收(shou)割(ge)濕地 凈(jing)化水質
人工濕地是(shi)利(li)用(yong)(yong)土壤、人工介質、植(zhi)(zhi)物(wu)(wu)、微生(sheng)物(wu)(wu)的(de)物(wu)(wu)理、化學、生(sheng)物(wu)(wu)三重(zhong)協作(zuo),凈(jing)化水質的(de)一(yi)種技術,具有吸附(fu)、過濾(lv)、氧(yang)化還原、微生(sheng)物(wu)(wu)分解、轉化、植(zhi)(zhi)物(wu)(wu)遮蔽、養分吸收等作(zuo)用(yong)(yong)。
仁壽啟(qi)源環境工(gong)程(cheng)有(you)限(xian)公司所屬的黑龍灘污水(shui)處理廠人(ren)(ren)工(gong)濕地占地17畝,主(zhu)要植(zhi)物(wu)(wu)有(you)美人(ren)(ren)蕉、風車草、千屈菜、蘆葦、再力花(hua)、香蒲等水(shui)生(sheng)、挺(ting)水(shui)植(zhi)物(wu)(wu)。近(jin)日公司組織員(yuan)工(gong)20余人(ren)(ren),歷時5天,對該濕地水(shui)生(sheng)植(zhi)物(wu)(wu)進(jin)(jin)行(xing)了人(ren)(ren)工(gong)收(shou)割(防止植(zhi)物(wu)(wu)碎渣掉入水(shui)體)。收(shou)割產生(sheng)廢棄植(zhi)物(wu)(wu)約50余噸,經(jing)晾曬(shai)后全部(bu)送(song)往(wang)火力發電站進(jin)(jin)行(xing)無害化處理。
濕(shi)(shi)地(di)水生植(zhi)(zhi)物(wu)是人(ren)工(gong)(gong)生態濕(shi)(shi)地(di)的核心,適宜(yi)的水生植(zhi)(zhi)物(wu)可(ke)以有效去除(chu)廢水中的氨氮、總氮、總磷、COD等污染物(wu),目前臨(lin)近冬季(ji),人(ren)工(gong)(gong)濕(shi)(shi)地(di)植(zhi)(zhi)物(wu)收割保證了來年濕(shi)(shi)地(di)植(zhi)(zhi)物(wu)的正常生長,防止植(zhi)(zhi)物(wu)腐(fu)敗(bai)影(ying)響水質和(he)植(zhi)(zhi)物(wu)腐(fu)敗(bai)殘渣堵塞碎石床,為更好的發揮濕(shi)(shi)地(di)凈水功能奠(dian)定基礎。