MBR膜處理技術(shù)?,即膜生物反應(yīng)器(Membrane Bioreactor),是一種將高效膜分離技術(shù)與活性污泥法相結(jié)合的新型污水處理技術(shù)。它廣泛應(yīng)用于各類污水處理項(xiàng)目,包括市政污水處理、工業(yè)廢水處理、生活污水處理等。
Membrane bioreactor (MBR) is a new wastewater treatment technology that combines high-efficiency membrane separation technology with activated sludge method. It is widely used in various wastewater treatment projects, including municipal wastewater treatment, industrial wastewater treatment, and domestic sewage treatment.
在MBR工藝中,污水首先進(jìn)入曝氣池,在這里,微生物通過吸附和代謝作用去除污水中的有機(jī)物。同時(shí),MBR工藝中的平片膜組件也起到了關(guān)鍵作用。這些膜組件被固定在曝氣池內(nèi),當(dāng)污水流過膜表面時(shí),水中的懸浮物、有機(jī)物以及部分溶解性污染物會(huì)被有效攔截并截留在膜表面。
In the MBR process, sewage first enters the aeration tank. Here, microorganisms remove organic matter in sewage through adsorption and metabolism. At the same time, the flat sheet membrane module in the MBR process also plays a key role. These membrane modules are fixed in the aeration tank. When sewage flows over the membrane surface, suspended solids, organic matter and some soluble pollutants in the water will be effectively intercepted and retained on the membrane surface.
MBR工藝的核心設(shè)備是膜組件,膜組件可由結(jié)構(gòu)形式分為中空纖維與平板膜,而平板膜則又分為有機(jī)材料平板膜(常見的有PVDF/PTFE),無機(jī)材料(陶瓷平板膜),這些膜組件具有高通量、高截留率、抗污染能力強(qiáng)等特點(diǎn)。在MBR工藝中,膜組件通常被放置在曝氣池內(nèi),與微生物共同生長(zhǎng)。當(dāng)污水流經(jīng)膜表面時(shí),水中的污染物會(huì)被膜截留,然后通過膜孔排出到外部,實(shí)現(xiàn)凈化水質(zhì)的目標(biāo)。
The core equipment of the MBR process is the membrane module. Membrane modules can be divided into hollow fiber and flat sheet membranes according to their structural forms. Flat sheet membranes can be further divided into organic flat sheet membranes (commonly PVDF/PTFE) and inorganic materials (ceramic flat sheet membranes). These membrane modules have characteristics such as high flux, high rejection rate, and strong anti-pollution ability. In the MBR process, membrane modules are usually placed in the aeration tank and grow together with microorganisms. When sewage flows over the membrane surface, pollutants in the water will be intercepted by the membrane and then discharged to the outside through the membrane pores to achieve the goal of purifying water quality.
總的來說,MBR工藝和膜組件在污水處理中起到了重要作用。它們結(jié)合了高效的膜分離技術(shù)和傳統(tǒng)的生物處理方法,能夠有效地去除污水中的懸浮物、有機(jī)物以及部分溶解性污染物,使出水達(dá)到排放標(biāo)準(zhǔn)或者再利用要求。
Overall, MBR processes and membrane modules play an important role in wastewater treatment. They combine efficient membrane separation technology with traditional biological treatment methods to effectively remove suspended solids, organic matter and some dissolved pollutants in wastewater, so that the effluent can meet discharge standards or reuse requirements.