A primary goal in wastewater treatment is to reduce the _________.

검증된 단계별 안내

Identify the key objective of wastewater treatment, which is to improve water quality by removing harmful substances.

Understand that wastewater contains various pollutants such as organic matter, pathogens, nutrients, and toxic chemicals.

Recognize that the primary goal is to reduce the concentration of organic matter, often measured as Biological Oxygen Demand (BOD), which indicates the amount of oxygen required by microorganisms to decompose organic material.

Consider that reducing BOD helps prevent oxygen depletion in natural water bodies, protecting aquatic life.

Conclude that the blank in the sentence is best filled with 'Biological Oxygen Demand (BOD)' or 'organic pollutants,' as these are the main targets in wastewater treatment.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

영상 길이:

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Biochemical Oxygen Demand (BOD)

BOD measures the amount of oxygen required by microorganisms to decompose organic matter in water. Reducing BOD in wastewater is crucial because high BOD levels deplete oxygen in natural water bodies, harming aquatic life.

Organic Matter in Wastewater

Organic matter consists of biodegradable substances like food waste, sewage, and plant material. Its presence in wastewater increases microbial activity, leading to oxygen consumption and potential pollution if not properly treated.

Wastewater Treatment Processes

These processes, including primary, secondary, and tertiary treatments, aim to remove contaminants such as organic matter, nutrients, and pathogens. Effective treatment reduces pollutants like BOD, ensuring safer discharge into the environment.