麦草秸秆CTMP废水UASB-SBR-深度处理

Abstract

Abstract: The wastewater from wheat straw chemithermomechnical pulp (CTMP) pulping process contained high COD, nitrogen and phosphorus. It was treated by upflow anaerobic sludge blanket (UASB), sequencing batch reactor(SBR) and deep treatment process without adding any nutrient. The results showed that when the influent volume load of UASB anaerobic phase was 6kg/(m³·d), aerobic treatment time was 24h and anoxic minxing time was 25min in the SBR treatment, and the addition of reagent A was 0.15% in deep treatment, the COD, total nitrogen(TN) content, total phosphorus(TP) content and color could reach 71.18mg/L, 5.43mg/L and 33. This treated water met the national discharge standard.

Key words: CTMP wastewater, UASB-SBR-deep treatment

CLC Number:

TQ35
X793

RAN Miao, SHI Ying-qiao, FANG Gui-gan, ZHANG Hua-lan, DING Lai-bao, PAN Ai-xiang. UASB-SBR-Deep Treatment of Wastewater from Wheat Straw CTMP Pulping Process[J]. bce, 2016, 50(1): 17-21.

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UASB-SBR-Deep Treatment of Wastewater from Wheat Straw CTMP Pulping Process

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