Aeration is the backbone of biological wastewater treatment, directly influencing process efficiency, energy consumption, and overall plant performance. However, many wastewater treatment plants ...

The parent company of the Pebble Mine, which Susie Wiles recruited as a Ballard Partner client, saw its stock price jump after Trump signed an order to speed up mineral mining project approvals. In a ...

Biosolids, or sewage sludge, are the solid byproducts of the ... The liquid is moved from the sedimentation tanks to an aeration tank where air encourages the growth of microbes that further ...

The humus in earthworm castings can improve the water retention of the soil, its aeration, especially, this ingredient can keep the nutrients ... they provide plant-based compost instead of products ...