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Study on the Reuse of Pulp and Polyethylene Recovered from Wasted Milk Pack PowerPoint PPT Presentation


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2003. 1. Study on the Reuse of Pulp and Polyethylene Recovered from Wasted Milk Pack. 고분자공학과 박 흥 조. Pulp 80% polyethylene (Lamination) 20%. Waste Milk Pack. Chemical Reagents. PE. Pulp. Disk Refining Cleaner Screening. Treatment on Commission. Burning. Pulp. PE Cracker.

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Study on the Reuse of Pulp and Polyethylene Recovered from Wasted Milk Pack

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Study on the reuse of pulp and polyethylene recovered from wasted milk pack

2003. 1

Study on the Reuse of Pulp and Polyethylene

Recovered from Wasted Milk Pack

고분자공학과

박 흥 조


Study on the reuse of pulp and polyethylene recovered from wasted milk pack

Pulp 80%

polyethylene (Lamination) 20%

Waste Milk Pack

  • Chemical Reagents

PE

Pulp

  • Disk Refining

  • Cleaner

  • Screening

Treatment on

Commission

Burning

Pulp

PE Cracker

Stuff Box

  • Dewatering

  • Drying

Recycled Fine Pulp


Study on the reuse of pulp and polyethylene recovered from wasted milk pack

a-Cellulose

Cellulose ester: cellulose acetate

cellulose sulfate

cellulose nitrate

Pulp

Cellulose ether: methyl cellulose

ethyl cellulose

carboxymethyl cellulose (CMC)

NaOH

Hemicellulose

Lignin

etc: cyanoethylcellulose

cellulose ether from reaction with epoxide

graft compound with cellulose or its derivatives


Study on the reuse of pulp and polyethylene recovered from wasted milk pack

Cellulose

NaOH solution

Na-cellulose

Cellulose Derivatives

Sodiumchloroaceticchloride

Food and pharmaceutical products

Dyestuff printing paste

Paper sizing

Cosmetics

Binder in enamels

Carboxymethylcellulose,

Sodium Salt

(CMC)

Polymer Blend

Graft polymerization

Hygroscopic Polymer


Study on the reuse of pulp and polyethylene recovered from wasted milk pack

위생재, 농업, 원예, 식품 유통, 토목, 건축,

화장품, 의료용, 도료, 접착

Uses

Hygroscopic

Polymer

Graft Polymerization

Cross-linked Polymerization

Synthesis

3-Dimension Reaction

of Hygroscopic Polymer

Self Crosslinked Polymerization

* Cellulose계 관련 고흡수성 고분자 화합물

(1) Cellulose/PAA

(2) CMC/자기가교 또는 가열불용화

(3) 재생 cellulose 섬유/Na-PAN


Study on the reuse of pulp and polyethylene recovered from wasted milk pack

chemical reagent

Waste

Milk Pack

diskrefiner

Bau cleaner

Lamot screen

16~20%

sodium hydroxide

polyethylene

Pulp (Na-cellulose)

MCAA

CMC

Patent Subject: 카르복시메틸셀룰로오스의 제조방법

Patent Applicant No.: 제 2002-0032276호


Study on the reuse of pulp and polyethylene recovered from wasted milk pack

CMC 합성 및 결과

MCAA

CMC

Recycled Pulp

Na-Cellulose

Carboxymethyl Cellulose, Sodium Salt

Reaction Conditions

molar ratio:

Na-cellulose:Cl-CH2COONa = 1 : 2.5

reaction temp: 78~80C

reaction time: 2.5hr

solvent: isopropyl alcohol : Water

Results :

viscosity : 0.053 ~ 0.210 mPa·s

DS : 0.45 ~ 1.20


Study on the reuse of pulp and polyethylene recovered from wasted milk pack

Commercial CMC

SEM Micrographs

XRD Patterns

Synthetic CMC


Study on the reuse of pulp and polyethylene recovered from wasted milk pack

Endotherm of Synthetic SCMC


Study on the reuse of pulp and polyethylene recovered from wasted milk pack

PE film

Alkali, Acid treatment

Washing

Melt Index

MFR Mean Value

= 2.636 ± 5210 g/min

Apparent Viscosity

= 7039.97 Pa·s

PE pellet Product


Study on the reuse of pulp and polyethylene recovered from wasted milk pack

축산폐기물

배양

분해단백질

활성도

미분해물

분해물

미생물체의

선정

SCMC

PAA

* Blend

* Coating

SCMC, PAA와 축산폐기물의 다기능성부여


Study on the reuse of pulp and polyethylene recovered from wasted milk pack

e. Aspergillus niger

f. macrosporus

g. XP-1, XP-2 (powder)

h. XL-1 (liquid)

a. Aspergillus oryzea

b. Gold

c. Dan

d. Aspergillus awamori

1. Protease 생성균주로부터 조효소액의 추출

Gold

Dan


Study on the reuse of pulp and polyethylene recovered from wasted milk pack

Future Work

2. 추출효소반응에 의한 활성도 및 분해의 적정 pH

PAA

축산폐기물

SCMC

Water Absorbancy

(g H2O/g)

a) Blend

b) Coating


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