Paper And Pulp Industry - Oxygen Applications

 

Environmental protection
Using oxygen to replace traditional bleaching chemicals significantly reduces the impact on the environment and meets the needs of sustainable development.
 

Improve efficiency
The on-site oxygen generation system can provide high-purity oxygen according to demand, optimize the production process and reduce operating costs.
 

security
Generating oxygen on-site eliminates the risks of liquid oxygen transportation and reduces potential safety hazards.
 

Economy
By reducing reliance on expensive chemicals, the use of oxygen not only reduces production costs but also increases resource efficiency.
 

Adaptable
The application of oxygen in multiple production links makes it widely adaptable in the paper and pulp industries and can meet different production needs.

                                                                                                        Oxygen is widely used in the pulp and paper industry and its role is mainly reflected in the following aspects:
 

bleaching process
Oxygen is used as an environmentally friendly alternative in bleaching, helping to effectively remove lignin and other impurities in wood pulp, making the paper brighter. By using oxygen, companies can significantly reduce their need for chemicals such as chlorine and chlorine dioxide, thereby reducing environmental impact and improving worker safety.
 

Delignification
During oxygen delignification, oxygen is used to break down residual lignin, improving the quality of the pulp. This process not only enhances the paper's strength and flexibility, but also improves its printability, ensuring the final product meets customer needs.
 

wastewater treatment
During the wastewater treatment process, oxygen is used to increase dissolved oxygen levels and promote the growth of aerobic bacteria, thereby effectively degrading organic matter in wastewater. This process helps reduce biochemical oxygen demand (BOD) and chemical oxygen demand (COD), ensuring that wastewater discharge meets environmental standards
.

Black liquor oxidation
In black liquor processing, oxygen is used to control reduced sulfur (TRS) emissions, helping to reduce the release of gaseous pollutants into the atmosphere. This technology not only improves resource recovery efficiency but also improves the factory's environmental footprint.

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