Glass is made from materials like sand, soda ash, limestone, and “cullet” (furnace-ready recycled glass). Recycled glass is always included in new glass products. According to the Glass ...

1 Glass-making involves four main steps: preparation of raw materials, melting in a furnace, forming/shaping ... and preventing the release of 3.5 pounds of air pollutants per ton of recycled glass. 8 ...

A project from Penn, Bennett Compost and Remark Glass is creating a solution with a new resource: sand made from recycled glass. In the fall, the partners created an engineered soil mixture for ...

while generating furnace-ready cullet for producing glass packaging with increased recycled content,” said Randy Burns, Chief Sustainability and Corporate Affairs Officer for O-I. Through the ...

For example, manufacturing glass is energy intensive due to the high temperatures required to melt the raw materials such as sand, soda ash, and limestone, and the fact that glass furnaces run ...

O-I has the ambitious goal to increase the recycled content of its packaging to a global average of 50 percent. Glass is made with four basic ingredients, limestone, soda ash, silica sand and ...