Tempe Waste Water Degradation Using TiO<sub>2</sub>-N/Bentonite alginate Granule Photocatalyst with Ultraviolet Light Irradiation

Nisaa, Aldila Khoirun; Wardhani, Sri; Purwonugroho, Danar; Darjito,

doi:10.1088/1757-899x/299/1/012030

Cited by 4 publications

(4 citation statements)

References 4 publications

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“…Gram‐positive and Gram‐negative bacteria from tempeh wastewater were grown on selective media and selected before being added to the MFC reactor by 1 and 5 mL, resulting in reduction in chemical oxygen demand and biochemical oxygen demand levels by up to 29.32% and 51.32%, respectively (Arbianti et al., 2018). TiO 2 ‐N/bentonite–alginate can also be used to decompose tempeh waste water for approximately 53.66% degradation (Nisaa et al., 2018).…”

Section: Resultsmentioning

confidence: 99%

“…Gram-positive and Gramnegative bacteria from tempeh wastewater were grown on selective media and selected before being added to the MFC reactor by 1 and 5 mL, resulting in reduction in chemical oxygen demand and biochemical oxygen demand levels by up to 29.32% and 51.32%, respectively (Arbianti et al, 2018). TiO 2 -N/bentonite-alginate can also be used to Winarno et al, 1985) decompose tempeh waste water for approximately 53.66% degradation (Nisaa et al, 2018). For large-scale tempeh industries that include soybean harvesting, up to 6.8 mL of biohydrogen can be generated from each gram of soybean straw and sludge, which contain carbohydrates (cellulose, hemicellulose, and lignin) and methane that can be digested using microbial consortiums consisting of Clostridium butyricum and Clostridium roseum in an anaerobic digester (Rengga et al, 2017).…”

Section: Treatment and Utilization Of Production Wastementioning

confidence: 99%

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Tempeh: A semicentennial review on its health benefits, fermentation, safety, processing, sustainability, and affordability

Ahnan-Winarno

Cordeiro

Winarno

et al. 2021

Comp Rev Food Sci Food Safe

147

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Tempeh is a fermented food made of mainly soybeans and is a nutritious, affordable, and sustainable functional source of protein. Globally, tempeh is a widely accepted fermented product. Although there is a growing body of literature on tempeh, most research has focused on unfermented soybeans, thus the impact of tempeh fermentation on biological properties of soybeans has been largely left scattered. The objective of this review is to summarize the literature of tempeh fermentation over the past 60 years. A search of articles on tempeh published from 1960 to 2020 was performed using the Cochrane Library, Web of Science, EBSCOhost FSTA database, and Google Scholar. References from identified articles were reviewed for additional sources. In total, 321 papers were selected for this review, of which 64 papers were related to the health benefits of tempeh. This review concluded that sufficient evidence exists in the literature supporting tempeh fermentation as a low‐cost, health‐promoting, and sustainable food processing technology to produce protein‐rich foods using various beans, legumes, and grains. This comprehensive review suggests further studies are needed on tempeh fermentation and its impact on human health; research and standardization of nonsoy tempeh; assessment of food safety‐improving modification in tempeh production system; and initiatives supporting the sourcing of local ingredients in tempeh production.

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Section: Resultsmentioning

confidence: 99%

Section: Treatment and Utilization Of Production Wastementioning

confidence: 99%

Tempeh: A semicentennial review on its health benefits, fermentation, safety, processing, sustainability, and affordability

Ahnan-Winarno

Cordeiro

Winarno

et al. 2021

Comp Rev Food Sci Food Safe

147

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“…The Fe 3 O 4 photocatalyst is formed into granules with the addition of alginate to facilitate the photodegradation process. Alginate is widely used as thickening agent, gelling agent, and emulsifier because the material is non-toxic, simple to use, does not require special equipment, is non-toxic, economical, and can also be a protective material supporting SiO 2 (Nisaa et al, 2018) . An optimal amount of catalyst in wastewater treatment is required to prevent excess catalyst and ensure efficient absorption of total photons.…”

Section: Introductionmentioning

confidence: 99%

Fe3O4-SiO2-Alginate Photocatalyst for Textile Dyes Waste Degradation

Wardhani

Mardiansyah²,

Purwonugroho

2023

Sci. Technol. Indones

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Fe3O4 is a photocatalyst that is used to degrade textile dye waste which can be collected and reused. Fe3O4 was prepared by coprecipitation method, then impregnated with SiO2 and sodium alginate. The purposes of this study were to investigate the degradation of textile dye waste using a Fe3O4-SiO2-alginate photocatalyst, to examine the light and dark test of photocatalyst under the influence of concentration and irradiation time. The type of light used was a 14.5-watt Philips LED lamp with a wavelength of 400-640 nm. Photocatalyst characterizations were conducted using FTIR, UV-Vis DRS, and XRD. The light and dark test of photocatalyst was carried out by photodegradation of textile dye waste with 0.5 g of photocatalyst with concentrations of 5%, 10%, and 15% and irradiation times were varied for 60, 90, 120 min. The degradation results were measured by calculating the COD value. The results of characterization by FTIR showed that the photocatalyst Fe3O4-SiO2-Alginate had absorption at wavelengths of 637.56 cm−1 and 3365.86 cm−1 which indicated the Fe-O-Si functional group and O-H stretching vibration. Results of UV-Vis DRS were analyzed using Origin Pro 2022 and revealed that the band energy gap for Fe3O4 and Fe3O4-SiO2 were 2.20 eV and 1.77 eV, respectively. The XRD results analysis with Match!3 software showed that for Fe3O4 had magnetite phases, while SiO2 had amorphous cristobalite phases. The 15% (w/v) Fe3O4 concentration in the form of powder and granules degraded batik liquid waste by 79.6% and 84.48%, respectively.

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“…The Fe3O4/SiO2 photocatalyst is formed into granules by adding alginate to facilitate photodegradation. Alginate is widely used as a thickener, gelling agent, and emulsifier because it is non-1267 (2023) 012059 IOP Publishing doi:10.1088/1755-1315/1267/1/012059 2 toxic, economical, and can be used as a protective material for SiO2 supports [7]. Wardhani et al [8] succeeded in synthesizing Fe3O4/SiO2/Alginate made from rice husk silica and was able to degrade dye waste up to 84.48% with a Fe3O4 band gap energy of 2.20 eV and when SiO2 was added the band energy decreased to 1.77 eV.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and characterization of Fe₃O₄/SiO₂/Alginate photocatalyst from tin tailings for batik cual waste degradation

Andini,

Fabiani,

Putri

2023

IOP Conf. Ser.: Earth Environ. Sci.

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Fe3O4/SiO2/Alginate as photocatalyst for degradation of Batik Cual Waste has been synthesized. This study aimed to determine the degradation of cual batik waste using Fe3O4/SiO2/Alginate photocatalyst assisted by UV-C light. In this research, Fe3O4 was synthesized through the coprecipitation method, then coated with SiO2 and sodium alginate The source of SiO2 used comes from tin tailings sand. SiO2 content in tin tailings is 87.45%. UV DRS analysis showed that the band gap energies of SiO2, Fe3O4, Fe3O4/SiO2, Fe3O4/SiO2/Alginate were 1.76 eV, 1.61 eV, 2.04 eV and 1.59 eV, respectively. XRD analysis showed that the Fe3O4/SiO2 composite was successfully formed in the presence of typical diffraction peaks for silica quartz and magnetite on the composite diffractogram. Based on the percent degradation data, it was obtained that the optimal degradation time using the Fe3O4/SiO2/Alginate composite was 96.73% at 30 minutes.

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Tempe Waste Water Degradation Using TiO₂-N/Bentonite alginate Granule Photocatalyst with Ultraviolet Light Irradiation

Cited by 4 publications

References 4 publications

Tempeh: A semicentennial review on its health benefits, fermentation, safety, processing, sustainability, and affordability

Tempeh: A semicentennial review on its health benefits, fermentation, safety, processing, sustainability, and affordability

Fe3O4-SiO2-Alginate Photocatalyst for Textile Dyes Waste Degradation

Synthesis and characterization of Fe₃O₄/SiO₂/Alginate photocatalyst from tin tailings for batik cual waste degradation

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Tempe Waste Water Degradation Using TiO2-N/Bentonite alginate Granule Photocatalyst with Ultraviolet Light Irradiation

Cited by 4 publications

References 4 publications

Tempeh: A semicentennial review on its health benefits, fermentation, safety, processing, sustainability, and affordability

Tempeh: A semicentennial review on its health benefits, fermentation, safety, processing, sustainability, and affordability

Fe3O4-SiO2-Alginate Photocatalyst for Textile Dyes Waste Degradation

Synthesis and characterization of Fe3O4/SiO2/Alginate photocatalyst from tin tailings for batik cual waste degradation

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Tempe Waste Water Degradation Using TiO₂-N/Bentonite alginate Granule Photocatalyst with Ultraviolet Light Irradiation

Synthesis and characterization of Fe₃O₄/SiO₂/Alginate photocatalyst from tin tailings for batik cual waste degradation