flocculant
flocculant — 名詞
1. a chemical added to water or soil that makes very small particles join into larg
絮凝劑
使水或土中細小顆粒凝聚成大塊的藥劑
a chemical added to water or soil that makes very small particles join into larger, heavier clumps, so they can settle or be removed.
The water plant added a flocculant to make the mud particles clump and settle.
淨水廠加入絮凝劑，讓泥沙顆粒凝聚並沉澱下來。
add a flocculant + to-infinitive of purpose
Karim poured a small dose of flocculant into the cloudy tank water.
Karim 把少量絮凝劑倒進混濁的水槽裡。
Without a flocculant, the tiny clay bits kept floating and the water looked dirty.
沒有絮凝劑，細小的黏土微粒就一直漂浮，水看起來很髒。
Engineers at the dam tested a new flocculant to clear the brown river water.
大壩的工程師測試了一種新的絮凝劑，要讓棕色的河水變清澈。
Zola mixed the flocculant slowly so the fine dust would gather into soft lumps.
Zola 慢慢攪拌絮凝劑，好讓細微的灰塵聚成柔軟的小團塊。
- coagulant
a coagulant first makes the particles able to clump; a flocculant then ties them into large, visible flocs
- flocculating agent
a longer, more formal name for the same substance
用法筆記
Mostly used in water treatment, environmental engineering, and soil science. The action it performs is called 'flocculation', and the soft clumps it creates are called 'flocs'.