Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Jesús Beltrán de Heredia"'
Autor:
Jesús Beltrán de Heredia Alonso, Joaquín Torregrosa Anton, Joaquín R. Domínguez Vargas, Juan García Rodríguez
Publikováno v:
Grasas y Aceites, Vol 52, Iss 3-4, Pp 184-191 (2001)
The purification of black olive washed waters has been studied by an aerobic biological treatment, an ozonation process and by the combination of both sequential processes: ozone-biological and biological-ozone. Biodegradation experiments have been c
Externí odkaz:
https://doaj.org/article/d319d95279c34cecb1774243636443d5
Publikováno v:
Grasas y Aceites, Vol 52, Iss 1, Pp 17-25 (2001)
Black olive wastewaters degradation by ozone has been studied. Organic matter removal was followed by means of global parameters like chemical oxygen demand, aromaticity and polyphenolic compounds. The influence of modified operating variables (tempe
Externí odkaz:
https://doaj.org/article/a393247270d1414fb91eb0e2cfb99c3b
Autor:
Jesús Beltrán de Heredia Alonso, Joaquín Torregrosa Antón, Juan García Rodríguez, Joaquín R. Domínguez Vargas
Publikováno v:
Grasas y Aceites, Vol 51, Iss 5, Pp 301-306 (2000)
In the present work, the ozonation of olive mill wastewater has been studied. The evolution process was followed by measuring the chemical oxygen demand, the aromaticity and the contents of phenolic compounds. The aromaticity conversion ranged betwee
Externí odkaz:
https://doaj.org/article/98f4803aac34401b8192bec13c44c9f5
Autor:
Jesús Beltrán de Heredia Alonso, Joaquín Torregrosa Antón, Juan García Rodríguez, María del Pilar Ramos Viseas, Joaquín R. Domínguez Vargas
Publikováno v:
Grasas y Aceites, Vol 51, Iss 5, Pp 332-339 (2000)
In the present work, the degradation of olive mill wastewaters previously treated by an ozonation stage has been studied by an aerobic biological oxidation. The substrate evolution (based on chemical oxygen demand), biomass (measured as volatile susp
Externí odkaz:
https://doaj.org/article/f08678e3c0ea42dcbef86944ac05f08a
Autor:
Juan García, Jesús Beltrán de Heredia
Publikováno v:
Industrial & Engineering Chemistry Research. 44:8750-8755
The purification of the olive mill wastewaters (OMW) is investigated by the combination of an anaerobic digestion, followed by an ozonation treatment. Continuous anaerobic digestion (CAD) was performed in a laboratory-scale bioreactor at constant hyd
Publikováno v:
Industrial & Engineering Chemistry Research. 44:6539-6548
This is a two-part work on the chemistry of iron(III) as coagulant in the treatment of cork processing wastewater. The main aim of the first part was to determine the removal of organic matter as measured by reductions in chemical oxygen demand (COD)
Publikováno v:
Journal of Chemical Technology & Biotechnology. 79:1065-1072
The chemical treatment of cork-processing wastewater by ozonation, alone and in combination with hydrogen peroxide and UV radiation was investigated. A reduction of the chemical oxygen demand (COD) ranging from 42% to 76% was obtained during ozonatio
Publikováno v:
Journal of Chemical Technology & Biotechnology. 79:407-412
This work evaluates Fenton oxidation for the removal of organic matter (COD) from cork-processing wastewater. The experimental variables studied were the dosages of iron salts and hydrogen peroxide. The COD removal ranged from 17% to 79%, depending o
Autor:
Jesús Beltrán de Heredia, Eduardo M. Cuerda-Correa, Francisco J. Olivares-Marín, Joaquín R. Domínguez-Vargas
Publikováno v:
Journal of hazardous materials. 177(1-3)
The adsorption of two non-steroidal anti-inflammatory drugs (NSAIDs), namely naproxen and ketoprofen, has been studied. Low-cost carbonaceous materials such as carbon blacks have been used as the adsorbents. The influence of temperature (20-60 degree
Autor:
Joaquín R. Domínguez-Vargas, Jesús Beltrán de Heredia, Juan A. Navarro-Rodríguez, Eduardo M. Cuerda-Correa
Publikováno v:
Journal of hazardous materials. 169(1-3)
The adsorption process of chlorophenols (CPs) by low-cost adsorbents such as carbon blacks has been studied. The influence of different parameters such as temperature, pH, ionic strength and textural properties of the adsorbents on the adsorption pro