Durpro, Raphael Bouchard-Tremblay Scaling and the Presence of Limescale More precisely, the precipitation of calcium ions associated with the presence of hydrogen carbonates in water and under the effect of heat causes the formation of calcium carbonate deposits. Calcium ... Contaminant Jun 12, 2023
Durpro, Raphael Bouchard-Tremblay What is a Tannin? Also known as tannic acid, this compound is used by plants as a repellent to herbivores. In industrial environments, tannins are in the form of beige powder and are generally used in the textile indus... Contaminant Jun 12, 2023
Durpro, Raphael Bouchard-Tremblay What is Biofilm and what do we do with it? In general, biofilms need a biotic or abiotic surface to form. This is why it can be found in many places, such as inside the piping of a water supply. Biofilm allows bacteria to survive in normally h... Contaminant Jun 12, 2023
Durpro, Raphael Bouchard-Tremblay What are BOD and COD? Biological oxygen demand This measure identifies the amount of oxygen required to oxidize organic and inorganic matter in an aqueous sample. It is measured by a test known as BOD5. To perform this tes... Contaminant Jun 12, 2023
Durpro, Raphael Bouchard-Tremblay Silicon or Silica: what is it and what is its Relation with Water Before going any further, it is important to specify that silicon, with the symbol Si, is not present in its pure form in nature. It is most often found in its mineral form: silica & silicates. In the... Contaminant Jun 12, 2023
Durpro, Raphael Bouchard-Tremblay What is Suspended Solids (SS) They are small solids that are found suspended in a body of water. It is generally recognized that particles larger than 2 microns that remain suspended in the water is suspended solids. There are thr... Contaminant Jun 12, 2023
Durpro, Raphael Bouchard-Tremblay Water and its Minerals Minerals that can be found in water are usually infused into the water through soil erosion. Since water is a solvent, the passage of water between or over the minerals in question degrades the minera... Contaminant Jun 12, 2023
Durpro, Raphael Bouchard-Tremblay What are Total Dissolved Solids (TDS)? These contaminants include total dissolved solids. They are organic and inorganic contaminants that may be found in water naturally or by human activities. Generally speaking, dissolved materials are ... Contaminant Jun 12, 2023
Durpro, Raphael Bouchard-Tremblay Heavy Metals and Water These heavy metals are varied and come from many places. Their proliferation can be caused by human activities or naturally. Obviously, like many other types of pollution, human activities are the sou... Contaminant Jun 12, 2023
Durpro, Raphael Bouchard-Tremblay What are the Differences Between a Bacteria, a Virus and a Protozoa? In fact, whether you think of bacteria, virus or protozoa, they can all be part of the large germ family. For your information, a germ is characterized as a very small organism that can cause disease ... Contaminant Jun 12, 2023
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
