Emission, Fate and Effects of Soluble Silicates (Waterglass) in the Aquatic Environment

Soluble silicates, commercially known as waterglass, are among the largest volume synthetic chemicals in the world. Silicon from waterglass is rapidly transformed to the biologically active orthosilicic acid (referred to as dissolved silicate). This paper aims to assess the impact of waterglass on t...

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Bibliographic Details
Published in:Environmental science & technology 2004-01, Vol.38 (2), p.515-521
Main Authors: van Dokkum, Henno P, Hulskotte, Jan H. J, Kramer, Kees J. M, Wilmot, Joël
Format: Article
Language:English
Subjects:
Animal, plant and microbial ecology
Applied ecology
Applied sciences
Aquatic ecosystems
Bacillariophyceae
Biological and medical sciences
Biological and physicochemical phenomena
Detergents - analysis
Detergents - chemistry
Diatoms - growth & development
Earth sciences
Earth, ocean, space
Ecosystem
Ecotoxicology, biological effects of pollution
Emissions
Engineering and environment geology. Geothermics
Eukaryota - growth & development
Europe
Exact sciences and technology
Freshwater
Fundamental and applied biological sciences. Psychology
General aspects
Natural water pollution
Pollution
Pollution, environment geology
Population Dynamics
Silica
Silicates - analysis
Silicates - chemistry
Solubility
Waste Disposal, Fluid
Water Pollutants - analysis
Water treatment and pollution
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Summary:Soluble silicates, commercially known as waterglass, are among the largest volume synthetic chemicals in the world. Silicon from waterglass is rapidly transformed to the biologically active orthosilicic acid (referred to as dissolved silicate). This paper aims to assess the impact of waterglass on the aquatic environment in Western Europe. The emission to surface waters from the four most relevant application areas, household detergents, pulp and paper production, water and wastewater treatment, and soil stabilization, is estimated to be ca. 88−121 kton of SiO2 per year. This is a small fraction (
ISSN:0013-936X
1520-5851
DOI:10.1021/es0264697