TH14845B - Methods and wastewater treatment plants - Google Patents

Abstract

Waste water treatment methods include Biological effluent treatment methods include - Biological effluent treatment under pressure and depressurization and removal of most solids by flotation. Of dissolved gas at Pressure drop:

Claims (8)

1. Wastewater treatment methods include: - Biological effluent treatment under pressure: then it is reducing the pressure to the higher pressure - the natural pressure around and Using this pressure reduction To remove most of the solids by floating The body of the dissolved gas 2. Method as defined in Clause 1. The next step includes: - The next step of pressure reduction. And using the next step of pressure reduction For accelerating filtration and / or sterilization processes 3. Methods as defined in Clause 1 or 2 in which biological treatment under pressure includes: - Adding oxygen and biological nitrification. Of effluent Under pressure to remove ammonia Most of them went out. 4. Methods set out in claim 3, which The next phase of biology under pressure includes: - Biological reduction of the effluent under pressure to Removes most of the dissolved oxygen and biological denitrification of the deoxygenated effluent within Under pressure to remove the nitrogen at 5. Method as defined in claim 4. The next step includes: - Recirculation of part of the nitrified wastewater for Mixed with effluent and treated Biological treatment is the next step under pressure. 6. Methods as defined in claim 1. Biology takes place in a reactive pot. Fluid-based biology 7. Method as defined in claim 3, where nitrification Biological precipitation occurs in a reactive pot. Biology The base is a fluid. 8. Effluent treatment plant includes: - Biological treatment mechanism using pressure: and a lowering pressure mechanism that works at higher pressure - normal pressure. The nation around for receiving The effluent treated by the biological pressure treatment mechanism, the pressure reducing mechanism composed of the Dissolved gas flotation for purification of water The treatment and clear up 9. Factory as specified in Clause 8, which the mechanism of treatment. Biological pressure is included. To the nitrifying mechanism For nitrifying Ingsheng The biology of the effluent under pressure to remove most of the ammonia and the oxygen enrichment mechanism for increasing the oxygen. Into the nitrifying mechanism based on 1 0. Factory as specified in Clause 9, which the treatment mechanism The next stage of pressure biologic applications includes: - The decompression mechanism for biological oxygen depletion of water. Left under pressure to Removes most dissolved oxygen: and the denitrification mechanism for the biological denitrification of water. Dispose of the deoxyribonant under pressure to remove the nitrogen at Is oxidized, which dissolves most of the water 1 1. The plant as defined in claim 10, where the next step of the plant includes: - a recirculation mechanism for recirculation of the nitrified effluent part 1. 2.The plant as defined in claim 9, where the nitrifying mechanism is a fluid-based reaction pot 1. 3. Factory as specified in Clause 8, which the reduction mechanism The pressure is the water receiver tank 1. 4. Factory as specified in Clause 8, where The next step will include a layered treatment mechanism. Three at a further 1 drop of pressure 5. Wastewater treatment plant that includes: - A pressure-applied oxygen reduction mechanism for organic oxygen reduction. Biology of effluents to remove most of dissolved oxygen, pressure-based denitrification mechanism for linear denitrification. The biology of deoxygenated effluents to remove the nitrogen that Is oxidized, which dissolves most of the water. Pressure-based nitrification mechanism for linear nitrifying Biology of nitrifying effluent Then under pressure to remove most of the ammonia away, and the pressure reducing mechanism for reducing the pressure of at least part Of wastewater at Nitri Then reach higher pressure - pressure Natural all around for solids removal by air flotation with 1 watermark. 6. Wastewater treatment plant including: - Mixing mechanism for mixing effluent with nitrified wastewater. Recirculating: Pressure-applied oxygen decompression mechanism for organic oxygen reduction. Biology of a mixture of recirculated effluent and effluent to remove most of the dissolved oxygen: a pressure-based denitrifying mechanism for direct denitrification. Biology of deoxygenated effluents to remove most of the Oxidized nitrogen that dissolves water Pressure-based nitrifying mechanism For biological nitrification Good effluent, nitrify Under pressure and then to eliminate the Large amounts of ammonia; Recirculation mechanism for recirculating part of the water Dump the nitrify to the mixing trigger; and the pressure reducing mechanism for reducing the pressure of another part of the water. Left at nitrify Reaching higher pressure - fair pressure Surrounding for solids removal by air buoyancy at each watermark 1 7. Wastewater treatment plants including: - Biological pressure vessel treatment vessels; Pressure transparent container A pressurized clarification vessel that receives the treated effluent. From the oriented treatment container Pressure-applied biology And at work that the pressure is lower than that Pressure of the container Biological treatment where pressure is applied in such a way that the solids are removed by flotation of dissolved gas 1. 8. Wastewater treatment plant as requested, holds the right in Clause 17, which the next stage of wastewater treatment plant will Including the filter mechanism Filter mechanism that Receive treated effluent And then clear from the clarification vessel that is applied to pressure, and working at a pressure below the pressure of Pressure transparent container