The use of a pumice stone in removal of petroleum hydrocarbons from industrial wastewater through coagulation and flocculation

IF 1.3 Q4 ENVIRONMENTAL SCIENCES Environmental Health Engineering and Management Journal Pub Date : 2023-05-12 DOI:10.34172/ehem.2023.16
Haider Kamel Alzaidy, Firas Mustafa Al Khatib, A. Dawood
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Abstract

Background: Petroleum hydrocarbons that are released from industrial processes cause damage to aquatic life and degrade ecosystems by accumulating in the food chain, allowing living organisms to produce toxic secretions. Methods: In this study, a pumice stone was used to remove total petroleum hydrocarbons (TPHs) from industrial wastewater in the south refinery company in Iraq/Basrah by coagulation and flocculation processes using the design of experiments (DOE) approach using the method of analyzing screening designs and measurement of the samples using GC instrument. Results: The maximum removal was 99% at pH 3, coagulation dose of 0.5 g, and time of 60 min, and a comparison was made between the DOE and the multiple linear regression (MLR) to determine the effectiveness of the system used, which proved its incredible effectiveness. Conclusion: According to the results, a great convergence between the actual and prediction results of removal was found, while MLR was very far from the actual and predicted removal results. The high efficiency of pumice stone was found in removing petroleum hydrocarbons from the industrial wastewater of the South Refineries Company. Pumice stone is widely available in the market and cheap economically.
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浮石在混凝絮凝法去除工业废水中石油烃的应用
背景:工业过程中释放的石油碳氢化合物在食物链中积累,使生物体产生有毒分泌物,从而对水生生物造成损害,并使生态系统退化。方法:在本研究中,使用浮石通过混凝和絮凝工艺去除伊拉克/巴士拉南炼油公司工业废水中的总石油烃(TPHs),采用实验设计(DOE)方法,采用GC仪器分析筛选设计和测量样品的方法。结果:在pH为3、凝血剂量为0.5g、时间为60min时,最大去除率为99%,并将DOE和多元线性回归(MLR)进行了比较,以确定所用系统的有效性,这证明了其令人难以置信的有效性。结论:根据结果,去除的实际结果和预测结果之间有很大的收敛性,而MLR与实际和预测的去除结果相差甚远。利用浮石对南方炼油厂工业废水中的石油烃进行了高效去除。浮石在市场上很普遍,而且价格便宜。
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来源期刊
CiteScore
2.40
自引率
37.50%
发文量
17
审稿时长
12 weeks
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