Modified bentonite can improve product performance and is an important direction for industry upgrading

Bentonite is an important non-metallic mineral. Its main component is montmorillonite, which has adsorption, swelling and pulping properties. With the continuous advancement of science and technology, the application fields of bentonite continue to expand, the market requirements for its performance and quality continue to increase, the technical research of bentonite continues to deepen, and new processes continue to come out. Modified bentonite can improve the performance of traditional bentonite and enhance certain aspects of its characteristics. It is an important direction for the diversified and high-end development of the bentonite industry.

Modified bentonite uses bentonite as raw material to improve its properties. Globally, bentonite resources are mainly distributed in China, the United States, Canada, Mexico, Brazil, India, Japan and other countries. China is rich in bentonite reserves, and its proven reserves rank first in the world. There are mineral deposits in most parts of the country, mainly concentrated in Xinjiang, Guangxi, Inner Mongolia and other places. In the past five years, China’s annual bentonite output has remained at around 5.6 million tons, making it the world’s largest bentonite producer, providing sufficient raw materials for the development of my country’s modified bentonite industry.

According to the “Modified Bentonite Industry In-depth Market Research and Investment Strategy Suggestions Report 2022-2026” released by the Industrial Research Center, the reform The common preparation methods of bentonite include activation modification method and modifier modification method. The activation modification method also includes thermal activation method, acid activation method, hydrogen activation method, salt activation method, etc. The first two methods are widely used; the modifier modification method can use inorganic modifiers, organic modifiers, composite Modifier for modification. Modified bentonite can improve some of its properties, such as improving its adsorption, thereby improving its efficiency and application value, thereby expanding its application scope and expanding its demand scale.

Modified bentonite can be widely used in papermaking, textile printing and dyeing, plastics, environmental protection and other fields. In the field of papermaking, modified bentonite with large specific surface area, excellent dispersion, high whiteness and high purity can be used as a multifunctional white mineral filler for paper and can reduce the moisture permeability of paper; in the field of textile printing and dyeing, modified bentonite It can be used to produce sizing and dyes. It plays a role in dispersion, stabilization, and bonding during sizing and coloring, improving the quality and production efficiency of sizing and dyeing. In the field of plastics, modified bentonite can be used as filler to modify resins. properties; in the field of environmental protection, modified bentonite can be used in wastewater and exhaust gas treatment to absorb heavy metal ions, oil, tar and other pollutants.

Industry analysts said that globally, the main manufacturers of modified bentonite include British Elementis, German BYK, Italian Laviosa, and the United States Foreign companies such as CETCO, as well as domestic companies such as Zhejiang Huate Industrial Group, Zhejiang Kangbaixin New Materials, and Zibo Lianji Chemical Industry. There are many bentonite manufacturers in my country, but most of them focus on the production of mid- to low-end products. The products have low technical content and added value, and their competitiveness is weak and their profitability is limited. my country’s bentonite industry is undergoing transformation and upgrading, and the market demand for high-performance bentonite continues to increase. Modified bentonite has good development prospects.