Nanofiltration membrane cross‐linked by <i>m</i>‐phenylenediamine for dye removal from textile wastewater

Gunawan, Felicia Marcella; Mangindaan, Dave; Khoiruddin, Khoiruddin; Wenten, I Gede

doi:10.1002/pat.4473

Cited by 45 publications

(16 citation statements)

References 49 publications

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“…4 shows that addition of nano ZnO to the psf membrane increased its porosity to 64 % at nano ZnO 1 wt%. The increase in porosity due to the presence of nano ZnO resulted in the formation of microvoids between the PSFnano ZnO membrane matrices [36]. However, an increase in nano ZnO concentration resulted in a decrease in porosity of up to 62 % at 1 wt% nano ZnO.…”

Section: The Effect Of Pva Modification On the Porosity Of The Psf-nano Zno Membranementioning

confidence: 99%

Improving the Performance of Polysulfone-nano ZnO Membranes for Water Treatment in Oil Refinery with Modified UV Irradiation and Polyvinyl Alcohol

Hidayah

Kusworo

Susanto

2021

Period. Polytech. Chem. Eng.

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Refinery wastewater is generated from the process of refining large amounts of oil. Oil refined wastewater contains micron-scaled emulsion droplets, and sub-micron droplets that are difficult to remove from water, which poses problems for researchers. Membrane technology is widely used in water treatment because it is very selective and effective in the filtration process. This research focuses on oil refinery water treatment using polysulfone (PSF) membrane ZnO nano composites modified with ultraviolet (UV) irradiation and polyvinyl alcohol. This membrane was prepared using the dry / wet phase inversion method. Then-the membrane was modified using UV irradiation and coated with polyvinyl alcohol (PVA). PSF-nano ZnO modifications have an impact on membrane performance; UV irradiation showed an increase in the value of membrane pure water flux from 4.5 Lm–2h–1 to 5.7 Lm–2h–1. However, after UV irradiation, the rejection value decreased after UV irradiation, whereas the presence of PVA as a coating agent increased the rejection value to 77.2 % for Total Dissolve Solid (TDS) rejection, 76 % for Chemical Oxyugen Demand COD rejection, and 65.3 % for ammonia rejection. This value was higher than that obtained for membranes without PVA coating, namely only 47.3 % for TDS, 51.1 % for (COD), and 29.4 % for ammonia rejection. Modifications with UV and PVA irradiation provide interrelated effects to improve membrane performance.

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Section: The Effect Of Pva Modification On the Porosity Of The Psf-nano Zno Membranementioning

confidence: 99%

Improving the Performance of Polysulfone-nano ZnO Membranes for Water Treatment in Oil Refinery with Modified UV Irradiation and Polyvinyl Alcohol

Hidayah

Kusworo

Susanto

2021

Period. Polytech. Chem. Eng.

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“…The flux value of a membrane can be calculated by comparing the membrane permeate flow rate per unit area per unit time per unit pressure. [18]. The longer the filtration time, the pressure of the filtration process will also increase.…”

Section: Effect Of Fe2o3 Concentration On Membrane Fluxmentioning

confidence: 99%

Synthesis and Characterization of Polyacrilonitrile-Fe2o3 Membrane Nano Composites for Oil Refinery Liquid Waste Separation

Hidayah¹,

Fitasari²,

Ma’ruf³

et al. 2021

Proceedings of the International Conference on Science and Engineering (ICSE-UIN-SUKA 2021)

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Synthesis of nano-composite membranes using a phase inversion technique with polymer polyacrilonitrile-fe2o3 membrane for the separation of oil refinery effluent by coating using crosslinked PVA obtained results about the effect of the concentration of nano-composite polyacrilonitrile-Fe2O3 membrane on membrane performance can increase flux and rejection because Fe2O3 has properties that can increase hydrophilic properties. The effect of the duration of ultra violet irradiation on the performance of nano-composite polyacrilonitrile-Fe2O3 membrane for the separation of oil refinery wastewater, makes the membrane flux value increase but the rejection value decreases. The addition of PEG to increase the work and characterization of nano-composite membranes in the separation of oil refinery waste increases. Significant results can be seen from SEM, fourier transform electron microscopy (FTIR) and mechanical tests on membranes.

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“…Recently, membrane technology has been widely applied due to its high separation capacity, selective separation, smaller footprint, low investment cost, and energy efficiency [10,18]. Membrane integration on microalgae cultivation could scale up the treatment capacity as well as raising the CO2 mass transfer to the liquid phase [19][20][21].…”

Section: Introductionmentioning

confidence: 99%

High cell density submerged membrane photobioreactor (SMPBR) for microalgae cultivation

Steven

Friatnasary

Wardani

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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Microalgae have been extensively studied as a potentially sustainable biomass resource. However, its cultivating and harvesting system faces many challenges due to the low cell density of microalgae. Recently, membrane technology in microalgae cultivation is believed to improve the CO2 gas-liquid mass transfer. It could generate more uniform microbubbles to prolong the gas retention time in the culture solution. This study used a submerged membrane photobioreactor (SMPBR) based on a hydrophobic polypropylene membrane as a CO2 diffuser for producing high cell density microalgae. The SMPBR performance during Chaetoceros calcitrans batch cultivation in a modified f/2 (Guillard) medium was investigated. Results show that Chaetoceros calcitrans growth follows a sigmoid mode without a lag phase until it reaches the stationary and death phase. Cultivation using SMPBR also intensified the biomass concentration, initially from 7.0 x 106 cells/mL up to 4.8 x 108 cells/mL. In 7 days of cultivation under 3% of CO2 and 1.8 L/min of inlet gas flow rate, a maximum biomass concentration of 2.1 g/L was achieved with a maximum specific growth rate of 2.1 day1. Results show that the SMPBR configuration effectively supplies CO2 to a microalgae culture due to the high CO2 transfer in the medium. Moreover, it has the potential application for producing high cell density microalgae.

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Nanofiltration membrane cross‐linked by m‐phenylenediamine for dye removal from textile wastewater

Cited by 45 publications

References 49 publications

Improving the Performance of Polysulfone-nano ZnO Membranes for Water Treatment in Oil Refinery with Modified UV Irradiation and Polyvinyl Alcohol

Improving the Performance of Polysulfone-nano ZnO Membranes for Water Treatment in Oil Refinery with Modified UV Irradiation and Polyvinyl Alcohol

Synthesis and Characterization of Polyacrilonitrile-Fe2o3 Membrane Nano Composites for Oil Refinery Liquid Waste Separation

High cell density submerged membrane photobioreactor (SMPBR) for microalgae cultivation

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