Influence of Time of the Year and Location on the Wastewater Stream on Microbial Characteristics of Treated Wastewater from the Holy City of Makkah

Arafa, A.; Hashem, Mohamed Hossni; El-Solimani, S G; Azroe, M.

doi:10.4197/met.12-1.15

Cited by 2 publications

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“…Similarly, Bahabri (2011) also indicated that in both soil and water chemical and microbiological contamination levels exceeded the limits of local and international drinking and irrigation water quality standards. Nevertheless, in a study conducted by El-Solimani (2001) , total and fecal coliforms in TWW were very high at the disposal outlet and during the month of pilgrimage but decreased with distance from the outlet during other months. He further suggested that using TWW from this site should be restricted.…”

Section: Introductionmentioning

confidence: 90%

Effect of long-term influx of tertiary treated wastewater on native bacterial communities in a dry valley topsoil: 16S rRNA gene-based metagenomic analysis of composition and functional profile

Masrahi

2023

PeerJ

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Although dumping treated wastewater into soil might provide nutrients and organic matter, it can also expose the ecosystem to biological and chemical risks. A vital indication of soil health and quality is the soil microbial community. The current work used next-generation 16S rRNA gene amplicon sequencing to evaluate the effects of the long-term influx of tertiary treated wastewater (TWW) into Wadi Uranah, a dry valley in Makkah city, Saudi Arabia, on native topsoil bacterial community composition and predicted functions. The findings demonstrated that neither the compositions of microbial communities nor their predicted functions using PICRUSt2 differed significantly (p > 0.05) between polluted valley soil (PolVS) and unpolluted valley soil (UPVS). Alpha and beta diversity, however, showed that the PolVS samples had a considerably higher level of diversity and variability. Firmicutes, Actinobacteria, Proteobacteria, and Bacteroidetes were the most prevalent phyla in both groups. Noticeable relative variations existed in some metabolic pathways such as cofactor, prosthetic group, electron carrier degradation, aldehyde degradation, and Entner-Doudoroff (ED) pathways. Overall, our findings suggest that because both groups have very similar core microbiomes and functions, the long-term disposal of tertiary TWW into Wadi Uranah may have little to no influence on the composition and function of soil bacterial communities. In addition, the long-term discharge of tertiary TWW after partially treated wastewater’s initial disposal may have helped the native soil microbial community recover.

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Section: Introductionmentioning

confidence: 90%

Effect of long-term influx of tertiary treated wastewater on native bacterial communities in a dry valley topsoil: 16S rRNA gene-based metagenomic analysis of composition and functional profile

Masrahi

2023

PeerJ

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“…The organic materials in the sewage water are in the form of nonhomogenous mixture of compounds, most of it is nitrogenous, like urea, proteins, ammo acids, and nonnitrogenous materials like hydrocarbons, lipids, detergents, pesticides and soap residues (Arab Water World, 1995). Evaluation of wastewater for reusing m agriculture has been discussed by many researchers (Abdel Magid, 1996;Arafa et al, 2001;Al-Solaimani and Hashim, 2004;Emongor and Ramolemana, 2005). Abdel Magid (1996), tested the suitability of wastewater and effluent from Unayzah sewage treatment plant for reuse in irrigation and found that the physico-chemical parameters of that water fall within the local and international standards for irrigation reuse, but the total coliform bacteria count (TCB) was high rendering the effluent unacceptable for irrigation use.…”

Section: Introductionmentioning

confidence: 99%

“…Abdel Magid (1996), tested the suitability of wastewater and effluent from Unayzah sewage treatment plant for reuse in irrigation and found that the physico-chemical parameters of that water fall within the local and international standards for irrigation reuse, but the total coliform bacteria count (TCB) was high rendering the effluent unacceptable for irrigation use. In another tests by Arafa et al, (2001), they evaluated the population of staphylococcus, coliform and fecal coliform bacteria and yeast and molds of the waste water of Makkah city, and concluded that the sewage water is acceptable for reuse in agriculture. There are some studies assessed the sewage water quality and its dilution at South Cornich in Jeddah City (Mudarries et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

Possibility of using Sewage Effluent from Different Water Treatment Plants in Different Cities of Saudi Arabia for Agricultural Reuse

Neamatallah¹

2018

IJERT

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A comparative study was conducted to test the efficiencies of 7 sewage water treatment plants, 4 in Jeddah, Bani-Malik, Al-Balad, Al-Khomrah, Hael, one in Makkah, one in Abha and one in Taif city in Saudi Arabia. The plants were installed for the treatment of the cities domestic and industrial wastewater effluent. The parameters studied included the physiological, chemical and biological characteristics treated sewage water (effluent) of the treatment plants. The 7 plants vary in their efficiencies to eliminate the studied parameters. The values of these parameters are within the range allowed according to the standards of the MWE ( 2005 ) and FAO ( 1985 ) except for the total coliform bacteria ( TCB ) which is high than the standards suggested (not to exceed 1000 colonies/100 ml), and also according to concentrations of TSS and according to concentrations of BOD and COD. So according to these results sewage water treatment plants working now in Saudi Arabia needed modernization to be more efficient in treatment of the raw waste water, so it can be used for irrigation and production of crop, fodder and vegetable plants. It is recommended to resort to treated sewage water for production of field crops, forages in general in Saudi Arabia.

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Influence of Time of the Year and Location on the Wastewater Stream on Microbial Characteristics of Treated Wastewater from the Holy City of Makkah

Cited by 2 publications

References 0 publications

Effect of long-term influx of tertiary treated wastewater on native bacterial communities in a dry valley topsoil: 16S rRNA gene-based metagenomic analysis of composition and functional profile

Effect of long-term influx of tertiary treated wastewater on native bacterial communities in a dry valley topsoil: 16S rRNA gene-based metagenomic analysis of composition and functional profile

Possibility of using Sewage Effluent from Different Water Treatment Plants in Different Cities of Saudi Arabia for Agricultural Reuse

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