化学工业应用
80个由化学驱动的实际工业流程
克劳尔法生产钛
从极稳定氧化物中提取航空航天金属
Titanium metal is produced by the Kroll process — reduction of titanium tetrachloride (TiCl₄) with magnesium in an inert atmosphere. …
氰化物浸金
用1887年发现的化学从矿石中溶解金
Gold cyanidation dissolves gold from crushed ore using dilute sodium cyanide solution, a process patented by MacArthur and Forrest in …
电弧炉生产不锈钢
铁与铬合金化以获得耐腐蚀性
Stainless steel is produced by melting scrap steel and ferroalloys in an electric arc furnace (EAF), followed by refining in …
电镀表面处理（铬、镍、锌）
沉积薄金属涂层以保护和美观
Electroplating deposits a thin layer of metal onto a conductive substrate using electrolysis, providing corrosion protection, wear resistance, and decorative …
硫化矿石锌的电解精炼
电沉积法生产的第四大消费金属
Zinc is the fourth most consumed metal globally, primarily produced by the roast-leach-electrowin (RLE) process from zinc sulfide (sphalerite) ore. …
霍尔-埃鲁电解法炼铝
通过熔融盐电解生产轻质金属
Aluminum is produced by electrolysis of alumina (Al₂O₃) dissolved in molten cryolite (Na₃AlF₆) at 960 degrees C — the Hall-Heroult …
高炉炼铁
钢铁生产和工业文明的基础
The blast furnace reduces iron ore (hematite, Fe₂O₃) to pig iron using coke as both fuel and reducing agent. This …
高纯度铜电解精炼
将铜精炼至99.99%用于电气应用
Copper electrorefining purifies blister copper (99% Cu) to cathode copper (99.99% Cu) by electrolysis in acidic copper sulfate solution. Impure …