Evaluation of Plastic Waste Management in Thailand Using Material ...

Recycling
The input of this process is plastic wastes from collection transportation processes and the
imported wastes from other countries. Recycled products and residue waste are produced
after processing.
Figure A-8 Recycling process
Table A-8 Detail of parameters and calculation method for recycling process
Parameter Calculation
R See the details in Table A-3
IW The amount of imported plastic waste means that amounts of plastic wastes which are
imported from other countries. The assumption is thermosetting wastes are not imported
from other countries. This number was shown in the Custom Department. It was searched
on the website by use the specific code of plastic wastes (HS-code). The HS-code of plastic
waste is 3915. Table A-10 in Appendix A presents the details of HS-code of plastic pellet,
product and waste.
RW 2 See the details in Table A-5
RP See the details in Table A-1
Stock 5 The amount of stock means that amounts of collected plastic wastes and recycled products
are stocked in the recycling factory. This amount was calculated automatically by STAN
software.
Open environment
This process includes undisposed wastes which are inputted into the open environment,
and then undisposed wastes are stocked in the environment for long time.
Figure A-9 Open environment process
Table A-9 Details of parameters and calculation method for open environment
process
Parameter Calculation
CUC and CUD See the details in Table A-3
Stock 4 The amount of stock 4 means that amounts of uncollected and undisposed plastic
wastes are expanded and stocked in the environment. This amount was calculated
automatically by STAN software.
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