The invention discloses an automatic sewage treatment system and a preparation method of biological carrier, comprising an automatic sewage treatment device and a biological carrier, wherein the automatic sewage treatment device comprises a housing; one side of the housing is provided with a sewage inlet, and the other side thereof is provided with a sewage outlet; the sewage inlet is installed on one side of a No. 1 biochemical pool; one side of the No. 1 biochemical pool is connected to a No. 2 biochemical pool through a connecting pipe; the other side of the No. 2 biochemical pool is connected to a No. 3 biochemical pool through the connecting pipe. The preparation method of biological carrier includes material selection, preservation, physical treatment, and cultivation.

This invention relates to apparatus, methods and applications for treating wastewater, and more particularly to a technique of biological processes that integrates lowering the levels of effluent pollutants and reducing accumulated sludge volume from wastewater. This invention further relates to apparatus and methods for using a blend of non-pathogenic microbes, spores, unicellular organisms, and enzymes on-site at a wastewater treatment facility to rapidly, ecologically, and cost-effectively solve numerous contaminant issues common in wastewater.

A method for predicting a discharge level of an effluent from decentralized sewage treatment facilities, the method including: measuring the conductivity of an influent, the conductivity and suspended solids concentration of an effluent of a plurality of decentralized sewage treatment facilities; repeatedly measuring a pH, a concentration of COD, a concentration of ammonia nitrogen, the concentration of total phosphorus of the effluent of each of the plurality of decentralized sewage treatment facilities; calculating average values of the pH, the concentration of COD, the concentration of ammonia nitrogen, the concentration of total phosphorus; comparing the average values with a local sewage discharge standard, and determining a discharge level of the effluent; constructing a predictive model; and sampling an influent and an effluent of a sewage treatment facility, measuring the conductivity of an influent, the conductivity and suspended solids concentration of the effluent, inputting the obtained data to the predictive model.

A method for predicting a discharge level of an effluent from decentralized sewage treatment facilities, the method including: measuring the conductivity of an influent, the conductivity and suspended solids concentration of an effluent of a plurality of decentralized sewage treatment facilities; repeatedly measuring a pH, a concentration of COD, a concentration of ammonia nitrogen, the concentration of total phosphorus of the effluent of each of the plurality of decentralized sewage treatment facilities; calculating average values of the pH, the concentration of COD, the concentration of ammonia nitrogen, the concentration of total phosphorus; comparing the average values with a local sewage discharge standard, and determining a discharge level of the effluent; constructing a predictive model; and sampling an influent and an effluent of a sewage treatment facility, measuring the conductivity of an influent, the conductivity and suspended solids concentration of the effluent, inputting the obtained data to the predictive model.

A flow through aerobic granular sludge (AGS) system includes a flow through reactor. The flow through reactor includes a first adsorption zone and first and second unaerated and aerated zones and may include a wastewater distribution system and a selector zone. The first adsorption zone includes AGS granules and may include a mixing device. The first and second unaerated zones are under anaerobic, anoxic, or both anaerobic and anoxic conditions and each may include a mixing device. The first and second aerated zones are under aerobic conditions and each may include an aeration device. The flow through reactor is configured such that the wastewater and AGS granules in the first adsorption zone flow continuously from the first adsorption zone through the first unaerated zone, the first aerated zone, the second unaerated zone, the second aerated zone, and optionally to the selector zone and out of the flow through reactor.

A method for treating wastewater or sludge comprises the steps of adding the wastewater or sludge to a reactor and mixing the wastewater or sludge with a stream to thereby decrease a ratio of alkalinity to ammonium in the reactor, the reactor containing ammonium oxidising bacteria that oxidise ammonium to produce nitrite and decrease pH.

Disclosed are a cow excreta treatment apparatus and method. According to an aspect of the present embodiment, in a cow excreta treatment apparatus which treats cow excreta wastewater, provided is an aerobic reaction chamber for improving the aggregation and sedimentation characteristics of fine solids, the aerobic reaction chamber comprising: an air blow pipe for supplying air; a vertical membrane for preventing the outflow of raw water; and a discharge pipe for discharging air and treated water and removing bubbles generated in the aerobic reaction chamber.

A biological filler includes an embedding agent and an embedded complex. The embedded complex includes a scallop shell powder, 1,5-dihydroxyanthraquinone, and Thiobacillus denitrificans. The embedding agent includes a poly(vinyl alcohol)-sodium alginate blend membrane and a crosslinked composite membrane. The embedded complex is embedded by the embedded agent.

The invention relates to the technical field of environmental protection, in particular to a method for evaluating carbon source quality of a water body, an apparatus, a device and a readable storage medium. The invention provides a method for evaluating carbon source quality of a water body, including: acquiring COD and BOD.sub.5 of a first water body, wherein the first water body is a water body obtained after a water body to be measured is subjected to filtration treatment; acquiring an energy matter content in microbial cells in a second water body, wherein the second water body is a water body obtained after the first water body is subjected to anaerobic-aerobic treatment; and determining the carbon source quality of the water body to be measured according to a ratio of COD to BOD.sub.5 in the first water body and the energy matter content in the microbial cells in the second water body. The method for evaluating carbon source quality of the water body provided by the invention can effectively solve the existing problems of partial evaluation and poor pertinence of sewage biodegradability, implements accurate evaluation of the sewage carbon source on the biological nitrogen and phosphorus removal process, has the advantages of wide adaptability, accurate evaluation and the like, and has good industrialization prospects.

A method for treating acrolein reactor wastewater, comprising the steps of: S1. mixing acrolein reactor wastewater and a carbonate aqueous solution to obtain a mixed solution, wherein the acrolein reactor wastewater has a pH value of less than 2 and contains 500 ppm to 3,000 ppm of acrolein, 50 ppm to 800 ppm of allyl alcohol, 40,000 ppm to 100,000 ppm of acrylic acid, 10,000 ppm to 30,000 ppm of formaldehyde, 3,000 ppm to 10,000 ppm of acetic acid and 3,000 ppm to 8,000 ppm of maleic acid; and the mixed solution has a pH value of 4 to 6, a COD concentration ranging from 7,500 ppm to 30,000 ppm, and a formaldehyde concentration ranging from 800 ppm to 4,000 ppm; S2. conveying the mixed solution obtained in step S1 to an anaerobic reactor (4) for biochemical treatment; and S3. conveying the solution treated in step S2 to an aerobic biochemical tank (5) for treatment; and reflowing at least one part of the solution treated in step S2 and/or S3 to step S2. Also provided is a device for treating acrolein reactor wastewater.