The Experts below are selected from a list of 154164 Experts worldwide ranked by ideXlab platform

S K Mallick - One of the best experts on this subject based on the ideXlab platform.

  • pollution prevention with chemical process simulators the generalized waste reduction war algorithm full version
    Computers & Chemical Engineering, 1999
    Co-Authors: Heriberto Cabezas, Jane C Bare, S K Mallick
    Abstract:

    A general theory for the flow and the generation of Potential Environmental Impact through a chemical process has been developed. The theory defines six Potential Environmental Impact indexes that characterize the generation of Potential Impact within a process, and the output of Potential Impact from a process. The indexes are used to quantify pollution reduction and to develop pollution reducing changes to process flow sheets using process simulators. The Potential Environmental Impacts are calculated from stream mass flow rates, stream composition, and a relative Potential Environmental Impact score for each chemical present. The chemical Impact scores include a comprehensive set of nine effects ranging from ozone depletion Potential to human toxicity and ecotoxicity. The resulting waste reduction methodology or WAR algorithm is illustrated with two case studies using the chemical process simulator Chemcad III (Use does not imply USEPA endorsement or approval of Chemcad III).

  • Pollution prevention with chemical process simulators: the generalized waste reduction (WAR) algorithm—full version
    Computers & Chemical Engineering, 1999
    Co-Authors: Heriberto Cabezas, Jane C Bare, S K Mallick
    Abstract:

    A general theory for the flow and the generation of Potential Environmental Impact through a chemical process has been developed. The theory defines six Potential Environmental Impact indexes that characterize the generation of Potential Impact within a process, and the output of Potential Impact from a process. The indexes are used to quantify pollution reduction and to develop pollution reducing changes to process flow sheets using process simulators. The Potential Environmental Impacts are calculated from stream mass flow rates, stream composition, and a relative Potential Environmental Impact score for each chemical present. The chemical Impact scores include a comprehensive set of nine effects ranging from ozone depletion Potential to human toxicity and ecotoxicity. The resulting waste reduction methodology or WAR algorithm is illustrated with two case studies using the chemical process simulator Chemcad III (Use does not imply USEPA endorsement or approval of Chemcad III).

  • pollution prevention with chemical process simulators the generalized waste reduction war algorithm
    Computers & Chemical Engineering, 1997
    Co-Authors: Heriberto Cabezas, Jane C Bare, S K Mallick
    Abstract:

    A general theory for the flow and the generation of Potential Environmental Impact through a chemical process has been developed. The theory defines six Potential Impact indexes that characterize the generation of Potential Impact within a process, and the output of Potential Impact from a process. The indexes are used to quantify and to guide pollution reduction with changes to process flow sheets using process simulators. The Potential Environmental Impacts are calculated from stream mass flow rates, stream composition, and a relative Potential Impact score for each chemical present. The chemical Impact scores include a comprehensive set of nine effects ranging from ozone depletion Potential to human toxicity and ecotoxicity. The resulting Waste Reduction methodology or WAR Algorithm is illustrated with a case study using the chemical process simulator Chemcad III (Does not imply USEPA endorsement of Chemcad III).

Heriberto Cabezas - One of the best experts on this subject based on the ideXlab platform.

  • pollution prevention with chemical process simulators the generalized waste reduction war algorithm full version
    Computers & Chemical Engineering, 1999
    Co-Authors: Heriberto Cabezas, Jane C Bare, S K Mallick
    Abstract:

    A general theory for the flow and the generation of Potential Environmental Impact through a chemical process has been developed. The theory defines six Potential Environmental Impact indexes that characterize the generation of Potential Impact within a process, and the output of Potential Impact from a process. The indexes are used to quantify pollution reduction and to develop pollution reducing changes to process flow sheets using process simulators. The Potential Environmental Impacts are calculated from stream mass flow rates, stream composition, and a relative Potential Environmental Impact score for each chemical present. The chemical Impact scores include a comprehensive set of nine effects ranging from ozone depletion Potential to human toxicity and ecotoxicity. The resulting waste reduction methodology or WAR algorithm is illustrated with two case studies using the chemical process simulator Chemcad III (Use does not imply USEPA endorsement or approval of Chemcad III).

  • Pollution prevention with chemical process simulators: the generalized waste reduction (WAR) algorithm—full version
    Computers & Chemical Engineering, 1999
    Co-Authors: Heriberto Cabezas, Jane C Bare, S K Mallick
    Abstract:

    A general theory for the flow and the generation of Potential Environmental Impact through a chemical process has been developed. The theory defines six Potential Environmental Impact indexes that characterize the generation of Potential Impact within a process, and the output of Potential Impact from a process. The indexes are used to quantify pollution reduction and to develop pollution reducing changes to process flow sheets using process simulators. The Potential Environmental Impacts are calculated from stream mass flow rates, stream composition, and a relative Potential Environmental Impact score for each chemical present. The chemical Impact scores include a comprehensive set of nine effects ranging from ozone depletion Potential to human toxicity and ecotoxicity. The resulting waste reduction methodology or WAR algorithm is illustrated with two case studies using the chemical process simulator Chemcad III (Use does not imply USEPA endorsement or approval of Chemcad III).

  • pollution prevention with chemical process simulators the generalized waste reduction war algorithm
    Computers & Chemical Engineering, 1997
    Co-Authors: Heriberto Cabezas, Jane C Bare, S K Mallick
    Abstract:

    A general theory for the flow and the generation of Potential Environmental Impact through a chemical process has been developed. The theory defines six Potential Impact indexes that characterize the generation of Potential Impact within a process, and the output of Potential Impact from a process. The indexes are used to quantify and to guide pollution reduction with changes to process flow sheets using process simulators. The Potential Environmental Impacts are calculated from stream mass flow rates, stream composition, and a relative Potential Impact score for each chemical present. The chemical Impact scores include a comprehensive set of nine effects ranging from ozone depletion Potential to human toxicity and ecotoxicity. The resulting Waste Reduction methodology or WAR Algorithm is illustrated with a case study using the chemical process simulator Chemcad III (Does not imply USEPA endorsement of Chemcad III).

Jane C Bare - One of the best experts on this subject based on the ideXlab platform.

  • pollution prevention with chemical process simulators the generalized waste reduction war algorithm full version
    Computers & Chemical Engineering, 1999
    Co-Authors: Heriberto Cabezas, Jane C Bare, S K Mallick
    Abstract:

    A general theory for the flow and the generation of Potential Environmental Impact through a chemical process has been developed. The theory defines six Potential Environmental Impact indexes that characterize the generation of Potential Impact within a process, and the output of Potential Impact from a process. The indexes are used to quantify pollution reduction and to develop pollution reducing changes to process flow sheets using process simulators. The Potential Environmental Impacts are calculated from stream mass flow rates, stream composition, and a relative Potential Environmental Impact score for each chemical present. The chemical Impact scores include a comprehensive set of nine effects ranging from ozone depletion Potential to human toxicity and ecotoxicity. The resulting waste reduction methodology or WAR algorithm is illustrated with two case studies using the chemical process simulator Chemcad III (Use does not imply USEPA endorsement or approval of Chemcad III).

  • Pollution prevention with chemical process simulators: the generalized waste reduction (WAR) algorithm—full version
    Computers & Chemical Engineering, 1999
    Co-Authors: Heriberto Cabezas, Jane C Bare, S K Mallick
    Abstract:

    A general theory for the flow and the generation of Potential Environmental Impact through a chemical process has been developed. The theory defines six Potential Environmental Impact indexes that characterize the generation of Potential Impact within a process, and the output of Potential Impact from a process. The indexes are used to quantify pollution reduction and to develop pollution reducing changes to process flow sheets using process simulators. The Potential Environmental Impacts are calculated from stream mass flow rates, stream composition, and a relative Potential Environmental Impact score for each chemical present. The chemical Impact scores include a comprehensive set of nine effects ranging from ozone depletion Potential to human toxicity and ecotoxicity. The resulting waste reduction methodology or WAR algorithm is illustrated with two case studies using the chemical process simulator Chemcad III (Use does not imply USEPA endorsement or approval of Chemcad III).

  • pollution prevention with chemical process simulators the generalized waste reduction war algorithm
    Computers & Chemical Engineering, 1997
    Co-Authors: Heriberto Cabezas, Jane C Bare, S K Mallick
    Abstract:

    A general theory for the flow and the generation of Potential Environmental Impact through a chemical process has been developed. The theory defines six Potential Impact indexes that characterize the generation of Potential Impact within a process, and the output of Potential Impact from a process. The indexes are used to quantify and to guide pollution reduction with changes to process flow sheets using process simulators. The Potential Environmental Impacts are calculated from stream mass flow rates, stream composition, and a relative Potential Impact score for each chemical present. The chemical Impact scores include a comprehensive set of nine effects ranging from ozone depletion Potential to human toxicity and ecotoxicity. The resulting Waste Reduction methodology or WAR Algorithm is illustrated with a case study using the chemical process simulator Chemcad III (Does not imply USEPA endorsement of Chemcad III).

Alexandre Nercessian - One of the best experts on this subject based on the ideXlab platform.

  • Towards forecasting volcanic eruptions using seismic noise
    Nature Geoscience, 2008
    Co-Authors: Florent Brenguier, Nikolai M Shapiro, Michel Campillo, Valerie Ferrazzini, Zacharie Duputel, Olivier Coutant, Alexandre Nercessian
    Abstract:

    Volcanic eruptions are preceded by increased magma pressures, leading to the inflation of volcanic edifices1. Ground deformation resulting from volcano inflation can be revealed by various techniques such as spaceborne radar interferometry2, or by strain- and tiltmeters3. Monitoring this process in real time can provide us with useful information to forecast volcanic eruptions. In some cases, however, volcano inflation can be localized at depth with no measurable effects at the surface, and despite considerable effort4, 5 monitoring changes in volcanic interiors has proven to be difficult. Here we use the properties of ambient seismic noise recorded over an 18-month interval to show that changes in the interior of the Piton de la Fournaise volcano can be monitored continuously by measuring very small relative seismic-velocity perturbations, of the order of 0.05%. Decreases in seismic velocity a few weeks before eruptions suggest pre-eruptive inflation of the volcanic edifice, probably due to increased magma pressure. The ability to record the inflation of volcanic edifices in this fashion should improve our ability to forecast eruptions and their intensity and Potential Environmental Impact.

Aleksey Ulybin - One of the best experts on this subject based on the ideXlab platform.

  • Assessing Potential Environmental Impact and construction cost of reclaimed masonry walls
    The International Journal of Life Cycle Assessment, 2019
    Co-Authors: Deniz Üçer Erduran, Soofia Tahira Elias-ozkan, Aleksey Ulybin
    Abstract:

    PurposeThe recovery of building materials and their reuse in new construction should be considered during the design stage of every new project. This study was conducted to quantify the Potential Environmental Impacts and the economic feasibility of reusing waste material in new constructions with an applicable design solution.MethodsWall pieces reclaimed from the demolition debris of a historic building in St. Petersburg, Russia, were inspected for Potential reuse, and their mechanical strengths were determined through laboratory tests. A proposal for the construction of a reclaimed wall was formulated, which took advantage of the strength of the recovered material and suggested solutions for overcoming its weaknesses. The proposed wall was tested for its Potential Environmental Impact with the help of SimaPro software, and its cost was calculated by using current prices available on the websites of local companies providing materials or services. Finally, the Environmental and cost factors of the reclaimed wall were compared with those of an equivalent new masonry wall.Results and discussionThe strength tests carried out validated the feasibility of reusing the reclaimed wall sections. The results from the life cycle assessment (LCA) models in SimaPro indicated that a wall built with secondary blocks could have a lower Environmental Impact than one built with new bricks. On the other hand, due to the expensive equipment used in cutting the blocks, the cost of the reclaimed wall was calculated to be nearly 1.9 times the cost of an equivalent wall with new bricks.ConclusionsLCA simulation of the new wall was conducted with generic datasets belonging to a broader geographical boundary, while those for the reclaimed wall were performed with data obtained from a small-scale case study conducted to determine the feasibility of reusing demolition waste. This study demonstrated that an efficient process for the recovery and reuse of such materials should include a design proposal that takes into consideration the parameters determined from an inspection of the condition of the debris, an assessment of the Potential Environmental Impacts, and an estimation of the related costs. It was further determined that such a design can be instrumental in offering a less costly and more Environmentally friendly alternative to dumping the rubble into landfills. The findings of this study will help fill the current gap in the literature regarding the LCA of walls, with a focus on the strength and condition of the wall material after demolition has taken place.

  • Assessing Potential Environmental Impact and construction cost of reclaimed masonry walls
    The International Journal of Life Cycle Assessment, 2019
    Co-Authors: Deniz Üçer Erduran, Soofia Tahira Elias-ozkan, Aleksey Ulybin
    Abstract:

    The recovery of building materials and their reuse in new construction should be considered during the design stage of every new project. This study was conducted to quantify the Potential Environmental Impacts and the economic feasibility of reusing waste material in new constructions with an applicable design solution. Wall pieces reclaimed from the demolition debris of a historic building in St. Petersburg, Russia, were inspected for Potential reuse, and their mechanical strengths were determined through laboratory tests. A proposal for the construction of a reclaimed wall was formulated, which took advantage of the strength of the recovered material and suggested solutions for overcoming its weaknesses. The proposed wall was tested for its Potential Environmental Impact with the help of SimaPro software, and its cost was calculated by using current prices available on the websites of local companies providing materials or services. Finally, the Environmental and cost factors of the reclaimed wall were compared with those of an equivalent new masonry wall. The strength tests carried out validated the feasibility of reusing the reclaimed wall sections. The results from the life cycle assessment (LCA) models in SimaPro indicated that a wall built with secondary blocks could have a lower Environmental Impact than one built with new bricks. On the other hand, due to the expensive equipment used in cutting the blocks, the cost of the reclaimed wall was calculated to be nearly 1.9 times the cost of an equivalent wall with new bricks. LCA simulation of the new wall was conducted with generic datasets belonging to a broader geographical boundary, while those for the reclaimed wall were performed with data obtained from a small-scale case study conducted to determine the feasibility of reusing demolition waste. This study demonstrated that an efficient process for the recovery and reuse of such materials should include a design proposal that takes into consideration the parameters determined from an inspection of the condition of the debris, an assessment of the Potential Environmental Impacts, and an estimation of the related costs. It was further determined that such a design can be instrumental in offering a less costly and more Environmentally friendly alternative to dumping the rubble into landfills. The findings of this study will help fill the current gap in the literature regarding the LCA of walls, with a focus on the strength and condition of the wall material after demolition has taken place.