Abstract
Nowadays, an interdisciplinary field of engineering that focuses on analytical and/or empirical models represented by mathematical, data-driven and biotic structures combined with physical, biological and ecological processes in water, air and eco-systems is developing, i.e. environmental system engineering (ESE). In this system, environmental modeling and process optimization acts together for solving problems with environmental systems, especially for minimizing pollution, or eco-toxicological effects. The present paper proposes the study of modeling and optimization of an environmental system (i.e. textile wastewater treatment system based on sorption onto indigene peat) for its discoloration (consequently, decreasing of color, organic and inorganic loads of effluent discharged in aquatic receptor, or inside reused). All performed laboratory tests consisted in 22 hours-sorption experiments onto peat applied for a real colored textile effluent, organized with respecting of an empirical planning by a central active composite rotatable 23 order design, considering as independent variables the peat dose (X1), pH (X2), and temperature (X3), and as optimization criterion, or decision function, the discoloration degree, or color removal (Y, [%]). The mathematical model was found adequate for the textile wastewater treatment, and the optimal operational conditions for highest discoloration efficiency were proposed.
Highlights
IntroductionThe process systems’ engineering focuses on new trends and challenges consisting of environmental-related matters/ issues (e.g., the urban, drinking and/or industrial water cycle, production waste, environmental pollution, environmental impact and risk produced etc.), chemical-based products, energy, physicochemical-systems or biosystems engineering, and enterprise-wide optimization such as multi-scale modeling, mixture/hybrid models, energy and sustainability, fresh drinkable water diminishing or crisis, wastewater and/or stormwater management, climate change issues, CO2 storage, among others
The process systems’ engineering focuses on new trends and challenges consisting of environmental-related matters/ issues, chemical-based products, energy, physicochemical-systems or biosystems engineering, and enterprise-wide optimization such as multi-scale modeling, mixture/hybrid models, energy and sustainability, fresh drinkable water diminishing or crisis, wastewater and/or stormwater management, climate change issues, CO2 storage, among others
Environmental systems engineering (ESE), as an interdisciplinary field, is based on environmental modeling and process optimization focused on solving the environmental pollution problems by optimizing the existing processes or services with minimal costs [3]
Summary
The process systems’ engineering focuses on new trends and challenges consisting of environmental-related matters/ issues (e.g., the urban, drinking and/or industrial water cycle, production waste, environmental pollution, environmental impact and risk produced etc.), chemical-based products, energy, physicochemical-systems or biosystems engineering, and enterprise-wide optimization such as multi-scale modeling, mixture/hybrid models, energy and sustainability, fresh drinkable water diminishing or crisis, wastewater and/or stormwater management, climate change issues, CO2 storage, among others. It is suggesting the need of integrated system approach for development of industrial nano-, meso- and macro-scale processes, and market products and services considering the economic, social, technical and environmental constraints. A general schematic representation of ESE concept, applied for a wastewater treatment system, is illustrated in Figure 1 [1].
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