FeLaO fabricated biochar for removal of phosphorus in water and exploration of its adsorption mechanism.

Phosphorus (P) runoff from untreated wastewater and agricultural runoff has become an issue of concern because excessive P is detrimental to the health of water bodies and aquatic organisms such as fishes. Hence, different methods are being developed to salvage this challenge. However, most of the methods are expensive, while some are unsustainable.

Hydrothermal carbonization of alfalfa: role of processing variables on hydrochar properties.

Hydrothermal carbonization of alfalfa is a potential way to reuse agricultural waste. However, the effects of hydrothermal conditions on the properties of alfalfa-derived hydrochar are not clear. Herein, this study investigated the impact of different synthesis conditions (e.

Surface modification of spent coffee grounds using phosphoric acid for enhancement of methylene blue adsorption from aqueous solution.

In this study, the surface of the spent coffee grounds (SCG) was activated using phosphoric acid to increase the removal efficiency of methylene blue (MB) in aqueous solution, which is one of the harmful substances emitted in industrial processes. According to Fourier transform infra-red analysis, after phosphorylation of the SCG (PSCG), P = O group, P-O-C (aromatic) bond, P = OOH and P-O-P were newly introduced on the surface of the adsorbent, and the peaks of carboxyl groups and OH-group were large and broad. In addition, the surface area and mesopore range of the PSCG adsorbent were increased, and the structure changed, which enabled easy adsorption of MB.

Enhanced phosphate scavenging with effective recovery by magnetic porous biochar supported La(OH): Kinetics, isotherms, mechanisms and applications for water and real wastewater.

Herein, La(OH) decorated magnetic porous biochar (MPBC) was synthesized via KHCO activation and hydrothermal processes. The La-to-MPBC mass ratio of 3:1 described as La-MPBC possessed a monolayer phosphate adsorption capacity of 116.08 mg/g across a pH range of 3.

Monobutyl phthalate (MBP) induces energy metabolism disturbances in the gills of adult zebrafish (Danio rerio).

Monobutyl phthalate (MBP) is a primary metabolite of an environmental endocrine disruptor dibutyl phthalate (DBP), which poses a potential threat to living organisms. In this research, the acute toxicity of MBP on energy metabolism in zebrafish gills was studied. Transmission electron microscopy (TEM) results show that 10 mg L MBP can induce mitochondrial structural damage of chloride cells after 96 h of continuous exposure.