Dear Sirs We have very peculiar water treatment process to be composed of variable pore solid fiber membrane VPMF,  as followings:  - ...

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Dear Sirs We have very peculiar water treatment process to be composed of variable pore solid fiber membrane VPMF,  as followings:  - Municipal  Potable( Drinking) water treatment Process through Direct filtration of River water without coagulants. - Direct Filtration of municipal wastewater or sewage without biological process. - Pre- treatment of R/ O in Desalination. (Solid fiber membrane to replace  DAF and Multimedia filter) We are appreciated of presentation and discussion if you are interested in above water treatment process. Pls contact to me if you are interested in meeting with me .     Choi Global Enfiltec Co., Ltd. HQ: 702 Anyang IT Valley Hogaedong Donanggu Anyangsi, Gyenggido , South Korea Tel)+82-31- 342-7566    Fax)+82- 342-7637 URL : http://www.enfiltec.com ; E-Mail : enfilteceu@gmail.com ;

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  2. Gentlemen, the best way to improve the waters in the distribution phase with low operating costs is to combine the production of condominium and domestic pressurized hydroelectric energy that requires the continuous recycling of water to produce energy, but the pressurized system in addition to produce electricity, also dissolved oxygen in the water consuming nitrates and organic substances, but also allows to produce heat and cold and hot water for the whole year, without solar panels and high returns compared to all current energy systems, because it uses, the energy accumulated in the air cushions of pressurized tanks in the building and in the apartments. These plants are newly designed and seek partners around the world http://www.spawhe.eu/pressurized-domestic-hydraulic-energy-system/

    Italian demand patent N. 102016000130510 del 23/12/2016

    PRESSURIZED DOMESTIC HYDRAULIC SYSTEM, PRODUCER OF HYDROELECTRIC ENERGY

    author: Luigi Antonio Pezone, Via Caserta, 33- 81055 Santa Maria Capua Vetere, Italy,

    Abstract

    The invention of pump with dual supply until to the impeller has allowed developing different ways to produce hydroelectric energy with water recycling. But those which guarantee the best performance with reduced dimensions are those which use pressurized water tanks with compressed air. In fact, in the case of a hydraulic system with pressurized autoclave (1), we can not use the energy of the water surface position of an open basin, which produces kinetic energy in the descending pipe which feeds the pump and turbine, but we can exploit the compressed air pressure that pushes the pressurized water directly in a turbine or a pump used as a turbine (2) and discharging in a reservoir at atmospheric pressure (3). In this case, we exploit the pressure drop and the flow rate through the turbine, while the pump with double separate supply until to the impeller, immediately re-inserting the water in the pressurized tank (1), from the suction side of one of the two feeding inlets , and by recycling simultaneously with the other feed the pressurized water inside the tank, allows to maintain constant the water level, saving the energy that would be necessary for the restoration of the pressure of the air cushion, and that to win the hydrostatic pressure, consuming only the energy required for water circulation within the accumulated volume of water. The energy sources of this plant are the compressibility of the air and the non-compressibility of water. Pairing two identical systems, one for hot water and one for cold water, in our homes we can produce energy for twenty-four hours a day and three hundred sixty-five days per year, distributing the hot or cold water to the heating system, cooling and services, but without gas boilers and even solar panels, in part by reducing energy production only in the pickup phase of water consumption and for heating or cooling of the apartment. The energy produced by pressurized domestic hydroelectric plants will be about ten times greater than that absorbed for water circulation, also improving water quality, due to oxygen that is dissolved in it.