From solubility to efficiency: Per- and polyfluoroalkyl substances (PFAS) regeneration from anion exchange resins.

This study investigated the regenerability of anion exchange resins for per- and polyfluoroalkyl substances (PFAS), focusing on the interaction between regenerant composition and resin characteristics. The influence of salt type and concentration on PFAS solubility revealed a general decline in perfluorohexane sulfonate (PFHxS) solubility with increased salt concentrations, most strongly with KCl followed by NaCl and NHCl. Mixed solubility results were observed for perfluorooctanoate (PFOA) and perfluorooctane sulfonate (PFOS).

Dolomite dissolution, pH neutralization, and potentially toxic element immobilization in stormwater bioretention beds.

The importance of pH in stormwater bioretention beds cannot be overstated since it impacts plant and microbial populations and removal of potentially toxic elements (PTEs) from stormwater runoff. This study investigated the effects of dolomite amendment on pH neutralization and subsequent PTE immobilization in bioretention media. To assess dolomite dissolution, pH neutralization, and PTE immobilization, engineered bioretention media was amended with different dolomite ratios and samples of dolomite-amended media were collected from two bioretention beds, one and two months after installation.

Science and technical priorities for private sector action to address biodiversity loss.

Target 15 of the Kunming-Montreal Global Biodiversity Framework recognizes the importance of the private sector monitoring, assessing and disclosing biodiversity-related risks, dependencies and impacts. Many businesses and financial institutions are progressing with science-based assessments, targets and disclosures and integrating into strategy, risk management and capital allocation decisions. Developments will continue in response to investor expectations, emerging corporate sustainability reporting regulations in Europe, China and elsewhere and evolving global sustainability reporting standards.

Dialogical and Relational Taster Training (DARTT): Service User, Carer & Public Perception.

In response to the paucity of training in therapeutic relationships and relational care for mental health clinicians, a new three-day training programme has been developed called Compassionate and Relational Enquiry (CARE). A condensed version of this training was recently delivered to mental health service users, carers and the public during a one-day online taster session- named Dialogical And Relational Taster Training (DARTT) - to understand their perception of this training programme. 21 people took part in this taster training day and subsequently completed a survey about their impression of different elements of the training.