Background & objectives: Pharmaceutical wastewater contains high concentrations of organic matter, high salt and difficult biodegradability, so it must be treated before discharge to the environment. In this study, it is aimed to evaluate the treatment of pharmaceutical wastewater (methadone feedstock and neutralized capecitabine) using chemical and biological methods. Methods: The laboratory ...

Aiming at the black and odor problem of gushing water sediment a river in Shenzhen, based on results sampling testing, we independently developed an in-situ oxidation remediation agent for polluted composed oxidants, flocculants pH regulators, carried out repair chemical agents without with overlying indoor test to verify. The monitoring show that can not only significantly reduce ammonia nitro...

The reproducibility of settling tests performed on a simple, portable laboratory settling kit has been evaluated statistically and found to be acceptable. A range of partially hydrolysed polyacrylamide flocculants, having differing degrees of hydrolysis, was tested and the optimum degree of hydrolysis for Mount Edgecombe juices was found to lie between 45 and 50 %. Introduction The clarificatio...

This preliminary study aims to obtain the lithium compounds from a geothermal brine through solvent extraction. The samples were collected PT Geodipa Energi Geothermal Power Plant in Dieng, Central Java, Indonesia. ICP analysis was conducted measure chemical composition. Brine’s content 62.73 ppm with dominant impurities silica (Si), calcium (Ca), potassium (K), sodium (Na), and boron (B). Sili...