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Merck
모든 사진(3)

주요 문서

370959

Sigma-Aldrich

Lignin, alkali

동의어(들):

Lignin, kraft

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About This Item

CAS Number:
MDL number:
UNSPSC 코드:
12162002
NACRES:
NA.23

설명

surface tension 43 mN/m (1% aqueous)

Quality Level

형태

powder

불순물

5% moisture

손실

13.4 wt. % loss on heating, @ 316°C
3.3 wt. % loss on heating, @ 149°C
5.7 wt. % loss on heating, @ 204°C
8.5 wt. % loss on heating, @ 260°C

pH

6.5 (25 °C, 5%, aqueous solution)

전이 온도

sintering point 188 °C

solubility

NaOH: 0.05% (warm 5% aquesous)
MEK: partially soluble
benzene: insoluble
dioxane: soluble
ethylene glycol: soluble
hexane: insoluble
methanol: partially soluble

density

1.3 g/mL at 25 °C

벌크 밀도

23 lb/cu.ft (loose)
32 lb/cu.ft (packed)

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일반 설명

Lignin, alkali is a complex, three dimensional polymer that is also known as kraft lignin that has undergone hydrolytic degradation. It is one of the major components of lignocellulosic materials. Lignin is a major product for second generation bioethanol production and is an impurity in the separation of cellulose from wood.

애플리케이션

Lignin, alkali can be used as a surface treatment agent for composites of natural fibers with petroleum based resins. It can be used as a biosorbent for potential applications in removing toxic metal ions from wastewater.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Gloves, type N95 (US)


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문서 라이브러리 방문

Aiguo Wang et al.
Bioresource technology, 268, 505-513 (2018-08-17)
Maximizing the production of aromatic hydrocarbons from lignin conversion by coupling methane activation without solvent was investigated over Zn-Ga modified zeolite catalyst. The co-loading of Zn and Ga greatly improves lignin conversion, arene yield along with BTEX (i.e., benzene, toluene
Tanja Berger et al.
Folia microbiologica, 66(1), 87-98 (2020-09-26)
The potential of the culturable bacterial community from an Alpine coniferous forest site for the degradation of organic polymers and pollutants at low (5 °C) and moderate (20 °C) temperatures was evaluated. The majority of the 68 strains belonged to
Single, binary and multi-component adsorption of copper and cadmium from aqueous solutions on Kraft lignin?a biosorbent
Mohan D, et al.
Journal of Colloid and Interface Science, 297(2), 489-504 (2006)
Dong Tian et al.
Biotechnology for biofuels, 10, 157-157 (2017-06-27)
Current single-stage delignification-pretreatment technologies to overcome lignocellulosic biomass recalcitrance are usually achieved at the expense of compromising the recovery of the polysaccharide components, particularly the hemicellulose fraction. One way to enhance overall sugar recovery is to tailor an efficient two-stage
Adriana L Romero-Olivares et al.
PloS one, 12(6), e0179674-e0179674 (2017-06-18)
Over the long term, soil carbon (C) storage is partly determined by decomposition rate of carbon that is slow to decompose (i.e., recalcitrant C). According to thermodynamic theory, decomposition rates of recalcitrant C might differ from those of non-recalcitrant C

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