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Good Performance Zinc Sulfate Depressant for Pyrite & Sphalerite Mineral Processing

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Product Introduction

Zinc Sulfate serves as an effective and selective depressant in mineral flotation, primarily used to control the floatability of zinc sulfide minerals. It demonstrates particular effectiveness in depressing sphalerite during the differential flotation of lead-zinc and copper-zinc ores, enabling cleaner separation of valuable minerals.

This reagent functions by forming hydrophilic coatings on zinc mineral surfaces, thereby reducing their natural floatability. Its selective action allows copper and lead sulfides to float freely while effectively depressing zinc minerals. Zinc sulfate is often used in combination with other depressants like sodium cyanide or sodium sulfite to enhance its depressing power.

The advantages of zinc sulfate include its cost-effectiveness, easy handling, and relatively low environmental impact compared to some alternative depressants. It maintains stable performance across various pH conditions and contributes to improved concentrate grades by effectively reducing zinc contamination in lead and copper concentrates.


Product Advantage

Zinc sulfate offers significant advantages as a selective depressant in mineral flotation. Its primary strength lies in  effectively and selectively depressing sphalerite, enabling cleaner separation in complex lead-zinc and copper-zinc ores. This selective depression directly contributes to higher-grade concentrates of the target metals.

The reagent stands out for its cost-effectiveness and environmental profile. Compared to traditional depressants like cyanide, it presents a safer handling option and lower environmental impact. Additionally, it demonstrates good stability across various pH conditions and shows excellent compatibility with other flotation reagents.

Furthermore, zinc sulfate exhibits versatile application and synergistic effects. It can be used in combination with other depressants to enhance overall performance and is particularly effective in differential flotation circuits. These characteristics make it a reliable choice for operations requiring efficient mineral separation and consistent metallurgical results.


Technical Parameters

ItemIndex
ZnSO₄・7H₂O (%)≥98


Product Uses

Main Purpose: Zinc sulfate is an excellent inhibitor of non-ferrous metals,especially suitable for sphalerite.


Company Advantage

1.Cost advantage:

We are a source manufacturer with total production capacity of various products 50,000 tons/year. So we can control the cost better in order to give customers more favorable prices.

2.Legal operation:

Our company is located in China's National Chemical Industry Park, with complete qualifications and procedures to ensure stable production.

3.Technological advantage:

We have been engaged in the flotation chemical industry for more than 30 years,with advanced production technology and management system.

4.Quality advantage:

Our company has advanced testing means to strictly control the quality of raw materials and products.We are in strict accordance with the ISO9001 quality system standards for production.

5.R&D capability:

We have a beneficiation research institute, which is equipped with senior engineers and relevant technical personnel engaged in mineral processing tests and product research and development. By these means,we provide customers with personalized and accurate services.

6.Technical service:

We have a beneficiation technical service team.Over the years, we have provide on-site or remote technical services to hundreds of customers.


Packing Specification

25kg/bag


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Yantai Junbang Beneficiation Materials Co,.Ltd is a manufacturer from China specializing in mining chemicals for thirty years.the main products of our company are Xanthate Series, Frothers,Dithiophosphate Series, Thiocarbamate Series,Specialized Reagents, etc.

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CONTACT US

  +86-18353587660
  Wang Wei
  qdjb@junbangchem.cn
   East of Changjiang Road and South of Xiangshan Road,Laiyang Economic Development Zone
If you have questions or need more information, please contact us.
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