cement

Billionaire Gautam Adani is betting that India is on the cusp of a multiyear boom in housing and infrastructure construction, striking an up-to-$10.5 billion deal that will turn his conglomerate into the country’s second-largest cement producer. The businessman’s Adani Group 512599 2.53% plans to buy control of two Indian-listed cement companies from Switzerland-based Holcim Ltd.…

The production of traditional Portland cement is a major source of greenhouse gas emissions, as the ingredients have to be heated to very high temperatures. Such is not the case with a new biocement, however, which also incorporates waste materials.Developed at Singapore's Nanyang Technological University, the biocement is made of two main substances – industrial carbide sludge, which is a byproduct from the production of acetylene gas, and urea, which is derived from the urine of mammals such as humans, cows or pigs.The…