Durpro, Raphael Bouchard-Tremblay What's a Biological Contaminant? Among the categorizations that we find, there are the physical, microbiological, inorganic and biological contaminants. These categories are not exhaustive since they can intersect, but they still all... Contaminant Jun 12, 2023
Durpro, Raphael Bouchard-Tremblay Iron and Water With such a large amount, iron ores are found almost everywhere in our daily activities. In their natural state, they are most often found in the form of magnetite (Fe3O4), hematite (Fe2O3) and sideri... Contaminant Jun 12, 2023
Durpro, Raphael Bouchard-Tremblay Water and Genotoxic Compounds What is a Genotoxic Agent Genotoxic agents are physical, chemical or biological compounds that are characterized by the ability to alter the genetics of a living organism, to break the links between t... Contaminant Jun 5, 2023
Durpro, Raphael Bouchard-Tremblay Pathogens and Water What is a pathogen Pathogens are defined as organisms that can cause disease in their host. The symptoms and severity of disease that can be caused are called virulence. The more virulent a pathogen i... Contaminant Jun 5, 2023
Durpro, Raphael Bouchard-Tremblay What are Hydrocarbons Typically, hydrocarbon compounds are the essential energy storage molecules in all major fossil fuels such as coal, oil, natural gas and biofuels. There are different types of hydrocarbon molecules ba... Contaminant Jun 5, 2023
Durpro, Raphael Bouchard-Tremblay Definitions, Risks and Solution Against Ammonia and Ammonium Ammonia and ammonium are cationic chemical compounds that are formed from nitrogen and hydrogen. They are widespread contaminants in water as their industrial use is very common, especially in the cre... Contaminant Jun 5, 2023
Durpro, Raphael Bouchard-Tremblay How does activated carbon adsorb contaminants? The London dispersal force is a form of Van Der Waals force. Van Der Waals forces are relatively weak electrical forces that allow neutral molecules to attract each other, whether they are in gaseous,... Contaminant Jun 5, 2023
Durpro, Raphael Bouchard-Tremblay What's Iron Ochre? Where does it come from / what causes it? Iron ochre is found in soils with high concentrations of iron. There are two processes that can result in the creation of iron ochre. First, iron ochre can be... Contaminant Jun 5, 2023
Durpro, Raphael Bouchard-Tremblay Physical, Chemical, or Physico-chemical? Physical treatment The physical treatment of water consists of the use of filtration techniques that involve the use of filtering media such as sand, membranes, screens or any other type of physical b... Contaminant Jun 2, 2023
Durpro, Raphael Bouchard-Tremblay Fluoride in Water: The Pros and Cons It has been widely used for decades to prevent tooth decay and is commonly added to public water supplies in many countries. However, the addition of fluoride to drinking water has also generated cont... Contaminant May 30, 2023
Durpro, Raphael Bouchard-Tremblay Calcium salts and solubility One important property of calcium salts is their solubility in water. Solubility refers to the ability of a substance to dissolve or be dispersed in a liquid (usually water). Calcium salts vary in the... Contaminant May 29, 2023
Durpro, Raphael Bouchard-Tremblay Arsenic and Water Most often in the form of a gray solid, arsenic is a member of the pnictogen family as it has properties that vary between those of metals and metalloids. Although once popular as a poison, arsenic is... Contaminant May 3, 2023
