👉 Semipneumatically, which is commonly known as semipermeable or semi-permeable membranes, refers to a type of membrane that allows water and gases but not both. The term is often used in the context of environmental science and engineering, particularly in the field of wastewater treatment and desalination processes. In these applications, semipneumatically connected membranes are utilized for purification by selectively allowing only water molecules or gases through while blocking other substances like solids, dissolved organic matter,
