Pulp bleaching agents play a crucial role in the paper and pulp industry, particularly in China, which is one of the largest producers of paper globally. Understanding these agents is essential for manufacturers aiming to enhance product quality while adhering to environmental standards. This guide delves into the various bleaching agents used, their applications, and the regulatory landscape governing their use in China.
Readers can expect to gain insights into the types of bleaching agents, including their chemical properties and effectiveness. The guide will also explore the environmental implications of these agents, highlighting sustainable practices and innovations in the industry. By the end, readers will have a comprehensive understanding of pulp bleaching agents and their significance in promoting eco-friendly production methods.
Pulp Bleaching Agent FAS: A Comprehensive Guide
Pulp bleaching agents are essential in the paper and pulp industry, enhancing the brightness and quality of the final product. Among these agents, Pulp Bleaching Agent FAS (Formamidine Sulfinic Acid) stands out due to its high efficiency and environmental benefits. This guide delves into the characteristics, technical features, and various types of FAS available in the market, particularly focusing on suppliers like Shouguang Xinsheng Chemical Co., Ltd. (www.Chinaxshg.com), Hongye Chemical Co., Ltd. (en.hongyechem.com), and others.
Technical Features of Pulp Bleaching Agent FAS
Pulp Bleaching Agent FAS is known for its excellent performance in both reduction bleaching and waste paper deinking. Below is a comparison table highlighting its key technical features:
| Feature | Specification |
|---|---|
| Appearance | White crystal powder |
| Purity | 99.0% min |
| Moisture | 0.05% max |
| Iron (Fe) | 10 ppm max |
| pH Value | 5-6 |
| Molecular Formula | (NH2)2CSO2 |
| Molecular Weight | 108.12 |
| CAS No. | 1758-73-2 |
FAS is stable in air and can be used in conventional equipment, making it a versatile choice for various bleaching processes.
Types of Pulp Bleaching Agent FAS
There are different formulations and packaging options for Pulp Bleaching Agent FAS, catering to various industrial needs. The following table outlines the types available:
| Type | Packaging Options | Application Area |
|---|---|---|
| Standard FAS | 25 kg plastic bags, 50 kg fiber drums | Reduction bleaching, deinking |
| Bulk FAS | 500 kg, 1000 kg containing bags | Large-scale industrial applications |
| Specialized FAS | Custom packaging as per requirement | Specific bleaching processes |
These variations allow manufacturers to choose the most suitable option based on their production scale and specific requirements.
Comprehensive Insights into FAS
FAS is particularly effective in high-temperature continuous bleaching processes. Its high reducibility and stability make it an ideal choice for industries looking to minimize environmental impact. Unlike traditional bleaching agents, FAS does not increase wastewater pollution, aligning with modern environmental protection standards.
Environmental Benefits
One of the standout features of Pulp Bleaching Agent FAS is its eco-friendliness. It conforms to environmental protection requirements, making it a preferred choice for companies aiming to reduce their ecological footprint. This is particularly important in regions like China, where environmental regulations are becoming increasingly stringent.
Application Guidelines
For optimal results, FAS should be used under specific conditions:
1. Temperature: Minimum of 60°C.
2. pH Level: Between 10 and 11.
3. Dosage: Typically between 3 to 6 kg per ton of absolute dry pulp.
These guidelines ensure that the bleaching process is efficient and effective, yielding high-quality paper products.
Conclusion
Pulp Bleaching Agent FAS is a vital component in the paper and pulp industry, offering numerous advantages over traditional bleaching agents. Its high purity, stability, and environmental benefits make it a top choice for manufacturers. Companies like Shouguang Xinsheng Chemical Co., Ltd. (www.Chinaxshg.com) and Hongye Chemical Co., Ltd. (en.hongyechem.com) are leading suppliers, providing high-quality FAS to meet the growing demands of the industry.
FAQs
1. What is Pulp Bleaching Agent FAS?
Pulp Bleaching Agent FAS is a chemical used in the paper and pulp industry for bleaching processes, enhancing the brightness and quality of paper products.
2. What are the main benefits of using FAS?
FAS offers high efficiency in bleaching, stability in air, and does not increase wastewater pollution, making it environmentally friendly.
3. How should FAS be applied in the bleaching process?
FAS should be used at a minimum temperature of 60°C, with a pH level between 10 and 11, and a dosage of 3 to 6 kg per ton of dry pulp.
4. Where can I purchase Pulp Bleaching Agent FAS?
FAS can be purchased from suppliers like Shouguang Xinsheng Chemical Co., Ltd. (www.Chinaxshg.com) and Hongye Chemical Co., Ltd. (en.hongyechem.com).
5. What packaging options are available for FAS?
FAS is available in various packaging options, including 25 kg plastic bags, 50 kg fiber drums, and bulk containers of 500 kg or 1000 kg.