3 results about "Biochemical Process" patented technology

The application discloses a short-range denitrification process nitrous oxide kinetics modeling and verification method, and specifically comprises the following steps: simplifying the ASM3 model, retaining the core biochemical processes and components related to the growth, storage and endogenous respiration of heterotrophic bacteria; expanding the reaction mechanism to construct the biochemical process involved in the short-range denitrification process to produce N2O; constructing a new way of directly using NO2- as an electron acceptor to produce N2O in the endogenous respiration stage of microorganisms; considering different electron donors and acceptors in each biochemical process, constructing a process rate equation; selecting high-quality short-range nitrification-denitrification experimental data published to test the constructed model; taking self-test data as a benchmark, iteratively fitting and calibrating key parameters, so that the model prediction value and the actual measured value are optimally fitted.

The application discloses a sewage treatment full-process layered collaborative control system and method based on working condition identification, relates to the technical field of industrial intelligent control, and comprises a data acquisition module, deployed online monitoring instruments and sensors, acquires multi-source data for preprocessing, and obtains standardized data; a twin and prediction module, based on the standardized data, constructs an ASM2d mechanism model, corrects parameters, outputs biochemical process prediction variables, splices the standardized data to form an input vector, and obtains prediction inflow data through the input vector; a working condition identification module, based on the prediction inflow data, calculates multiple change rates, performs weighted fusion through preset weights, obtains an impact load comprehensive index, and performs preliminary working condition judgment and current running working condition label generation through a preset judgment threshold. The application can realize energy saving and consumption reduction under the premise of guaranteeing that the effluent meets the standard by combining the optimization targets of the effluent quality, energy consumption and chemical consumption.

The present application relates to wastewater treatment technical field, disclose a kind of electrochemical coupling biochemical process device for treating waste water, including with front-end electrochemical system and rear-end biochemical system interconnection's regulating tank, rotating installation is temporarily stored in the regulating tank, and the temporary storage tank for temporarily storing PH adjusting solution, the regulating tank inside is further equipped with the synchronous plate of synchronous rotation with temporary storage tank.This application drives the circumferential motion of the liquid distribution pipe by the synchronous plate, combined with the design of different grooves on the positioning frame, can drive the liquid distribution pipe to swing in the regulating tank at different angles and different depths to release PH adjusting solution;At the same time, the extrusion groove on the limiting plate is designed with a curvature gradient, which can make the liquid distribution pipe release more adjusting solution in the deep area, effectively solve the pain point of insufficient adjustment of deep waste water, ensure that the PH value of waste water after adjustment is uniform and stable, accurately adapt to the processing needs of rear-end biochemical system, and lay a good foundation for subsequent biochemical treatment of waste water.