題組內容

7.淨水工程中,在原水中加入化學藥,促使較難沉澱的膠體顆社和慢速沉降的懸浮固體形成較大交與沉澱去除,稱為混凝與膠凝(coagulatio flocculaion),請解釋:

(ii) 膠凝四個主要機制(숨1..double layer compressionouteos adsorption and charge neutralization, 3., sweep flocculation, 4.. adsorption and bridging); (12%)