Wastewater treatment equipment and method

The invention is applicable to the technical field of wastewater treatment, and provides wastewater treatment equipment. The equipment comprises a chemical reaction device, a filter pressing device, an electrodialysis device and a membrane filtration device. Compared with the prior art, the wastewater treatment equipment disclosed by the invention integrates the chemical reaction device, the filter pressing device, the electrodialysis device and the membrane filtration device, has multiple functions, and can be used for generating adsorption precipitates by utilizing the chemical reaction device, so that pollutants in wastewater can be solidified and precipitated without generating secondary pollution, and non-biodegradable organic matters in the wastewater are effectively removed; and flocculent precipitates generated in the wastewater can be effectively removed by utilizing the filter pressing device; the electrodialysis device is arranged behind the chemical reaction device, so that free metal ions and oth