Faried, M., A. Khalifa, E. Abdelsalam, Y. Attia, M. Moselhy, R. Yousef, K. Abdelbary, M. Samer, and A. El-Hussein, "Impacts of (NH4)2CO3, Ca(H2PO4)2, K2CO3 and CaCO3 additives on lipid accumulation in microalga Chlorella sorokiniana", Egyptian Journal of Chemistry, vol. 65, no. 12: National Information and Documentation Centre (NIDOC), Academy of Scientific Research and Technology, ASRT, pp. -, 2022. AbstractWebsite

At present, the major body of research is focused on weaning the world from fossil fuels. The problem is that the world is running out of fossil fuel. Therefore, an alternative source must be identified. The biofuels are promising alternatives. In the case of petrodiesel, a promising alternative is biodiesel production from algae. The ability of microalgae to generate large quantities of lipids with a fast growth rate made them superior biodiesel producers. An important factor of determining optimal microalgal activity is the bio response to changes in ions concentration and quantity. The effects of the addition of the following chemicals were investigated: ammonium carbonate (NH4)2CO3 with a concentration of 72 mg/L, monocalcium phosphate Ca(H2PO4)2 with a concentration of 14 mg/L, potassium carbonate (K2CO3) with a concentration of 4.5 mg/L, and calcium carbonate (CaCO3) with a concentration of 2 mg/L. Further treatment is a mixture of all additives with the same listed concentrations. According to the results of this study, it was found that nitrogen, phosphorous, potassium, and calcium concentration have great influence on the algal growth and lipid production. Furthermore, the mixture of all additives yielded the highest lipid (2.488 g/L) and the highest biodiesel production (114.39mg/L) among all treatments followed by the treatment of ammonium carbonate yielded 1.596 g/L lipids and 74.38 mg/L biodisel.

Samer, M., S. S. Abdeen, Y. B. Abdelhay, and K. Abdelbary, "Cell phone application for kinetic modeling and computing biohydrogen yield and production rate from agricultural wastes", Computers and Electronics in Agriculture, vol. 201, pp. 107288, 2022. AbstractWebsite

In order to conduct the kinetic modeling and compute the biohydrogen yield and production rate, numerous measures should be applied; this necessitates wide timespan and several attempts, with the likelihood of errors. This objective of this research is to develop a software to support users, engineers, and specialists in conducting these computations through creating a cell phone application. A numerical model, i.e., a calculation pattern, was created to conduct the computations. Subsequent, a flowchart was generated, and the numerical model was combined into the flowchart. Then, Kodular was used to create the cell phone app by combining the flowchart, numerical model, and interface formation. Data were acquired from wastewater treatment plants, governmental as well as non-governmental organizations, and literature. The data acquired for conducting the computations in the conventional method was used to deliver output data that were compared with the output data delivered by the configured app. The results of both the conventional approach and the app were congruous. The developed cell phone application is able to conduct the kinetic modeling and compute the biohydrogen yield and production rate from agricultural wastes.

Abdelfatah, A., M. Ali, and K. M. Abdelbary, "Recent Used Techniques and Promised Solutions for Biofiltration Treatment of Fish Wastewater", Egyptian Journal of Chemistry, vol. 65, no. 11: National Information and Documentation Centre (NIDOC), Academy of Scientific Research and Technology, ASRT, pp. -, 2022. AbstractWebsite

Overpopulation and lack of resources have become serious problems in recent years. Therefore, there is an urgent need to find renewable sources of food to confront this problem. Aquaculture is an inexpensive and important source of protein, as aquaculture have increased significantly, especially during the past two decades. The wastewater produced from those farms includes many harmful elements such as ammonia (NH3), organic matter (OM), phosphorous(P) and dissolved organic carbon (DOC). So, it has become necessary to find an appropriate method to treat the wastewater produced from those farms. There are many ways to treat wastewater from fish farms, including physical, chemical or biological methods. Biological treatment is one of the best methods used in wastewater treatment from aquaculture, as it is environmentally friendly and less expensive than other methods. The biofiltration process depends on the use of microorganisms that convert ammonium (NH4+) to nitrite (NO2-) and then to nitrate (NO3-), and this is done using a Recirculating Aquaculture Systems (RASs). The main component of the biofilter is the filter media, which can be compost, wood chips, beads, other organic or inorganic materials. There are many types of microorganisms used to treat wastewater like Microalgae, bacteria, fungi, yeast. The choice of the type of microorganism used depends on the chemical nature of the pollutants.

Abdelfatah, A. G., M. A. Ali, and K. M. Abdelbary, "MECHANICAL FILTRATION PRETREATMENT EFFECT ON AMMONIA BIOFILTRATION PERFORMANCE INDICATORS IN FISH AQUACULTURE WASTEWATER", Misr Journal of Agricultural Engineering, vol. 39, no. 4: Misr Society of Agricultural Engineering (MSAE), Egypt, pp. 555-570, 2022. AbstractWebsite

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 (NH3) 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 NH3 concentration and physico-chemical parameters. NH3 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, NH3 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 NH3 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 NH3 removal.

Younis, S. M., K. M. Abdelbary, and N. A. Ahmad, "A case study on wear in some basic parts of tractor engines", Misr Journal of Agricultural Engineering, vol. 35, issue 4, pp. 1211 - 1224, 2018.
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