摘要:
The apparatus for reducing biological wasted sludge includes a sludge hydrolysis reactor, a sludge neutralization reactor and a membrane bioreactor (MBR). The method of the present invention includes subjecting a biological wasted sludge to hydrolysis and neutralization treatments to offer an intermediate feed suitable to be treated in the MBR. The hydrolyzed sludge and microorganisms are retained in the MBR, so that a further hydrolysis of sludge and decomposition of organics undergo to achieve the objectives of stabilization of sludge and reduction of sludge. Thanks to the filtration membrane of the MBR, specific microorganisms can be acclimated and accumulated in the MBR to decompose substrates in the sludge which are difficult to be decomposed, and an effluent of expected water quality can be meet.
摘要:
Method of waste water/water treatment in a submerged membrane bioreactor is disclosed. The bioreactor includes a tank containing a mixed liquor having microorganism; porous carriers in the mixed liquors; and a filtration module immersed in the mixed liquor and having a permeate side into which fluid can flow only through the filtration module. The method includes introducing an influent into the tank; applying a negative pressure source to the permeate side so that liquid in the tank penetrates the filtration module into the permeate side and flows out from the tank; and aerating the mixed liquor in the tank so that the porous carriers keep contact with the filtration module, and thus reduce fouling of the filtration module.
摘要:
The present invention discloses a biological membrane filtration wastewater treatment system including a porous biological filtration bed zone and a membrane separation zone. The porous biological filtration bed zone has the dual function of providing biological treatment and higher filtration rates, wherein a fixed bed or moving bed is utilized so that the porous biological filtration bed zone has the advantages of high loading rates, high removal efficiencies, high stability and ease of operation. The membrane separation zone utilizes a membrane filtration module to filter an effluent from the porous biological filtration bed zone, so that solid particles therein are separated and remain in the system. Therefore, a high quality of effluent is obtained.
摘要:
The apparatus for reducing biological wasted sludge includes a sludge hydrolysis reactor, a sludge neutralization reactor and a membrane bioreactor (MBR). The method of the present invention includes subjecting a biological wasted sludge to hydrolysis and neutralization treatments to offer an intermediate feed suitable to be treated in the MBR. The hydrolyzed sludge and microorganisms are retained in the MBR, so that a further hydrolysis of sludge and decomposition of organics undergo to achieve the objectives of stabilization of sludge and reduction of sludge. Thanks to the filtration membrane of the MBR, specific microorganisms can be acclimated and accumulated in the MBR to decompose substrates in the sludge which are difficult to be decomposed, and an effluent of expected water quality can be meet.
摘要:
A submerged membrane bioreactor includes a tank containing a mixed liquor having microorganism; and a filtration module immersed in the mixed liquor and having a permeate side in fluid communication with the mixed liquor only through the filtration module. The filtration module includes a porous support having a first surface forming the permeate side and a second surface opposing to the first surface; and a non-woven fabric membrane covering the second surface and having a thickness of 0.1-2 mm and a pore size of 0.2-100 &mgr;m.
摘要:
The present invention discloses a biological membrane filtration wastewater treatment system including a porous biological filtration bed zone and a membrane separation zone. The porous biological filtration bed zone has the dual function of providing biological treatment and higher filtration rates, wherein a fixed bed or moving bed is utilized so that the porous biological filtration bed zone has the advantages of high loading rates, high removal efficiencies, high stability and ease of operation. The membrane separation zone utilizes a membrane filtration module to filter an effluent from the porous biological filtration bed zone, so that solid particles therein are separated and remain in the system. Therefore, a high quality of effluent is obtained.
摘要:
A photocatalytic reaction system for water purification. At least one light source is disposed in a photocatalytic reaction tank. Multiple photocatalyst carriers are disposed in the photocatalytic reaction tank and surround the light source. Each photocatalyst carrier carries a plurality of photocatalyst particles. A photocatalysts separation tank is connected to the photocatalytic reaction tank. A non-woven fabric membrane filtration module is disposed in the photocatalysts separation tank, filtering off the photocatalyst particles. An input pump is connected to the photocatalytic reaction tank, inputting water thereto. An output pump is connected to the non-woven fabric membrane filtration module, outputting the water to the exterior of the photocatalysts separation tank.
摘要:
The present invention provides a floated biological treatment apparatus and a process for purifying refractory wastewater or raw water for drinking water. The treatment apparatus of the present invention includes a supporting plate for dividing the treatment apparatus into upper and lower portions. The upper portion is formed into a reactor, and porous compressible carriers are filled with the reactor in an amount of 80 vol % to 100 vol % of the reactor volume. The lower portion is provided with a liquid inlet for introducing the refractory wastewater or raw water and a gas inlet. The reactor is provided with at least one top carrier blocking plate at the top, such that the carriers can be limited by the top carrier blocking plate to be retained in the reactor, and the carriers can become a floating state. By means of the process or apparatus of the present invention, the cost for treating refractory organic material can be reduced, the treatment efficiency can be enhanced, and the quality of the effluent can be improved. In addition, since the carriers are in a floating state, they will have the advantages of low abrasion. The clogging problems can be prevented, and the gas and the influent can be evenly distributed.
摘要:
A filtration device. The filtration device includes a tank, photocatalyst, a light source and a non-woven membrane module. The tank includes a reacting section and a separating section. The photocatalyst is added to water. The light source, disposed in the reacting section, provides light to react with the photocatalyst and thereby decompose pollutants in the water. The non-woven membrane module, disposed in the separating section, intercepts the photocatalyst in the water, producing purified water.
摘要:
A method for one step synthesizing and immobilzing crystalline titanium dioxide (TiO2) nano-particles simultaneously on a polymer support and a use thereof are provided. The method includes adding TiO2 precursor, water, alcohol and an ionic liquid in a sol-gel reaction under microwave irradiation, so that a plurality of TiO2 crystalline nano-particles are synthesized and immobilized on the polymer support simultaneously.