Physicochemical Characterization of the Sewage Sludge from Guarchia Wastewater Treatment Plant in Benghazi-Libya Evaluation of the Organic Composition

Azzouz, Abd Alsalam H; Naas, Nuha A; Darwish, Khalid M

doi:10.15406/mojboc.2017.01.00009

Cited by 4 publications

(1 citation statement)

References 8 publications

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“…The main equipment used was the soxhlet apparatus (see Fig 1). 25 g of dried specimens were placed in a thimble an d paved in the extractor section of the soxhlet apparatus [19]. 50 ml of ethanol was poured into a round bottom flask to complete the set-up.…”

Section: E Lipid Extractionmentioning

confidence: 99%

Characterization of Waste Activated Sludge for Sustainable Disposal in Jamaica

Barrett¹,

Aples²

2022

Proceedings of the 20th LACCEI International Multi-Conference for Engineering, Education and Technology: “Education, Research A

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The sustainable management of waste activated sludge (WAS) involves the recovery and reuse of valuable products whilst minimizing any possible adverse impact on the environment. This study explored the possible disposal options for the sludge, generated by different activated sludge systems in Jamaica, based on the parameters of pH, EC, heavy metal concentration, and proximate analysis. The correlation between the easy to mea sure properties such pH. EC and volatile matter and the time-intensive parameter of heavy metal concentrations and lipid yield were a lso assessed.Based on the measured parameters it was found that the sludge was not a suitable bioenergy source due to the high volatile matter and low fixed carbon content. On the other hand, the sludge samples were found to be basic in nature with a pH of 7.46 -7.94, had a low salinity with EC values ranging from 727.7 μS/ cm -μS/ cm, sufficient organic matter content of 33.49 to 52.40% d.m and low heavy metal concentrations. These results suggest that sludge application to soil may positively affect the physicochemical properties of soil.

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Section: E Lipid Extractionmentioning

confidence: 99%

Characterization of Waste Activated Sludge for Sustainable Disposal in Jamaica

Barrett¹,

Aples²

2022

Proceedings of the 20th LACCEI International Multi-Conference for Engineering, Education and Technology: “Education, Research A

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A Review of Soil Injection of Liquid Organic Wastes: Potentials and Challenges

et al. 2022

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Physicochemical and Biological Characteristics of Shrimp Pond Sludge in the Thua Thien Hue Province, Vietnam

et al. 2022

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This study has been carried out to analyze the physical and biological indicators of shrimp pond sludge samples obtained from the Phu Vang and Phu Loc districts of the Thua Thien Hue Province, Vietnam. All standard methodologies have been used to analyze the selected parameters like pH, organic carbon, total nitrogen, total phosphate, and microbial density. The results of the study revealed that the sludge was characterized by a neutral to alkaline pH (6.9 - 7.5), and the total organic carbon content was in the range of 103.8–173.5 mg/kg. The sludge was rich in organic matter (17.8–29.9%), total nitrogen (13.5–32.5 g/kg), and total phosphate (7.9-20.1 g/kg). Further, in the case of the microbial density of pathogenic microorganisms, the density of total bacteria, coliform, E.coli, Salmonella spp., Vibrio spp., and Clostridium spp. was also estimated at two opposing weather conditions (spring, February to March; summer, June to July). The microbial community increased rapidly during the cool spring months. The total bacterial levels were recorded as 8.77 log10 CFU/mL in the Phu Loc district and 9.11 log10 CFU/mL in the Phu Vang district. The levels decreased during the hot summer months, and the level of total bacteria, Coliform, E.coli, Salmonella spp., and Vibrio was reported 2.57, 1.49, 1.06, 0.56, and l2.54 log10 CFU/mL respectively from the Phu Loc district of Vietnam. The results obtained using the anaerobic decomposition model showed that on the 60th day, the amount of CH4 generated at the high output value for the Phu Vang district was 22385 ppm. The results reported here revealed that CH4 gas can be potentially produced from shrimp waste sludge in this province.

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Physicochemical Characterization of the Sewage Sludge from Guarchia Wastewater Treatment Plant in Benghazi-Libya Evaluation of the Organic Composition

Cited by 4 publications

References 8 publications

Characterization of Waste Activated Sludge for Sustainable Disposal in Jamaica

Characterization of Waste Activated Sludge for Sustainable Disposal in Jamaica

A Review of Soil Injection of Liquid Organic Wastes: Potentials and Challenges

Physicochemical and Biological Characteristics of Shrimp Pond Sludge in the Thua Thien Hue Province, Vietnam

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