Hybrid sand drying system, using renewable energy and lowering CO2 emissions !
Did you know that drying sand—one of the most common industrial processes—can be made far more energy-efficient and sustainable? Today, we explore a cutting-edge hybrid drying system combining fluid bed technology with renewable energy. Hybrid sand drying systems are transforming the way industries handle moisture removal in materials like construction sand, foundry sand, and minerals. By combining advanced fluid bed drying technology with renewable energy [...]
Sand Drying with Tema Fluid Bed Dryers
Including Comparison with Rotary Dryers Introduction Sand drying is a critical process in industries such as construction, glass manufacturing, foundries, and dry mortar production. Consistent moisture content and product quality are essential. Modern plants increasingly rely on fluid bed dryers due to their efficiency and controllability, especially when compared to traditional rotary dryers. The Sand Drying Process In sand drying, raw material with variable moisture [...]
Fluidisation Process of Drying NaCl Using a TEMA Process Fluid Bed Dryer
1. Introduction In industrial salt production, wet sodium chloride (NaCl) coming from centrifuges or crystallizerscontains residual moisture. To obtain a free-flowing product, this salt is dried using a fluidized bed dryer. TEMA Process designs and manufacturescustom fluid bed dryers and coolers used in mineral, chemical, food, and salt industries. These systems ensure uniform drying, high energy efficiency, and continuous operation. 2. Principle of Fluidisation Fluidisation occurs when hot air flows upward [...]
From Crystallization to Product Handling: Efficient Sodium Sulfate Drying and Cooling
Sodium sulfate (Na₂SO₄) is a common component in industrial wastewaters, particularly from flue gas desulfurization (FGD) plants. To meet increasingly strict discharge regulations, sodium sulfate is often removed by crystallization and, in many cases, recovered as a valuable product. The same separation challenge is well known in industries such as viscose fiber production. Depending on process conditions, sodium sulfate can be crystallized either as an [...]
Chemicals commonly dried in fluid bed dryers
Fluid bed dryers are widely used in the chemical industry to dry powders, crystals and granules with precise moisture control and uniform product quality. Typical applications include: – Inorganic chemicals – ammonium sulfate, ammonium nitrate, sodium salts, potassium salts, copper sulphate, lithium carbonate, lithium hydroxide – Organic chemicals – organic acids, chemical intermediates, detergent ingredients – Plastics, polymers & resins – plastic granules, polymer powders, [...]
Applications of fluid bed dryers & coolers
Fluid bed dryers and coolers are widely used to dry, cool and condition powders and granules with uniform product quality and high energy efficiency. They are applied across multiple industries, including: - Food & feed – breadcrumbs, cereals, starches, sugars, additives - Chemicals – crystals, powders, polymers, specialty chemicals - Nutraceuticals – granules, pellets, excipients - Minerals & mining – sand, ores, mineral concentrates - [...]
Energy Savings in a Tema Sand Dryer/Cooler System
Optimizing industrial drying and cooling processes can result in significant energy savings. One effective method is recirculating the exhaust air from the cooling section back to the dryer’s air inlet. - The cooler exhaust air, typically at 50–60 °C, still contains valuable thermal energy. - By reusing this air, energy savings of 10–15% can be achieved. - This reduces the need for fresh heated air and [...]
Potash Drying with TEMA Process Fluid Bed Dryers
Potash is a potassium-rich, water-soluble salt, and around 95% of global production is used as fertilizer. The most common form is potassium chloride (KCl), but potash fertilizers may also include K₂CO₃, K₂SO₄, or KNO₃. These nutrients play a vital role in agriculture—improving water retention, crop yields, and even the taste and nutritional value of many plants. After potash is mined, it must be processed into [...]
Why are minerals dried in a Tema Process fluid bed dryer?
For minerals like sand, gypsum, talc, salts, clays and limestone, a Tema Process fluid bed dryer offers industry-leading performance and product quality. - Uniform and consistent drying Our fluidization technology ensures perfect heat transfer and stable final moisture — no hot spots, no overdrying. - High energy efficiency Tema Process systems are designed with optimized airflow, low pressure drop and optional heat recovery, delivering one [...]
TEMA’s fluid bed dryers for LiOH
For lithium hydroxide monohydrate, it is essential to dry it at a temperature and humidity that avoids removing the water of crystallization, which would turn it into anhydrous LiOH or cause it to react with carbon dioxide. To achieve dry lithium hydroxide monohydrate, the wet salt needs to be dried, keeping the monohydrate stage, and without removing crystalline water. The drying system uses a CO2 [...]
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