Modified eucalyptus bark as a sorbent for simultaneous removal of COD, oil, and Cr(III) from industrial wastewater

Martini, Sri; Afroze, Sharmeen; Roni, Kiagus Ahmad

doi:10.1016/j.aej.2020.04.010

Cited by 43 publications

(24 citation statements)

References 60 publications

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“…The untreated or less treated oily wastewater can endanger public health and ecological systems due to its hazardous components. Other than oil and grease, oily wastewaters may also contain suspended and dissolved solids, phenol, heavy metals, dyes, and other harmful particles [15]. Therefore, proper treatment processes for oily wastewater are needed to produce wastewater that meets the regulatory standards.…”

Section: Existing Technology For Oily Wastewater Treatmentmentioning

confidence: 99%

Technology for Treating Oily Wastewater Derived from Various Industries: A Review Paper

Martini

Setiawati

2021

CHEMICA: Jurnal Teknik Kimia

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Section: Existing Technology For Oily Wastewater Treatmentmentioning

confidence: 99%

Technology for Treating Oily Wastewater Derived from Various Industries: A Review Paper

Martini

Setiawati

2021

CHEMICA: Jurnal Teknik Kimia

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“…Different techniques have been reported to remove oil contaminants from water, such as filtration, 16,17 reverse osmosis, 18 gravity separation, 19 air flotation, 20 ionic flocculation, 21 adsorption, 22 and gel 23 . Among all these methods, the adsorption process is highlighted due to its efficiency, relatively lower processing cost, and simple design 24 . There are several types of commercially available sorbents.…”

Section: Introductionmentioning

confidence: 99%

Eco‐friendly foams of castor oil based‐polyurethane with Artemisia residue fillers for discarded vegetable oil sorption

Maia

Zanini

Claro

et al. 2021

J of Applied Polymer Sci

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In this article, a new approach is applied to reuse Artemisia residue (AR) as filler in polyurethane (PU) foam for vegetable oil sorption for discarded cooking oil applications. The pristine PU and PU/X%AR foams (X stands for AR content of 5–20%wt/wt) were characterized by SEM, density, contact angle (CA), thermogravimetric analysis, and Fourier transform infrared spectroscopy. The influence of two experimental factors, such as contact time (30–180 s) and initial vegetable oil concentration (20–200 g/L), was investigated in vegetable oil and vegetable oil/mineral water systems. The AR loading of the foams increased the foams' density and influenced the morphological, physical, thermal, and sorption properties. The PU/20%AR sample presented the highest CA (122.5°) and the best sorption capacity and efficiency in both systems due to the small pores size and higher frequency of pores. Langmuir and Freundlich isotherm models well defined the sorption mechanisms. The Langmuir model represented the best fit of experimental data for PU/20%AR with a maximum adsorption capacity of 16.86 g/g. The PU/20%AR presented reusability of 7 cycles, conserving their hydrophobicity after the process. Therefore, AR is an innovative route as fillers in PU foams for discarded vegetable oil sorption, and the circular economy can benefit from the reuse of discarded vegetable cooking oil.

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“…The metal elements such as Lead (Pb), Iron (Fe), Tin (Sn), Cadmium (Cd), and Zinc (Zn) will negatively affect human health. The presence of these metals, even in small amounts, will still endanger the health of people who get long metal exposure (Sugiastuti et al, 2006, Martini et al, 2020, Roslinda et al, 2013.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Temperature and Time on the Migration of Lead Metal (Pb) Ions in Canned Orange Juice Drink Using Atomic Absorption Spectrophotometry Analysis

Roni¹,

Elfidiah²,

Pasongko³

et al. 2021

PTQ

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Background: Indonesia is a country that has a tropical climate throughout the year along with relatively less difference of temperature during both dry and rainy seasons. The mobile community influences people’s interest in packaged drinks, including canned fruit juice. However, the first obstacle is the condition of the place and the temperature-related heavy metal lead (Pb) migration in canned orange juice drinks. Methods: This study focused on the relationship between Pb metal content, storage treatment, storage temperature, and storage time. This study used a canned orange juice drink from the distributor warehouse of Palembang city, standard Pb(NO3)2 (Merck) powder, 0.5 mol/l concentrated HNO3 solutions (Merck), concentrated HCl solution (Merck), demineralized water, Buffer pH 4.7, and 10. The sample was conducted from 5 °C to 40 °C with the testing period within 1-30 days. The sample at certain day intervals would then be tested to change pH and Pb ion concentration using the Atomic Absorption Spectrophotometry (AAS) test. Results and Discussion: In this study, the sample of orange juice was given different treatments, and each treatment has a differentiated analysis code consisting of S-SBJ-1-1 (Distributor warehouse) for one day of storage time, and the codes for 10 of storage time are SSBJ-10-1 (Freezer, temperature 5 °C), S-SJB-10-2 (Refrigerator, temperature 20 °C), S-SJB-10-3 (Homeroom, temperature 28 °C), S-SJB-10-4 (Oven, temperature 40 °C), S-SJB-10-5 (Open space, temperature 22°C - 38 °C). Furthermore, codes for 30 days of sample storage are S-SBJ-30-1 (Freezer, temperature 5 °C), S-SJB-30-2 (Refrigerator, temperature 20 °C), S-SJB-30-3 (Room house, temperature 28 °C, S-SJB-30-4 (Oven, temperature 40°C), and S-SJB-30-5 (Open space, temperature 22 °C-38 °C). Conclusions: Temperature and time have a significant influence on the migration of the heavy metal lead (Pb) from the can to orange juice drinks, and, for the minimum pH value, there is a less significant change. Overall, canned fruit juice should be stored at a temperature below 28 °C, and the drink is protected from direct sunlight and high humidity.

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Modified eucalyptus bark as a sorbent for simultaneous removal of COD, oil, and Cr(III) from industrial wastewater

Cited by 43 publications

References 60 publications

Technology for Treating Oily Wastewater Derived from Various Industries: A Review Paper

Technology for Treating Oily Wastewater Derived from Various Industries: A Review Paper

Eco‐friendly foams of castor oil based‐polyurethane with Artemisia residue fillers for discarded vegetable oil sorption

The Effect of Temperature and Time on the Migration of Lead Metal (Pb) Ions in Canned Orange Juice Drink Using Atomic Absorption Spectrophotometry Analysis

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