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font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-align: center;"><span style="font-size:14px; margin:0px; padding:0px"><img alt="" src="http://m.h7502.cn/uploads/allimg/181206/1-1Q2061F509301.png" style="border:0px none; margin:0px; padding:0px; vertical-align:middle" /></span></p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br style="margin: 0px; padding: 0px;" /> <span style="font-size:14px; margin:0px; padding:0px"><strong style="font-weight:bold !important; margin:0px; padding:0px">厭氧反應器</strong>運行過程中，最嚴重的問題就是“<strong style="font-weight:bold !important; margin:0px; padding:0px">厭氧反應器酸化</strong>”，最嚴重時，需要更換整個反應器內(nèi)的<strong style="font-weight:bold !important; margin:0px; padding:0px">厭氧污泥</strong>，損失可達幾十萬甚至上百萬。那么，</span><strong style="font-size:14px; font-weight:bold !important; margin:0px; padding:0px">厭氧反應器酸化！如何處理？</strong><span style="font-size:14px; margin:0px; padding:0px">能否在盡可能短的時間內(nèi)恢復正常運行呢？</span></p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="font-size:14px; margin:0px; padding:0px"> </span></p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><strong style="font-weight:bold !important; margin:0px; padding:0px"><span style="font-size:14px; margin:0px; padding:0px">酸化的表現(xiàn)</span></strong></p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> </p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="font-size:14px; margin:0px; padding:0px">首先，我們來了解一下厭氧反應器酸化的四個現(xiàn)象：</span></p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> </p> <ul style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> <li style="margin: 0px; padding: 0px; list-style-type: none; font-size: 12px;"> <p style="margin: 0px; padding: 0px;"><span style="font-size:14px; margin:0px; padding:0px">反應器內(nèi)pH值明顯下降</span></p> </li> <li style="margin: 0px; padding: 0px; list-style-type: none; font-size: 12px;"> <p style="margin: 0px; padding: 0px;"><span style="font-size:14px; margin:0px; padding:0px">出水VFA顯著上升</span></p> </li> <li style="margin: 0px; padding: 0px; list-style-type: none; font-size: 12px;"> <p style="margin: 0px; padding: 0px;"><span style="font-size:14px; margin:0px; padding:0px">COD去除效率大幅降低</span></p> </li> <li style="margin: 0px; padding: 0px; list-style-type: none; font-size: 12px;"> <p style="margin: 0px; padding: 0px;"><span style="font-size:14px; margin:0px; padding:0px">沼氣產(chǎn)量持續(xù)減少</span></p> </li> </ul> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> </p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="font-size:14px; margin:0px; padding:0px">通常情況下，以上這些現(xiàn)象是同時發(fā)生的。一旦出現(xiàn)上述現(xiàn)象，請務必給予足夠的重視。</span></p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="font-size:14px; margin:0px; padding:0px"> </span></p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><strong style="font-weight:bold !important; margin:0px; padding:0px"><span style="font-size:14px; margin:0px; padding:0px">原因分析</span></strong></p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> </p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><strong style="font-size:14px; font-weight:bold !important; margin:0px; padding:0px">厭氧反應器酸化！如何處理？</strong><span style="font-size:14px; margin:0px; padding:0px">厭氧反應器發(fā)生酸化的根源，是厭氧污泥中產(chǎn)甲烷菌的產(chǎn)甲烷能力不足以分解水解酸化菌所產(chǎn)出的有機酸，同時pH值的下降會使未降解的VFA濃度上升，對產(chǎn)甲烷菌產(chǎn)生進一步的抑制，使反應器繼續(xù)酸化，形成惡性循環(huán)，最終導致反應器酸化。</span></p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> </p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><strong style="font-weight:bold !important; margin:0px; padding:0px"><span style="font-size:14px; margin:0px; padding:0px">導致酸化的主要原因如下：</span></strong></p> <ul style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> <li style="margin: 0px; padding: 0px; list-style-type: none; font-size: 12px;"> <p style="margin: 0px; padding: 0px;"><span style="font-size:14px; margin:0px; padding:0px">營養(yǎng)鹽缺乏</span></p> </li> <li style="margin: 0px; padding: 0px; list-style-type: none; font-size: 12px;"> <p style="margin: 0px; padding: 0px;"><span style="font-size:14px; margin:0px; padding:0px">pH條件或溫度條件不合適</span></p> </li> <li style="margin: 0px; padding: 0px; list-style-type: none; font-size: 12px;"> <p style="margin: 0px; padding: 0px;"><span style="font-size:14px; margin:0px; padding:0px">由于超負荷運行造成</span></p> </li> <li style="margin: 0px; padding: 0px; list-style-type: none; font-size: 12px;"> <p style="margin: 0px; padding: 0px;"><span style="font-size:14px; margin:0px; padding:0px">廢水中混入了毒性物質(zhì)</span></p> </li> </ul> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> </p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><strong style="font-weight:bold !important; margin:0px; padding:0px"><span style="font-size:14px; margin:0px; padding:0px">處理措施</span></strong></p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> </p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="font-size:14px; margin:0px; padding:0px">一旦發(fā)生厭氧反應器酸化，不論什么原因，都需要迅速扭轉(zhuǎn)這種趨勢，應當采取如下兩種應急措施。</span></p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> </p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><strong style="font-weight:bold !important; margin:0px; padding:0px"><span style="font-size:14px; margin:0px; padding:0px">1. 大幅降低運行負荷</span></strong></p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> </p> <ul style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> <li style="margin: 0px; padding: 0px; list-style-type: none; font-size: 12px;"> <p style="margin: 0px; padding: 0px;"><span style="font-size:14px; margin:0px; padding:0px">盡量多降低負荷，可以降低至50%，甚至暫停處理廢水。</span></p> </li> <li style="margin: 0px; padding: 0px; list-style-type: none; font-size: 12px;"> <p style="margin: 0px; padding: 0px;"><span style="font-size:14px; margin:0px; padding:0px">同時，若厭氧反應器設有外循環(huán)管路，則通過循環(huán)泵打循環(huán)，直至VFA恢復正常。</span></p> </li> </ul> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> </p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><strong style="font-weight:bold !important; margin:0px; padding:0px"><span style="font-size:14px; margin:0px; padding:0px">2. 采取多種手段，避免出水PH值降低到正常范圍（6.5）以下</span></strong></p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> </p> <ul style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> <li style="margin: 0px; padding: 0px; list-style-type: none; font-size: 12px;"> <p style="margin: 0px; padding: 0px;"><span style="font-size:14px; margin:0px; padding:0px">若厭氧反應器出水pH值降至6.5以下甚至更低，則須適當提高反應器進水的pH值，以維持反應器內(nèi)合適的pH環(huán)境。（進水pH值提高的幅度視反應器內(nèi)pH值下降的程度而定，有時可以將進水的pH值調(diào)整至8.0以上甚至9.0以上。）</span></p> <p style="margin: 0px; padding: 0px;"> </p> </li> </ul> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> </p> <ul style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> <li style="margin: 0px; padding: 0px; list-style-type: none; font-size: 12px;"> <p style="margin: 0px; padding: 0px;"><span style="font-size:14px; margin:0px; padding:0px">當反應器內(nèi)的pH值降低到5.0以下，說明反應器酸化已經(jīng)非常嚴重了。這時，可以用清水置換厭氧反應器內(nèi)的廢水，將反應器內(nèi)的VFA濃度迅速降低，同時盡快恢復反應器內(nèi)正常的pH環(huán)境。</span></p> </li> </ul> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> </p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="font-size:14px; margin:0px; padding:0px">通過以上兩個措施，如果反應器酸化的原因僅僅是超負荷，只要沒有嚴重到致使厭氧污泥大量流失，在24小時至數(shù)天內(nèi)，反應器中的VFA會下降到200mg/l以下，pH值會恢復至正常的水平。即使由于酸化程度過于嚴重或者由于其他原因?qū)е路磻鞑荒芡耆謴?，也可以使酸化程度得到緩解，為后續(xù)查明原因并采取進一步的應對措施贏得時間。</span></p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> </p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="font-size:14px; margin:0px; padding:0px">當反應器的酸化被遏制后，可以進行低負荷運行，然后根據(jù)運行情況逐步增加負荷直至反應器的運行負荷和效率恢復到酸化前的正常水平。</span></p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="font-size:14px; margin:0px; padding:0px"> </span></p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="font-size:14px; margin:0px; padding:0px">正如我們在文章開頭提到的，<strong style="font-weight:bold !important; margin:0px; padding:0px">厭氧污泥酸化</strong>是厭氧反應器運行中最嚴重的事故之一。遇到此類問題，建議廣大站長和操作人員應保持冷靜，根據(jù)實際情況準確做出判斷，并立即采取正確措施，切不可有“等等看”、“再挺一挺”等僥幸心理，從而錯過了解決問題的最佳時機。</span></p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei UI", "Microsoft YaHei", SimSun, "Segoe UI", Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> </p> <p style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: 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