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Hence, this state-of-art strategy supplies a new approach for the fire hazards suppression of thermoplastic polymers.Hydroblasting is used to remove biofouling and exhausted antifouling paints from ship hulls. Effluents generated from this process contain paint particles, metals, and booster biocides that may have toxic effects on organisms. To understand the potential risks of effluent discharge on marine environments, we analyzed the concentrations of metals in effluents collected during the dry-dock cleaning of ship hulls by hydroblasting. Copper and zinc were the principal metals, with concentrations ranging from 1440 to 9110 μg/L and 1800 to 22,600 μg/L, respectively. These concentrations are sufficiently high to cause harmful effects to most marine organisms. Model predictions suggested that the effluent discharge from hydroblasting posed risks to the wider marine environment of a hull-cleaning site, depending on the scale of the hull-cleaning operations and the size of the receiving environment, as well as various hydrodynamic factors. These effluents are inevitably hazardous, and their environmental release should be managed and regulated on the basis of site-specific risk assessments.Polycyclic aromatic hydrocarbons (PAHs) are degraded by the highly efficient degrading bacterium Bacillus cereus. Transmembrane transport is highly important in PAH degradation by bacteria. Surfactants are the key substances that promote PAH adsorption, uptake and transmembrane transport by Bacillus cereus. In this study, the isobaric tags for relative and absolute quantitation (iTRAQ) approach was used for high-throughput screening of key functional proteins during transmembrane fluoranthene transport by Bacillus cereus treated with Tween 20. In addition, SWISS-MODEL was used to simulate the tertiary structures of key transmembrane proteins and analyze how Tween 20 promotes transmembrane transport. Transmembrane fluoranthene transport into Bacillus cereus requires transmembrane proteins and energy. Tween 20 was observed to improve bacterial motility and transmembrane protein expression. The interior of representative transmembrane proteins is mostly composed of hydrophobic β-sheets while amphipathic α-helices are primarily distributed at their periphery. The primary reason for this configuration may be α-helices promote the aggregation of surfactants and the phospholipid bilayer and the β-sheets promote surfactant insertion into the phospholipid bilayer to enhance PAH transport into Bacillus cereus. Investigating the effect of Tween 20 on Bacillus cereus transmembrane proteins during transmembrane fluoranthene transport is important for understanding the mechanism of PAH degradation by microorganisms.The drawback of biochar as a soil ameliorant is its low-nutrient content while the bottleneck of struvite production is its high chemical cost. This drew the idea of using designed biochar for nutrient recovery from nutrient-rich wastewater as struvite. Durvalumab Mg-biochar was used for simultaneous P and N recovery from sewage sludge ash (SSA) and food wastewater (FW) by using ground coffee bean (GCB) and palm tree trunk (PTT) waste. PTT Mg-biochar could recover 92.2% of PO43–P and 54.8% of NH4+-N while GCB Mg-biochar could recover 79.5% of PO43–P and 38.6% of NH4+-N. Adsorption, precipitation and cation-exchange mechanisms are involved in the Mg-biochar for the simultaneous recovery of PO43–P and NH4+-N as struvite. Mg-biochars also showed higher struvite selectivity than the control samples. This method not only supports waste recycling and pollution mitigation but also highlights economical struvite production and the benefits of CO2 sequestration.Covalent triazine frameworks (CTFs) as a kind of covalent organic framework (COF) materials show great potential for practical application by virtue of their high stability and facile large-scale synthesis. In this work, we developed three CTFs (MSCTF-1, MSCTF-2, and xSCTF-2) of different pore size decorated with S-groups using different functionalization methods for achieving selective Hg2+ removal from aqueous solutions. The material structures were comprehensively studied by gas adsorption, IR and XPS, etc. Among them, the MSCTF-2 with 24.45% S content showed the highest Hg2+ adsorption capacity of 840.5 mg g‒1, while MSCTF-1 exhibiting much larger distribution coefficient of 1.67 × 108 mL g‒1 renders an exceptionally high efficiency for reducing the concentration of Hg2+ contaminated water to less than 0.03 μg L‒1. Moreover, the MSCTFs show distinct features of (i) high selectivity toward Hg2+ over various transition metal ions; (ii) high stability over a wide pH range from pH 1 to 12; and (iii) good recyclability with 94% of Hg2+ removal over five consecutive cycles. The Hg2+ adsorption on functionalized CTFs followed pseudo-second-order kinetics and Langmuir isotherm. Our results revealed the material structure-performance relationship that the adsorption capacities depend on the binding site density whereas the distribution coefficient is essential to the removal efficiency.The production of lignin micro-/nano-particles (LMNPs) has gained growing interest due to their eco-friendly feature and biological compatibility with negligible hazardous impacts. Herein, this work carefully addresses the preparation of LMNPs from different types of biomass, including pine wood, birch wood, pubescens, vinasse, corncob and corncob residue. Firstly, ligno-oligomers were produced from each biomass through a H2O-THF co-solvent system. Then, LMNPs were generated from these effluents. Uniform and spherical LMNPs, consisting of benzene ring-stacked cores and hydrophilic shells, were obtained only from the liquids yielded by the treatment of the corncob residue and pine wood. The characterization of the ligno-oligomers and the LMNPs revealed that the molecular weights of the ligno-oligomers did not exert a significant effect on their self-assembly capability. The presence of guaiacyl units connected by β-O-4 and β-β linkages was beneficial for the π-π stacking of the benzene rings into compact cores, while the existence of β-5 linkages and Cα-oxidized side-chains exerted a negative effect.