wastewater treatment biotechnology Articles
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Performance evaluation of fault detection methods for wastewater treatment processes. Biotechnology & Bioengineering
Abstract: Several methods to detect faults have been developed in various fields, mainly in chemical and process engineering. However, minimal practical guidelines exist for their selection and application. This work presents an index that allows for evaluating monitoring and diagnosis performance of fault detection methods, which takes into account several characteristics, such as false alarms, ...
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The effects of different aeration patterns on aerobic granulation
In this study, the effects of aeration patterns in terms of intra- (S1) and extra- (S2) aeration on aerobic granulation were investigated. Granules developed in S1 were retarded due to the high shear force of highly mixed air bubbles, and they were more solid while the S2 granules were porous with many distinct pores and channels. Mature granules in two series had comparable specific oxygen ...
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The ORP and pH profiles during simultaneous nitrification and denitrification of low carbon municipal wastewater
The ORP and pH profiles and the stability of Simultaneous Nitrification and Denitrification (SND) for low carbon municipal wastewater treatment were investigated under the different aeration modes in Sequencing Batch Reactor (SBR). The results showed that the 92% removal efficiency for TN, the smallest average level of ORP and both of the variation of ORP and pH values are achieved in ...
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Organic Membrane
Ceramic membrane technology and organic membrane technology can be used in combination. Organic membrane can follow ceramic membrane. We have organic membranes with wide range of pore sizes to different applications, from removing salt to filtering large particulates. JIUWU company can help you design the suitable membrane process. OVER VIEW OF ORGANIC MEMBRANES The application of membrane ...
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Mechanism and kinetics of Zn(II) removal from wastewater by immobilised beads of SRB sludge
The treatment of Zn(II)-bearing wastewater by immobilised Sulfate Reducing Bacteria (SRB) sludge beads of inner cohesive nutrient source was investigated, by which the traditional problems in SRB methods were resolved. The mechanism and kinetics model on Zn(II) removal were studied. The results showed that SO42− was reduced to S2− on the surface of SRB sludge beads, and Zn(II) precipitated ...
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