P. Sivakumar

• Professor (Assistant) at Arignar Anna Government Arts College, Namakkal - 637 002

In present study, the preparation of solar active photocatalyst and its application for the detoxification and degradation of dye molecules in aqueous medium is demonstrated. The reduced graphene oxide (rGO) is prepared from graphene oxide (GO) using Carica papaya leaf extract. Nanosize CeO2 was coated over the rGO surface to make a nanocomposite p...

ZnO nanowire (NW), ZnO/CeO2 solid solution nanowire (SSNW) and composite nanowire (CNW) were resulted by varying the proportions of CeO2, synthesized by bio-morphing. The nano sized cellulosic fibrils present inside the micro fiber bundles of banana (Musa Balbisiana Colla) pseudo stem were used as bio-morphing template. The high aspect ratio of NW...

Nano Carbon Hollow Spheres (NCHS) with a mean size of 40–70 nm were synthesized from Ricinus Communis (RC) oil by air controlled, low temperature direct pyrolysis in an indigenous reactor assembly using multi-metal catalyst derived from Alternanthera sessilis stem. The multi-metals present in the stem acts as a green catalyst for the formation of N...

Presently there is a growing interest in the preparation and application of nanometal oxides. They can exhibit excellent results when applied in various kinds of industries like pharmaceutical, fertilizers, engineering etc,. Several techniques have been proposed for the synthesis nanometal oxides such as CVD, Sol-Gel Synthesis, Microwave synthesis...

An eco-friendly adsorbent is developed by coating polyaniline over an activated carbon prepared from the seeds of Prosopis Juliflora using ZnCl2 as an activating agent (PPAC). The polymer bound adsorbent has good adsorption characteristics with a surface area of 1028 m(2)/g. A continuous flow fixed bed study is carried out by using PPAC as an adsor...

An activated carbon prepared from unripe fruits of Wrightia tinctoria by two-step microwave irradiation with optimum duration produces activated carbon with a surface area of 911 m²/g. The prepared activated carbon (WAC) utilized for the removal of hexavalent chromium from wastewater. Effect of pH indicates that maximum quantity of Cr(VI) can be re...

A novel non-conventional activated carbon with good surface characteristics was synthesized using Wrightia tinctoria fruits as a precursor material under two stage microwave heating. The synthesized activated carbon has a BET surface area of 911m2/g. The adsorptive capability of the prepared adsorbent (WAC) was tried using Ni(II) as an adsorbate. T...

The graphite oxide is synthesized from graphite powder using modified Hummers method and then intercalated using urea. Microwave radiation is used to exfoliate and reduce urea intercalated graphite oxide to few layer graphene. Since the microwave irradiation over urea intercalated graphite oxide raises the temperature rapidly, the evolution of mois...

An activated carbon fiber (ASC) synthesized from silk cotton fiber had been converted into a photocatalyst by loading nano-titanium dioxide (TiO2) [in anatase and rutile form] onto ASC. This novel photocatalyst (ASC-TiO2) was found to be active in UV and visible region of electromagnetic spectrum, and tested for its effectiveness in the removal of...

Photocatalysis is one of the versatile technologies among all the robust technologies available for the treatment of dyeing industrial wastewater. Recently bismuth based catalysts attracts the attention of many scientists who are working towards an efficient and economical methodology for the treatment of dye effluents. Novel synthetic pathways sho...

Photocatalysts are playing a major role in the treatment of industrial effluents. They find an extensive application in the decolourization of textile dyes like methyl orange (MO), methylene blue (MB), rhodamine B (RhB), azo dye (4BS). Organic pollutants like phenol, pentachlorophenol (PCP) are also decomposed in the presence of the photocatalysts...

The skill transfer is an essential step in an enterprise resource planning (ERP) implementation project. The training is required at two levels for the client members in the project. In the first level, the key users/process owners are required to be trained on the functionality and major features of the software package. This training, if given be...

Enterprise resource planning (ERP) application provides the users the flexibility to customize the standard application functionality to suit the specific business needs, which is not supported by the standard application product. Developing additional reports as per business requirement of the organization also falls under the scope of customizati...

The objective of project management is to provide a framework in which all types of enterprise resource planning (ERP) application projects can be planned, estimated, controlled, and completed in a consistent manner. ERP application projects are characterized by a high degree of uncertainty. The project management concept focuses on the additional...

This is the phase where the client validates the software to find out whether the solution provided is fit for their use and satisfies their business needs. After successful testing of each software component by the consultants themselves, it is handed over to the client for acceptance testing. Bugs/defects detected during acceptance testing are to...

Although enterprise resource planning (ERP) application is meant for capture and to process the entire gamut of enterprise business, there are areas where a bridge between an existing and legacy application is very much required. These are required in the following two conditions:

The purpose of the Conference Room Pilot (CRP) is to install the CRP instance, configure the core application, and perform business transactions with the client key process owners to establish that the basic client’s business process framework is properly configured within the core enterprise resource planning (ERP) application installation at the...

This chapter discusses the holistic integration approach that a management school has to adopt so that the students are equipped with enough skills and techniques to face the challenges of the varying business dynamics. There is a need for B schools to integrate academic activities with all other relevant processes such that at the end of their ten...

The objective of production migration is to migrate the organization, systems, and people to the new enterprise system. The production environment is prepared in this phase. The database instances are created, applications are set up, and initial data (master data, open transaction, and required historical transactions) are migrated from the legacy...

While implementing enterprise resource planning applications in multisite organization environment, it is implemented first at one pilot site. After stabilization of the system at the pilot site, the system is implemented at other sites using the procedures and configuration data, and customization of the pilot site is carried out as far as possibl...

The purpose of the core process analysis is to define the business requirements of the new application system aligned to the future business model as conceived by the client. The principle activities during the business requirement definition are as follows: Business requirement mapping and gap analysis is an iterative approach with the following o...

In order to sustain and grow further, an organization must deal with all sales holders such as employees, stakeholders and the environment. The organization must design an information system that would collect information as well as provide required information to all these stakeholders. Accordingly, business processes must be organized in such a w...

The purpose of the system integration test is to test the operation of the business system across and between application systems. Business system testing emphasizes on a common planning approach for all types of testing and advocates the reuse of deliverable components to test successively larger aspects of the application system.

An attempt was made to prepare an activated carbon from Prosopis juliflora seeds and it was coated in a polyaniline matrix. The prepared adsorbent has a BET surface area of 1028 m2/g. The adsorbent was analyzed for its ability to remove Direct Red 23 in its aqueous solution. Effect of pH proves that maximum uptake of DR23 by PPAC was obtained at pH...

Activated Carbon (TPAC) of high adsorption capacities and highly active surface properties were prepared from Thevetia peruviana by physical and chemical processes such as direct pyrolysis, dolomite process, Chemical activation with H 2 SO 4 + H 2 O 2 , impregnation of raw material with Conc. H 2 SO 4 , KOH, ZnCl 2 and H 3 PO 4 solution respectivel...

The capability of activated carbon from Euphorbia tirucalli L wood for the adsorption of acid dyes from aqueous solution was investigated. Batch experiments were carried out for the adsorption of Acid Blue 15 and Acid Orange 10 onto activated carbon (ETAC). The removal of acid dyes from aqueous solution using ETAC was investigated in terms of initi...

Six varieties of activated carbon prepared from Prosopis juliflora seed using various chemical agents. The properties of the activated carbon's mostly depend on the production method and the type of the raw material. The maximum BET surface area obtained for an activated carbon prepared using ZnCl2as an activating agent was found to be around 1137...

A low cost adsorbent was synthesized from Martynia annua, L. using phosphoric acid as an activating agent and it was applied for the removal of Colocid Blue FF DC (CAB) dye from aqueous solutions. The BET surface area of the adsorbent was found to be 401.103m2/g. The adsorption capacity of the carbon was also investigated at different contact times...

A Novel adsorbent was prepared by coating polyaniline over an activated carbon prepared from the seeds of Prosopis Juliflora using ZnCl2 as activating agent (PPAC). The adsorbent reinforced with polyaniline has good adsorption characteristics with a surface area of 1028 m2/g. Column mode adsorption study was carried out by using PPAC as an adsorben...

Highly active carbons X1 and X2 were prepared from the seeds of Xanthium strumarium L using Phosphoric acid and KOH as chemical activating agents respectively. The adsorption ability of the prepared adsorbents was analysed using Congo Red (CR) dye. The SEM images show that the adsorbent has well developed porosity with more adsorption functionaliti...

The present research work provides information on the dye removal potential of polypyrrole saw dust composite, prepared by reinforcement of natural wood saw dust (obtained from Euphorbia tirucalli L wood) and polypyrrole matrix phase. Dye adsorption on polypyrrole composite was characterized in terms of adsorption isotherm, kinetics and the paramet...

In the present study, polyaniline nano composite was synthesized through direct chemical polymerization. Polyaniline nano composite was tested for the removal of reactive dye, reactive orange 4 from aqueous solutions by batch adsorption technique under varying conditions of agitation time, dye concentration, pH and temperature. Lower solution pH (3...

Activated carbon prepared from Euphorbia tirucalli L wood (ETAC) by chemical activation with phosphoric acid has been analysed for the removal of Reactive Red and Reactive Blue dyes from aqueous solutions through batch adsorption technique. Lower solution pH favours the adsorption of reactive dyes. The amount of dye adsorbed per unit mass of adsorb...

Several analytical models have been developed to solve the integrated production distribution problems in Supply Chain Management SCM. In certain multi-stage service supply chain like blood banks, the term 'production' is referred as collection. It is often crucial to consider the inventory and distribution costs for successful decision making in m...

Microporous activated carbons with high surface area are of great interest for the remediation of textile wastewater in a sustainable manner. An activated carbon prepared from Euphorbia antiquorum L (EAC) was impregnated with Polyvinyl alcohol solution to provide mechanical stability and increase the abrasion resistance. The surface area of EAC and...

Removal of basic yellow 2 from aqueous solution by adsorbing it on an activated carbon prepared from Ananas Comosus (L) leaves was investigated by batch method. The studies were conducted by varying the pH, initial dye concentration, contact time and temperature. The sorption data was analyzed using the Langmuir, Freundlich, Tempkin isotherm and Du...

The core issue of this paper is efficient balancing of allocation of customers among multiple distribution centres. Allocation involves clustering of customers in such a way that the associated resources in terms of cost and time are minimal. Ready solution to this problem could be through non-deterministic polynomial (NP)-hard type model. But NP-h...

The adsorptive removal of Acid Green 25 by Ananas Comosus (L) Activated carbon was investigated in this study. The effects of initial dye concentration, contact time, pH and temperature were studied for the adsorption of Acid Green 25 in batch mode. At 100 mg/L of initial dye concentration the adsorbent removes 182.6 mg/g of dye from solution; it f...

Poly Pyrrle saw dust composite was prepared by reinforcement of natural wood saw dust (obtained from Euphorbia Tirucalli L wood) and Poly Pyrrole matrix phase. The present study investigates the adsorption behaviour of Poly Pyrrole Saw dust Composite towards reactive dye. The batch adsorption studies were carried out by varying solution pH, initial...

Vehicle routing problem (VRP) is widely dealt within the last four decades. We seek to understand the state of the art in VRP in the context of sustainable supply chain and proposed new six VRP variants encountered in sustainable supply chain routing (SSCR) context but have not been given attention to hitherto. These variants of the classical VRP a...

In this research, Polyaniline coated sawdust (Polyaniline nano composite) was synthesized via direct chemical polymerization and used as an adsorbent for the removal of acid dye (Acid Violet 49) from aqueous solutions. The effect of some important parameters such as pH, initial concentration of dye, contact time and temperature on the removal effic...

This study analyses the feasibility of removing Direct Blue 71 from aqueous solution by different adsorbents such as activated carbon (TPAC) and Poly pyrrole polymer composite (PPC) prepared from Thevetia Peruviana. Batch mode adsorption was performed to investigate the adsorption capacities of these adsorbents by varying initial dye concentration,...

An extended variant of mixed capacitated arc routing problems (MCARP) with upper bound on number of vehicle is considered in this study for the application of waste collection problem and it is termed as integrated resource allocation and routing problem with upper bound (IRARPUB) problem. Composite heuristic leveraging Dijkstra's algorithm and loc...

This paper reports the adsorption potential of activated carbon prepared from Euphorbia antiquorum L wood by H3PO4 impregnation in batch mode experiments. The effects of various process controlling parameters such as solution pH, adsorbate concentration and temperature are analyzed. Maximum of 58.40 mg/g of dye adsorbed at a pH of 2.0 and the adsor...

In this paper we present approach for simulation of supply chain using a simulation package. The objective is to develop general modules for the simulation of supply chain, which can be used for simulation of complex supply chain. Simulation model has flexibility of using different ordering policies and different set of parameters for different nod...

A systematic study has been carried out to assess the water contamination and the effect of the tanneries & dyeing industries effluents on Kalingarayan Canal, Erode District, Tamil Nadu. Ten sampling locations were selected in the way of the canal from its origin point and the water samples were collected from the selected sampling points. The samp...

Abstract: A systematic study has been carried out to assess the water contamination and the effect of the tanneries & dyeing industries effluents on Kalingarayan Canal, Erode District, Tamil Nadu. Ten sampling locations were selected in the way of the canal from its origin point and the water samples were collected from the selected sampling points...

One type of decision of major importance that directly affects the performance of an agile manufacturing and distribution supply chain is the routing and scheduling of delivery trucks. Routing of vehicles leads to optimisation of logistics operations in enterprise networks. The present study addresses multiple-vehicle pick-up and delivery problems...

Adsorbents prepared from waste plants for the treatment of dyeing effluents have high significance in environmental sustainability. In this research, an attempt is made to analyze the applicability of activated carbon prepared from Euphorbia antiquorum L wood by H3PO4 activation method for the removal of Acid Blue 92 dye. Various kinetic models wer...

This study presents effect of influent concentration, flow rate and bed height on packed bed column prepared by Euphorbia antiquorum L activated carbon used for adsorptive removal of dyes, Reactive Red 4 and Direct Blue 53. Adsorption efficiency increases with increase in influent concentration and bed depth and decreases with increase in flow rate...

The adsorptive removal of Acid blue 92 and Basic red 29 dyes was achieved using a packed column prepared by Euphorbia antiquorum L activated carbon. The effects of various factors like influent concentration, flow rate and bed height were analysed. The column experiments using Euphorbia antiquorum L activated carbon showed that adsorption efficienc...

In this investigation, the mechanism of the adsorption of Basic Red 29 from aqueous solution using an activated carbon prepared from Euphorbia antiquorum L wood was studied. The adsorption reaches the equilibrium at 90 minutes of contact time. The kinetic data were fitted to the pseudo first-order, pseudosecond-order, Elovich and intraparticle diff...

Health services and private medical agencies have started to demand measurable value for money and there has been a change in attitude amongst many medical practitioners, who have realised that some economic tools can help them carry out their work more effectively. This paper deals with order quantity and vendor allocation model to determine the n...

The integrated problem of allocating and routing blood for a public and private health care system is addressed. We modelled the problem as multiple-vehicle, multi-depot, multi-criteria allocation-routing problem which is termed as integrated allocation-routing (IAR) problem. We propose a three-phase composite analytical model (CAM) to solve IAR pr...

Logistics is no longer seen as tactical and cost-driven -- it is strategic. Considering the driver-on-time rules and with the perishable nature of the products, the travel length/time is one of the critical constraints in distribution logistics. We consider a typical logistics problem with maximum route length constraint. The variant is termed as s...