KS T ISO 20200-2012 Plastics－Determination of the degree of disintegration of plastic materials under simulated composting conditions in a laboratory-scale test《塑料 实验室规模堆肥化条件下塑料材料的.pdf

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3、ale test , . KS T ISO 20200:2012 Plastics Determination of the degree of disintegration of plastic materials under simulated composting conditions in a laboratory-scale test . 1 1.1 . . 2 . . ( ) . ISO 3310 1： 2000, Test sieves Technical requirements and testing Part 1： Test sieves of metal wire clo

4、th 3 , . 3.1 (compost) , 3.2 (compostability) , . . , , , . KS T ISO 20200:2012 2 3.3 (composting) 3.4 (disintegration) 3.5 (dry mass) 3.6 (mesophilic incubation period) 25 3.7 (thermophilic incubation period) 58 3.8 (total dry solids) 105 3.9 (volatile solids) 550 . 4 . . . 2 mm 5 1 . . , . , 0.5 c

5、m 1 cm . . KS T ISO 20200:2012 3 . 4 . 1 . 5 % . 55 % . . C/N ： (C/N) 20： 1 40： 1 . , 100 % . 1 % 40 (rabbit-feed) 30 (ripe compost) 10 (corn starch) 10 (蔗糖 , saccharose) 5 (cornseed oil) 4 (urea) 1 100 1 5 mm . 2 ( , Medicago sativa) . . 15 %, 20 % . 6 30 cm20 cm10 cm(lwh) . . . 20 cm 5 mm 6.5 cm .

6、 . 5 L 20 L . . . 7 7.1 2 . KS T ISO 20200:2012 4 (402) (抗量 ) . 30 . 2 mm 5mm 2525 5mm 1515 (5 mm 15 mm ) 7.2 . 5 g 20 g 1 kg . 0.5 % 2 % . . . . 7.3 ( ) 45 , 90 (582) . - . . 3 . . . ( 3 ) 3 , . . . . 3 . . . . 7.4 ( ) , . 25 g . . (252) 90 . - . , 70 %(7.3 ) . . , . KS T ISO 20200:2012 5 3 ( ) 0 1

7、, 2, 3, 4, 7, 9, 11, 14 , . . 8, 10, 16, 18, 21, 23, 25, 28 , . . 30, 45 , 80 % . . 30 60 , , 80 % . . 60 , 70 % . . 8 , , . . 9. . 9 9.1 , . 23 5 10 10 . , . . 9.2 . (mycelia) . 10 . . 9.3 / (C/N ) . . C/N 2 - . 9.4 , - (10. ). 105 (dry mass) . . KS T ISO 20200:2012 6 550 6 8 - . . . (VS, volatile

8、solids) . 10 (582) . . . 10 mm ( ) (ISO 3310 1 ). . . 10 mm . 10 mm . 5 mm 2 mm . . . (402) . 11 (D) 10. . . D . (%)100iri=mmmD mi ： (g) mr ： ( ) (g) . 12 3 . 13 . a) - - R R 30 % . (%)100)VS()DM()VS()DM()VS()DM(iiifffiii=mmmR KS T ISO 20200:2012 7 mi ： (DM)i ： 100 (VS)i ： - 100 mf ： (DM)f ： 100 (VS

9、)f ： - 100 1 000 g , 44.63 % - 91.15 %( ) . 511 g , 54.83 % - 83.8 % . , %8.421005911.03446.00001)0838.03548.0511()5911.03446.00001(=R 30 % . b) 10 % . 14 . a) (： KS T ISO 20200) b) , , c) , C/N , ( ), - ( ) d) , ( ) e) , , , , ( + ) ( ) f) , ： , ( ), - ( ), C/N g) , 13. a) - R h) , (加水 ) ( , , , )

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11、. - R 30 % . 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS T ISO 20200:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS PlasticsDetermination of the degree of disintegration of plastic materials under simulated composting conditions in a laboratory-scale test ICS 83.080.01