Refinery wastewater treatment via a multistage enhanced biochemical process.
Refinery wastewater treatment via a multistage enhanced biochemical process.
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通过多级强化生化工艺处理炼油厂废水
DOI：
10.1038/s41598-021-89665-8
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发表时间：
2021-05-13
影响因子：
4.6
通讯作者：
Yang X
中科院分区：
文献类型：
--
作者：
Wang C;Chen Z;Li Y;Feng K;Peng Z;Zhu Y;Yang X
石油炼制废水（PRWW）含有难降解成分且占其成分的主要部分，采用传统生物工艺难以处理。本研究建立了一种高效且经济的生物处理工艺，用于处理进水化学需氧量（COD）超过2500 mg/L的工业石油炼制废水。该工艺主要由内循环曝气生物滤池（ICBAF）、水解酸化（HA）、两个厌氧 - 好氧（A/O）单元、膜生物反应器（MBR）以及臭氧 - 活性炭（O₃ - AC）单元组成。结果表明，总体而言，该系统去除了进水中超过94%的COD、五日生化需氧量（BOD₅）、氨氮（NH₄⁺ - N）和磷，其中ICBAF单元对COD去除率达54.6%，对BOD₅去除率达83.6%，两个A/O单元对COD去除率达33.3%，对BOD₅去除率达9.4%。还分析了八种有机污染物的降解过程以及通过处理对它们的去除情况。此外，在该系统中鉴定出26种细菌，其中变形菌门（Proteobacteria）和酸杆菌门（Acidobacteria）占主导地位。最终，该处理工艺在降解石油炼制废水中的复杂有机污染物方面表现出良好的性能。
Petroleum refinery wastewater (PRWW) that contains recalcitrant components as the major portion of constituents is difficult to treat by conventional biological processes. An effective and economical biological treatment process was established to treat industrial PRWW with an influent COD of over 2500 mg L−1in this research. This process is mainly composed of internal circulation biological aerated filter (ICBAF), hydrolysis acidfication (HA), two anaerobic–aerobic (A/O) units, a membrane biological reactor (MBR), and ozone-activated carbon (O3-AC) units. The results showed that, overall, this system removed over 94% of the COD, BOD5,ammonia nitrogen (NH4+-N) and phosphorus in the influent, with the ICBAF unit accounting for 54.6% of COD removal and 83.6% of BOD5removal, and the two A/O units accounting for 33.3% of COD removal and 9.4% of BOD5removal. The degradation processes of eight organic pollutants and their removal via treatment were also analyzed. Furthermore, 26 bacteria were identified in this system, withProteobacteriaandAcidobacteriabeing the most dominant. Ultimately, the treatment process exhibited good performance in degrading complex organic pollutants in the PRWW.
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影响因子：
3.6
作者：
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通讯作者：
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影响因子：
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作者：
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