Family and School Relationship during COVID-19 Pandemic: A Systematic Review.

Education systems worldwide have been affected by a sudden interruption in classroom learning because the coronavirus pandemic forced both the closure of all schools in March 2020 and the beginning of distance learning from home, thus compelling families, schools, and students to work together in a more coordinated fashion. The present systematic review was carried out following PRISMA guidelines. The main objective was to present critical information on the relationship between the family and the school in the face of the imposed distance learning scenario caused by COVID-19. A total of 25 articles dealing with the relationships established during the pandemic of any of the three agents involved (family, students, and school) were analysed. The results showed that the relationships between the three groups involved must be improved to some extent to meet the needs that have arisen as a result of distance learning. In conclusion, the educational scenario during the pandemic has been one of the most significant challenges experienced in the recent history of education.

Economic evaluation of a combined photo-Fenton/MBR process using pesticides as model pollutant. Factors affecting costs.

The aim of this paper is to carry out an economic assessment on a solar photo-Fenton/MBR combined process to treat industrial ecotoxic wastewater. This study focuses on the impact of the contamination present in wastewater, the photochemical oxidation, the use of an MBR as biological process and the plant size on operating and amortization costs. As example of ecotoxic pollutant, a mixture of five commercial pesticides commonly used in the Mediterranean area has been used, ranging from 500 mg/L to 50mg/L, expressed as dissolved organic carbon concentration. The economic evaluation shows that (i) the increase in pollution load does not always involve an increase in photo-Fenton costs because they also depend on organic matter mineralization; (ii) the use of an MBR process permits lower photochemical oxidation requirements than other biological treatments, resulting in approximately 20% photo-Fenton cost reduction for highly polluted wastewater; (iii) when pollution load decreases, the contribution of reactant consumption to the photo-Fenton process costs increase with regard to amortization costs; (iv) 30% total cost reduction can be gained treating higher daily volumes, obtaining competitive costs that vary from 1.1-1.9 €/m(3), depending on the pollution load.