Phosphoric acid plays a crucial role in various industries, particularly in agriculture and food production. As a key ingredient in fertilizers, it significantly impacts crop yields and food security. Understanding its production, applications, and market dynamics in China is essential for stakeholders in these sectors.
This guide delves into the intricacies of phosphoric acid in China, exploring its manufacturing processes, regulatory landscape, and economic significance. Readers will gain insights into the challenges and opportunities within this vital industry.
Additionally, the guide will cover the environmental considerations associated with phosphoric acid production and usage. By examining sustainable practices and innovations, readers will be equipped with knowledge to navigate the evolving landscape of this important chemical.
A Comprehensive Guide to Phosphoric Acid in China
Phosphoric acid is a vital industrial chemical widely used in various applications, including fertilizers, food additives, and cleaning products. In China, the production and supply of phosphoric acid have grown significantly, driven by the country’s robust agricultural and industrial sectors. This guide will explore the different types of phosphoric acid, their technical features, and the leading suppliers in China, including Welychem, Fangchem, Sanudo Trade, Chemate, and Wengfu Group.
Understanding Phosphoric Acid
Phosphoric acid (H₃PO₄) is a colorless, odorless, and non-volatile liquid. It is a key ingredient in the production of phosphate fertilizers, which are essential for enhancing soil fertility and crop yields. The acid is produced through various methods, each yielding different grades and purity levels suitable for specific applications.
Technical Features of Phosphoric Acid
The technical features of phosphoric acid can vary based on its production method and intended use. Below is a comparison table highlighting the key technical features of phosphoric acid:
| Feature | Wet Process Phosphoric Acid (WPPA) | Thermal Process Phosphoric Acid (TPPA) | Purified Wet-Process Phosphoric Acid (PWPA) |
|---|---|---|---|
| Production Method | Decomposing phosphate rock with sulfuric acid | Burning elemental phosphorus followed by hydration | Upgrading wet-process acid through solvent extraction |
| Purity Level | Lower purity, suitable for fertilizers | High purity, suitable for food and industrial use | High purity, suitable for food and pharmaceutical use |
| Cost | Lower production cost | Higher production cost | Moderate production cost |
| Environmental Impact | Higher due to sulfuric acid use | Lower, but energy-intensive | Moderate, depending on purification methods |
| Applications | Fertilizers, animal feed | Food additives, industrial chemicals | Food-grade products, pharmaceuticals |
Types of Phosphoric Acid
Phosphoric acid can be classified into several types based on its manufacturing process and purity levels. The following table summarizes the different types of phosphoric acid available in the market:
| Type | Description | Common Uses |
|---|---|---|
| Food Grade | Phosphoric acid with a minimum purity of 75% or 85% | Food additives, beverages, and food processing |
| Technical Grade | Phosphoric acid with lower purity, typically around 75% | Industrial applications, cleaning agents |
| Industrial Grade | Purified green acid, used in various industrial processes | Fertilizers, detergents, and metal treatment |
| Feed Grade | Suitable for animal feed, typically lower purity | Animal nutrition and feed formulations |
| Fertilizer Grade | High purity phosphoric acid used in fertilizer production | Production of phosphate fertilizers |
Leading Suppliers of Phosphoric Acid in China
China is home to several prominent suppliers of phosphoric acid, each offering a range of products tailored to different industries. Below are some of the leading companies in this sector:
Welychem Co. Ltd.
Welychem Co. Ltd. is a professional phosphorus chemicals company based in Shanghai. Established in 2000, Welychem specializes in manufacturing and exporting various phosphoric acid products, including food-grade phosphoric acid (75% and 85% min). Their strategic location in the Shanghai Pilot Free Trade Zone enhances their logistics and market accessibility, making them a reliable supplier for both local and international markets. For more information, visit www.welychem.com.
Fangchem
Fangchem focuses on agricultural and industrial phosphoric acid, offering products such as food-grade phosphoric acid (85% and 75%) and technical-grade phosphoric acid. Their commitment to quality and customer satisfaction has positioned them as a trusted supplier in the chemical industry. For further details, check www.fangchem.com.
Sanudo Trade
Sanudo Trade provides a comprehensive sourcing platform for various chemical products, including phosphoric acid. They connect buyers with vetted suppliers, ensuring quality and reliability in the procurement process. Their expertise in the market makes them a valuable resource for sourcing phosphoric acid and other chemical commodities. Visit www.sanudotrade.com for more information.
Chemate Technology
Chemate Technology is a leading manufacturer and exporter of phosphoric acid and phosphate products. With over 15 years of experience, Chemate offers a range of phosphoric acid products, including food-grade and technical-grade options. Their commitment to quality is reflected in their adherence to international standards and certifications. For more details, visit chematephosphates.com.
Wengfu Group
Wengfu Group is a state-owned enterprise specializing in the production of phosphoric acid and phosphate salts. With an annual production capacity of 120,000 MT, Wengfu Group is known for its high-quality products and commitment to sustainability. They offer a variety of phosphoric acid grades suitable for different applications. For more information, check www.wengfugroup.com.
Conclusion
Phosphoric acid plays a crucial role in various industries, particularly in agriculture and food production. Understanding the different types and technical features of phosphoric acid is essential for selecting the right product for specific applications. With leading suppliers like Welychem, Fangchem, Sanudo Trade, Chemate, and Wengfu Group, customers can find reliable sources for high-quality phosphoric acid in China.
FAQs
1. What is phosphoric acid used for?
Phosphoric acid is primarily used in the production of fertilizers, food additives, and cleaning products. It is essential for enhancing soil fertility and crop yields.
2. What are the different grades of phosphoric acid?
Phosphoric acid is available in several grades, including food grade, technical grade, industrial grade, feed grade, and fertilizer grade, each suited for specific applications.
3. How is phosphoric acid produced?
Phosphoric acid can be produced through various methods, including the wet process, thermal process, and purified wet-process methods, each yielding different purity levels.
4. Who are the leading suppliers of phosphoric acid in China?
Some of the leading suppliers include Welychem, Fangchem, Sanudo Trade, Chemate Technology, and Wengfu Group, each offering a range of phosphoric acid products.
5. What factors influence the price of phosphoric acid?
The price of phosphoric acid is influenced by production costs, raw material availability, market demand, and environmental regulations affecting production methods.