Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Helen O. Chukwuemeka-Okorie"'
Publikováno v:
Applied Water Science, Vol 11, Iss 2, Pp 1-7 (2021)
Abstract Gongronema latifolium was used as a low-cost green inhibitor for mild steel by applying the weight loss method at 303–323 K. There was a decrease in percentage inhibition with temperature increase and a rise in inhibition efficiency with a
Externí odkaz:
https://doaj.org/article/48b0b1a37c124e579ea49e41ac4290bc
Autor:
Helen O. Chukwuemeka-Okorie, Francis K. Ekuma, Kovo G. Akpomie, Jude C. Nnaji, Amarachi G. Okereafor
Publikováno v:
Applied Water Science, Vol 11, Iss 2, Pp 1-8 (2021)
Abstract The toxic effects of anionic dyes such as tartrazine and sunset yellow on humans and the aquatic environment are of serious concern. The need for the removal of these dyes from wastewaters led to the use of adsorption techniques as a cheap a
Externí odkaz:
https://doaj.org/article/b8af943c02ab4f4199ff909230606543
Publikováno v:
Frontiers in Chemistry, Vol 6 (2018)
This study investigated a new area of improving the adsorption capacity of clay using corn cob as an alternative means of clay modification to the more expensive and complicated chemical treatment techniques. Kaolinite Clay (KC), Calcined corncob-kao
Externí odkaz:
https://doaj.org/article/05088cec8113497894321c2f71982e1f
Autor:
Helen O. Chukwuemeka-Okorie, Victor C. Eze, Hillary O. Abugu, Patrice A. C. Okoye, Chiedozie C. Aralu
Publikováno v:
Health and Environment. 4:186-197
Borehole water has been used as a vital source of water for many communities. The pollution of these boreholes by potentially toxic elements using unlined solid waste dumpsites has posed a significant risk to the populace living around the dumpsite.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62a1957bdc68a50d2dd5e6e8421d126c
https://doi.org/10.25082/he.2023.01.001
https://doi.org/10.25082/he.2023.01.001
Autor:
Siyaka Mj Zubairu, Segun A. Ogundare, James Friday Amaku, Comfort M. Ngwu, Boniface I. Ugwu, Kovo G. Akpomie, Stephen A. Odoemelam, Jude C. Nnaji, Jeanet Conradie, Helen O. Chukwuemeka-Okorie
Publikováno v:
Biomass Conversion and Biorefinery. 13:4865-4877
In this research, a novel green tillite-based adsorbent (CMT) was synthesized by modifying the surface of natural/pristine tillite (PT) with Chrysophyllum albidum stem bark extract for the efficient removal of Cr(VI) from water. The physicochemical c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4e9f10bfea010d7236bdbda479009aa
https://doi.org/10.1007/s13399-021-01489-8
https://doi.org/10.1007/s13399-021-01489-8
Autor:
Olufemi A. Odewole, Francis K. Ojo, Ogechi L. Alum, Kovo G. Akpomie, Anthony C. Ofomatah, Helen O. Chukwuemeka-Okorie, Julius U. Ani, Sunday C. Agbo, Emmanuel E. Omeje
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 1178:012025
The utility of Nru clay for industrial application, which was taken from the Nsukka local government area in Enugu State, Nigeria, is assessed in this study for its physical and chemical properties. The clay was investigated chemically which showed S
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b78135754d42958b3b72f25874cc1a9
https://doi.org/10.1088/1755-1315/1178/1/012025
https://doi.org/10.1088/1755-1315/1178/1/012025
Autor:
Kovo G Akpomie, Anthony C Ofomatah, Helen O Chukwuemeka-Okorie, Julius U Ani, Sunday C Agbo, Olufemi A Odewole, Francis K Ojo, Ogechi L. Alum, Jeanet Conradie
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 1178:012020
In this work, the adsorption of ciprofloxacin onto yam peel biosorbent was studied by batch method. The equilibrium isotherm analysis of the adsorption process was evaluated to provide insight into the removal mechanism. A decrease in the percentage
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c78aed7762a7524c6665f7c7aa65adaa
https://doi.org/10.1088/1755-1315/1178/1/012020
https://doi.org/10.1088/1755-1315/1178/1/012020
Autor:
Ogechi L. Alum, Kovo G. Akpomie, Anthony C. Ofomatah, Helen O. Chukwuemeka-Okorie, Julius U. Ani, Sunday C. Agbo, Olufemi A. Odewole, Francis K. Ojo, Hillary O. Abugu
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 1178:012024
The physico-chemical and microbial examination of Ajali River in Ezeagu Local Government Area (LGA) of Enugu State, South-eastern Nigeria, were carried out to assess the characteristics of the water for potability. Water samples were collected from t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ba7a7ac425a19d847854c7d31c4395e
https://doi.org/10.1088/1755-1315/1178/1/012024
https://doi.org/10.1088/1755-1315/1178/1/012024
Autor:
Sunday C Agbo, Olufemi A Odewole, Francis K Ojo, Ogechi L Alum, Kovo G Akpomie, Anthony C Ofomatah, Helen O Chukwuemeka-Okorie, Julius U Ani, Caius C Onu
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 1178:012019
The energy demand is on the global increase as the world economy is increasing steadily. Hence, the need to develop energy-saving technology with local raw materials and abundant waste materials becomes paramount. The mixtures of Enugu Iva-pottery cl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d7b7ed0693bd21a89edc17e873c281b8
https://doi.org/10.1088/1755-1315/1178/1/012019
https://doi.org/10.1088/1755-1315/1178/1/012019
Autor:
Francis K. Ojo, Ogechi L. Alum, Kovo G. Akpomie, Anthony C. Ofomatah, Helen O. Chukwuemeka-Okorie, Julius U. Ani, Sunday C. Agbo, Olufemi A. Odewole, Babatunde T. Ogunyemi
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 1178:012010
The efficiency of various benzimidazole derivatives as mild steel corrosion inhibitors in HCl and H2SO4 medium was evaluated using quantum chemical methods. The AM1 semi-empirical method and Density Functional Theory (DFT) at the B3LYP/6-31G* level w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f90ed85c74a28b268c0932a96753eef5
https://doi.org/10.1088/1755-1315/1178/1/012010
https://doi.org/10.1088/1755-1315/1178/1/012010