
Siloxane adsorption by porous silica synthesized from ...
01/04/2021 · 1. Introduction. Wastewater Treatment Plants (WWTP) are designed to process a variety of undesirable solid wastes that include suspended organic and inorganic matter, such as sand, paper, wood, cork, hair, fiber, fatty oils, etc. [].The solid fraction, the raw WWTP sand, contains a number of contaminants (prior to cleaning, drying or grading) that makes it .