Open AccessEvaluating the properties of organic and mineral sludge as a raw material for the production of sorption material
Author(s) -
Zh.A. Sapronova,
Yu. L. Makridina,
И. В. Старостина,
М. Н. Спирин,
Е. В. Фомина
Publication year - 2021
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/624/1/012211
Subject(s) - raw material , sorption , chemistry , sewage sludge , calcium carbonate , bagasse , mineral , calcium oxide , oil shale , pulp and paper industry , waste management , environmental chemistry , adsorption , sewage , organic chemistry , engineering
The comparative investigations of the physical and chemical properties of two large-tonnage organic and mineral wastes of agricultural raw materials processing - carbonate sediment (CS) formed during the processing of sugar beets and diatomaceous sludge (DS), which is a waste product of sunflower oil production were carried out in work. It was found that in both materials during burning, carbonization of organic substances occurs on the surface of the mineral core; heat treatment gives them hydrophobic properties, the pH of the aqueous extract has an alkaline reaction (for DS pH = 10.8, for CS pH = 11.5). The central part of the mineral component of CS is calcium carbonate, and DS is silicon oxide, CS has a more developed specific surface area, which is ensured by the presence of small globular structures. The oil capacity of the materials after heat treatment is 3.5 g/g for DS and 1.13 g/g for CS; dye capacity “methylene blue” for heat-treated CS is 77.9 mg/g, it is 9.5 mg/g for DS. Further research is needed to develop a method for sharing these materials for the effective treatment of multicomponent sewage.