Scholarlink

<p>The rapid growth of crude oil production has led to an increase in produced water (PW) with heavy metal concentrations such as copper, lead, and other metals that pose significant ecological and public health challenges. In this work, a Mn<sub>3</sub>O<sub>4</sub>/Nano-Activated Carbon (Mn<sub>3</sub>O<sub>4</sub>/Nano-AC) new composite was prepared via a controlled hydrothermal-helped precipitation process, yielding Nano adsorbent with a high-surface-area activated carbon with enhanced redox and ion-exchange capabilities. The new composite was characterized using XRD, BET surface analysis, SEM, and EDX, for the successful addition of Manganese oxide within the porous activated carbon (AC) structure. The nano composite was applied in a newly engineered Digital Baffle Adsorption Reactor (DBAR) intended to enhance turbulence, adsorption time, and adsorption efficiency through precise digital flow control and baffle geometry modifications. Batch flow experiments established rapid uptake kinetics, achieving 93.3% and 99.7% removal of copper metal at 120 adsorption time, 9 pH, 300 RPM agitation speed, and 1 g amount of prepared adsorbent for activated carbon and activated carbon with metal oxide, respectively. Adsorption followed a pseudo-first-order kinetic model and fit well with the Langmuir isotherm, indicating monolayer phyisorption as the dominant mechanism. The Mn<sub>3</sub>O<sub>4</sub>/Nano-AC composite upheld high performance after multiple cycles, highlighting its reusability. This integrated nanomaterial–reactor system offers a scalable, energy-efficient, and environmentally sustainable solution for advanced produced water treatment.</p>

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

Synthesis of Mn3O4/nano-activated carbon composite and its application for heavy metal removal in a digital baffle adsorption reactor

  • 期刊论文

  • 发表日期：

    2025年12月19日

查看全文
  • Ali Hassan,
  • Mahmoud Sharshoh,
  • Ahmed idan,
  • Amer Nawaf,
  • Raid khateeb,
  • Jasim Humadi

摘要

The rapid growth of crude oil production has led to an increase in produced water (PW) with heavy metal concentrations such as copper, lead, and other metals that pose significant ecological and public health challenges. In this work, a Mn3O4/Nano-Activated Carbon (Mn3O4/Nano-AC) new composite was prepared via a controlled hydrothermal-helped precipitation process, yielding Nano adsorbent with a high-surface-area activated carbon with enhanced redox and ion-exchange capabilities. The new composite was characterized using XRD, BET surface analysis, SEM, and EDX, for the successful addition of Manganese oxide within the porous activated carbon (AC) structure. The nano composite was applied in a newly engineered Digital Baffle Adsorption Reactor (DBAR) intended to enhance turbulence, adsorption time, and adsorption efficiency through precise digital flow control and baffle geometry modifications. Batch flow experiments established rapid uptake kinetics, achieving 93.3% and 99.7% removal of copper metal at 120 adsorption time, 9 pH, 300 RPM agitation speed, and 1 g amount of prepared adsorbent for activated carbon and activated carbon with metal oxide, respectively. Adsorption followed a pseudo-first-order kinetic model and fit well with the Langmuir isotherm, indicating monolayer phyisorption as the dominant mechanism. The Mn3O4/Nano-AC composite upheld high performance after multiple cycles, highlighting its reusability. This integrated nanomaterial–reactor system offers a scalable, energy-efficient, and environmentally sustainable solution for advanced produced water treatment.