54results about How to "Increase the rate of biochemical reactions" patented technology

The invention discloses a novel core-shell structured biological filler and a preparation method of the novel core-shell structured biological filler. The filler is prepared from the following raw materials in terms of mass percent: 20 percent to 30 percent of activated sludge, 0.2 percent to 1 percent of antibacterial deodorizing agent, 15 percent to 25 percent of bamboo charcoal powder, 2 percent to 5 percent of iron oxide red, 8 percent to 15 percent of calcium oxide and 35 percent to 50 percent of silicate inorganic gel. The method comprises the following steps of mixing the activated sludge, the antibacterial deodorizing agent and 15 percent to 35 percent of the silicate inorganic gel in total quantity, and squeezing, granulating and drying the mixed materials to obtain aggregates; uniformly mixing the bamboo charcoal powder, the iron oxide red, the calcium oxide and the residual silicate inorganic gel to obtain a powder material; putting the aggregates onto a ball forming disk, and spraying the powder material and water at the same time along with the process of rotating the ball forming disk, wherein the water spraying quantity is 5 percent to 20 percent of the total mass of the raw materials; gradually wrapping the surface of the aggregates by utilization of the powder material so as to obtain a preliminarily-cured core-shell filler, and obtaining the novel core-shell structured biological filler after curing. The filler disclosed by the invention has the advantages of short biological startup period, strong acid / base buffering capacity and rapid biochemical reaction rate.

The invention discloses a planting-type monomer solid-base ecological revetment system, which includes at least one ecological revetment unit, the unit includes a primary settling reaction zone and a solid base carrier zone connected above it and wet plants, and the primary settling reaction zone includes The water inlet cavity, the water inlet pipe and the vent pipe, the far end of the water inlet pipe is connected to the urban drainage pipe, the near end is set in the water inlet cavity, the upper end of the vent pipe is connected to the atmosphere, the lower end is connected to the water inlet pipe, and the bottom of the water inlet cavity A mud storage tank is set, and the base-fixing carrier area is a semi-closed cage, which is filled with a light first biofilm matrix, and wet plants are rooted in the base-fixing carrier area. The system protects the river bank, and at the same time, it can filter and purify the initial rainwater of the diversion system and the mixed sewage of the mixed rain and sewage discharged from the outlet along the river. The wet plants planted have the function of making the river safe and stable. It is an engineering module with certain flexibility and integrity, easy to assemble and disassemble, and easy to manage.

The present invention discloses one kind of sewage denitriding process, and the sewage denitriding process includes the steps of denitrifying, depositing, oxycarbonizing, re-depositing and nitrifying. The present invention separates the aerobic section into the oxycarbonizing step and the nitrifying step, and this creates suitable habitat for both heterotrophic bacteria and autotrophic nitrifying bacteria and biochemical reaction in high speed. There is no mixing of sludge of different steps, and this can ensure the high activity of active sludge. The process of the present invention is suitable for treating high COD and high ammonia nitrogen sewage, especially sewage from public latrine. Compared with A / O process, the process of the present invention has the advantages of low power consumption, small covered area and high denitriding efficiency.

The invention relates to a SBR bio-processing device and process for nitrogen-containing waste water, used for deep processing of industrial waste water, where an SBR reactor connects with a water inlet pipe, a water outlet pipe, a carbon source feeding pipe, and an aeration pipe; the water inlet pipe connects with a water inlet pump; the aeration pipe connects with a fan; there are blender, DO sensor, ORP sensor and pH sensor arranged in the reactor; the sensors are connected with a computer; the computer connects with a process controller; relays of the process controller are connected with valve, carbon source feeding pump and blender, respectively. And the process comprises water feeding, aeration, adding in original sewage and blending, adding in external carbon source and denitrifying, depositing, draining water, and putting aside, and is characterized in real-timely controlling aeration quantity and reaction time of SBR denitrifying process by process control parameters. And it can raise biochemical reaction rate and reduce reaction time and save cost.

The invention relates to a method for preparing a micro magnetic carrier, the micro magnetic carrier and an active sludge immobilization method. The method for preparing the micro magnetic carrier comprises the following steps of: adding 10 to 50g / L of Fe3O4 particles into a polyvinyl alcohol solution, stirring, and adding a glutaraldehyde solution, concentrated hydrochloric acid and a sodium alginate solution for reacting; and washing with acetone, ethanol or distilled water, drying, and thus obtaining the micro magnetic carrier using the magnetic Fe3O4 particles as a core for wrapping a polyvinyl alcohol layer. A sequencing batch reactor technology is used in the active sludge immobilization method using the micro magnetic carrier as a core, the inoculation medium consists of the micro magnetic carrier and conventional sewage in a mass ratio of 1:1-1:3 and is used for secondary bio-treatment of active sludge, and the concentration of the inoculated active sludge is 2 to 4g / L (mass of the dry sludge / effective volume of a reactor); and the operating mode comprises water feeding, anaerobic stirring, aerobic aeration, settlement, drainage and standing. The invention has the advantages of quickening the biochemical reaction rate of dirt degradation and improving the treatment efficiency and the treatment effect of the sewage.

The invention belongs to the technical field of battery hydrogen production, and relates to a liquid-solid fluidized bed microbial fuel cell hydrogen production device. The bottom center of the device is provided with a sewage inlet, a sewage outlet is formed at the top of the side wall of an anode fluidized bed, and the upper part of the sewage inlet is provided with a pre-distribution chamber and connected with the anode fluidized bed through a flange; a liquid distribution plate is arranged between the pre-distribution chamber and the anode fluidized bed, and fluidized granules are filled in the inner lower part of the anode fluidized bed; a positive electrode of a graphite carbon rod is vertically placed inside the anode fluidized bed, one end of the bottom of the positive electrode is inserted into the fluidized granules, and the other end of the positive electrode and a carbon paper membrane cathode are connected through a welding lead and connected in series with a load and a stabilized voltage supply to form a closed loop; and 2 to 10 test ports are arranged vertically on the lower middle part of the side wall of the anode fluidized bed of organic glass in equal distance, and the side wall of the top of a cathode chamber is provided with a gas collecting outlet. The device has the advantages of low battery cost, high power generation performance, wide operating area, reliability in operation and good mass transfer effect of the anaerobic fluidized bed.

The invention discloses a livestock and poultry wastewater treatment system and a treatment method using the system, and belongs to the treatment field of livestock and poultry breeding wastewater. The treatment system comprises a water yield regulating pond, an EGSB (Expanded Granular Sludge Bed) anaerobic reactor and a tower-type biological filtering pond which are sequentially connected in series, wherein a mechanical agitator is arranged in the EGSB anaerobic reactor; the partial effluent of the EGSB anaerobic reactor is sent to the bottom of the EGSB anaerobic reactor in a pump exhausting manner so as to perform internal reflux; the reflux water is controlled by controlling the opening / closing and the opening degree of the valve; the reflux water is fed into a water distributing pipe which is positioned at the bottom of the EGSB anaerobic reactor and connected with a water distributor after the reflux water propels an impeller to rotate via the mechanical agitator. According to the system and the method, the treated wastewater can meet the requirement of 'Discharge Standard Of Pollutants For Livestock and Poultry Breeding' (GB18596-2001); the capital construction cost and the operating cost of wastewater treatment are lowered.