资讯

(4)氧气的实验室制法:①加热高锰酸钾:2KMnO4=K2MnO4+ MnO2+O2. ②加热氯酸钾二氧化锰作催化剂: ③常温分解过氧化氢和二氧化锰作催化剂: (4)氧气的检验方法:把带火星的木条伸入集气瓶中,如果木条复燃,则气体是氧气。
In this study, the fate of carbohydrates, proteins, and humic substances in feedwater, sludge supernatant, and permeate of a pilot-scale membrane bioreactor (MBR) was investigated. Over 10 months, ...