furnace process for primary steelmaking.Is primarily used in the steel industry, where it acts as a reducing agent in blast furnaces.
Petroleum make semi coke
Is a final carbon-rich solid material that derives from oil refining, and is one type of the group of fuels referred to as cokes. is derived from oil refinery processes and is utilized in various chemical applications.
Asphalt semi-coke
Asphalt coke is the carbonaceous, friable dry residue resulting when asphalt is overheated or distilled to dryness,comes from the distillation of coal tar and is often used in the production of electrodes and anodes.
Applications of Semi Coke
Metallurgical Industry: One of the primary uses of semi coke is as a reducing agent and fuel in the production of iron and steel. It can replace traditional coke, providing the necessary carbon for the reduction of iron ore while reducing overall production costs.
Electrode Material: In aluminum smelting and other metallurgical processes, semi coke serves as an electrode material. Its good electrical conductivity enhances the efficiency of the electrolysis process, improving energy consumption and product quality.
Chemical Production: Semi coke is also utilized in the chemical industry as a raw material for producing syngas (a mixture of hydrogen and carbon monoxide) and other chemicals. This versatility makes it an essential component in the production of synthetic fuels, fertilizers, and various organic compounds.
Carbon Black Production: Semi coke can be used as a feedstock in the production of carbon black, which is widely used in rubber manufacturing and as a pigment in plastics and coatings.
Semicoke Production Process
Coal Selection and Preparation: High-quality coal is selected as the raw material. It undergoes cleaning and crushing to eliminate impurities, ensuring a more efficient carbonization process.
Low-Temperature Carbonization: The pre-treated coal is subjected to low-temperature carbonization in a reactor or oven, where it is heated in a controlled, oxygen-deficient atmosphere. This process typically occurs at temperatures between 600-1000°C. As the coal is heated, volatile compounds—such as water, methane, and other gases—are expelled, leaving behind a solid material.
Cooling and Screening: After carbonization, the semi coke is rapidly cooled to prevent oxidation. The cooled product is then screened to separate it into different particle sizes based on customer specifications.
Quality Control: Throughout the production process, the semi coke is subjected to rigorous quality control measures. Parameters such as fixed carbon content, volatile matter, ash, and sulfur levels are monitored to ensure the final product meets industry standards.

Semi coke is composed primarily of carbon, ranging from 85% to 90%, with the remainder consisting of ash, sulfur, and water. The carbon content is the most critical ingredient, as it determines the energy efficiency and burning characteristics of semi coke. Ash content, typically around 10%, influences the residue left after combustion, while sulfur levels affect emissions. The composition of semi coke can vary depending on the source coal and the carbonization process, with adjustments made to meet specific industrial requirements. Understanding the composition of semi coke is crucial for optimizing its use in various applications, ensuring it meets the necessary standards for energy production and environmental compliance.
To use semi coke effectively, it is essential to consider its specific properties and application requirements. In steel manufacturing, ensure that the semi coke used has the appropriate carbon content and low impurities to facilitate efficient reduction processes. When using semi coke in power generation, optimize combustion conditions to maximize energy output and minimize emissions. Proper storage and handling of semi coke are also crucial to prevent degradation and maintain its quality. Additionally, regular monitoring of emissions and residue is necessary to comply with environmental regulations and ensure sustainable usage. By understanding and applying these practices, industries can leverage the full potential of semi coke as a reliable and efficient energy source.

How to Choose the Right semi coke
Selecting the most suitable semi coke for your industrial needs involves several key considerations. The first step is to assess the carbon content, as it directly affects the energy output and efficiency. Industries that require high energy output, such as steel manufacturing, should opt for semi coke with higher carbon levels. Additionally, the sulfur and ash content must be evaluated, as these can impact emissions and residue after combustion. Lower sulfur content is preferable for minimizing environmental impact, while ash content should be aligned with the specific requirements of the application.
Another critical factor is the type of semi coke best suited for your industry. Metallurgical, petroleum, and pitch semi coke each offer unique properties. Metallurgical semi coke is ideal for steel production, while petroleum and pitch varieties may be more suitable for chemical applications or electrode production. Understanding the specific characteristics of each type will help in making an informed decision that aligns with your operational needs.
Environmental Considerations
When choosing semi coke, environmental considerations play a significant role. It's important to evaluate the environmental impact of its use, particularly in terms of emissions. Opting for semi coke with low sulfur and volatile matter content can reduce smoke and harmful emissions, contributing to a cleaner industrial process. Additionally, consider the source of the semi coke and its production process, as sustainable practices can further mitigate environmental impact.
Industries are increasingly seeking alternatives that offer a balance between energy efficiency and environmental responsibility. Monitoring and adhering to environmental regulations is crucial, and selecting the right semi coke can greatly aid in achieving compliance while maintaining operational efficiency.















