Potassium Hydroxide Plant
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Keywords:
ENGINEERING CASE
Fertilizer
Potash Fertilizer Chemical Industry
Product details
Asia Chemical Engineering Co., Ltd. is one of the most reliable manufacturers and suppliers of Potassium Hydroxide plants in China. Please rest assured to wholesale cost-efficient Potassium Hydroxide plants from our factory. Good service and reasonable price are available.
Product Details
Name: Potassium Hydroxide Production Line
Source: Potassium chloride (KCl) and water are used as raw materials for ion‑exchange membrane electrolysis, producing 32% liquid caustic potash (KOH), chlorine gas and hydrogen gas. The 32% KOH is concentrated to obtain 50% KOH, which is then flaked to produce solid KOH.
Properties and Specifications of Potassium Hydroxide
Product | Specifications | Properties |
| 32% potassium hydroxide solution | KOH ≥ 32%, K₂CO₃ ≤ 0.5%, KCl ≤ 0.04%, low iron content; industrial ion‑membrane liquid caustic potash | A colorless, transparent, viscous and strongly alkaline liquid, highly corrosive and hygroscopic; |
| 50% potassium hydroxide solution | KOH ≥ 50%, low‑impurity, industrial grade | High‑concentration strong‑alkali liquid; |
| solid KOH | KOH ≥ 90% / 95%, industrial grade; high‑purity grade can reach 99% | White flaky solid, highly deliquescent and strongly corrosive. |
Complete Process Route of Potassium Hydroxide Production Line (Ion‑Exchange Membrane Electrolysis of KCl Process)
1. Raw Material Supply: Brine preparation from potassium chloride (KCl) and H₂O;
2. Ion‑Exchange Membrane Electrolysis: Potassium chloride brine is electrolyzed in electrolyzers, yielding three streams: 32% KOH liquid caustic soda, chlorine gas (Cl₂), and hydrogen gas (H₂);
3. Potassium Hydroxide Concentration‑Flaking Process
• 32% KOH → Evaporative Concentration → 50% KOH;
• Further evaporation and flaking of 50% KOH → Solid flake‑form KOH;
Main Applications of Potassium Hydroxide
1. 32% liquid KOH: Battery electrolyte, raw material for potassium‑salt chemicals (potassium carbonate, potassium phosphate), daily‑use detergents, textile printing and dyeing, pharmaceutical intermediates;
2. 50% liquid KOH: Fine chemicals, oil saponification;
3. Solid flake KOH: Deep processing of potassium fertilizers, electroplating, alkaline batteries, dyes, petroleum desulfurization;
Process Characteristics of Potassium Hydroxide Production Line
1. Ion‑exchange membrane electrolysis process delivers high‑purity products with lower energy consumption compared to the diaphragm process;
2. Multi‑product co‑production within one set of unit: liquid caustic soda, flake caustic soda, chlorine gas, liquid chlorine, sodium hypochlorite, calcium hypochlorite, hydrochloric acid;
3. Severe corrosive operating conditions requiring high‑grade equipment materials (titanium material, Hastelloy alloy);
4. The whole plant is available as an EPC turnkey contract, with full‑scope delivery from brine preparation to finished‑product storage tanks;
5. Classified as a hazardous chemical plant, equipped with supporting safety and tail‑gas treatment systems.
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