Complexes for packaged-modular treatment of domestic wastewater
Packaged-modular complexes for the treatment of household wastewater are designed for complete biological treatment of household wastewater and industrial wastewater similar in composition. The technological process for treating household wastewater, implemented in these installations, ensures the treatment of household wastewater to the requirements of standards for the discharge of treated wastewater into reservoirs of the highest fishery category.
The complex for packaged-modular treatment of domestic wastewater is a packaged-modular design of complete factory readiness; Packaged containers docked together form an insulated building in which all the necessary structures and equipment are installed.
This design provides conditions for sufficient thermal insulation and ease of operation of treatment facilities in cold climates. Packaged modules can be placed on both concrete and pile foundations. Packaged modules (buildings) are insulated with sandwich panels and equipped with engineering systems: heating, supply and exhaust ventilation, electric lighting, and internal grounding loop. Additionally, the kit may include the following equipment: security and fire alarms, access control systems, low-current systems, heating cables for connection to external utilities.
Upon request for any type a customized design can be made:
- “northern” (for areas with a minimum temperature below minus 50 degrees C);
- seismic resistant (in areas with increased seismic activity);
- explosion-proof (at particularly hazardous facilities in explosion and fire hazardous areas);
- marine, tropical, as well as any special types of designs at the request of the Customer.
Domestic wastewater has a high level of pollution and requires effective and thorough treatment, carried out in several stages:
- mechanical cleaning (drum screen, sand trap, mechanical screen, hydrocyclone);
- reagent treatment (coagulant, flocculant, pH adjustment, acid treatment);
- physical and chemical treatment (settler, flotator, pressure filters);
- ion exchange (cation exchange, anion exchange filters, softening filters);
- biological wastewater treatment;
- baromembrane methods (reverse osmosis, ultrafiltration, nanofiltration, microfiltration);
- wastewater disinfection;
- processing of the resulting sediments. The slag collected during the process of physical, chemical and biological treatment must not only be collected, but also dehydrated, processed and disposed of.
Application
- Pharmaceutical industry;
- Petrochemical industry;
- Food industry;
- Agricultural and chemical industry;
- Metallurgy;
- Pulp and paper industry.
- Production of mineral fertilizers.
- Energy industry;
Part of the equipment
- unit for preliminary mechanical wastewater treatment;
- regulating tank - homogenizer;
- deep biological treatment unit (aeration tank - dephosphating, denitrification, nitrification; secondary settling tank);
- tertiary treatment unit;
- sludge dewatering unit (excess activated sludge, primary settling tank sludge);
- purified wastewater disinfection unit;
- automated control system, instrumentation and automation kit;
- installations for the preparation and dosing of reagents;
- compressor and pumping equipment, a set of piping and shut-off and control valves.
- Mechanical engineering enterprises;
Advantages
- Use of modern, highly efficient equipment
- Possibility of reserving spare parts for the warranty period
- Application of the most modern cleaning technologies
- Adaptability of installations to changes in wastewater composition, resistance to burst pollution
- The capacity of the installations can easily be increased by simply adding new cleaning units
- Automated process system
- Low noise level
- Delivery to site in full factory readiness
- The service life of treatment facilities is more than 50 years
- Possibility of use at facilities in the Far North at temperatures down to – 55°C, in the middle zone and in earthquake-prone regions