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Recent Submissions
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Knowledge is Power: An Exploratory Study on Information Sources for Prostate Cancer among Men in Nairobi County, Kenya
(African Journal of Urology, 2022) -
Investigation of Wood Chips as Internal Carbon Source Supporting Denitrification Process in Domestic Wastewater Treatment
(International Journal of Environmental and Ecological Engineering, 2016) -
Microbial community analysis in a combined anaerobic and aerobic digestion system for treatment of cellulosic ethanol production wastewater
(2015-06-22)This study investigated the microbial diversity established in a combined system composed of a continuous stirred tank reactor (CSTR), expanded granular sludge bed (EGSB) reactor, and sequencing batch reactor (SBR) for ... -
Simultaneous algae-polluted water treatment and electricity generation using a biocathode-coupled electrocoagulation cell (bio-ECC)
(Elsevier, 2017-06-21)How to utilize electrocoagulation (EC) technology for algae-polluted water treatment in an energy-efficient manner remains a critical challenge for its widespread application. Herein, a novel biocathode-coupled ... -
Hematite and multi-walled carbon nanotubes stimulate a faster syntrophic pathway during methanogenic beet sugar industrial wastewater degradation
(2017-09-22)The quest to understand and subsequently improve the role played by bacteria and archaea in the degradation of organic matter both in natural and engineered anaerobic ecosystems has intensified the utilization of ... -
Integrated expanded granular sludge bed and sequential batch reactor treating beet sugar industrial wastewater and recovering bioenergy
(2016-07-21)The exponential rise in energy demand vis-à-vis depletion of mineral oil resources has accelerated recovery of bioenergy from organic waste. In this study, a laboratory- scale anaerobic (An)/aerobic (Ar) system ... -
Biogas enhancement using iron oxide nanoparticles and multi-wall carbon nanotubes
(International Journal of Chemical, Molecular, Nuclear, Materials and Metalurgical Engineering, 2016) -
Investigation on decolorization of biologically pretreated cellulosic ethanol wastewater by electrochemical method
(Elsevier, 2017-04-25)The biologically pretreated cellulosic ethanol wastewater poses a serious environmental concern because of its refractory and color compounds. The decolorization of electrochemical oxidation using Sb doped Ti/ SnO2 ... -
Performance of CSTR–EGSB–SBR system for treating sulfate-rich cellulosic ethanol wastewater and microbial community analysis
(2017)Performance and microbial community composition were evaluated in a two-phase anaerobic and aerobic system treating sulfate-rich cellulosic ethanol wastewater (CEW). The system was operated at five different chemical ... -
Cascade degradation of organic matters in brewery wastewater using a continuous stirred microbial electrochemical reactor and analysis of microbial communities
(Scientific Reports, 2016)A continuous stirred microbial electrochemical reactor (CSMER), comprising of a complete mixing zone (CMZ) and microbial electrochemical zone (MEZ), was used for brewery wastewater treatment. The system realized 75.4±5.7% ... -
A combined microbial desalination cell and electrodialysis system for copper-containing wastewater treatment and high-salinity-water desalination
(Journal of Hazardous Materials, 2017)A new concept for heavy metal removal by forming hydroxide precipitation using alkalinity produced by microbial desalination cell (MDC) was proposed. Four five-chamber MDCs were hydraulically connected to concurrently ... -
Determination of Heavy Metal Levels in Surface Waters and Sediments of River Riana, Kisii County, Kenya
(2023-10)In this paper, some trace metals were seasonally determined for six months between January -June 2021 (to cover both the wet and dry seasons) in surface water and sediments from River Riana in Kisii County. The river ... -
On Skew Class (BQ) Operators
(Iconic Research and Engineering Journals, 2022-12)The class of Skew (BQ) operators acting complex Hilbert on an separable H is introduced in this paper. An operator if K ∈L (H) is said to belong to class Skew (BQ) if K commutes with a (BQ) operator, that ... -
The Influence of Part-Time Lecturers' Payment Management on the Dons' Performance
(Journal of Emerging Technologies and Innovative Research (JETIR), 2021-07)Kenya’s university student enrolment had risen in the year 2016 to around 23 percent following increased female enrolment, massive infrastructure development at the universalities, the introduction of new programs, lowering ... -
Comparative Analysis of Compressive Strength of Bamboo Leaf and Baggash Ash Concretes
(MACHAKOS UNIVERSITY JOURNAL OF SCIENCE AND TECHNOLOGY, 2021)Billions tons of conventional concrete are produced yearly as well as cement which emit large tons of carbon dioxide due to huge millions of metric tons produced annually. Sequel to this, there is need to produce a ... -
Predicament and Development Direction of Network Effectiveness Learning: Analysis and Research of Ergonomic Effectiveness
(Educational Research and Policies, 2022-08-31)Human Factors and Ergonomics play a key role in the design and development of computer applications and tools. This is a multidisciplinary approach used to ensure that systems and learning environments are designed to ... -
Modelling the Deflection of Reinforced Concrete Plates Using the Symplectic Method
(Journal of Sustainable Research in Engineering, 2020)This work aims to predict the flexural behavior of reinforced concrete slabs by combining a smeared finite element model derived from fracture mechanics for the simulation of the decline in the flexural rigidity of the ... -
On class (n, mBQ) Operators
(World Journal of Advanced Research and Reviews, 2021-06-26)In this paper, we introduce the class of (n, mBQ) operators acting on a complex Hilbert space H. An operator if T ∈ B (H) is said to belong to class (n, mBQ) if T ∗2mT 2n commutes with (T ∗mTn ) 2 equivalently [T ∗2mT 2n, ... -
First-Principles Calculations Of Structural, Electronic And Elastic Properties Of Tysonite Lanthanum Fluoride (Laf3)
(Journal of Research in Environmental and Earth Science, 2018-06)The structural, electronic and elastic properties of tysonite Lanthanum fluoride (LaF3) have been studied using Density Functional Theory. The lattice constants were calculated and then the values fitted into the energy ... -
On N-A-Metrically Equivalent and A-Metrically Equivalent Operators
(International Journal of Mathematics And its Applications, 2021)A-metrically equivalent operators may be regarded as a generalization of metrically equivalent operators. This is realized when A= I and T ]= T ∗ . Definition 1.1. Two operators S ∈ BA(H) and T ∈ BA(H) are said to ...
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