This is quite a popular idea but there's a lot of challenging economics that haven't been figured out yet. CisLunar Industries [1] for example wants to harvest

This is quite a popular idea but there's a lot of challenging economics that haven't been figured out yet. CisLunar Industries [1] for example wants to harvest and process metal from debris on orbit. Their initial application is to create metal fuel rods for thruster technology being developed by Neumann Space [2]. [1] https://www.cislunarindustries.com https://www.cislunarindustries.com [2] https://neumannspace.com https://neumannspace.com