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124results about How to "Removal" patented technology

Packaging stage-type film bioreactor device for treating sewage or micro-polluted raw water

InactiveCN101186416ARealize quality water supplyFlexible and simple multi-functional areaTreatment with aerobic and anaerobic processesMultistage water/sewage treatmentWater qualitySmall footprint
The invention relates to a staged membrane bioreactor device, for treating sewage or micro-polluted source water, with a water container, pertaining to the environmental protection technology field. The device consists of a half-reaction zone, an anaerobic reaction zone, an aeration reaction zone and a pure water zone. The half-reaction is communicated with the bottom of the aeration zone, the bottom of the half-reaction is provided with an empty valve, one side of the half-reaction zone has a water inlet pump, the inside of the half-reaction has an internal ring filled with stuff, and the top of the half-reaction is provided with a stirrer, and the effluent of the half-reaction automatically flows into the anaerobic reaction zone. The top of the anaerobic reaction zone is provided with a stirrer, the bottom thereof is provided with a sludge empty valve, and a sludge empty device is shaped like a horn mouth and positioned in the anaerobic reaction zone, and the top of the anaerobic reaction zone is provided with a drug feeding mouth. The bottom of the aeration reaction zone has an internal return pump, the lower part of the aeration reaction zone is provided with an aeration pipe with an air inlet positioned at one side of the aeration reaction zone, and a fan is connected to the aeration pipe through the air inlet; the top of the aeration reaction zone is provided with an overflow pipe, the bottom of the aeration reaction zone is provided with an empty valve, while the middle is provided with a membrane component. The pure water zone is divided into two units, and the inside of each unit is provided with an effluent valve. The invention has the advantages of good effluent quality, multi purposes, small land occupancy, flexible and convenient using method, and is applied to the treatment of domestic sewage and micro-polluted source water, and can widen and facilitate the application of membrane bioreactor water treatment and water resource reutilization technique.
Owner:TONGJI UNIV

Preparation method for new purification material with catalytic oxidation of formaldehyde and sterilization function

The invention relates to a preparation method of new purification material with catalytic oxidation formaldehyde and sterilization function. The preparation method comprises the following steps of: 1,taking a porous adsorption material as a carrier; step 2, loading noble metal with a catalytic oxidation formaldehyde function, rare-earth metal material, substance containing silver, zinc or copperwith sterilizing active component on a carrier material; step 3, synthetizing the carrier material loaded with the active functional component with the high molecular material to form the fiber; step4, processing the fiber into a non-woven fabric to finish the preparation of the purification material. By bonding the carrier material containing formaldehyde catalytic oxidation active component andsterilizing active component with high-molecular material such as polyester, polyethylene, polypropylene and nylon, after heating and melting, bonding the active component with the fiber, and forminga strong active layer inside and outside the fiber, the new purification material with catalytic oxidation formaldehyde and sterilization function has the advantages that the specific surface area ofthe material is increased, the dispersion of the active component is facilitated, the formaldehyde can be fully contacted with the catalyst, and the formaldehyde has good purification function.
Owner:SHENZHEN PUREMATE TECH
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