KR100273932B1 - 부상부유법 탈묵 전용 효소 적용에 의한 고지의 재생방법 - Google Patents
부상부유법 탈묵 전용 효소 적용에 의한 고지의 재생방법 Download PDFInfo
- Publication number
- KR100273932B1 KR100273932B1 KR1019980035981A KR19980035981A KR100273932B1 KR 100273932 B1 KR100273932 B1 KR 100273932B1 KR 1019980035981 A KR1019980035981 A KR 1019980035981A KR 19980035981 A KR19980035981 A KR 19980035981A KR 100273932 B1 KR100273932 B1 KR 100273932B1
- Authority
- KR
- South Korea
- Prior art keywords
- enzyme
- activity
- cmc
- endo
- fpu
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0084—Enhancing liquid-particle separation using the flotation principle
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Abstract
Description
재생된 ONP 펄프 특성 | |||||
백색도(%) | 백감도(%) | 열단장(Km) | 비파열강도(kg) | 환원당(%) | |
SY-5020 | 54.3 | 38.1 | 5.14 | 2.35 | |
효소-A | 54.6 | 47.8 | 5.14 | 2.35 | 1.2 |
효소-B | 56.9 | 49.8 | 5.47 | 2.63 | 0.52 |
효소-C | 56.4 | 48.4 | 5.23 | 2.43 | 0.14 |
효소-D | 55.2 | 43.8 | 5.14 | 2.36 | 0.43 |
Viscosity(점도)(cps) | |
고지(효소미처리) | 18.3 |
효소-A | 14.1 |
효소-B | 12.4 |
효소-C | 16.2 |
효소-D | 11.2 |
재생된 MOW(사무실폐지)의 펄프 특성 | |||||
백색도(%) | 백감도(%) | 열단장(Km) | 잔존잉크(ppm) | 환원당(%) | |
SY-1310 | 70.7 | 68.7 | 3.58 | 102.4 | |
효소-A | 73.2 | 73.6 | 3.88 | 77.9 | 0.94 |
효소-B | 71.8 | 71.7 | 3.87 | 68.3 | 0.42 |
효소-C | 71.5 | 71.3 | 3.18 | 63.1 | 0.18 |
효소-D | 70.6 | 70.9 | 3.43 | 94.3 | 0.56 |
Claims (4)
- 부상부유 탈묵에 있어 효소의 조효소 endo:exo 의 활성비(CMC:FPU Activity) 차이가 있는 탄수화물 분해효소를 투입하고 일정온도에서 해리 반응시키는 탈묵 전용 효소를 이용한 고지의 재생방법.
- 제1항에 있어서,효소는 셀룰라아제로 Tricoderma.viride 와 Aspergillus.niger 를 종균으로 하며 CMC Activity, FPU Activity 가 30,000 Unit/g 으로 하여 조효소의 CMC:FPU(endo:exo) 활성비가 신문용지의 경우 CMC:FPU(endo:exo) 활성비는 4 내지 5: 6 내지 4 이며, 사무실 폐지는 CMC:FPU(endo:exo) 활성비가 4 내지 8: 7 내지 5 을 특징으로 하는 고지의 재생방법.
- 제1항에 있어서,반응 시간은 5 내지 60 분이며 조효소 endo:exo 활성비가 차이나는 효소의 투입량은 0.005 내지 5% 임을 특징으로 하는 고지의 재생방법.
- 제1항에 있어서,해리 온도는 20 내지 55℃ 임을 특징으로 하는 고지의 재생방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980035981A KR100273932B1 (ko) | 1998-09-02 | 1998-09-02 | 부상부유법 탈묵 전용 효소 적용에 의한 고지의 재생방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980035981A KR100273932B1 (ko) | 1998-09-02 | 1998-09-02 | 부상부유법 탈묵 전용 효소 적용에 의한 고지의 재생방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000018403A KR20000018403A (ko) | 2000-04-06 |
KR100273932B1 true KR100273932B1 (ko) | 2000-12-15 |
Family
ID=19549250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980035981A KR100273932B1 (ko) | 1998-09-02 | 1998-09-02 | 부상부유법 탈묵 전용 효소 적용에 의한 고지의 재생방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100273932B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100320126B1 (ko) * | 1999-09-28 | 2002-01-10 | 이원수 | 제지공정의 에너지를 절약하기 위한 효소의 적용방법 |
KR20190112970A (ko) | 2018-03-27 | 2019-10-08 | 주식회사 맑은기업 | 액상화 공정을 이용한 파지의 재활용 방법 |
-
1998
- 1998-09-02 KR KR1019980035981A patent/KR100273932B1/ko not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100320126B1 (ko) * | 1999-09-28 | 2002-01-10 | 이원수 | 제지공정의 에너지를 절약하기 위한 효소의 적용방법 |
KR20190112970A (ko) | 2018-03-27 | 2019-10-08 | 주식회사 맑은기업 | 액상화 공정을 이용한 파지의 재활용 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20000018403A (ko) | 2000-04-06 |
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