10results about How to "Reduce pollution load" patented technology

This application discloses an integrated cleaning device, relating to the field of cleaning equipment, comprising a frame; a loading rack installed at one end of the frame; a unloading rack installed at the other end of the frame; a transfer mechanism installed on the frame and used for transferring optical components; a hydrocarbon cleaning unit installed on the frame and adjacent to the loading rack, the hydrocarbon cleaning unit being used to clean optical components using hydrocarbon solvents; and an HFE cleaning unit installed on the frame and adjacent to the unloading rack. This application reduces the footprint by integrating the hydrocarbon cleaning unit and the HFE cleaning unit onto the frame; it reduces mutual interference and improves safety by physically isolating the hydrocarbon cleaning unit and the HFE cleaning unit with partitions; and it prevents large amounts of hydrocarbon solvent from entering the next process by using air knife purging, greatly reducing the contamination load of subsequent HFE solvents and minimizing cross-contamination.

This application discloses a seaweed oligopeptide fertilizer for promoting root growth and seedling development, and its production process, belonging to the field of fertilizer technology. The fertilizer, by weight, comprises: 2-10 parts seaweed oligopeptide complex, 1-8 parts seaweed extract, 10-30 parts compound amino acids, 1-10 parts blueberry pomace, 20-50 parts oxytetracycline waste decomposition products, and 30-60 parts recycled organic matter from kitchen waste. By combining seaweed oligopeptides with chitosan to form a complex, the stability of the active ingredients is improved; simultaneously, the synergistic utilization of oxytetracycline fermentation waste, kitchen waste, and blueberry pomace achieves resource utilization. Experiments show that this fertilizer significantly promotes crop root growth and seedling development.

This invention discloses a resource recovery system for dredged sediment treatment based on ultrasonic extraction and flotation synergy, comprising: a pretreatment unit, a first-stage ultrasonic extraction reaction unit, a second-stage solid-phase adsorption reaction unit, a third-stage flotation separation unit, a dewatering unit, a residual water treatment unit, and a nitrogen and phosphorus recovery unit. It also discloses a resource recovery method for dredged sediment treatment based on ultrasonic extraction and flotation synergy. This invention solves the problems of low pollutant removal rate, high risk of secondary pollution of dredged soil, and limited resource recovery in traditional dredged sediment treatment. Through the synergistic effect of multiple units including "ultrasonic-liquid-solid-phase adsorption-micro-nano bubble flotation," it achieves efficient release of nitrogen and phosphorus, simultaneous removal of microplastics, rapid separation of clean sediment from polluted phases, and recovery of nitrogen and phosphorus for fertilizer production and resource recovery of clean sediment. The entire process is green and low-consumption, suitable for compact layout on water or near shore, and can simultaneously meet the requirements of sediment reduction, harmlessness, and resource recovery.

This invention belongs to the field of water treatment and discloses an iron-based hydrogel-coated MBBR suspension packing, its preparation method, and its application. The iron-based hydrogel-coated MBBR suspension packing uses MBBR packing as a carrier, with its surface coated with a dialdehyde cellulose-ε-polylysine composite hydrogel and α-Fe₂O₃ nanosheets. The hydrogel layer adsorbs and enriches antibiotics in the water; α-Fe₂O₃ provides the iron source, forming Fe under Fenton-like conditions. 2+ / Fe 3+ The process involves recycling and catalyzing H2O2 to generate hydroxyl radicals, which oxidize and degrade antibiotics. The composite gel stabilizes the iron component, reduces dissolution, and improves mass transfer and degradation efficiency, significantly enhancing the treatment effect of wastewater treatment plants on pharmaceutical wastewater. By efficiently degrading toxic and harmful antibiotics, it effectively reduces the pollution load of the pharmaceutical industry on the water environment, ensuring the stable compliance of wastewater treatment plants and improving their resilience.

An energy-saving aluminum alloy air quenching rapid cooling system belongs to the technical field of aluminum alloy heat treatment, and comprises a flue gas waste heat recovery module for collecting waste flue gas, the flue gas waste heat recovery module provides heat for a refrigeration module 6, and the refrigeration module 6 provides cold for an air quenching module to realize air quenching of workpieces. The flue gas waste heat recovery module comprises a heat exchanger 8 connected with a waste flue gas collection pipeline, and waste flue gas provides heat for the refrigeration module 6 in the heat exchanger 8. The waste heat of the waste smoke generated in the industrial production process is fully utilized to drive the refrigerating system, dependence on traditional energy is greatly reduced, direct emission of high-temperature smoke is reduced through effective recovery and energy utilization of the waste smoke, pollution load to the environment is reduced, and clean production is achieved.

The invention discloses a high-efficiency energy-saving industrial flue gas multi-stage dedusting and purifying system, which relates to the technical field of industrial waste gas treatment and flue gas purification, and comprises a dynamic pressure rectification recharge unit, a vortex inertia grading unit, a pulsating charge trapping unit, a dew point crossing condensation polishing unit and a tail gas pressure stabilizing and discharging unit which are sequentially communicated along the flue gas flow direction. According to the dynamic pressure rectification recharge inlet flow stabilizing structure, flue gas entering the system is subjected to rectification, speed reduction and pressure energy recovery, disordered turbulent flow is converted into a stable flow field, and an inlet dynamic pressure part is recharged to a pressure stabilizing ring to realize energy reutilization; the problems that traditional purification equipment is high in inlet turbulence, large in local pressure loss, high in fan load and uneven in airflow distribution are solved, inlet disturbance and total pressure loss of the system are reduced, the operation stability of a follow-up grading dust removal unit is improved, meanwhile, induced air power consumption is reduced, and the energy-saving performance of the system is improved.

The application discloses a preparation method of high-strength Lyocell regenerated cellulose fiber, and aims to solve the problem of insufficient mechanical strength of existing regenerated cellulose fiber caused by too wide molecular weight distribution of pulp. The method is characterized in that, through the synergistic effect of a mild pre-hydrolysis kraft (PHK) cooking process and an optimized multi-stage elemental chlorine-free (ECF) bleaching sequence (D0-E-D1), the lignin and hemicellulose are efficiently removed, and the long molecular chain of cellulose is maximally protected; through multi-stage gradient cold alkali extraction and purification treatment, the alkali concentration and low-temperature conditions are accurately controlled, and short-chain cellulose is selectively dissolved, so that the active regulation and narrowing of the molecular weight distribution of cellulose are realized, and a dissolving pulp with high polymerization degree and concentrated molecular weight distribution is obtained. Finally, the high-quality dissolving pulp is used to prepare Lyocell fiber with significantly enhanced mechanical properties through NMMO solvent system dry-jet wet spinning.

The invention relates to the technical field of sewage treatment, and discloses a method for treating chicken raising wastewater based on coupling of ultrasonic ozone and a sulfur autotrophic fungicide, which comprises the following steps: (1) performing ultrasonic-ozone combined pretreatment on the chicken raising wastewater; and (2) treating the effluent in an anaerobic reaction system containing a compound microbial agent and a sulfur-containing filler. According to the method, dephosphorization and wall breaking are enhanced through ultrasonic ozone, ammonia nitrogen is directly converted into nitrogen through the synergistic effect of the specially-made filler and the functional bacteria under the anaerobic condition, efficient nitrogen and phosphorus removal is achieved, the process is simplified, and operation is stable.

This utility model discloses an activated carbon adsorption tank for swimming pool water, belonging to the field of swimming pool water filtration. It includes an adsorption tank with a shell fixedly connected to both sides. A threaded rod is provided inside the shell, and a connecting plate is threaded onto the outer ring of the threaded rod. Insertion holes are provided on both sides of the connecting plate. A diatomaceous earth filter layer and an activated carbon adsorption layer are provided inside the adsorption tank, along with a primary filter screen. Through the coordinated use of these devices, the complexity of maintenance and the intensity of manual labor are reduced. It is particularly suitable for high-frequency commercial swimming pool environments, enabling rapid cleaning even when impurities accumulate quickly, shortening downtime, ensuring continuous operation of the swimming pool system, and improving equipment availability and maintenance efficiency.

The application provides a modular aquatic higher plant ecological treatment method and system for sea urchin / sea cucumber breeding tail water, and belongs to the technical field of breeding tail water treatment. The application adopts a tail water introduction-primary rough filtration-secondary ecological purification-tertiary deep purification gradient process, and the treated tail water is divided into two streams, one of which is used for breeding ponds and the other is discharged up to the standard. The application does not add chemical agents, realizes residue bait reuse and tail water circulation, is stable, efficient, low in cost, easy to maintain, suitable for large-scale breeding, and can directly reuse the treated tail water after disinfection, greatly saves seawater resources, forms a complete breeding water circulation closed loop, and has the advantages of ecology, practicability and economy, and is suitable for tail water treatment and resource utilization of various sea urchin / sea cucumber breeding modes.