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Sustainable design of the household water treatment systems using a novel integrated fuzzy QFD and LINMAP approach: a case study of Iran

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Abstract

There is a high possibility that pursuit of water policies goals which could have impacts on water security. Decision makers are interested in developing the water management systems to establish sustainable demand for secured water. The aim of the paper is to analyze the sustainability indicators (SIs) related to designing of the household water treatment system (HWTS). Thirteen criteria like solid waste, liquid waste, air pollution, initial cost, operation and maintenance costs, transport cost, satisfaction, purchasing power, social acceptance, health, reliability, after sales service, and technological capacity in four categories including environmental, economic, social and technical aspects have been considered. These criteria affect HWTS. These criteria are evaluated by taking into account the customer requirements (CRs) and design requirements (DRs) of HWTS. The objective of this study is to design sustainable HWTSs. This is achieved by an analytical approach integrating quality function deployment (QFD) and a linear programming technique for multidimensional analysis of preference (LINMAP) under fuzzy environment for guiding HWTSs manufactures. Fuzzy QFD-LINMAP approach is used to investigate the roles of the study criteria and the interrelationships between them. The HWTSs development in the city of Behbahan, Iran, is considered. The findings indicate that operation and maintenance costs (with value of 0.0522) is the most important sustainability indicator in the CRs and the least important is technical capacity (with value of 0.1096). The most important sustainability indicator in DRs is purchasing power (with value of 0.0207), and the least important is liquid waste (with value of 0.1469). The results show that sustainability strategies are selected for water treatment systems constraints and the model provides compromise solutions to help decision makers evaluate suitable water policy mix.

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Abbreviations

HWTS:

Household water treatment system

V-AC:

Volt-alternative current

V-DC:

Volt-direct current

HOQ:

House of quality

LINMAP:

Linear programming technique for multidimensional analysis of preference

Sis:

Sustainability indicators

CRs:

Customer requirements

DRs:

Design requirements

MCDM:

Multi-criteria decision making

LEC:

Low energy consumption

LC:

Low cost

EA:

Easy access

VDS:

Variation in dimension and size

PQ:

Production quality

DR:

Depreciation reduction

PE:

Production efficiency

SW:

Solid waste

LW:

Liquid waste

AP:

Air pollution

IC:

Initial cost

OMC:

Operation and maintenance costs

TC:

Transport cost

S:

Satisfaction

PP:

Purchasing power

SA:

Social acceptance

H:

Health

R:

Reliability

ASS:

After sales service

TC:

Technological capacity

SPPM:

Strategic position of the product in the market

QI:

Quality improvement

EI:

Easy installation

CR:

Cost reduction

PWR:

Product waste recycle

OM:

Operation and maintenance

PECR:

Product energy consumption reduction

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Acknowledgements

The authors would like to thank Behbahan Branch, Islamic Azad University, Behbahan, Iran, for providing research grant.

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Correspondence to Abdolvahhab Fetanat.

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The authors have no conflict of interest.

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Fetanat, A., Tayebi, M. Sustainable design of the household water treatment systems using a novel integrated fuzzy QFD and LINMAP approach: a case study of Iran. Environ Dev Sustain 23, 15031–15061 (2021). https://doi.org/10.1007/s10668-021-01284-5

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  • DOI: https://doi.org/10.1007/s10668-021-01284-5

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