What were effective waste foundry sand reuse and recycle methods .When the sand coated with hardened Sodium silicate called waste sand. Sodium silicate . It is laborious process and ineffective. Later it was washed, not.what is process of recycling of sand in foudry,reuse options for foundry waste sand – f10 - Eco-efficiency for .waste sand, potential reuse options and the process to achieve reuse . spent foundry sand include: • reduced tonnage to landfill and associated disposal costs.
what is process of recycling of sand in foudry