Kaolin Processing plant
The kaolin (china clay/kaolinite) processing and beneficiation involve stages such as washing, crushing, classification, magnetic separation, flotation, dewatering, and filtration. This solution is suitable for all types of raw kaolin ore, including sedimentary, hydrothermal alteration, and weathered residual deposits.
It enables the upgrading of low-grade kaolin to a whiteness of 92%+, achieving an Al₂O₃ content of 42%–46% in the concentrate, with a stable recovery rate of 90%–92%. JXSC offers the lowest beneficiation tech cost, helping you meet the demands of high-value-added markets.
Kaolin Beneficiation Process
According to the ore’s final application field, kaolin beneficiation process can be divided into dry and wet beneficiation. When the kaolin after beneficiation is used in the rubber industry, paper filling, glass fiber, or sanitary ware production, dry beneficiation is used. When used in the paper industry, wet beneficiation is used.
- Dry beneficiation: This method separates kaolin ore with low water content. Mainly includes coarse crushing, magnetic separation, gravity separation and other steps to remove impurities in ore and improve the selectivity of ore. Adding water during the dry beneficiation process is unnecessary, which can save water resources.
- Wet beneficiation: This method is suitable for purifying kaolin ore with high water content. Mainly includes flotation, wet gravity separation, magnetic separation and other steps, which can more effectively remove ore impurities and improve kaolin’s purity. Adding water during wet beneficiation helps form flotation froth, making it easier for ore particles to combine with the air bubbles to achieve separation and purification.
The specific kaolin beneficiation process needs to be selected according to the properties and requirements of the ore to realize the separation and purification of kaolin ore. Contact JXSC, we will comprehensively consider factors such as engineering economy and environmental protection to ensure efficient, stable and sustainable customized of the kaolin beneficiation plant.
kaolin Processing Plant
150 TPH kaolin washing process plant
It is a full 150TPH kaolin washing & processing plant, main equipment and details as follows:
- Trough washing machine
- Scrubbing machine
- Trommel screen
- Spiral sand washing machine
- Hydrocyclone group
- Dewatering screen
kaolin washing process flow
1. Use a forklift or an excavator to send the raw materials into the hopper, and then the feeder below feeds the raw materials to the trough washing machine through the belt conveyor. The main function is to disperse, stir, and clean the agglomerated kaolin.
2. Feed the material to the scrubber for further washing. The main effect is to rub better and shed the slime on the kaolin.
3. Put the washed material into the trommel screen to screen out large pieces of waste, and then send it to a distant place by the belt conveyor. Among them, the material under the sieve enters the double-screw sand washing machine.
4. The overflow of the double-spiral sand washing machine is kaolin concentrate, and the bottom flow enters the second sand washing machine for cleaning again. Subsequently, the underflow enters the wheel sand washing machine. The overflow is concentrated ore, and the bottom flow is dehydrated twice. Finally, the material on the second dewatering screen is coarse-grained waste sent away with a belt conveyor. Below the sieve is kaolin concentrate.
5. Kaolin concentrate overflowed from two spiral sand washers and wheel sand washers and entered the first pool. The under-sieve concentrate after two dehydration passes into the second pool.
6. Use the slurry pump to send the concentrate from the first pool to the first cyclone group; the overflow is concentrate, and the underflow material is dehydrated. The material on the dewatering screen is medium-sized waste, which a belt conveyor transports away. Then the concentrate under the sieve enters the second pool.
150TPH Kaolin Clay Washing Plant
Process Flow: Washing – Scrubbing – Dewatering – Classifying – Thickening – Filtering
Vibrating feeder, belt conveyor, spiral washer, attrition scrubber, trommel screen, hydrocyclone groups, thickener, wheel washer, dewatering screen, and filter press.
135TPH Rock Kaolin Processing Plant
Process Flow: Crushing – Washing – Scrubbing – Dewatering – Classifying – Thickening – Magnetic Separation- Filtering
Jaw crusher, impact fine crusher, log washer, attrition washer, vibrating screen, spiral washer, dewatering screen, hydrocyclone groups, cone thickener, slurry magnetic separators, filter press.
JXSC kaolin processing beneficiation solutions encompass the entire process, including washing and desliming, crushing, grinding, classification, magnetic separation, flotation, and dewatering. We offer both dry and wet processing routes, with configurations customized to the specific characteristics of the raw ore. The dry process is suitable for kaolin with low iron impurity content, consistently achieving recovery rates of over 90%. The wet process enables the deep removal of iron and titanium impurities, boosting concentrate whiteness to 92%+, stabilizing Al₂O₃ content at 40%-46%, and keeping Fe₂O₃ ≤ 0.5%.
- Applicable Ore Types: Soft kaolin, hard kaolin, sandy kaolin, and coal-measure kaolin.
- Target Markets: India, Vietnam, Thailand, Brazil, Malaysia, Turkey, Nigeria, Indonesia, etc.
- Key Objective: Whether you require ceramic-grade, paper-coating-grade, or refractory-grade concentrate, JXSC enables you to transform low-grade ore sources into high-value concentrates at the lowest processing cost, ensuring a rapid return on investment and profitability.
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