4results about How to "High volume load" patented technology

This invention discloses a highly efficient integrated anaerobic ammonia oxidation reactor and treatment method for kitchen wastewater sludge, belonging to the field of wastewater treatment technology. The reactor includes a tank and integrated pretreatment module, denitrification reaction module, solid-liquid separation module, temperature control module, aeration module, and sludge circulation module. The pretreatment module is located at the bottom of the tank and includes a grid filter unit and a bio-adsorption unit; the denitrification reaction module is located above the pretreatment module and is filled with granular anaerobic ammonia oxidation composite bacteria; the solid-liquid separation module is located above the denitrification reaction module and includes a three-phase separator and an inclined plate sedimentation unit. This invention, through its integrated design, achieves pretreatment, denitrification reaction, solid-liquid separation, and precise control within a single tank, solving the problems of low integration, easy loss of bacteria, and high operating costs in existing technologies. It has advantages such as small footprint, high efficiency, stable operation, and no need for external carbon sources, making it particularly suitable for kitchen wastewater sludge treatment.

This utility model relates to a combined integrated wastewater deep treatment equipment, comprising: an anaerobic tank, effluent from the anaerobic tank being connected to an anoxic tank, effluent from the anoxic tank being connected to an aerobic tank, a suspended sedimentation separation structure within the aerobic tank, an aeration device below the sedimentation separation structure within the aerobic tank, supernatant from the sedimentation separation structure being connected to a vertical flow sedimentation tank, supernatant from the vertical flow sedimentation tank being connected to a gradient filtration device, and effluent from the gradient filtration device being connected to a clear water tank. The beneficial effects are: the proportion and sequence of anaerobic, anoxic, and aerobic processes can be adjusted according to different usage scenarios; the process is arranged in the order of anaerobic, anoxic, and aerobic, mainly for simultaneous nitrogen and phosphorus removal; the biological treatment zone consists of anaerobic + anoxic + aerobic; and the sedimentation zone and gradient filtration are connected in series at the end of the biological treatment zone, highly integrating biological and deep treatment processes, resulting in equipment with high treatment efficiency, high flexibility, strong adaptability, low operation and maintenance difficulty, and low operating energy consumption.

The invention relates to a semi-coke wastewater double-carbon-source biochemical treatment system and process, and the process comprises the following steps: pretreated semi-coke wastewater enters a front anoxic tank for denitrification reaction to remove COD and total nitrogen; effluent of the front anoxic tank enters an aerobic tank to be subjected to carbonization and nitration reaction, organic matters are removed, and ammonia nitrogen is converted into nitrite nitrogen and nitrate nitrogen; effluent of the aerobic tank enters a rear anoxic pretreatment tank for endogenous denitrification reaction; the mixed liquid in the rear anoxic pretreatment tank flows back to the front anoxic tank, and the reflux ratio is 400%-800%; and effluent of the post-anoxic pretreatment tank is subjected to mud-water separation and post-treatment to reach the standard and then is recycled. Mixed liquid backflow is carried out at the tail end of the rear anoxic pretreatment tank, the device has the advantages of being resistant to toxicity and impact, simple in technological process and low in operation cost, meanwhile, a large backflow ratio is adopted, nitrate nitrogen is removed, and meanwhile impact of biotoxicity on a biochemical system and inhibition of the biotoxicity on microorganisms are reduced.

The application discloses a device and method for realizing simultaneous nitrogen removal of urban sewage and photovoltaic cell wastewater based on a reinforced autotrophic / heterotrophic coupled granular sludge process. The device mainly comprises a horizontal flow defluorination reaction sedimentation tank, an intelligent adjusting tank, an aerobic deep oxidation system and a reinforced autotrophic / heterotrophic coupled granular system. The method realizes efficient simultaneous nitrogen removal of urban sewage and photovoltaic cell wastewater through a double-flow inlet strategy: the residual micro-particles and calcium ions after defluorination pretreatment are used as crystal nuclei to promote the granulation of subsequent sludge; the impact resistance of the coupled granular sludge is enhanced through a biofilm carrier; and the intelligent adjusting tank is used to realize precise water distribution, so that the reinforced autotrophic / heterotrophic coupled granular system can stably and efficiently remove nitrogen. The application not only realizes simultaneous deep treatment of urban sewage and photovoltaic cell wastewater, but also strengthens the structural stability of the granular sludge by using the calcium components in the wastewater, solves the problem of difficulty in forming the granular sludge and improves the nitrogen removal performance.