BAF For Printing And Dyeing Wastewater Treatment
Printing and dyeing wastewater is a type of industrial wastewater with high chroma, poor biodegradability, and large fluctuations in water quality and water volume. 80% of the wastewater in the printing and dyeing industry is textile wastewater.
Send InquiryBAF for printing and dyeing wastewater treatment Introduction
Printing and dyeing wastewater is a type of industrial wastewater with high chroma, poor biodegradability, and large fluctuations in water quality and water volume. 80% of the wastewater in the printing and dyeing industry is textile wastewater.
Product detail
Original: Jiangsu, China
Certification: ISO9001, ISO14001, etc.
Price: Negotiable
Payment term: TT, LC
Delivery date: Negotiable
Packing: export standard
Market: Middle East/ Africa/Asia/South America/Europe/North America
Warranty: 1 year
MOQ: 1 set
Equipment Features
The components of the BAF aerated biological filter include: filter plate, long-handled anti-blocking filter head, single-hole membrane air diffuser, pebble cushion, spherical bioceramics.
The materials required for the installation and molding of the filter plate of the filter tank: cement, soilless fine sand, 903 or 905 polymer adhesive, pressure plate or pressure belt, fixing bolts.
The material of the single-hole membrane air diffuser: main pipe and branch pipe (material is ABS or upvc), single-hole rubber diaphragm, upper pipe clamp, lower pipe clamp, left fixing card, right fixing card, stainless steel expansion bolt, single hole membrane , Aeration bracket, etc.
Biological aerated filter as a combination of biological oxidation and retention of suspended solids, saves the subsequent sedimentation tank (secondary sedimentation tank), has a volume load, a large hydraulic load, a short hydraulic retention time, less capital investment required, and good effluent quality: Low energy consumption and low operating costs.
Product Advantage
BAF aerated biological filter is generally used for advanced treatment of sewage treatment plants, with the main goal of organic matter removal. Aerated biological filter saves the subsequent sedimentation tank, has a volume load, a large hydraulic load, and a short hydraulic residence time. It requires less capital investment and good effluent quality: low energy consumption and low operating costs.
BAF is generally used at the biochemical end of low load, mass transfer and flushing of aeration system. The BAF process requires pretreatment of the incoming water, otherwise a large amount of impurities and SS in the raw water will enter the aeration filter, which will block the aeration and water distribution system. Especially when the filter is used for secondary treatment, it is often necessary to add chemicals to meet this requirement. The use of chemicals not only increases the operating cost, but some chemicals will also reduce the alkalinity, which will affect the denitrification. It needs to be considered when using the BAF process these questions.
When the load of biological aerated filter in the water is 1.03m3 / (m2 ยท h), the removal rate of COD is 31.1% .After pretreatment by nanofiltration, the turbidity and SDI value of the mechanical filtration and coagulation sediment are about It is 1.66NTU and 4.2; after the application of biological aerated filter treatment, the effect of recycling the effluent from the discharge port of the station is very significant.
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