Products Wastewater Grit Removal PISTAÂ® Grit Chamber. High removal efficiencies originate from the PISTAÂ® Grit Chamberâs unparalleled hydraulic design, including its flat chamber floor, patented and low-energy axial-flow propeller.ISTAÂ® Grit Chamber. High removal efficiencies originate from the PISTA Â® Grit Chamberâs unparalleled hydraulic design, including its flat chamber floor, patented and low-energy axial-flow propeller.
The Barberton Greenstone Belt in South Africa is estimated at 3.4-3.6 billion years old, and generally regarded as the world's oldest mountains. Their age is indisputedly older than anything in North America (the Appalachians / Blach Hills / Porcupines / Smokies etc) and only Western Australia lays a possible claim.
The Magaliesberg Mountain range in South Africa is the second oldest mountain range in the world, being 2500 million years old & estimated to be 100 times older than Mount Eve â¦ rest. 4 people found this useful.uch research has been done in the St. Francois mountains of South East Missouri. They have been considered the oldest range by many geologist. Volcanic episodes created many unique, beautiful, and odd formations throughout this mountain range which is located within the Ozark Plateau.