Comparative Study of Nitrogen Bioremoval From Aquaculture Wastewater Using Bioflocs Technique (Bft) Versus Biofiltration System

Abdelbary, K. M.

doi:10.21608/mjae.2017.96863

Cited by 2 publications

(3 citation statements)

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“…The toxic concentration of NH 3 for most types of farmed fish is 1.5 mg N/l. In theory, fish will not suffer any harm from the presence of NH 3 until this concentration (Abdelbary, 2017).…”

Section: Introductionmentioning

confidence: 96%

“…Egypt ranks sixth among the top ten finfish producers from inland aquaculture by 1,091,688 T, live weight (2.6%). While it occupies the seventh place in the production of crustaceans from inland aquaculture and in farmed food fish by 5, 856 T, live weight (0.2%) and 1,097,544 T; live weight (1.6%), respectively (Abdelbary, 2017). Fish aquaculture wastewater affects the living organisms in the environment due to the toxic elements it contains such as N, P, Cr and Se.…”

Section: Introductionmentioning

confidence: 99%

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Mechanical Filtration Pretreatment Effect on Ammonia Biofiltration Performance Indicators in Fish Aquaculture Wastewater

Abdelfatah

Ali²,

Abdelbary

2022

Misr Journal of Agricultural Engineering

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Biological treatment is one of the best methods used to treat wastewater because it is environmentally friendly and costs less than chemical treatment methods. Experimental work was conducted to treat aquaculture wastewater and reuse it using white aggregate and gravel mechanical filter media and rice straw, activated carbon, plastic beads and banana peel as biofilter media. Factors under investigation were filter media type, ammonia (NH 3 ) concentration, HRT, measurement indicators were pH, TDS, TSS, NTU, COD, BOD, TKN. The results showed that gravel mechanical filter is better than white aggregate mechanical filter in reducing NH 3 concentration and physico-chemical parameters. NH 3 concentration in raw wastewater was 32 mg/l and reduced to 28, 25 mg/l in white aggregate and gravel mechanical filter, respectively. For gravel mechanical filter, NH 3 concentration after passing through activated carbon, rice straw, plastic beads and banana peel was 5, 9.72, 10.8 and 5.5 mg/l, respectively. Four hydraulic retention time and doses of activated carbon per liter of wastewater were used, 5, 10, 15 and 20 gm and 5, 10, 20 and 30 min. 20 min with a medium dose of 15 gm of activated carbon per liter of wastewater had the best effect on NH 3 removal. Five hydraulic retention time and doses of rice straw per liter of wastewater were used, 5, 10, 15, 20 and 25 gm and 5, 10, 20, 30 and 40 min. 30 min with a medium dose of 20 gm of rice straw per liter of wastewater had the best effect on NH 3 removal.

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“…The toxic concentration of NH 3 for most types of farmed fish is 1.5 mg N/l. In theory, fish will not suffer any harm from the presence of NH 3 until this concentration (Abdelbary, 2017).…”

Section: Introductionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

Mechanical Filtration Pretreatment Effect on Ammonia Biofiltration Performance Indicators in Fish Aquaculture Wastewater

Abdelfatah

Ali²,

Abdelbary

2022

Misr Journal of Agricultural Engineering

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“…In recent decades, the fish farming field has witnessed significant growth (Nghia et al, 2009). Through aquaculture, fish are produced in quantities close to fish that are produced from natural sources (Verma et al, 2012;Abdelbary, 2017). Aquaculture currently produces nearly 50% of the total fish production in the market (Emenike et al, 2021;.…”

Section: Introductionmentioning

confidence: 99%

New Biofilter Media for Heavy Metals Removal From Aquaculture Wastewater

Abdelbary

Ali²,

Abdelfatah³

2022

Misr Journal of Agricultural Engineering

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It will be necessary to provide about 40 million additional tons of fish by 2030 to keep the per capita share constant. Fish from aquaculture contribute about 50% of the total fish production around the world. It has become common to treat water from fish farms using the biological method, because it is one of the best methods comparinet to the physical and chemical methods. Although ammonia (NH 3 ) is one of the most important pollutants produced by fish farms, several heavy metals have serious effects on fish and the environment. In this experiment, a treatment unit consisting of two stages was designed, the mechanical filter stage as a primary treatment and then the biological filter as the main treatment stage. Gravel was used as a mechanical filter medium, while activated carbon (AC) and rice straw (RS) were used as biofilter media. The AC and RS effects on the heavy metals removal from the water were studied. Changing the pH value on ammonia removal efficiency was also produced to determine its effect. The concentrations of lead (Pb), tin (Sn), iron (Fe), arsenic (As), copper (Cu), nickel (Ni), boron (B), zinc (Zn) and cadmium (Cd) were measured for wastewater and treated water. The best efficiency of AC and RS was to remove copper (Cu) by 65.80 and 84.68%, respectively, and the lowest efficiency was to remove lead (Pb) by 31.50 and 43.20%, respectively. The best pH of AC and RS was 8 with ammonia removal efficiency of 85 and 68%, respectively.

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Comparative Study of Nitrogen Bioremoval From Aquaculture Wastewater Using Bioflocs Technique (Bft) Versus Biofiltration System

Cited by 2 publications

References 0 publications

Mechanical Filtration Pretreatment Effect on Ammonia Biofiltration Performance Indicators in Fish Aquaculture Wastewater

Mechanical Filtration Pretreatment Effect on Ammonia Biofiltration Performance Indicators in Fish Aquaculture Wastewater

New Biofilter Media for Heavy Metals Removal From Aquaculture Wastewater

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