Scholarlink

Investigating the accumulation of contaminants in sludge produced from treating petroleum wastewater (PWW) and oil field effluents is crucial due to the significant environmental and operational challenges associated with managing this waste. The treatment processes for PWW and oil field discharges (OFD) significantly facilitate the buildup of pollutants within the sludge, thereby presenting substantial challenges to the health of ecosystems. The primary treatment phase eliminates free oil and solid particulates, while the subsequent secondary treatment phase removes organic pollutants; the tertiary treatment phase further mitigates the presence of dissolved contaminants. Consequently, contaminants not eliminated during the effluent treatment process become concentrated within the semi-solid sludge, underscoring the urgent need for effective management strategies. The predominant contaminants identified within this sludge consist of intricate combinations of hydrocarbons, phenolic compounds, heavy metals, salts, and polycyclic aromatic hydrocarbons (PAHs). Hydrocarbons, which constitute approximately 40–52% of the sludge, encompass alkanes and aromatic compounds, both deleterious to aquatic organisms. The phenolic compounds are present in considerable quantities; these phenolic substances exhibit toxic properties and can potentially disrupt biological processes within ecosystems. Heavy metal constituents, including zinc (Zn), cadmium (Cd), lead (Pb), and nickel (Ni), are frequently detected in sludge, thereby exacerbating soil and water contamination issues. Compounds classified as PAHs are known for their cytotoxicity and potential carcinogenic properties, adversely affecting soil fertility and presenting health hazards to humans and wildlife. A comprehensive understanding of the sludge's composition and associated pollutant load is essential for formulating effective treatment and disposal methodologies. Advocating sustainable management practices can significantly mitigate environmental repercussions while facilitating the recovery of valuable resources from sludge. This chapter will discuss all of these accumulated pollutants in detail.

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Study of Pollutant Accumulation in Sludge Produced During Treatment

  • 章节

  • 发表日期：

    2025年

查看全文
  • Md. Ruhul Amin Foisal,
  • Abu Bin Imran

摘要

Investigating the accumulation of contaminants in sludge produced from treating petroleum wastewater (PWW) and oil field effluents is crucial due to the significant environmental and operational challenges associated with managing this waste. The treatment processes for PWW and oil field discharges (OFD) significantly facilitate the buildup of pollutants within the sludge, thereby presenting substantial challenges to the health of ecosystems. The primary treatment phase eliminates free oil and solid particulates, while the subsequent secondary treatment phase removes organic pollutants; the tertiary treatment phase further mitigates the presence of dissolved contaminants. Consequently, contaminants not eliminated during the effluent treatment process become concentrated within the semi-solid sludge, underscoring the urgent need for effective management strategies. The predominant contaminants identified within this sludge consist of intricate combinations of hydrocarbons, phenolic compounds, heavy metals, salts, and polycyclic aromatic hydrocarbons (PAHs). Hydrocarbons, which constitute approximately 40–52% of the sludge, encompass alkanes and aromatic compounds, both deleterious to aquatic organisms. The phenolic compounds are present in considerable quantities; these phenolic substances exhibit toxic properties and can potentially disrupt biological processes within ecosystems. Heavy metal constituents, including zinc (Zn), cadmium (Cd), lead (Pb), and nickel (Ni), are frequently detected in sludge, thereby exacerbating soil and water contamination issues. Compounds classified as PAHs are known for their cytotoxicity and potential carcinogenic properties, adversely affecting soil fertility and presenting health hazards to humans and wildlife. A comprehensive understanding of the sludge's composition and associated pollutant load is essential for formulating effective treatment and disposal methodologies. Advocating sustainable management practices can significantly mitigate environmental repercussions while facilitating the recovery of valuable resources from sludge. This chapter will discuss all of these accumulated pollutants in detail.