Impact of cement effluent on water quality of rivers: A case study of Onyi river at Obajana, Nigeria

Ipeaiyeda, Ayodele Rotimi; Obaje, Gabriel Monday

doi:10.1080/23311843.2017.1319102

Cited by 20 publications

(14 citation statements)

References 25 publications

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“…Results of some of the physicochemical analysis are represented graphically in Figure 2 -9. The observed seasonal variation agreed with [8] study on Onyi River. The variation observed in wet season can be attributed to the nonpoint sources of pollution from runoff that washed pollutant from the adjacent land within the catchment area into the river channel.…”

Section: Physicochemical Characteristics Of Ngosupporting

confidence: 89%

“…Hence, the effluent is relatively treated. The obtained result compared to [8] was observed to be better treated. However, there is a need to address the high TSS, turbidity and low DO, as effects such as reduction of sunlight penetration which invariably affect food supplies and growth of aquatic organisms [16], the acceleration of high number of foreign micro biota [17] with its resultant effect on DO, and other negative environmental health impact might be experienced in Ngo river.…”

Section: Materials and Methods 21 Water Sampling And Analysismentioning

confidence: 77%

“…Successful management of water resources in Nigeria, and control of water based and water borne diseases require quality assessment of the water bodies. In view of this, [8] assessed the impact of effluent from Obajana Cement factory discharged into Onyi River in Kogi State, and reported the river as being slightly polluted. In 2008, [9] study on heavy metals in sediment of some inland waters adjacent to Benue Cement company, reported that the surface waters appears to have suffered adverse impact from the cement company and therefore not suitable for human consumption.…”

Section: Introductionmentioning

confidence: 99%

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Assessment of the effect of cement industry effluent discharge on water quality of Ngo River in Benue, Nigeria

Aga¹,

Anyadike²,

Mbajiorgu³

et al. 2020

Nig. J. Tech.

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Ngo River in Gboko, Benue State, Nigeria which serves as a source of water for domestic and agricultural purposes for the agrarian community receives effluent from Dangote Cement factory. Physicochemical analysis of the effluent outfall and water samples collected along 15 km of the river stretch were carried out in dry and wet seasons respectively. The results obtained were compared to FEPA, WHO and NESREA Standards. For effluent outfall, Temperature, TDS, pH, EC, BOD, COD, sulphate and chloride, total hardness, calcium and magnesium, were found to be within the FEPA standards, while TSS, turbidity, and nitrate, were above the standards. Along 15 km study reach, mean temperature range of 32.4oC to 29.0oC, a TSS of 224 mg/l to 218 mg/l, a turbidity of 45 NTU to 42 NTU, and DO of 1.6 mg/l to 1.2 mg/l were obtain during the dry season, while mean temperature range of 36.8oC to 36.6oC, a TSS of 255 mg/l to 252 mg/l, turbidity of 176 NTU to 168 NTU, and DO 2.8 mg/l to 2. 6 mg/l were obtained during the wet seasons. These results were above WHO and NESREA temperature (25oC drinking water), TSS (30 mg/l domestic and 100 mg/l agriculture) water use, 5 NTU turbidity, and 5mg/l to 7.5mg/l DO standards. The effluent is relatively treated and effects such as aquatic depletion in the environment, decreased soil pore size and decreased permeability in the use of the water for irrigation, and water related diseases are not ruled out. Keywords: Cement industry, Effluent discharge, Water quality, Ngo River.

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Section: Physicochemical Characteristics Of Ngosupporting

confidence: 89%

Section: Materials and Methods 21 Water Sampling And Analysismentioning

confidence: 77%

Section: Introductionmentioning

confidence: 99%

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Assessment of the effect of cement industry effluent discharge on water quality of Ngo River in Benue, Nigeria

Aga¹,

Anyadike²,

Mbajiorgu³

et al. 2020

Nig. J. Tech.

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“…Table 3 shows that the pH of cement wastewater was in the range of (9.6-10.2) which indicates the high alkalinity of cement wastewater. The pH of our raw sample was slightly higher than the overall average pH of wastewater produced from cement plants around the world (Freeda Gnana Rani et al, 2005;Ipeaiyeda et al, 2017). The increase of pH was due to high concentrations of calcium and hydroxide carbonates and bio-carbonates found in cement wastewater.…”

Section: Raw Cement Industrial Wastewater Characteristicsmentioning

confidence: 63%

Pilot-scale study based on integrated fixed-film activated sludge process for cement industrial wastewater treatment

Ali

Fouad

Meky

et al. 2021

J.Degrade.Min.Land Manage.

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Due to the lack of freshwater resources in Egypt, cement wastewater treatment was performed to widen the range of the water used in irrigation to face the massive future water scarcity. In this study, integrated fixed-film activated sludge (IFAS) was used as a biological treatment method. A laboratory pilot was established as a simulation of the IFAS process. The scale-pilot consists of a primary sedimentation tank, an IFAS tank equipped with an air blower, and a final settling tank. Three experimental attempts were performed using 3 different bio-carriers. In the first trial, Luffa sponges were used as natural bio-carriers and polyurethane sponges (PU) as artificial bio-carriers in the second trial, in addition to a combination between Luffa and PU sponges as a hybrid bio-carrier in the third trial. After analyzing the physicochemical properties of wastewater at the national research center in Cairo, the removal efficiency of TSS (total suspended solids), COD (chemical oxygen demand) , BOD(biological oxygen demand), TN (total nitrogen), and TP (total phosphorous) was 94.5%, 87.8%, 90.8%, 75.9%, and 69.4%, respectively in case of using the combination between Luffa and PU sponges. It can be concluded that using IFAS process was effective for cement wastewater treatment and the effluent wastewater met the Egyptian code limitations for reuse in agriculture purposes.

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“…These have been caused seriously environmental pollution and health problems. [1] Therefore, the organic dyes should be treated before releasing into environment. [2] Various treatment methods such as coagulation, biological degradation and ion exchange, [3] but adsorption is still widely used for removing organic dyes due to its simplicity and high efficiency.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of mesoporous SiO₂ from rice husk for removal of organic dyes in aqueous solution

Thu

Dat

Tuấn

2019

Vietnam Journal of Chemistry

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Mesoporous SiO2 was prepared from rice husk for removal of methylene blue (MB) from aqueous solution. Asprepared SiO2 was characterized by FE-SEM, TEM, XRD, FT-IR and N2 adsorption/desorption isotherm. The effects of SiO2 dosage and contact time on adsorption of dye were investigated. The optimal dosage of SiO2 for removing methylene blue was 0.05 g and the removal efficiency of methylene blue reached to 91.9 % after 50 min of adsorption. The adsorption kinetic of methylene blue was studied to understand the mechanism of adsorption process. The kinetic data was analyzed by pseudo-first-order, pseudo-second-order, and intra-particle diffusion models. The results showed that rate of adsorption dye followed pseudo-second-model with a good regression correlation (R 2 = 0.999), the value of rate constant for adsorption process was calculated as 0.017 (g.mg -1 .min -1 ) and film diffusion was the rate limiting step. In addition, the cyclic test for as-prepared SiO2 was investigated and the removal efficiency was remained at 80.2% at 3 rd cyclic experiment.

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Impact of cement effluent on water quality of rivers: A case study of Onyi river at Obajana, Nigeria

Cited by 20 publications

References 25 publications

Assessment of the effect of cement industry effluent discharge on water quality of Ngo River in Benue, Nigeria

Assessment of the effect of cement industry effluent discharge on water quality of Ngo River in Benue, Nigeria

Pilot-scale study based on integrated fixed-film activated sludge process for cement industrial wastewater treatment

Synthesis of mesoporous SiO₂ from rice husk for removal of organic dyes in aqueous solution

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Impact of cement effluent on water quality of rivers: A case study of Onyi river at Obajana, Nigeria

Cited by 20 publications

References 25 publications

Assessment of the effect of cement industry effluent discharge on water quality of Ngo River in Benue, Nigeria

Assessment of the effect of cement industry effluent discharge on water quality of Ngo River in Benue, Nigeria

Pilot-scale study based on integrated fixed-film activated sludge process for cement industrial wastewater treatment

Synthesis of mesoporous SiO2 from rice husk for removal of organic dyes in aqueous solution

Contact Info

Product

Resources

About

Synthesis of mesoporous SiO₂ from rice husk for removal of organic dyes in aqueous solution