Application of Pineapple Waste to the Removal of Toxic Contaminants: A Review

Fouda-Mbanga, Bienvenu Gael; Tywabi-Ngeva, Zikhona

doi:10.3390/toxics10100561

Cited by 11 publications

(2 citation statements)

References 97 publications

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“…Wastewater discharge without proper treatment is a significant contributor to environmental problems in the textile sector. Over 2,000 chemicals and 7,000 dyes are used in the textile industry, making it one of the most polluting industries [1]. Wastewater treatment technologies include coagulation, which is widely used in sedimentation and filtration.…”

Section: Introductionmentioning

confidence: 99%

Drying of Artocarpus Heterophyllus and is application in treating dye wastewater

Alghaithi,

Ismail,

Chua

2023

J. Phys.: Conf. Ser.

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Coagulation is a common technique used in wastewater treatment plants to remove dissolved chemicals, turbidity, and colours. Aluminium sulphate (alum), the most common coagulant, has recently been connected to both Alzheimer’s disease and environmental issues. In order to deal with these issues, researchers are considering the possibility of developing a natural coagulant that is safe for both humans and the environment. In this research, Artocarpus Heterophyllus (Jackfruit) seeds were used to make a natural coagulant, and their use in the treatment of coloured wastewater was implemented. This study examined the effects of hot air-drying temperatures on the Jackfruit seed moisture content. Jackfruit seed application in dye wastewater treatment was also optimised via several experiments with varying coagulation parameters generated via central composite response surface design (CCD). Jackfruit seed drying and protein extraction are two crucial steps in making natural coagulants. Jackfruit seeds were dried in an oven at 40°C, 50 °C and 60°C to collect drying data. Drying information for the optimum air-drying temperature that produces the shortest drying time was used to generate five drying kinetic models. Based on the results of this research, 60°C hot air-drying temperature was chosen as the optimal drying temperature for Jackfruit seeds, resulting in the shortest total drying time of just 5 hours. Once the optimum hot air-drying temperature was recorded, five thin drying kinetic models were used to determine which module best explained the drying kinetics at the optimum hot air-drying temperature. Microsoft Excel solver was used to calculate the values of X2, R2, and RMSE. The kinetic model with the lowest X2 and RMSE was selected. The modified Midilli model was chosen as the best kinetic model for representing the drying performance of Jackfruit seeds, as it had the lowest X2 and RMSE. After that, the protein was extracted from jackfruit seeds that had been dried at 60°C for 5 hours. In order to extract the protein from jackfruit seeds, 2 g of dry seeds were dissolved in 100 mL of distilled water, blended, and filtered before being used in the Jar test. The initial concentration of dye wastewater, the pH of the wastewater, and the coagulant dosage were the main parameters in the jar test. Maximum colour removal of 85.81% was attained during Jackfruit seed-based dye wastewater treatment when the initial concentration of dye wastewater was 400 ppm; the coagulant dosage was 100mg/L, and the pH was 2. Therefore, these were chosen as the optimum parameters for treating dye wastewater with Jackfruit seeds.

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Section: Introductionmentioning

confidence: 99%

Drying of Artocarpus Heterophyllus and is application in treating dye wastewater

Alghaithi,

Ismail,

Chua

2023

J. Phys.: Conf. Ser.

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“…Pineapples are perpetual herbaceous plant in tropical areas like Indonesia, China, Malaysia, South Africa, Costa Rica, Nigeria, Philippines, Thailand [21]. Pineapple can be processed into syrup, jam, abon [22], and pineapple dodol [23].…”

Section: Introductionmentioning

confidence: 99%

Comparison of Acceptability Test of Alternative Diabetic Snacks Obtain from Fiber and Protein Levels Pineapple Moringa Velva with Addition of Oatmeal

Sa'idah

Christyaningsih

Sari

et al. 2022

International Journal of Advanced Health Science and Technology

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Diabetes is a major public health problem. For diabetics, diet shows great potential in controlling blood glucose levels by practicing regular eating patterns, either snacking between meals. Then, it’s important to consume foods with a low glycemic index, meanwhile fulfill daily protein and fiber intake. This study aims to identify organoleptic tests, along with analysis of fiber and protein levels from the best organoleptic test results. This type of research was a pre-experimental design on 3 groups velva. Organoleptic tests were performed on 25 trained panelists using purposive sampling. Analysis technique uses kruskall wallis and mann whitney test. Also, laboratory tests for fiber and protein levels. The results of this study are diabetics have a daily calorie requirement of 1,500 kcal. Moreover, 150 kcal is required for one snack, 7.5 g of protein and 2.5 g for fiber is needed. In addition, based on the results of the organoleptic test, the best velva is formulation 3 (KN 03). The average value obtained from 25 panelists is 3.38. The fiber content contained in the formulation 3 velva is 3.19 g/100 g. Meanwhile, the protein content per 100 g is 8.68 g. The conclusion of this study is that diabetics can consume velva at a rate of 1 cup (100 g) with 151.9 kcal calories per snack consumption to meet 10% of their daily fiber and protein needs. The implication of this research is to find the best velva formulation with high fiber and protein levels for diabetics

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Agricultural Biomass/Waste-Derived Adsorbents for the Abatement of Dye Pollutants in (Waste)Water

Haskis,

Ioannidis,

Mpeza

et al. 2024

Planet Earth: Scientific Proposals to Solve Urgent Issues

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Application of Pineapple Waste to the Removal of Toxic Contaminants: A Review

Cited by 11 publications

References 97 publications

Drying of Artocarpus Heterophyllus and is application in treating dye wastewater

Drying of Artocarpus Heterophyllus and is application in treating dye wastewater

Comparison of Acceptability Test of Alternative Diabetic Snacks Obtain from Fiber and Protein Levels Pineapple Moringa Velva with Addition of Oatmeal

Agricultural Biomass/Waste-Derived Adsorbents for the Abatement of Dye Pollutants in (Waste)Water

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