NEWS

  Mannheim furnace temperature control supports potassium sulfate quality, reaction completion, hydrochloric acid recovery, and equipment life. The furnace does not respond only to one setpoint. Feed rate, acid distribution, KCl particle size, moisture, gas movement, refractory condition, and rake operation all influence the temperature profile of a potassium sulfate production line. Why the Temperature...

  Drying determines whether a calcium chloride production line delivers liquid, flakes, powder, or granules with consistent moisture and handling properties. The drying method must match solution concentration, impurity profile, product grade, capacity, and the intended package. A calcium chloride production line should connect upstream purification with the final drying and cooling conditions. Why...

  Heat recovery is a central design question for a sulfuric acid production line. Sulfur combustion and catalytic conversion release useful heat, while acid circulation, gas cooling, and steam generation determine how much of that heat can be used. A project that treats heat recovery as an afterthought may require more external fuel, cooling duty, or utility capacity than expected. Where Useful...

Raw sulfur quality for sulfuric acid production affects much more than the assay on a supplier certificate. Water changes melting and feeding behavior. Ash loads filters and may travel into the gas path. Trace contaminants can affect deposits, catalyst condition, or acid color. A stable sulfuric acid production line starts with a feed specification tied to the actual process. Why Raw Sulfur Quality...

Hydrochloric acid feed quality determines the real duty of calcium chloride pretreatment. Acid concentration sets the water balance and limestone demand. Iron, magnesium, suspended matter, and source-specific contaminants determine neutralization, clarification, and filtration load. A calcium chloride production line designed around one nominal HCl value may struggle when by-product acid changes. Why...

KCl purity influences furnace operation, potassium sulfate composition, and hydrochloric acid recovery. The certificate value for potassium chloride is only the starting point. Moisture, sodium chloride, magnesium and calcium salts, insolubles, and lot variation affect how a Mannheim process potassium sulfate production line should be controlled. Why KCl Is a Process Variable The overall reaction...

  Calcium chloride is an industrial chemical which is well known on the market and is even growing. The substance is very efficient, as it lowers the freezing point of water and absorbs moisture from the air. Furthermore, it easily dissolves in water. As an industrial chemical, calcium chloride is offered by suppliers as a liquid as well as in the form of flakes, granules or as an anhydrous product....

  Potassium is an essential nutrient for plant growth. It helps the plants in the process of water regulation, photosynthesis, and formation of healthy fruits and tubers. In the selection of a fertilizer for potassium, there is more to consider than the fertilizer with the maximum K nutrient concentration. The actual choice to make is between potassium sulfate and potassium chloride. Potassium...

  Sulfuric acid production looks simple on a process diagram, but measurement inside a working plant is not. Hot gas, concentrated acid, changing density, corrosive vapors, dust, pressure shifts, and temperature swings can disturb instruments that perform well in milder service. That makes sulfuric acid measurement more than an instrumentation issue. Poor data can mean unstable acid strength,...

  A Mannheim process SOP plant uses a familiar chemical route but demands careful daily control. Potassium chloride and sulfuric acid react at high temperature to produce potassium sulfate, while hydrogen chloride is generated as a by-product. Keeping the line stable hour after hour is harder. Feed rate, acid ratio, furnace temperature, gas flow, absorption circulation and equipment status all...

  Energy is one of the largest controllable costs in a calcium chloride production plant. Much of the utility bill comes after the reaction, when water must be removed from calcium chloride solution and concentrated liquor is dried or granulated. The biggest savings rarely come from changing one machine. Better results come from treating evaporation, drying, heat recovery, air handling and automation...

Spent sulfuric acid is not simply a disposal problem. In refineries, chemical plants, and metallurgical operations, it can still contain recoverable sulfur value. Wet spent acid regeneration converts that stream into reusable sulfuric acid while reducing hazardous waste that must be neutralized, transported, or treated. Feed variability is the main challenge. Organic contamination, water, solids, corrosion...