Yes, you can use recycled aluminum in your project instead of new raw materials. Recycled aluminum is not only more environmentally friendly but also often more cost-effective. It requires significantly less energy to produce compared to new aluminum, reducing carbon emissions. Additionally, using recycled aluminum can help conserve natural resources and reduce waste in landfills. However, it's important to consider the quality and purity of the recycled material to ensure it meets the specifications required for your project.