In the face of the global crisis caused by the invisible pollution of microplastics, researchers from the Paulista State University have discovered a promising alternative: the seeds of the Moringa oleifera plant.
This natural resource, accessible and biodegradable, positions itself as a key tool to improve water quality without resorting to complex industrial processes.
How does this plant clean the water?
The method uses a process of natural coagulation. Since microplastics have a negative charge and repel each other, the moringa extract acts by neutralizing this charge. This allows the particles to cluster into small masses, facilitating their retention through conventional filters.
Results compared to traditional methods
Scientists compared the effectiveness of moringa with aluminum sulfate, the most common industrial coagulant. The results were compelling:
-
Comparable effectiveness: Both methods achieve similar levels of removal.
-
Superiority in specific conditions: In waters with higher levels of alkalinity, the natural extract showed even better performance than chemical compounds.
-
Sustainability: Being a biodegradable product, it does not generate persistent waste or negative environmental impact.
A positive impact for decentralized communities
The greatest potential of this method lies in its simplicity and low cost. As it is a plant that grows easily in tropical areas, its use is ideal for rural communities or regions with limited resources.
This discovery suggests a paradigm shift in water treatment: less dependence on the chemical industry and a greater reliance on available natural biotechnology, demonstrating that the solution to major environmental problems can often be found in the resources that nature itself provides us.
