Abstract
This work focuses mainly on environmental concern and protection through providing beneficial use of waste biomass from water hyacinth to produce economical nano-magnetic adsorbent material-efficient for facile oil spill separation via an external magnetic field. The water hyacinth roots showed higher oil spills adsorption affinity of 2.2 g/g compared with 1.2 g/g for shoots. Nano-activated carbon was successfully extracted from the roots of water hyacinth after alkaline activation and followed by zinc chloride treatment before its carbonization. Nano-magnetite was induced into the activated carbonized nanomaterials to synthesized nano-magnetic activated carbon hybrid material (NMAC). X-ray diffraction elucidated the crystalline nature of both extracted activated carbon from water hyacinth and its magnetic hybrid material. Scanning electron microscopic micrographs implied the nano-size of both prepared activated carbon and the magnetite hybrid materials. The magnetic properties of the fabricated nano-magnetic activated carbon were evaluated using the vibrating sample magnetometer. The magnetic nano-hybrid material recorded a maximum oil adsorption affinity of 30.2 g oil/g. The optimum oil spill of 80% was established after 60 min in the presence of 1 g/L of magnetic nano-hybrid. The magnetic nano-hybrid material that absorbs oil spills was separated from the treatment media easily using an external magnetic field.
Highlights
This work focuses mainly on environmental concern and protection through providing beneficial use of waste biomass from water hyacinth to produce economical nano-magnetic adsorbent material-efficient for facile oil spill separation via an external magnetic field
This study focused on the cleanup of oil spills from contaminated wastewater using an innovative magnetic sorbent material driven from the water hyacinth
The chemical and thermal treatment conditions of water hyacinth implied that the root segment of the water hyacinth plant that considered the submerged part of the plant has better oil adsorption behavior compared with the shoots segment
Summary
This work focuses mainly on environmental concern and protection through providing beneficial use of waste biomass from water hyacinth to produce economical nano-magnetic adsorbent material-efficient for facile oil spill separation via an external magnetic field. Despite the organic oil sorbent materials characterized by most of these properties, they are non-biodegradable and non-environmentally friend They are substituted by natural sorbents such as rice straw, cotton, peat moss, cotton grass, kapok and water hyacinth have been examined as ecofriendly sorbents for spilled oil. Water hyacinths (Eichhorniacrassipes) are classified as agricultural waste plant due to its rapid growth rate with huge quantities that have a negative impact on the aquatic life This plant has a high absorption www.nature.com/scientificreports affinity for the decontamination of the soluble toxic matter from polluted water. Many researchers considered it as natural biosorbent materials, especially it attains many other amazing properties such as its low cost, availability and reusability[4]
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