王鵬 劉梅 翁益松 鄭海宏 孫靜亞
摘要 [目的]以標志性海島城市舟山市的黑臭河道為研究對象,利用化學抑制劑對海島城市黑臭河水的黑臭進行治理試驗,探索適合于海島城市黑臭水體的應急治理化學抑制劑。[方法]通過自配河道水體模擬水體黑臭變化,并對黑臭后的水體使用環(huán)保的雙氧水與漂白粉聯(lián)用作為化學抑制劑來進行黑臭水體的應急治理。[結(jié)果]雙氧水與漂白粉聯(lián)用時,雙氧水與漂白粉使用量分別為5 mL/m3、10 g/m3,二者使用間隔時間為45 min。[結(jié)論]雙氧水與漂白粉聯(lián)用作為化學抑制劑可為黑臭水體的應急治理提供幫助。
關(guān)鍵詞 黑臭污水;化學抑制劑;應急治理;海島城市
中圖分類號 X52文獻標識碼 A
文章編號 0517-6611(2019)21-0068-03
doi:10.3969/j.issn.0517-6611.2019.21.021
開放科學(資源服務)標識碼(OSID):
Study on Chemical Inhibitors for Emergency Management of Black and Odorous Waters in Island Cities
WANG Peng1,LIU Mei1,WENG Yisong2 et al
(1.College of Marine Science and Technology, Zhejiang Ocean University, Zhoushan,Zhejiang 316022;2.Zhoushan Water Conservancy Survey and Design Institute,Zhoushan, Zhejiang 316000)
Abstract [Objective] Taking the black stinking river channel of Zhoushan City, a landmark island city, as the research object, the chemical inhibitors were used to conduct the treatment test on the black odor of the black river in the island city, and to explore the chemical inhibitors for emergency treatment suitable for the black odorous water body of the island city.[Method] The black and smelly water body was simulated by selfmade river body, and the environmental friendly hydrogen peroxide combined with bleaching powder was used as chemical inhibitor to treat the black smelly water body. [Result] When hydrogen peroxide was combined with bleaching powder, the dosage of hydrogen peroxide and bleaching powder was 5 mL/m3 and 10 g/m3, respectively, and the interval between them was 45 min. [Conclusion]Hydrogen peroxide combined with bleaching powder can be used as a chemical inhibitor to provide help for the emergency treatment of smelly water.
Key words Black smelly sewage;Chemical inhibitors;Emergency management;Island cities
基金項目 舟山市科技計劃項目(2016C41006,2018C21012);浙江省公益技術(shù)應用研究計劃項目(2016C33054)。
作者簡介 王鵬(1994—),男,湖南澧縣人,碩士研究生,研究方向:水污染控制技術(shù)。
* 通信作者,教授,碩士生導師,從事水污染與固廢處理技術(shù)研究。
收稿日期 2019-04-28;修回日期 2019-05-13
自從進入21世紀,我國經(jīng)濟發(fā)展迅速,城市化的進程加速,人民生活水平顯著提高,藍色海洋經(jīng)濟的興起與發(fā)展是現(xiàn)階段經(jīng)濟發(fā)展潮流,中共十八大報告提出:“提高海洋資源開發(fā)能力,發(fā)展海洋經(jīng)濟,保護海洋生態(tài)環(huán)境,堅決維護國家海洋權(quán)益,建設海洋強國”[1]。國家經(jīng)濟發(fā)展戰(zhàn)略向海洋轉(zhuǎn)移、發(fā)展藍色經(jīng)濟的情況下,海島城市比沿海城市更具有戰(zhàn)略意義,而響應中共十八大的戰(zhàn)略目標[2],海島城市進入飛速發(fā)展時期,與此同時污染亦日益嚴重,以舟山市為代表的海島城市已經(jīng)出現(xiàn)了黑臭水體。海島城市的水資源條件貧乏[3],主要河道短小且降雨分布不均,地表水缺乏必要的調(diào)蓄手段,海島城市除自然降雨以外無其他外源淡水進入水網(wǎng)系統(tǒng)調(diào)節(jié)水體,而在海島城市經(jīng)濟發(fā)展同時城鄉(xiāng)居民對水的需求逐漸增大,這也就直接導致了海島發(fā)展的制約與困難,因為海島城市的地理位置孤立與隔絕[4],城市建設發(fā)展時或多或少地出現(xiàn)環(huán)境惡化的問題,在多雨臺風季節(jié)時水土流失嚴重,以至于城市水體中水土淤積,支流消失,平原地區(qū)增多,城市面積增大,造成人口增多,水源減少現(xiàn)象,海島城市調(diào)蓄水體大量減少,原有的調(diào)蓄手段不能使用,原有調(diào)蓄功能的水體喪失調(diào)蓄能力[5-6]。因此,該研究以標志性海島城市舟山市的黑臭河道為研究對象,對黑臭后的水體使用環(huán)保的雙氧水與漂白粉聯(lián)用作為化學抑制劑來進行黑臭水體的應急治理,以期為該類城市河道黑臭污染指標評級和治理提供理論參考和技術(shù)支持。
安徽農(nóng)業(yè)科學 2019年
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