Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Ana N. Sandoval"'
Autor:
Ana N. Sandoval, Karla L. Mendoza, Ludwig N. Villanueva, Elmer Benites Alfaro, Herry Lloclla, Kriss M. Calla, Julia Lizet Torres Rivera, Segundo L. Estela
Publikováno v:
Chemical Engineering Transactions, Vol 105 (2023)
Wastewater is often a major problem for the environment due to its difficult treatment process and the damage it causes by contaminating the soil and water bodies where it is discharged. The objective was to remove metals in wastewater by applying mo
Externí odkaz:
https://doaj.org/article/9d6f955a8959413e80b3bf5efe0f48c4
Autor:
Ana N. Sandoval, Karla L. Mendoza, Ludwig N. Villanueva, Elmer Benites Alfaro, Herry Lloclla, Kriss M. Calla, Julia Lizet Torres Rivera, Segundo L. Estela
Publikováno v:
Chemical Engineering Transactions, Vol 105 (2023)
Remediation is the set of operations carried out to reduce the level of contaminants in the soil and/or subsoil. The objective of the study was to bioremediate contaminated agricultural soils using activated carbon from Cocos nucifera and mountain mi
Externí odkaz:
https://doaj.org/article/b891a02f3b654539bf4227672250ce4b
Autor:
Ana N. Sandoval, Oscar Rojas, Cesar D. Quesquen, Jaime W. Alvarado, Pierre Vidaurre, Telmo Zavaleta, Seleni Vislao, Victor H. Munoz
Publikováno v:
Chemical Engineering Transactions, Vol 101 (2023)
The present investigation was carried out to evaluate the antibacterial effect of Aloe vera and Croton lechleri resin in water for human consumption. The study method was quasi-experimental with pre-test and post-test. Aloe vera resin and Croton lech
Externí odkaz:
https://doaj.org/article/c2e7f882b9294d07a6e9be0e433c4cf2
Autor:
Ana N. Sandoval, Jersson M. Chavez, Milly Herrera, Cesar D. Quesquen, Jaime W. Alvarado, Oscar Rojas, Pierre Vidaurre, Telmo Zavaleta
Publikováno v:
Chemical Engineering Transactions, Vol 101 (2023)
The objective of the research was to apply compost based on municipal organic waste to recover degraded soils in the Peruvian Amazon. An area of 2500 m2 was considered, where five points were sampled and two calicata were obtained for each one. The d
Externí odkaz:
https://doaj.org/article/9e0cabd9bba04176bf72512a30faa755
Autor:
Luis F. Mendoza, Eusterio Acosta Suasnabar, Ana N. Sandoval, Carlos A. Castaneda-Olivera, Guido R. Suca-Apaza, Elmer Benites-Alfaro
Publikováno v:
Chemical Engineering Transactions, Vol 100 (2023)
The negative impacts of mining operations are generally intensified by the lack of preventive measures in the management of mining waste, one of them being the disposal of waste rock that generates drainage depending on its geology, mineralogical com
Externí odkaz:
https://doaj.org/article/3c6921dd86724fe9810e260a08df5dc7
Autor:
Juan R. Quispe Borda, Wendy N. Zuniga Lozano, Ana N. Sandoval, Sixto Mendoza Vilca, Auhuber Vasquez Aranda, Elmer Benites-Alfaro
Publikováno v:
Chemical Engineering Transactions, Vol 100 (2023)
The increase in the generation of organic waste and its mismanagement have a negative impact on the natural environment with the propagation of greenhouse gases, bad odors, leachate and other pollutants, so its use would bring a solution to the probl
Externí odkaz:
https://doaj.org/article/229cdeebb71a4c60887a45d9a50e1c6b
Publikováno v:
Chemical Engineering Transactions, Vol 96 (2022)
Lethality of hydroalcoholic extract from fruit plant leaves in the Peruvian jungle in Artemia salina was evaluated. The type of study was experimental with a control group (K2Cr2O7). The biological material was fruit leaves (Cocos nucifera, Mauritia
Externí odkaz:
https://doaj.org/article/806450ff005b4a5b8af138079932e347
Autor:
Ana N. Sandoval, Karla L. Mendoza, Herry Lloclla, Ludwig N. Villanueva, Winston F. Rios, Jose C. Rojas
Publikováno v:
Chemical Engineering Transactions, Vol 96 (2022)
The antibacterial potential of the hydroalcoholic extract of Mauritia flexuosa leaves was evaluated against gram-positive bacteria Staphylococcus aureus ATCC 25923, Staphylococcus epidermidis (ATCC 25524) and Bacillus subtilis ATCC 6633; Gram negativ
Externí odkaz:
https://doaj.org/article/2818ce81a9e846d2a603ab4902af6818
Autor:
Ana N. Sandoval, Leidy J. Sanchez, Yeravi M. Saavedra, Kris M. Calla, Rafael A. Alba, Herry Lloclla
Publikováno v:
Chemical Engineering Transactions, Vol 87 (2021)
The objective of this research was to assess the reduction of imidacloprid and tebuconazole in soil plantations of Oryza sativa applying strains of Trichoderma spp. Regarding the methodology, 3 treatments were used; strain 1 (TS1), 2 (T163+TS1) and 3
Externí odkaz:
https://doaj.org/article/e8dc7e435cd7426985ab22a8efd6de0c
Autor:
Ana N. Sandoval, Jhon Tavera, Fernando Vela, Kriss M. Calla, Rafael A. Alba, Herry Lloclla, Jhonny W. Valverde Flores
Publikováno v:
Chemical Engineering Transactions, Vol 85 (2021)
Air pollution in urban areas is a severe problem such as intense traffic by different types of vehicles, deforestation, gas emissions from factories, which turn the air into real smog clouds, directly affecting the health of people and negatively con
Externí odkaz:
https://doaj.org/article/b64edda0060d4cdd88d181b68368c8ab