Search Results - "Ketcha, Joseph Mbadcam"

Non-linear modelling of the adsorption of Indigo Carmine dye from wastewater onto characterized activated carbon/volcanic ash composite by Agbor Tabi, Godwin, Ngouateu Rene Blaise, Lekene, Daouda, Kouotou, Naphtali Odogu, Ankoro, Aime Victoire, Abega, Nsami Julius, Ndi, Joseph Mbadcam, Ketcha

“…Over the past couple of years, the resurgence of placing an effective and sustainable amendment to combat against the auxiliary industrial entities like Indigo…”
Get full text

How effectively bonding evolution theory retrieves and visualizes curly arrows: The cycloaddition reaction of cyclic nitrones by Adjieufack, Abel I., Mbah Bake, Maraf, Ketcha Mbadcam, Joseph, Mbouombouo Ndassa, Ibrahim, Andrés, Juan, Oliva, Mónica, Safont, Vicent S.

“…In the present work, the electron density flows involved throughout the progress of the four reaction pathways associated with the intramolecular [3 + 2]…”
Get full text

Assessment of physicochemical parameters and trace metal elements from untreated and treated wastewater of an analysis laboratory, Yaoundé-Cameroon by Bertrand, Zing Zing, Patrick Valerie, Mounoumeck, Placide Desiré, Belibi Belibi, Ronald Camdessus, Nono Lowe, Zaara, Fatimatou, Aboubakar, Amina, Diane Armelle, Moussima Yaka, Aline Béatrice, Nzeket, Joseph Mbadcam, Ketcha, Clarisse Yvette, Mfopou Mewouo

“…The main emphasis of this study is to assess the status of daily released effluent before and after treatment with both Corn Cobs Activated Carbon (CCAC) and…”
Get full text

Intramolecular [3 + 2] Cycloaddition Reactions of Unsaturated Nitrile Oxides. A Study from the Perspective of Bond Evolution Theory (BET) by Adjieufack, Abel Idrice, Liégeois, Vincent, Ndassa Mboumbouo, Ibrahim, Ketcha Mbadcam, Joseph, Champagne, Benoît

“…The reaction mechanism of the [3 + 2] intramolecular cycloaddition of 3,3-dimethyl-2-(prop-2-en-1-yloxy) and (prop-2-en-1-ylsulfanyl) nitrile oxides is…”
Get full text

The Adsorption Efficiency of Chemically Prepared Activated Carbon from Cola Nut Shells by ZnCl2 on Methylene Blue by Ndi Nsami, Julius, Mbadcam, Joseph Ketcha

“…The adsorption of methylene blue from aqueous solution onto activated carbon prepared from cola nut shell has been investigated under batch mode. The influence…”
Get full text

Understanding the reactivity and regioselectivity of [3 + 2] cycloaddition reactions between substituted nitrile oxides and methyl acrylate. A molecular electron density theory study by Ndassa, Ibrahim Mbouombouo, Adjieufack, Abel Idrice, Mbadcam Ketcha, Joseph, Berski, Slawomir, Ríos‐Gutiérrez, Mar, Domingo, Luis R.

“…The [3 + 2] cycloaddition (32CA) reactions of three nitrile oxides (NOs) (R‐CNO; R = Ph, CO2Me, and Br) with methyl acrylate (MA) have been theoretically…”
Get full text

Characterization of Akilbenza clay from Cameroon and its performance for the removal of copper(II) ions from aqueous solution by Kentsa, Ernest, Abi, Charles Fon, Ngomo, Horace Manga, Ndi, Julius Nsami, Awad, Sary, Ketcha Mbadcam, Joseph

“…Akilbenza clay (Akil) was characterized by XRD, FT-TIR, XRF, EDX, SEM, and N 2 gas adsorption. The adsorption performance for Cu(II) ions by this clay was also…”
Get full text

Activated Carbon from the Peelings of Cassava Tubers (Manihot esculenta) for the Removal of Nickel(II) Ions from Aqueous Solution by Alongamo, Brice Armel Ajouafeu, Ajifack, Lydie Dodo, Ghogomu, Julius Numbonui, Nsami, Ndi Julius, Ketcha, Joseph Mbadcam

“…Activated carbons were obtained from the peelings of cassava tubers (Manihot esculenta) by chemical activation using potassium hydroxide and phosphoric acid at…”
Get full text

Development and tailoring of amino-functionalized activated carbon based Cucumerupsi manni Naudin seed shells for the removal of nitrate ions from aqueous solution by Lekene, Rene Blaise Ngouateu, Kouotou, Daouda, Ankoro, Naphtali Odogu, Kouoh, Adolphe Paul-Michel Sone, Ndi, Juluis Nsami, Ketcha, Joseph Mbadcam

“…The removal of nitrate ions with ethylenediamine (EDA)-functionalized activated carbon (AC-NH2) was studied in this work. Activated carbon prepared from…”
Get full text

Multivariate Statistical and Hydrochemical Analysis of Drinking Water Resources in Northern Cameroon Watersheds by Dammi Djimi, Estelle Gaëlle, Abia, Akebe Luther King, Belibi Belibi, Placide Désiré, Takam Soh, Patrice, Che, Randy Nanga, Ghogomu, Julius Numbonui, Ketcha, Joseph Mbadcam

“…Watershed pollution by natural and anthropogenic activities remains a global challenge that requires careful and prompt attention. So, identifying possible…”
Get full text

Deciphering the Curly Arrow Representation and Electron Flow for the 1,3-Dipolar Rearrangement between Acetonitrile Oxide and (1S,2R,4S)‑2-Cyano-7-oxabicyclo[2.2.1]hept-5-en-2-yl Acetate Derivatives by Adjieufack, Abel Idrice, Nana, Cyrille Nouhou, Ketcha-Mbadcam, Joseph, Mbouombouo Ndassa, Ibrahim, Andrés, Juan, Oliva, Mónica, Safont, Vicent Sixte

“…This study is focused on describing the molecular mechanism beyond the molecular picture provided by the evolution of molecular orbitals, valence bond…”
Get full text

Optimization of Activated Carbons Prepared by H3PO4 and Steam Activation of Oil Palm Shells by Kouotou, Daouda, Manga, Horace Ngomo, Baçaoui, Abdelaziz, Yaacoubi, Abdelrani, Mbadcam, Joseph Ketcha

“…In this study, activated carbons were prepared from oil palm shells by physicochemical activation. The methodology of experimental design was used to optimize…”
Get full text

Clay/polymer nanocomposites as filler materials for leather by Jean Serge, Essomba, Alla, Jaya Prakash, Belibi, Placide Désiré Belibi, Mbadcam, Ketcha Joseph, Fathima, Nishter Nishad

“…In the present study organoclay based acrylic polymer nanocomposites were prepared via emulsion polymerization and used as filling agent for leather. The main…”
Get full text

Atomic pair distribution function analysis of goethite and/or hydroxyapatite functionalized cyclodextrin nanosponges by Tao, Songsheng, Randy, Nangah Che, Mbadcam, Ketcha Joseph, Tendo, Josepha Foba, Billinge, Simon J. L.

“…Abstract only…”
Get full text

Hydrogénation et isomérisation de r(+) limonène, 2-cyclohexèn-1-one et cyclohexanone par des catalyseurs au palladium supporté monométalliques et bimétalliques by Mbang, Théophile, Ketcha, Joseph Mbadcam, Geron, Claudine

Get full text

Ferromagnetic activated carbon from cassava (Manihot dulcis) peels activated by iron(III) chloride: Synthesis and characterization by Ndongo, Gervais Kounou, Nsami, Ndi Julius, Mbadcam, Ketcha Joseph

“…Ferromagnetic activated carbon (FAC) was prepared through impregnation of cassava peel with FeCl3 (3.75%) solution and pyrolyzed at 800 °C. Samples were…”
Get full text

Removal of metallic trace elements (Pb2+, Cd2+, Cu2+, and Ni2+) from aqueous solution by adsorption onto cerium oxide modified activated carbon by Kouotou, Daouda, Ghalit, Mohammed, Ndi, Julius Nsami, Martinez, Luisa M. Pastrana, Ouahabi, Meriam El, Ketcha, Joseph Mbadcam, Gharibi, El Khadir

“…The equilibrium and kinetic studies of removal of Pb 2+ , Cd 2+ , Ni 2+ , and Cu 2+ metal ions were carried out using activated carbon prepared from palm…”
Get full text

Activated Carbon from the Peelings of Cassava Tubers Ions from Aqueous Solution by Alongamo, Brice Armel Ajouafeu, Ajifack, Lydie Dodo, Ghogomu, Julius Numbonui, Nsami, Ndi Julius, Ketcha, Joseph Mbadcam

“…Activated carbons were obtained from the peelings of cassava tubers (Manihot esculenta) by chemical activation using potassium hydroxide and phosphoric acid at…”
Get full text

Unraveling the sequence of electron flows along the reaction mechanism by quantum topological tools: The 32CA reaction of acetonitrile oxide with 7-bromo-oxanorborn-5-en-2-one by Idrice, Adjieufack Abel, Karelle, Djogang Lucie, Rene Blaise, Lekene Ngouateu, Maraf, Mbah Bake, Cyrille, Nana Nouhou, Alphonse, Emadak, Mbadcam, Ketcha Joseph, Ibrahim, Mbouombouo Ndassa

“…This work lays out the flow of electron density taking place along four reaction pathways of 32CA reaction of acetonitrile oxide between…”
Get full text

Kinetic and isotherm studies of bisphenol A adsorption onto orange albedo(Citrus sinensis): Sorption mechanisms based on the main albedo components vitamin C, flavones glycosides and carotenoids by Kamgaing, Theophile, Doungmo, Giscard, Melataguia Tchieno, Francis Merlin, Gouoko Kouonang, Jimmy Julio, Mbadcam, Ketcha Joseph

“…Orange albedo and its adsorption capacity towards bisphenol A (BPA) were studied. Adsorption experiments were conducted in batch mode at 25-55°C. Scanning…”
Get full text