A simple and effective method coupling coagulation and UV/TiO2 photocatalysis for treating real-produced wastewater from oil processing

IF 2.2 4区化学 Q2 Engineering Chemical Papers Pub Date : 2024-08-10 DOI:10.1007/s11696-024-03374-w

Domenico Rosa, Seynura Hasanova, Nigar Abbasova, Hamza Nacer, Fegan Aliyev, Luca Di Palma

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Abstract

The complex composition of real-produced wastewater from oil processing poses significant challenges for wastewater treatment. The employed conventional methods have disadvantages such as low efficiency, high-cost demand, secondary waste, adverse effects on the environment and need to be intensified. The combined treatment of coagulation (carried out with Al₂(SO₄)₃) and photocatalysis (UV/TiO₂) was studied on wastewater produced from a SOCAR (Pirallahi dry well) oil extraction plant and synthetic paracetamol-based wastewater. Two different dosages of Degussa P25 catalyst at different pH conditions and ion presence were studied. Characterization of the produced wastewater showed the complexity of the treated matrix given the presence of inorganic ions and aromatic and aliphatic contaminants, and an important parameter that was reduced through coagulation was turbidity. The initial concentration expressed as THC was 714 mg/L. At the end of the treatment, a THC value of 210 mg/L was reached.

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一种简单有效的混凝和紫外线/二氧化钛光催化耦合方法，用于处理石油加工过程中产生的实际废水

石油加工过程中实际产生的废水成分复杂，给废水处理带来了巨大挑战。所采用的传统方法存在效率低、成本高、产生二次废物、对环境造成不利影响等缺点，需要进一步改进。研究人员对 SOCAR（Pirallahi 旱井）采油厂产生的废水和以扑热息痛为基础的合成废水进行了混凝（使用 Al2(SO4)3）和光催化（紫外线/二氧化钛）联合处理。研究了两种不同剂量的 Degussa P25 催化剂在不同 pH 值条件和离子存在情况下的作用。对所产生废水的特性分析表明，由于存在无机离子、芳香族和脂肪族污染物，处理后的基质非常复杂。以 THC 表示的初始浓度为 714 毫克/升。处理结束时，THC 值为 210 毫克/升。

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来源期刊

Chemical Papers Chemical Engineering-General Chemical Engineering

CiteScore

3.30

自引率

4.50%

发文量

590

期刊介绍： Chemical Papers is a peer-reviewed, international journal devoted to basic and applied chemical research. It has a broad scope covering the chemical sciences, but favors interdisciplinary research and studies that bring chemistry together with other disciplines.