Structure stability analysis is a vital prerequisite for the construction of eco-industrial chain. This study
proposed four steps for applying an integrated structure stability index, which was derived to characterize
both the diversity and equilibrium of eco-industrial chain, to structure stability analysis, and searching
a final eco-industrial chain with the highest structure stability as follows: (1) analyzing links and link
points of existing and planned industries through material and energy flow analysis; (2) identifying supplementary
industries, which are integrated with pillar industries to enhance structure stability, through
forward diffusion effect, backward diffusion effect and sideward diffusion effect analysis of pillar industries;
(3) testing industrial structure stability by introducing an integrated structure stability index;
(4) coupling of all definitized links and link points.
These four steps were applied to a case study of Lianyungang Xuwei New Area, China. The results
showed that: (1) there were 9 link points and 17 links of the planned five pillar industries in this area;
(2) cement, building materials, chemical fertilizer, fine chemicals and marine chemicals with newly added
23 link points and 44 links should be considered as the supplementary industries; (3) the improvement
in structure stability was confirmed by the integrated structure stability index increasing from 0.116 to
0.158 after adding supplementary industries; and (4) the final “steel–petrochemical-equipment
manufacturing-logistics-IGCC polygeneration” eco-industrial chain was constructed by coupling 32 link
points and 61 links. Therefore, by taking pillar industries as the kernel and by introducing an integrated
structure stability index for the verification of stability improvement in industrial structure, these proposed
four steps were proved to be an effective process and feasible method for enhancing the stability
of eco-industrial system structure.
Structure stability analysis is a vital prerequisite for the construction of eco-industrial chain. This studyproposed four steps for applying an integrated structure stability index, which was derived to characterizeboth the diversity and equilibrium of eco-industrial chain, to structure stability analysis, and searchinga final eco-industrial chain with the highest structure stability as follows: (1) analyzing links and linkpoints of existing and planned industries through material and energy flow analysis; (2) identifying supplementaryindustries, which are integrated with pillar industries to enhance structure stability, throughforward diffusion effect, backward diffusion effect and sideward diffusion effect analysis of pillar industries;(3) testing industrial structure stability by introducing an integrated structure stability index;(4) coupling of all definitized links and link points.These four steps were applied to a case study of Lianyungang Xuwei New Area, China. The resultsshowed that: (1) there were 9 link points and 17 links of the planned five pillar industries in this area;(2) cement, building materials, chemical fertilizer, fine chemicals and marine chemicals with newly added23 link points and 44 links should be considered as the supplementary industries; (3) the improvementin structure stability was confirmed by the integrated structure stability index increasing from 0.116 to0.158 after adding supplementary industries; and (4) the final “steel–petrochemical-equipmentmanufacturing-logistics-IGCC polygeneration” eco-industrial chain was constructed by coupling 32 linkpoints and 61 links. Therefore, by taking pillar industries as the kernel and by introducing an integratedstructure stability index for the verification of stability improvement in industrial structure, these proposedfour steps were proved to be an effective process and feasible method for enhancing the stabilityof eco-industrial system structure.
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