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Good practices in CP: 41. Changing the method of delivery and storage of selected plastics from single-use bags and big-bags to transport by road tankers and storage in silos (PPHU Polipack Sp.J. )

Written By Polski Ruch Czystszej Produkcji on czwartek, 27 października 2022 | 10:05

Silo assembly
photo by PPHU Polipack Sp.J.

 

Good practices and investments related to Cleaner Production

Example No. 41
Changing the method of delivery and storage of selected plastics from single-use bags and big-bags to transport by road tankers and storage in silos

Company:
PPHU Polipack Sp.J. I. Więckowska i K. Kolmetz, Gościcino

Industry branch: packaging industry

Resources in question:

  • Electrical energy
  • Materials
  • Secondary raw materials
Pollution, waste in question:
  • Waste
  • Emissions into the atmosphere
Cost (implementation of good practice): High
(approx. PLN 1.15 million – silo costs)

Description of the problem:

Plastic granulates were delivered to the company in 25 kg bags (which became waste after unloading) and in big-bags. It was also necessary to use pallets that could be damaged and required storage and additional transportation, for example, back to suppliers, and forklifts (electricity consumption). Logistical processes caused, among other things, inconvenience during unloading (a lot of manual work – e.g., pouring the contents of bags into containers, manually loading plastic for production). Delivered batches of material took up a significant amount of storage space. There was also a risk of material contamination.

Applied solution:
 
The company has installed 2 silos for PET plastic and 2 silos for PP plastic (each containing two chambers with a volume of 57 m3 each), to which material can be transported and loaded by self-unloading tankers. The introduced silos will be very beneficial from the point of view of labor ergonomics and environmental issues, as is evident in the effects listed below.

Obtained benefits and effects of the implementation:

  • Elimination of big-bag and bag waste, reduced use of pallets (total waste reduction of about 100 Mg/year)
  • Savings of about PLN 101,400/year (payback period: about 11 years and 4 months)
  • Energy savings – no use of forklifts to unload big-bags/pallets with materials delivered to the company
  • Improved ergonomics of employees' work
  • Release of storage space
  • Safer storage of raw material, less risk of contamination (from pallets and the big bag itself)

 


New silos for storing material (PET plastic) during their installation
photo by PPHU Polipack Sp.J.
 
 

Sources:
  • Report on the Cleaner Production Project No. 7ind.785, developed within the framework of the Cleaner Production Academy at PPHU Polipack Sp.J. I. Więckowska i K. Kolmetz: “Changing the method of delivery and storage of selected plastics from single-use big-bags to transport by road tankers and storage in silos”
  • Materials (including photos) submitted by PPHU Polipack Sp.J.

Polish version:



This material has been subsidized by the National Fund for Environmental Protection and Water Management. The Polish Cleaner Production Movement Association is solely responsible for its content.










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