First, strong bactericidal capacity. When water enters the device fully contact with the oxygen, it volatile ammonia and nitrogen (Elements of urea) harmful gas. Then through mix he gas and water, enhanced the coagulation and filtration effect of pollutants in water. At the process of water treatment, it need two times of aeration in the water to increasing the dissolved […]

On-site investigation refers to a method of investigation conducted on the spot. Its main purpose is to obtain the actual situation on site and provide basic data and a basis for subsequent design and construction work. So, what exactly is the content of the on-site investigation? The content of the on-site survey includes observing and recording the topography, geomorphology, hydrology, […]