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<p>Water reuse is considered as a central tool to reduce the pressure on the consumption of groundwater and desalination systems. Successful water reuse requires an appropriate low-cost advanced treatment. Urban wastewater contains huge amounts of antibiotics and drugs that may resist the centralized water treatment. This work aims to study the removal of L-tyrosine from water using combined aluminum sulfate coagulation and adsorption via synthesized activated carbon obtained from agro-wastes. Two biomass agro-waste precursors were used to prepare activated carbon including bean peels (BPAC) and pea peels (PPAC). The removal of L-tyrosine was studied comparatively using different systems, single and combined. The effect of various operating factors on the removal performance was investigated. Shortly, the study shows that the combination of adsorption and coagulation provides a synergistic effect to effectively remove L-tyrosine from water. The adsorption tests showed that the adsorption removal rate of L-tyrosine was found to be 89.3, 46.4 and 62% for CAC, BPAC and PPAC, respectively. This investigation addressed two main objectives, including the valorization of agro-wastes into useful products for water treatment, which fits directly with the aspects of circular economy, and the development of synergistic and low-cost technology for proper removal of toxic organic pollutants from water.</p>

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Synergistic fast removal of L-tyrosine from water using coagulation combined with adsorption via agro-waste based activated carbon

  • 期刊论文

  • 发表日期：

    2025年12月22日

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  • Abdelali Ouchene,
  • Adel Aitbara,
  • Nabila Zouaoui,
  • Hinda Khelili,
  • Messaoud Guellal,
  • Ridha Djellabi

摘要

Water reuse is considered as a central tool to reduce the pressure on the consumption of groundwater and desalination systems. Successful water reuse requires an appropriate low-cost advanced treatment. Urban wastewater contains huge amounts of antibiotics and drugs that may resist the centralized water treatment. This work aims to study the removal of L-tyrosine from water using combined aluminum sulfate coagulation and adsorption via synthesized activated carbon obtained from agro-wastes. Two biomass agro-waste precursors were used to prepare activated carbon including bean peels (BPAC) and pea peels (PPAC). The removal of L-tyrosine was studied comparatively using different systems, single and combined. The effect of various operating factors on the removal performance was investigated. Shortly, the study shows that the combination of adsorption and coagulation provides a synergistic effect to effectively remove L-tyrosine from water. The adsorption tests showed that the adsorption removal rate of L-tyrosine was found to be 89.3, 46.4 and 62% for CAC, BPAC and PPAC, respectively. This investigation addressed two main objectives, including the valorization of agro-wastes into useful products for water treatment, which fits directly with the aspects of circular economy, and the development of synergistic and low-cost technology for proper removal of toxic organic pollutants from water.