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Mohd Zaini Nawahwi

Researcher at Universiti Teknologi MARA

Publications -  10
Citations -  304

Mohd Zaini Nawahwi is an academic researcher from Universiti Teknologi MARA. The author has contributed to research in topics: Phytochemical & Medicine. The author has an hindex of 5, co-authored 8 publications receiving 262 citations. Previous affiliations of Mohd Zaini Nawahwi include Universiti Teknologi Malaysia.

Papers
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Journal ArticleDOI

Development of granular sludge for textile wastewater treatment

TL;DR: Granular sludge could be developed in a single reactor with an intermittent anaerobic-aerobic reaction phase and is capable in treating the textile wastewater and demonstrated good removal of COD and ammonia.
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The effect of hydraulic retention time on granular sludge biomass in treating textile wastewater.

TL;DR: The HRT of 24 h with anaerobic and aerobic reaction time of 17.8 and 5.8 h respectively appear to be the best cycle operation of SBR and the highest removal of color and COD of the synthetic textile dyeing wastewater have been achieved.
Journal Article

Antimicrobial activity of nigella sativa seed extract

TL;DR: Kruskal Wallis analysis showed that both aqueous and methanol extract of black seed exhibited a greater inhibition on Gram positive bacteria (Streptococcus pyogenes) compared with Gram negative bacteria (Pseudomonas aeruginosa, Klebseilla pneumoniae and Proteus vulgaris).
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Degradation of the Azo Dye Reactive Red 195 by Paenibacillus spp. R2

TL;DR: The anaerobic metabolism of glucose as co-metabolite also shown to provide the electrons required for the initial reductive cleavage of the azo group suggest that it is possible to mineralize the azos dye in the environment; thereby, avoiding accumulation of toxic intermediates in the water.
Journal ArticleDOI

Aggregation and surface hydrophobicity of selected microorganism due to the effect of substrate, pH and temperature

TL;DR: In this article, the effect of substrate concentration, pH, and temperature on the properties of selected bacteria that are isolated from biogranules used in treating textile wastewater was investigated, and statistical response surface methodology was used to quantitatively determine the effects and to determine the relationship between the responses and variables.