Capacidad de adsorción de azolla sp en aguas contaminadas con cadmio y sembradas con semillas de arroz

Abstract

Currently, heavy metal contamination in soil and water tends to be one of the main problems due to various anthropogenic activities that affect the health of the population, the agricultural sectors and the economy. Since they fail to degrade but manage to leach. One of the heavy metals considered to be the most toxic to humans and the ecosystem is cadmium, which is capable of leaching through soils and water, becoming adsorbed by plants, crops and animals and consequently affecting health and organisms through the ingestion of food and the consumption of contaminated water. There are several processes for the removal of heavy metals, among them are ion exchange, flotation, adsorption, membrane filtration, phytoremediation, etc. One of the most environmentally friendly technologies is called phytoremediation, which consists of removing the metal using aquatic species, making it an environmentally friendly, economical and sustainable process. Azolla is an aquatic phytoremediation species that is easy to develop, grows in warm environments, has multiple uses such as biofuel production, agriculture and food, and is able to tolerate high stress concentrations.