The present invention provides a water plant treatment system in which the nitrogen and phosphorus components and other contamination substances are removed from the water which has been treated biologically by the conventional system. The water plant treatment system according to the present invention includes a distribution section for temporarily storing the incoming waste water to distribute it to the next stages, a first section for filtering the waste water of the distribution section by means of a filtering layer, and for eliminating the nitrogen and phosphorus components by the water caltrops of the filtering layer, a second section with water hyacinths planted therein, for purify the water coming from the first section, a third section with great duckweeds planted on the water surface thereof, for purifying the water coming from the second section, and a fourth section with a filtering layer disposed therein and with water caltrops planted therein.
7361268 - Waste treatment systems - Owned by Earth Works Institute (Santa Fe, NM) Ogden; Michael (Santa Fe, NM) Barclay; Leslie (South Dartmouth, MA)
Waste treatment systems and methods of using them to treat septage, domestic sludge or both are disclosed. Certain examples provided herein relate to waste treatment systems that include a plurality of stages, such as, for example, a plurality of ecosystems, configured to treat domestic sludge, septage or both.
The present invention generally relates to purification systems, and to sanitization and/or sealing of the purification system. The purification system includes an electrodeionization device which can comprise one or a plurality of stages. The electrodeionization device can be constructed with a resilient sealing member forming a water-tight seal between rigid thermally and dimensionally stable compartment spacers. The construction of the electrodeionization device may allow cycling of hot water and/or other liquids, which, in some cases, can improve efficiency and performance of the electrodeionization device. Moreover, the cycling of hot water and/or other liquids may be used to sanitize the electrodeionization device to at least a pharmaceutically acceptable condition and, preferably, in certain instances, to meet at least minimum requirements according to U.S. Pharmacopoeia guidelines by inactivating any microorganisms present within the electrodeionization device.
A method and system for providing Water for Injection using reverse osmosis. Water for Injection can be produced by reverse osmosis and the reverse osmosis membrane can be kept in a constantly self-sanitizing condition. One way of obtaining a constantly self-sanitizing condition is to maintain the reverse osmosis membrane at an elevated temperature during production of Water for Injection.
A water treatment system provides treated or softened water to a point of use by removing a portion of any hardness-causing species contained in water from a point of entry coming from a water source, such as municipal water, well water, brackish water and water containing foulants. The water treatment system typically treats the water containing at least some undesirable species before delivering the treated water to a point of use. The water treatment system has a reservoir system in line with an electrochemical device such as an electrodeionization device. The water treatment system has a sensor or a set of sensors for measuring at least one property of the water or an operating condition of the treatment system. The water treatment system also has a controller for adjusting or regulating at least one operating parameter of the treatment system or a component of the water treatment system to optimize the operation and performance of the system or components of the system to supply water tailored to quality requirements.
A system and process for treating water are described. Water may be purified by passing feed water through an electrochemical deionization device. The water may be suitable for cooking, washing, and beverage production.
