Bheri-A Unique Example of Biological Complex System

Mukherjee,

doi:10.3844/ojbsci.2010.1.10

Cited by 3 publications

(2 citation statements)

References 28 publications

(35 reference statements)

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“…Bioremediation by bacteria has been well reported since it's both cost effective and efficient in terms of acclimation time (Nasipuri et al, 2010;Adeyemi, 2009;Mukherjee et al, 2010;Olajide and Ogbeifun, 2010). The results clearly depicts that bioremediation of soluble sulfate can be done with this novel consortium.…”

Section: Resultsmentioning

confidence: 65%

Microbial Consortia from Taptapani Hot Water Springs for Mining Effluent Treatment

Nasipuri¹

2010

American Journal of Microbiology

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Problem statement: Soluble sulfate load in effluent is a crucial problem from mining industries. The study involved isolation of efficient Sulfate Reducing Bacterial (SRB) consortium from hot water spring for bioremediatrion of sulfate contaminated waste water. Approach: The enriched bacterial consortium was isolated in medium DSMZ 16695. The sulfate reduction efficiency was measured by turbidometric method. The K m and R max value of the consortium was determined. It was immobilized in 10L bioreactor and the sulfate reduction was measured in presence of media and mine effluent. Results: The consortium was found to reduce 2000ppm of sulfate in 36h under optimum condition. The K m of 1.1530 ppm and R max value of 0.030h −1 was obtained under optimum conditions of pH-7.5 at 40°C with 2% inoculum. Consortium immobilized under ambient condition in a 10L packed bed reactor yielded about 21-41% reduction of soluble sulfate in synthetic medium prepared using effluent water and tap water respectively. Conclusion: This study reports for the first time the use of efficient SRB consortia from hot water spring for bioremediation of mine effluent.

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Section: Resultsmentioning

confidence: 65%

Microbial Consortia from Taptapani Hot Water Springs for Mining Effluent Treatment

Nasipuri¹

2010

American Journal of Microbiology

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“…The development of a semi-industrial multi fruit dryer system using simultaneous intelligent control was studied in (Javanmard et al, 2010). The study in (Mukherjee et al, 2010) proposed a unique studied attempt to characterize and model Bheri (shallow flat bottom waste water fed fishery) as a complex biological system. The research in (Youssef and Peng, 2010) proposed a method that could deal with fault-tolerant control system by using the decentralized control theory.…”

Section: Introductionmentioning

confidence: 99%

Petri Nets and Ladder Logic for Fully-Automating and Programmable Logic Control of Semi-Automatic Machines and Systems

Barghash¹,

Abuzeid²,

Al‐Rabadi³

et al. 2011

American Journal of Engineering and Applied Sciences

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Problem statement: Automating semi-automatic dynamic machines and complex systems, where some functionalities are already automated but the machine doesn't run fully in automatic mode, represents another challenge to automating dynamic and manual complex systems. This study deals with a special case of this general problem, where the system's semi-automatic and automatic functionalities run separately in a sequence with either automatic and/or semi-automatic functionality running at any point of time, but not both. Approach: Petri-nets can successfully represent the operations of both the semi-automated and fully-automated functionalities of such dynamic systems. Three roles for the programmable logic controllers were suggested: (a) Ignoring the presence of the semi-automatic part, (b) simulating the semi-automatic part and recognizing discrepancies and(c) simulating the semi-automatic functionalities and supporting it, where the last choice was most costly and most reliable. Results: This study presents a case study for a PVC mixing dynamic process to illustrate the three suggested controller design possibilities, where a Petri net model and related ladder logic program were developed to show these three controller design options. In this respect, the semiautomatic functionality is an intermediate step between the two automated functionalities, within which an important decision should be made to end the previous automatic step and to begin the next automatic step. Conclusion/Recommendations: The automation method that was introduced in this study is applicable to a large number of machines within industrial and mechanical systems that were built using older semi-automatic control systems. Various decision analyses {DA1, DA2, DA3} were shown to produce basic choices for such types of applications. Petri-nets and ladder logic in this respect can successfully represent the operations of both the semi-automated and fully-automated functionalities, where a Petri net model and the consequent ladder logic program, used to program the utilized programmable logic controller, are developed to show three possible controller designs, where the choice between three designs depend on the designers objective of cost, reliability and fault tolerance.

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Microbial Biofilm Reactor for Sustained Waste Water Treatment and Reuse

Chaudhuri

2022

Water Science and Technology Library

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Bheri-A Unique Example of Biological Complex System

Cited by 3 publications

References 28 publications

Microbial Consortia from Taptapani Hot Water Springs for Mining Effluent Treatment

Microbial Consortia from Taptapani Hot Water Springs for Mining Effluent Treatment

Petri Nets and Ladder Logic for Fully-Automating and Programmable Logic Control of Semi-Automatic Machines and Systems

Microbial Biofilm Reactor for Sustained Waste Water Treatment and Reuse

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