Beneficial effects of treating waste secondary sludge with thermally activated persulfate

Balcıoğlu, Işıl Akmehmet; Oncu, Nalan Bilgin; Mercan, Nazire

doi:10.1002/jctb.5108

Cited by 18 publications

(1 citation statement)

References 57 publications

(117 reference statements)

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“…UV/TiO 2 oxidation Dye wastewaters, pulp and paper mill wastes [6,160] UV/ozone oxidation process Wastewaters [161] Adsorption on activated carbon 4-chlorophenol, 4-bromophenol, 4-iodophenol, 2,4,6-trichlorophenol, landfill leachates [162][163][164] Biochar remediation Degradation of halogenated organics [165] Al(III) coagulation/carbon adsorption process Dye wastewaters [166] H 2 O 2 /UV oxidation Pharmaceutical wastes [65,76,167] Mechanochemistry Wastes [168,169] Thermally activated persulfate by microwave heating (S 2 O 8 2-/MW) Secondary waste sludge [170] Anionic exchanger DEAE-cellulose Drinking water [171] Supercritical water oxidation (SUWOX) Industrial wastes [172] Magnetically re-extractable nanoscale Pd-on-magnetite catalyst (Pd/Fe 3 O 4 ) Wastewaters [173] Multi-barrier treatment Municipal wastewaters [174] Photo-Fenton process UV/H 2 O 2 /Fe 2+ Pulp mill effluents [40] UV/persulfate oxidation process Saline wastewater [175] UV/TiO 2 /Ru x Se y oxidation system Paper industry wastes [123] Pd/AC catalyst Kraft pulp bleaching wastes [176] UV/TiO 2 /granular activated carbon 4-halogenophenols [177] UV/H 2 O 2 /TiO 2 system Pulp and paper wastes [178] UV/sodium hypochlorite Phenol's degradation [179] Physical Hot water extraction of hemicellulose Paper and pulp industry wastewaters [58,180] Distillation and membrane processes Pharmaceutical wastes [34] Distillation Chemical wastes [181] Centrifugation and drying Sludge [97] Nanofiltration Paper and pulp industry wastes [182] Biochemical Xylanase and laccase enzymes (obtained from Bacillus pumilus and Ganoderma sp., respectively)…”

Section: Physicochemicalmentioning

confidence: 99%

A Review on Adsorbable Organic Halogens Treatment Technologies: Approaches and Application

2023

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Halogen-containing organic substances have a detrimental and toxic impact on the environment and human health due to their high stability, carcinogenic effects, and ability to accumulate when ingested. The production and release of these substances have significantly increased in recent decades, resulting in a lack of effective treatment technologies. Adsorbable organic halogens (AOX), a specific parameter used to monitor pollution, represents the total amount of chlorinated, brominated, and iodinated organics that can be adsorbed on activated carbon from various environments. This paper provides an overview of selected articles from the past three decades (1990–2023) focusing on the primary natural and industrial sources of AOX. It also evaluates different determination techniques and a variety of removal approaches based on biological, physical, chemical, and combined processes. Additionally, the limitations and efficiency of these approaches are briefly characterized. While biochemical and physical methods have been limited by financial constraints and reduced efficiency, biological, chemical, and physicochemical techniques have shown significant potential in improving water quality. This knowledge can be valuable for the development of alternative water treatment techniques and underscores the importance of sustainable water usage.

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Section: Physicochemicalmentioning

confidence: 99%

A Review on Adsorbable Organic Halogens Treatment Technologies: Approaches and Application

2023

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Anaerobic re‐digestion of digested sludge post‐treated by ultrasound: effect of the adding linear alkylbenzene sulfonate

Shao

Lü

et al. 2018

J of Chemical Tech & Biotech

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BACKGROUNDIncreasing the degradation ratio of organic matter is one of the key challenges for sludge anaerobic digestion. The conventional solution is by directly treating the raw sludge so as to enhance the sludge degradation. In contrast, the target of the present study was digested sludge enriching in refractory organic matter. The method proposed to improve the organic degradation of digested sludge uses ultrasound combined with linear alkylbenzene sulfonate (LAS) to control flocs re‐flocculation.RESULTSGas production of the sludge treated with the highest ultrasound energy (360 W, 20 min) was only 57.7 ± 0.3 mL‐CH4 g‐1‐VSadded, and the sludge treated with lower ultrasound energy (120 W, 20 min) with LAS had the highest gas production, up to 92.5 ± 8.5 mL‐CH4 g‐1‐VSadded. Meanwhile, the total VS degradation of 120 W, 20 min with LAS was up to 69.6 ± 5.2%. And the gas production of 360 W, 5 min with LAS was 27.1% higher than that of 360 W, 5 min without LAS.CONCLUSIONThese results revealed that digested sludge treated by ultrasonication could be further degraded, and the addition of LAS could significantly improve the re‐digestion performance with less energy. © 2018 Society of Chemical Industry

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Fate of perfluorooctanoic acid (PFOA) in sewage sludge during microwave-assisted persulfate oxidation treatment

Hamid

2018

Environ Sci Pollut Res

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The fate of perfluorooctanoic acid (PFOA) has been investigated for an emerging sludge treatment technique using microwave heating-assisted persulfate (PS) oxidation. The effect of heating temperature (20, 50, and 70 °C) and PS dose (PS1: 0.01; PS2: 0.1; PS3: 0.2 g/g wet sludge) was studied in sludge spiked with PFOA at an environmentally relevant concentration (200 ng/g wet weight). Control degradation experiments using spiked sludge without PS addition and background sludge (no PFOA spike) with PS addition were also conducted at each temperature. Sludge samples were analyzed for eight perfluorocarboxylic acids (PFCAs) (C4 - C11) using LC-MS/MS. At 20 °C (PS2 dose), minimal (~ 5%) removal of the spiked PFOA was observed after 72 h, suggesting the need for elevated treatment temperature. For the same PS dose (0.1 g /g sludge), treatment at 50 and 70 °C showed a decrease in PFOA concentration with increasing temperature, with ~ 28 and ~ 42% removal following 4 h of treatment. No significant increase in degradation was observed for the highest dose (PS3) after 2 h, possibly indicating self-scavenging of PS at high dosage. Due to the low initial spiking concentration of PFOA and low extraction recovery, all shorter-chain PFCAs (< C8), the degradation products of PFOA, were below quantification limits in all sludge samples.

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Beneficial effects of treating waste secondary sludge with thermally activated persulfate

Cited by 18 publications

References 57 publications

A Review on Adsorbable Organic Halogens Treatment Technologies: Approaches and Application

A Review on Adsorbable Organic Halogens Treatment Technologies: Approaches and Application

Anaerobic re‐digestion of digested sludge post‐treated by ultrasound: effect of the adding linear alkylbenzene sulfonate

Fate of perfluorooctanoic acid (PFOA) in sewage sludge during microwave-assisted persulfate oxidation treatment

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