Zobrazeno 1 - 10
of 74
pro vyhledávání: '"Girma Gonfa"'
Publikováno v:
Results in Engineering, Vol 22, Iss , Pp 102261- (2024)
Water treatment technology is advancing to extend the supply of pure drinking water to low-income societies. The application of biomass-based silver nanoparticles for the purification of water is among the outstanding innovations in this respect. Sil
Externí odkaz:
https://doaj.org/article/279c15fe2fb6447c8d1dfc608cab5856
Publikováno v:
Next Materials, Vol 3, Iss , Pp 100146- (2024)
Teff straw ash was first converted into sodium silicate solution, then processed via sol-gel, producing low-density silica aerogel (modified silica gel). A one-step modification method was applied to produce modified silica gel from teff straw ash. T
Externí odkaz:
https://doaj.org/article/c395d759ac14424babc193f79d83dc69
Publikováno v:
Heliyon, Vol 10, Iss 8, Pp e29636- (2024)
Pectin was extracted from coffee pulp using 0.1 M H2SO4. The Box Behnken Design based Response surface methodology was applied to optimize pectin yield. The impact of extraction time (45–75 min), temperature (80–100 °C), solid to liquid ratio (S
Externí odkaz:
https://doaj.org/article/b449b976724d4d8d847381e18c598f25
Autor:
Belete Tessema, Girma Gonfa, Sintayehu Mekuria Hailegiorgis, Getachew Adam Workneh, Tigist Getachew Tadesse
Publikováno v:
Results in Chemistry, Vol 7, Iss , Pp 101471- (2024)
Scientists are looking for new antibacterial agents to disinfect point-of-use water sources due to the dearth of clean drinking water in developing nations and disaster areas. Because of the growth of antibiotic and disinfectant resistance as well as
Externí odkaz:
https://doaj.org/article/1b5f1ea2d2e14011bd2f7149aa3af1c9
Autor:
Wondimu Musie, Girma Gonfa
Publikováno v:
Water Science and Technology, Vol 87, Iss 4, Pp 998-1008 (2023)
Bentonite is one of the clay materials that have important characteristics and is applicable to construction and for different industrial uses. Treatment of this material to enhance some of its physicochemical properties to suit the desired applicabi
Externí odkaz:
https://doaj.org/article/2557c7c698cc4af1bc9a569f4ab591fa
Autor:
Wondimu Musie, Girma Gonfa
Publikováno v:
Heliyon, Vol 9, Iss 8, Pp e18685- (2023)
Water is one of the natural resource due balance if our planet and the life on it have to sustain and economic development to be expected in the future. The increase in population of the world and level of wealth of humans is expected to withdraw mor
Externí odkaz:
https://doaj.org/article/d690d2eb7c08458694cf4333fdc5a9c9
Publikováno v:
Heliyon, Vol 9, Iss 6, Pp e17422- (2023)
Utilization of biomass is important both for economic and environmental projection purposes. To use biomass for industrial applications as well as to reduce its pollution load on environment, it is important to characterize and determine the composit
Externí odkaz:
https://doaj.org/article/9b8620bd5abb46f8ae06a35d4b84db29
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 7, Iss , Pp 100320- (2023)
Disinfection is key process in municipal water supply process. In this work, silver nanoparticles (AgNPs) were impregnated on activated carbon (AC) prepared from castor seed hull and used for disinfection of water. The AC and AgNPs-impregnated AC (AC
Externí odkaz:
https://doaj.org/article/345c2af539c843db85a29bb5f8766b69
Autor:
Gemechis Chemiru, Girma Gonfa
Publikováno v:
Carbohydrate Polymer Technologies and Applications, Vol 5, Iss , Pp 100300- (2023)
In this study, yam starch was extracted from yam tubers using water and used for preparation of glycerol plasticized and titanium dioxide (TiO2) nanofiller reinforced films. The effects of TiO2 nanofiller concentration on the properties of the film w
Externí odkaz:
https://doaj.org/article/396fa342c91f48e9a716662813c993cb
Autor:
Dawit Mamiru, Girma Gonfa
Publikováno v:
Heliyon, Vol 9, Iss 2, Pp e13525- (2023)
In this work, watermelon rind was used for extraction of pectin with acetic acid solution. The effects of pH, temperature and extraction time on the pectin yield were investigated. Response surface based on Box-Behnken model was employed to optimize
Externí odkaz:
https://doaj.org/article/6a91e6c6654847349e4c37aa131c2e95