Actually, there should not be any difference. But there is a difference. Generally, engineering institutions produce Engineers. Whereas engineering technology institutions produce associate engineers.
The study in a school of engineers allows the future engineers to acquire scientific and technical skills, such as for example: modeling, process simulation, software development, dimensioning of manufacturing processes, analysis , Dosage, production, taking into account hygiene and safety rules and economic profitability. The machines used in these processes are chosen for reasons of productivity, cost, profitability and safety. These machines are the technology (s) used. They are developed in technological institutions on scientific bases. Thus, for the same scientific basis, several technologies can be found which are differentiated by the criteria of profitability, efficiency, safety, etc.
For example: desalination of water by humidification-dehumidification of the air can be carried out by several technologies: spraying of water in a stream of hot air, direct contact in a stagnated water, in a column with Packing with flow against current, airlift, etc. You find here enclosed an article that explains a technology.