Selecting an appropriate strategy is very important to the Green Manufacturing implementation. Strengths, Weaknesses, Opportunities and Threats (SWOT) analysis is a commonly used tool for strategic management. Here SWOT analysis in combination with AHP is used to the selection of GM strategy. The strategic factors system of SWOT analysis for GM strategy is constructed by analyzing internal and external environments of the enterprise. Then AHP based SWOT analysis is introduced in detail. A case study demonstrates the application of AHP based SWOT analysis in GM strategy selection and shows its feasibility and validity.
Analysis of energy consumption which could explore energy saving potential is of important significance for energy saving in manufacturing enterprises. An analysis model including physical and monetary input-output models for energy consumption in manufacturing enterprises based on input-output theory is constructed. Physical and monetary energy consumption coefficient matrices are obtained from the analysis model. Then, some application ideas are proposed, including vertical and horizontal comparison of coefficient matrices elements of a manufacturing enterprise in per unit time, comparison of coefficient matrices elements of a manufacturing enterprise in different unit times, comparison of coefficient matrices elements of manufacturing enterprises within the same industry in per unit time, effect analysis of energy price change to energy consumption of a manufacturing enterprise. Finally, a case study of a heavy-machinery manufacturing enterprises validates its practicability.
To help electronic manufacturers implement their green manufacturing (GM) strategies more friendly to environment and more effectively in saving resources, an operational GM model is proposed based on systematical analyses of each stage of the electronic product life cycle including material selection, design, production, use, end-of-life product disassembly and recycling, etc. This model consists of three levels-supply chain, enterprise and workshop and each level deals with different issues. Supply chain level focuses on manufacturing plants and remanufacturing plants based on the analysis of the whole supply chain-raw materials supply, production and marketing, etc. Enterprise level consists of GM implementation motivation, enterprise strategies, system implementation, supporting elements such as information systems. Based on analysis of the main resources and environment problems, workshop level mainly includes green manufacturing process such as lead-free soldering, process improvement, process monitoring and data acquisition, etc.
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