While inorganic ammonia and nitrite are easily managed with "biological filtration" many organic compounds tend to accumulate resisting microbial degradation.

虽然无机氨和亚硝酸盐很容易与“生物过滤”管理的许多有机化合物往往积累抗微生物降解。

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Bio - degradation role of aerobiotic organic substance and relationships between biological degradation and dissolved oxygen were stated, which provided theoretical basis for waste water reatment.

本文论述了需氧有机物的生物降解作用以及与溶解氧平衡的关系，从而为污水治理提供理论依据。

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Using GC/MS technology, the relative content of various organic pollutants was analyzed to discover the transfer and degradation law in the oilfield wastewater in biological treatment process.

运用GC/MS技术分析油田废水有机污染物在工艺流程中相对组分变化的规律，揭示了水解酸化-好氧法处理油田废水过程中的污染物迁移和降解规律。

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