Environmental Impact Measuring (EIM) Tool For Denim Washing - Powered by Jeanologia

Posted by Sustainable Denim on Saturday, September 7, 2019 0

Environmental Impact Measuring (EIM) Tool:
This is indeed the software powered by Jeanologia, a Spanish consultancy and experts on denim washes and it is the first software that measures environmental impact of textile industry. Jeanologia specialized in the development of sustainable technologies for garment finishing which allows the washing laundry to carry out a more sustainable activity. Washing plants use Environmental Impact Measuring tool (EIM) to rate the washing process impacts. The ratings are divided into three categories: red, yellow and green. Using the tool, it is possible to reduce consumption of huge amount of water, energy and chemicals in addition to respecting the health of employees.


 Environmental Threshold:
   



Benchmark and process classification depending on the EIM score:




When EIM score shows 0-33 which refers to low impact, 34-66 refers medium impact and 67-100 refers to high impact.  Below is symbolic measure of the impact categories.


  
Calculation of the environmental Impact:
Consideration is taken to the calculation of the environmental impact of the four different categories as follows.

Water Consumption:
Water is measured in liters which are required to produce a garment. The total consumption will be the one resulting of water used in each process step. It will depend on the liquor ratio of each of this process steps.







Energy Consumption:
There are two energy sources to supply the laundry needs. In the production plants, we mainly need: Mechanical energy: The necessary energy to run the machines and other tools.The other one is needed to heat the water of the washing steps and to heat the air for the drying steps. EIM takes into consideration both groups and bring them to a one unit measure, the KWh. The total energy consumed in one finishing process will be the sum of the energy consumed in every finishing step.



Chemical Consumption:
EIM takes into consideration the hazards to the environment of the chemicals used. The chemical products are classified as chemicals of high, medium or low impact to the environment following the self-classification system defined by TEGEWA. Based on this, the chemicals are given a number, being 3 the chemicals of high impact to the environment, 2 of medium impact and 1of low relevance to the environment. The total chemical impact of one process will be the sum of the numerical value of all the chemicals involved in it


Impact on workers health:
There are two factors that can affect the workers health in the laundry. One comes from the handling of the chemicals used, and one comes from the operation they do. The evaluation of the chemical impact on workers health are done following same principles that to reduce the environmental impact. The consideration taken hear is the toxicology of every product.






After all the software aims to provide the user to identify the major causes of environmental hazards as wash technician puts in the details of washing process which helps to arrive at a decision on which process to be selected.

Garment finishing processes are complex and the number of combinations in the laundry processes to have a determine look are infinite. The number of variables involved in a laundry process are very high and the environment where the process are made influence directly in the final scores. With such an adverse scenario Jeanologia tried to create a tool which is simple and efficient one that can give a close approximation to reality.

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About the Author

Md. Firoz Kabir(M.Sc in Textile Engineering)

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