Series TJ Coalescence-separation diesel fuel oil filtration system adopts advanced polymer fiber as the filter medium combined with the special oil-water separating device to make TJ is good at breaking emulsion and filtering. It can effectively separate water from oil. Series TJ diesel fuel oil filtration system can work online with turbine system for breaking emulsion and filtering, also it can separate particles and mass water from light oil. Series TJ diesel fuel oil filtration system works without heating and vacuum source, less power consumption, low operation cost. Series TJ diesel fuel oil filtration system use of trolley structure, light weight, easy operation.