Image
Integrated chemical-biological textile sewage treatment plant in Biliński Textile Factory
Published on 15 May 2020
Poland
This is the good practice's implementation level. It can be national, regional or local.
About this good practice
The wastewater treatment and recycling system based on BAT implementation (based on BREF TXT) assumes its division into 3 streams:
1. About 50% of the sewage generated by the plant is low-loaded sewage with mineral pollution; it is subject to biological treatment
2. Consists of wastewater whose components could adversely affect the operation of the activated sludge; it is pre-treated with coagulation-flocculation and sent to the municipal sewerage system.
3. Consists of highly salinated waste water from the dyeing processes, after being treated by means of electrocoagulation, a brine is created, which is used again in the same process.
The chemical-biological sewage treatment plant has been designed as a system of sequenced treatment stages: filtration, heat exchange, pH adjustment, coagulation, biological treatment and ultra-filtration, and ozone treatment. The sewage treatment plant was also equipped with an oxygen stabilization system for excess sludge.
1. About 50% of the sewage generated by the plant is low-loaded sewage with mineral pollution; it is subject to biological treatment
2. Consists of wastewater whose components could adversely affect the operation of the activated sludge; it is pre-treated with coagulation-flocculation and sent to the municipal sewerage system.
3. Consists of highly salinated waste water from the dyeing processes, after being treated by means of electrocoagulation, a brine is created, which is used again in the same process.
The chemical-biological sewage treatment plant has been designed as a system of sequenced treatment stages: filtration, heat exchange, pH adjustment, coagulation, biological treatment and ultra-filtration, and ozone treatment. The sewage treatment plant was also equipped with an oxygen stabilization system for excess sludge.
Resources needed
Among others there are needed well qualified laboratory workers who test the water parameters and monitor the performance of biological and chemical sewage treatment plant, which includes testing of pH, redox, oxygen levels and miscibility. There is needed an automatic water measurement system
Evidence of success
1. Reusing 50% of water in production processes
2. Reducing the amount of water needed from 50 litres of water per 1 kg of textiles to 3 litres per 1 kg
3. An applied brine cleaning and recycling system is the first patented solution of this kind in the world (30% desalination)
2. Reducing the amount of water needed from 50 litres of water per 1 kg of textiles to 3 litres per 1 kg
3. An applied brine cleaning and recycling system is the first patented solution of this kind in the world (30% desalination)
Potential for learning or transfer
Yes. The technology is based on commonly used wastewater treatment techniques, which must be applied properly. It can therefore be transferred within the dedicated textile industry. However, it should be noted that each type of wastewater requires individually selected technology, while the general idea and system of water and wastewater management can be adapted to the needs of other industries.
Further information
Website
Good practice owner
You can contact the good practice owner below for more detailed information.
Organisation
Biliński Textile Factory
Poland
Contact
Chef Specialist