qiaojs
幼苗
共回答了20个问题采纳率:90% 举报
V(需处理的废水)=500m3×1000(l/m3)=500000L ;
m(氨的总量)=0.034g/L ×500000L =17000g ;
n(氨的总量)=m(氨的总量)/(17g/mol)
=17000g/(17g/mol)=1000mol ;
n(处理氨的总量)=n(氨的总量)×98%=1000mol ×98%=980mol ;
有反应原理得出以下反应关系:
5CH3OH------3N2-------6硝酸根------6NH3
5 3 6
n(CH3OH) n(N2) 980mol
n(CH3OH) = (980mol×5)/ 6 ;
m(CH3OH) =【 (980mol×5)/ 6】×(32g/mol)=26133.3g≈26.1kg ;
n(N2) = (980mol×3)/ 6 =490mol ;
m(N2) =(490mol)×(28g/mol)=13720g≈13.7kg ;
答:每天需甲醇约26.1kg ,放出氮气约13.7kg.
1年前
9