【摘要】：以模擬養(yǎng)豬廠排放的高磷廢水為研究對(duì)象,通過改變底物條件,考察初始C/P值、進(jìn)水PO3-4-P濃度對(duì)兼氧MBR氣化除磷效能的影響。結(jié)果表明:底物條件對(duì)兼氧MBR氣化除磷效能的影響顯著,初始C/P值過高或過低都不利于磷酸鹽的去除與磷化氫的生成。當(dāng)初始C/P為50時(shí),兼氧MBR反應(yīng)器對(duì)磷酸鹽的去除率達(dá)到最高,平均去除率為34.22%,磷化氫的產(chǎn)量也達(dá)到最高,平均為277.5μg/L。同時(shí),在碳源充足的條件下,當(dāng)進(jìn)水ρ(PO3-4-P)濃度為40mg/L時(shí),兼氧MBR反應(yīng)器對(duì)磷酸鹽的去除率達(dá)到最高,磷化氫的產(chǎn)量也達(dá)到最高。工藝適用性分析表明,兼氧MBR氣化除磷工藝適用于處理養(yǎng)殖廢水、屠宰廢水、肉食品加工廢水等碳源充足的高磷污(廢)水。
[Abstract]:The effects of initial C / P value and influent PO3-4-P concentration on phosphorus removal efficiency of facultative oxygen MBR gasification were investigated by changing substrate conditions. The results show that the substrate condition has a significant effect on phosphorus removal efficiency of facultative MBR gasification. Too high or too low initial C / P value is not conducive to phosphate removal and phosphine formation. When the initial C / P is 50, the removal rate of phosphate in facultative oxygen MBR reactor is the highest, the average removal rate is 34.222.The yield of phosphine is also the highest, with an average of 277.5 渭 g 路L ~ (-1) 路L ~ (-1). At the same time, when the influent 蟻 (PO3-4-P) concentration is 40mg/L, the removal rate of phosphate and the yield of phosphine are the highest in the facultative oxygen MBR reactor under the condition of sufficient carbon source. The analysis of process applicability shows that the combined oxygen MBR gasification process is suitable for the treatment of high phosphorus waste water with sufficient carbon sources, such as aquaculture wastewater, slaughtering wastewater, meat processing wastewater, etc.
【作者單位】： 沈陽(yáng)建筑大學(xué)市政與環(huán)境工程學(xué)院;
【基金】：沈陽(yáng)市科委科研項(xiàng)目(F15-199-1-17) 國(guó)家自然科學(xué)基金(51508343)
【分類號(hào)】：X713

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本文編號(hào)：2341924