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In recent years, there has been an exponential increase in the production and use of nanotextiles in the form of respirators and face masks due to the Covid-19 situation that has occurred worldwide. From 2023 onwards, the rate of use of this protective equipment is already decreasing again but respirators are still widely used in many countries as a preventive measure against the spread of respiratory diseases. One of the drawbacks of using respirators as respiratory protection was that they were not managed appro...

Today, more than in the past, water is considered a very valuable resource. Efforts to use it efficiently are growing. One method of using water efficiently is wastewater treatment. Well-treated water minimises negative impacts after discharge into a watercourse, i.e., within or adjacent to aquatic ecosystems, or can be reused, for example, in the form of drinking water. This study focuses on the possibility of treating food industry water using biochar as a sorption medium. Biochar from wood pulp (100%) was used ...

Working in stone quarrying and stone processing poses certain risks that must not be underestimated. The safety of workers must be paramount, where work-related injuries can occur, so the use of appropriate personal protective equipment is important, but the less visible risks, such as inhalation of granite stone dust, which can penetrate the respiratory tract, lungs and lung chambers, causing silicosis, chronic obstructive pulmonary disease, kidney disease or lung cancer, must not be underestimated. Chemically, g...