A Chemical and Morphological Study of Cassava Peel: A Potential Waste as Coagulant Aid

Mohd-Asharuddin, S.; Othman, Norzila; Zin, Nur Shaylinda Mohd; Tajarudin, Husnul Azan

doi:10.1051/matecconf/201710306012

Cited by 34 publications

(37 citation statements)

References 16 publications

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“…According to Abiola [31], the interaction established between cationic charges of Al 3+ with anionic charge of starch molecules produces insoluble aluminium salts. The insoluble salts are expected to initiate the formation of micro flocs at the initial stage which in later stage, it's gradually developing into larger flocs and finally get settled [32]. The enhanced turbidity removal with the presence of CPS could also be linked to the findings reported by Mavura et al [14].…”

Section: Effect Of Varying Alum-cps Dosage As Dual Coagulantmentioning

confidence: 63%

Performance Assessment of Cassava Peel Starch and Alum as Dual Coagulant for Turbidity Removal in Dam Water

Asharuddin

Othman²,

Zin³

et al. 2018

IJIE

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The agricultural and food processing industries generate a significant portion of residues, refuse and waste. Conversion of these wastes into useful end product would be beneficial not only to the economy but also the environment as it reducing the solid waste disposal problem. The present study was aimed to investigate the performance of cassava peel starch (CPS) extracted from cassava peel waste in combination with alum to act as dual coagulant for turbidity removal in raw water from Sembrong dam. Comparative studies by employing both alum and CPS as primary coagulant using several series of Jar test were also conducted. Results showed that the usage of alum-CPS as dual coagulant not only enhanced the turbidity removal with maximum achievement up to 91.47%, but also significantly improve the coagulation process by reducing both alum dosage and settling time up to 50% which indicates broad prospects to be further developed as emerging green coagulant.

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Section: Effect Of Varying Alum-cps Dosage As Dual Coagulantmentioning

confidence: 63%

Performance Assessment of Cassava Peel Starch and Alum as Dual Coagulant for Turbidity Removal in Dam Water

Asharuddin

Othman²,

Zin³

et al. 2018

IJIE

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“…Natural coagulants especially from plants extracts always available in abundance and well-known as toxic free (Awang & Aziz 2012;Teixeira et al 2017). Several studies have been done on utilization of natural coagulants or coagulant aids, either produced or extracted from plants, animal and agricultural wastes such as Moringa oleifera (MO) seeds, chitosan and cassava peel (Choy et al 2014;Mohd-Asharuddin et al 2017). Over the years, these organic coagulants such as (MO) seed and chitosan have been the most cited in the previous literature (Camacho et al 2017;Debora et al 2013;Ghebremichael et al 2005;Rusdizal et al 2015;Sánchez-Martín et al 2012;Vieira et al 2012;Zoonozi et al 2011).…”

Section: Chemical and Natural Coagulantsmentioning

confidence: 99%

“…A study carried out by Zayadi et al (2016) stated that that cassava peel has potential to be selected as waste-based coagulant due to its ability to remove nutrient and heavy metals, supported by the presence of Si, Ca, Mg, Fe, abundant functional groups and surface porosity of media as the main features. This natural-polymer coagulant shows a promising choice for water coagulants due to their biopolymers composed of proteins and polysaccharides (Mohd-Asharuddin et al 2017;Zayadi et al 2016). Summarize in a Table 1 are various natural coagulants applied on wastewaters with its contaminants' removal percentages to portray its efficiency.…”

Section: Chemical and Natural Coagulantsmentioning

confidence: 99%

A Review of Wastewater Treatment using Natural Material and Its Potential as Aid and Composite Coagulant

Salleh¹,

Mohd-Zin²,

Othman³

2019

JSM

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The introduction of natural materials into the coagulation-flocculation process need to be practiced as common as possible. The previous literature indicated that utilization of natural material is actually worth to be developed and if possible, into the commercial one. However, the application of natural coagulants itself as the primary treatment is not sufficient, due to the rise in constraints which limited its performance. Emerging technologies and depth studies are actually helping these limited conditions to grow them as good as the performance of chemical coagulants. Alternatively, the natural-based coagulants are commonly used as coagulant aids alongside chemical coagulants, which have created a highlight in water research. This review covers the type of coagulants used in the coagulation-flocculation of wastewater treatment especially in the usage of natural-based coagulants. This review paper also outlines the future prospects of natural materials as aids and its potential as sustainable composite coagulants.

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“…Cassavas were first peeled off to obtain the cortex and periderm, as shown in Figure 2, before being washed repeatedly for cleaning purpose. The cassava peels were then soaked in deionized water for 24 h for further cleaning, and then dried in the oven at 60 • C for 24 h to remove moisture content [25], as shown in Figure 3. After drying process, cassava peels were ground using a mortar grinder before being sieved using a strainer with 100 mesh (150 µm), as observed in Figure 4.…”

Section: Cassava Peels Preparationmentioning

confidence: 99%

Experimental Investigation of Methane Hydrate Induction Time in the Presence of Cassava Peel as a Hydrate Inhibitor

Idress¹,

Shahril²,

Zuraidin³

et al. 2019

Energies

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The oil and gas industry faces numerous problems, from the exploration to the production phase. One of the most common problems faced by the industry is the formation of gas hydrates in the pipeline during the deep-water operation. The advancement of kinetic hydrate inhibitors (KHIs) has been rapid. However, as the natural degradation of conventional KHIs, such as polyvinylpyrrolidone (PVP) and polyvinylcaprolactam (PVCap), is challenging, there is a need to develop environmental-friendly KHIs with enhanced biodegradability to improve possible environmental risks. Thus, green inhibitors have been developed as a new class of KHIs. Research for enhancement of green hydrate inhibitors, as an alternative for existing low dosage hydrate inhibitors (LDHIs), has increased. In this paper, the effect of induction time with presence of cassava peels on the formation of methane hydrate was studied and compared with commercialized inhibitor, PVP. The performance of cassava peels as a kinetic hydrate inhibitor was investigated using high pressure micro differential scanning calorimetry (µ-DSC). For the induction time measurement, linear cooling ramps at a constant cooling rate of 0.5 K/min were used under isobaric conditions. Aqueous solutions of 0.5 wt % and 1.0 wt % of cassava peels were prepared and the induction time of methane hydrate formation in these solutions was measured at pressure ranges from 4.0 to 10.0 MPa. One of the characteristics to be a good kinetic inhibitor is the presence of hydroxyl functional group in inhibitors, which assist to form hydrogen bonds with water molecules, thus preventing hydrates formation. Fourier transform infrared (FTIR) analysis confirms the presence of hydroxyl groups in cassava peels with wavenumber value of 3370.68 cm−1. Cassava peel solution is observed to delay the induction times at all pressure settings and it is better at 1.0 wt % concentration. However, at lower pressures of 4 and 6 MPa, the performance is less effective when compared to a commercial inhibitor, PVP. At high pressures of 8 and 10 MPa, it can be seen that the performance is as effective as PVP. This research paper shows that cassava peels have high potential to be developed as a gas hydrate green kinetic inhibitor that can be applied for industry usage in the future.

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A Chemical and Morphological Study of Cassava Peel: A Potential Waste as Coagulant Aid

Cited by 34 publications

References 16 publications

Performance Assessment of Cassava Peel Starch and Alum as Dual Coagulant for Turbidity Removal in Dam Water

Performance Assessment of Cassava Peel Starch and Alum as Dual Coagulant for Turbidity Removal in Dam Water

A Review of Wastewater Treatment using Natural Material and Its Potential as Aid and Composite Coagulant

Experimental Investigation of Methane Hydrate Induction Time in the Presence of Cassava Peel as a Hydrate Inhibitor

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