wastewater treatment tagged posts

Scientists have developed a wastewater treatment process that uses a common agricultural byproduct to effectively remove pollutants and environmental hormones, which are known to be endocrine disruptors.

The performance of the catalyst that is currently being used to process sewage and wastewater drops significantly with time. Because high efficiency is difficult to achieve given the conditions, the biggest disadvantage of the existing process is the high cost involved...

A bubble-wrapped, sponge-like device that soaks up natural sunlight and heats water to boiling temperatures, generating steam through its pores. Credit: George Ni at MIT

The solar thermal energy conversion system can easily generate steam from sunlight. It can help make technologies that rely on steam, like seawater desalination, wastewater treatment, residential water heating, medical tool sterilization and power generation, more efficient and affordable. The new device floats on water, converting 20% of incoming solar energy into steam at 100 degrees Celsius without expensive optical concentration devices and is made of cheap, commercially available materials, including bubble wrap and a polystyrene (plastic) foam.

“The system we have developed enables us to generate steam with solar ene...