Hard water can be softened by adding sodium carbonate (washing soda) or by passing the water through an ion-exchange column. Sodium carbonate, Na 2 CO 3, is also known as washing soda. It can ...
Interesting Engineering on MSN7mon
Clean lithium extraction possible with new zero-water, zero-chemical methodMoreover, the harsh chemicals (such as hydrochloric acid, sodium carbonate ... R), a technology that allows lithium ...
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