Wastewater reclamation

In this work, a simple and cost-effective pretreatment upstream an UF membrane operation for the purification of the main olive mill effluent streams (OME) is examined. The raw wastewater was processed by a pH-temperature (T) flocculation process formerly studied at lab scale in previous work. In the p

An automatic vacuum membrane bioreactor (AVMBR) equipped with an on-line air–water–chemicals backwashing system was developed for a purpose of the reclamation of domestic wastewater (300–800 mg-COD/L) and traditional Chinese medicine (TCM) wastewater (259–12775 mg-COD/L). The experimental setups wer

An automatic pH–ORP (oxidation–reduction potential) titration device was developed and applied to dynamically control the wastewater chlorination and dechlorination doses in this study. In the pH–ORP titration and back-titration process, the monitoring peaks and valleys on the pH and ORP profiles co

Wastewater reclamation and reuse are being widely implemented due to the lack of fresh water. When salinity is a limiting parameter to obtain the required water quality for agricultural uses, a desalination step is necessary to achieve it. Therefore, techniques such as nanofiltration (NF) or reverse

The transmission and toxicity of metals and metalloids were initially investigated with various nanofiltration (NF) and seawater reverse osmosis (SWRO) membranes, under oxic condition, using wastewater effluent and seawater samples. Various metals and metalloids were categorized into three groups ac

The use of water from the wastewater reclamation plant serving the south of Barcelona, Spain, will contribute with new resources to help to solve the water scarcity problem that the Barcelona metropolitan area suffers at present. When the plant starts to operate, it is scheduled to reuse 50 Mm3/y of

Wastewater in Jordan can be characterized as very strong with high salinity and insignificant heavy metals and toxic organic compounds. For the past two decades Jordan has relied on waste stabilization ponds (WSP) to treat wastewater for reuse in agriculture. This has exacerbated the salinity proble

Concentration polarization and membrane fouling have limited the efficiency of reverse osmosis. Rotating filtration may minimize the effects of concentration polarization and membrane fouling by increasing the shear at the membrane surface. A second-generation high-pressure rotating reverse osmosis

The integrated system with microfiltration/electrodialysis was proposed for wastewater reclamation. The filterability of metal membrane, membrane fouling reduction by ozonated water and the effect of operational parameters were experimentally investigated. Backwashing by ozonated water showed stable

The objectives of this research were to evaluate two different processes using for wastewater reclamation in a hightech industrial park area in Taiwan. The major units of the first AC–RO–IE system included sand filter, an activated carbon (AC) bed, microfiltration module, a reverse osmosis (RO) memb