Eliminating tetracycline antibiotics matrix via photoactivated sulfate radical-based advanced oxidation process over the immobilized MIL-88A: Batch and continuous experiments

A comprehensive review on persulfate activation treatment of wastewater.

Selective photodegradation of tetracycline by molecularly imprinted ZnO@NH2-UiO-66 composites

A review of microwave-assisted advanced oxidation processes for wastewater treatment

A review of microwave-assisted advanced oxidation processes for wastewater treatment.

Removal of chlortetracycline by nano- micro-electrolysis materials: Application and mechanism.

Study on the mechanism of degradation of tetracycline hydrochloride by microwave-activated sodium persulfate

Removal of hexavalent chromium in aqueous solution using organic iron-based composites synthesized and immobilized by natural dried willow leaves

The invention discloses an electrochemical method for recycling high-ammonia nitrogen highly-phosphorized wastewater. The method comprises a process for recovering phosphorus from the wastewater to generate phosphate salts and a process for recovering nitrogen and phosphorus and heavy metals from the wastewater. The high-ammonia nitrogen highly-phosphorized wastewater undergoes simple impurity removal, and an electrolysis reaction of an electrolytic tank is carried out to make the obtained electrode reaction product and NH and PO in the high-ammonia nitrogen highly-phosphorized wastewater uniformly and rapidly form a struvite or phosphate precipitate which can be recovered. The method can realize the recycling of the nitrogen and phosphorus from the high-ammonia nitrogen highly-phosphorized wastewater only through a small amount of electric energy without adding reagents or adjusting the pH value.

Electrochemical method for recycling high-ammonia nitrogen highly-phosphorized wastewater

Biological phosphorus removal using an anaerobic–aerobic sequencing batch reactor (SBR) in a low temperature can be difficult to remove, and aeration always accounts for nearly half of the total electricity costs at many wastewater treatment plants. In this study, a pilot-scale anaerobic–critical aerobic SBR (A–CA SBR) was developed for synthetic domestic wastewater. More importantly, the phase, whose concentration of diffused oxygen was controlled at 1.0–1.5 mg/L, was defined as a critical aerobic phase, which reduced expenses during the operation. To be specific, half of the ammonia was removed within 10 days and no NO3−–N was accumulated during the process. From the SEM and metagenome analysis, Rhodocyclus, Zooglea, Dechloromonas, and Simplicispira had the ability to remove phosphorus and NO3−–N simultaneously, which proved the existence of a potential double-layer sludge structure under an A–CA operational condition. All of the results disclose that the pilot-scale A–CA SBR is a reliable manipulation strategy for phosphorus removal under low temperatures, which can hopefully apply to practical wastewater remediation.

https://www.mdpi.com/2073-4441/12/1/110/pdf

Optimization of Wastewater Phosphorus Removal in Winter Temperatures Using an Anaerobic–Critical Aerobic Strategy in a Pilot-Scale Sequencing Batch Reactor

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