Patent ID: 7662290

Claim:
A water treatment system comprising: a. a well pump arrangement for drawing contaminated water from a well; the well pump arrangement comprising at least one double-cone device, the double-cone device having an inlet where contaminated water is sucked in during operation, the at least one double-cone device being located in the well during operation; b. a purification unit for separating the contaminated water into purified water and contaminated solution, the purification unit further comprising: i. an intermediate reservoir for storing the contaminated water; ii. a pumping arrangement to pressurize the contaminated water obtained from the intermediate reservoir; and iii. a separating unit to separate the pressurized contaminated water into purified water and contaminated solution; c. a contaminated solution line for carrying the contaminated solution from the separating unit to the well pump arrangement; so that contaminated solution pours out of the inlet of the double-cone device and sinks down in the well and disposal of contaminated solution into the environment is avoided, and so that the contaminated solution is reusable as feed for the double-cone device for reusing the energy stored in it.