甚麼是草木灰？

denyslai

甚麼是草木灰？
草木灰是木材、植物在燃燒後殘留的粉末狀灰燼物質，經常在壁爐、篝火或工業發電廠等出現。它主要由鈣化合物以及木材中存在的其他不可燃的無機物組成，在歷史中有很多用途。
(https://zh.wikipedia.org/wiki/%E8%8D%89%E6%9C%A8%E7%81%B0)

用途：
肥料，堆肥，陶器，肥皂，生物浸出，食品加工。
／12 2023

denyslai

Wood ash is the powdery residue remaining after the combustion of wood, such as burning wood in a fireplace, bonfire, or an industrial power plant. It is largely composed of calcium compounds along with other non-combustible trace elements present in the wood. It has been used for many purposes throughout history.