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LY/T 1623-2004: Activated carbon gor refining of wood sugar
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| LY/T 1623-2004 | English | 179 |
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Activated carbon gor refining of wood sugar
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LY/T 1623-2004
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Basic data | Standard ID | LY/T 1623-2004 (LY/T1623-2004) | | Description (Translated English) | Activated carbon gor refining of wood sugar | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B72 | | Classification of International Standard | 65.050 | | Word Count Estimation | 5,585 | | Date of Issue | 2004-11-03 | | Date of Implementation | 2004-12-01 | | Summary | This standard specifies the wood sugar decolorization with activated carbon of the technical requirements, test methods, inspection rules and signs, packaging, transportation and storage requirements. This standard applies to wood as raw powdered activated carbon is used as raw material in corncob xylose hydrolyzate bleaching. | LY/T 1623-2004: Activated carbon gor refining of wood sugar---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Activated carbon gor refining of wood sugar
ICS 65.050
B72
People's Republic of China Forestry Industry Standard
Activated carbon for decolorization of xylose liquid
Released on November 11,.2004
Implementation of.2004-12-01
State Forestry Administration released
Foreword
In order to meet the needs of the charcoal industry for the detection of activated carbon quality, this standard has been formulated. This standard and GB/T 13803.3-1999 "sugar liquid
Compared with the activated carbon for decolorization, the detection index of the methylene blue adsorption value is increased, and the decolorization rate of the A method is removed, so that the activated carbon is
The test results have a better correlation with the physical decolorization of xylose liquid, meeting the requirements of production and use.
This standard is proposed and managed by the Institute of Chemical Industry of Forest Products of the Chinese Academy of Forestry.
This standard was drafted. Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry.
This standard collaborating unit. Henan Tangyin County Yuxin Co., Ltd.
The main drafters of this standard. Zhang Tianjian, Gu Kelong, Liu Junli, Jiang Jianchun.
This standard was first published.
Activated carbon for decolorization of xylose liquid
1 Scope
This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements for activated carbon for the decolorization of xylose liquid.
This standard applies to powdered activated carbon produced from wood as raw material, used for decolorization of xylose hydrolysate using corncob as raw material.
2 Normative references
The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all
Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study
Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard.
GB/T 12496.3-1999 Determination of ash content of wood activated carbon
GB/T 12496.4-1999 Test method for wood activated carbon - Determination of moisture content
GB/T 12496.7-1999 Method for determination of pH of wood activated carbon
GB/T 12496.9-1999 Test method for woody activated carbon - Determination of caramel decolorization
GB/T 12496.10-1999 Test method for woody activated carbon - Determination of methylene blue
GB/T 12496.16-1999 Test method for wood activated carbon - Determination of chloride
GB/T 12496.18-1999 Test method for woody activated carbon - Determination of acid
GB/T 12496.19-1999 Test method for wood activated carbon - Determination of iron content
GB/T 13803.3-1999 Activated carbon for sugar liquid bleaching
3 Technical requirements
3.1 Appearance
Black powder.
3.2 Quality indicators
The quality index of xylose liquid decolorized activated carbon should meet the requirements of Table 1.
Table 1 Quality indicators
project
index
First grade second grade
B method caramel decolorization rate/(%) ≥ 100 90
Methylene blue adsorption value/(mL/0.1g) ≥ 15 13
Moisture content/(%) ≤ 10 10
pH 3.0～5.0 3.0～5.0
Ash content/(%) ≤ 4.0 5.0
Acid soluble content/(%) ≤ 1.5 1.5
Iron content/(%) ≤ 0.05 0.08
Chloride content/(%) ≤ 0.20 0.25
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