LY/T 1785-2008 English PDF

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LY/T 1785-2008: Granular activated carbon for refining of citric acid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
LY/T 1785-2008	179	Add to Cart	2 days	Granular activated carbon for refining of citric acid

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Basic data

Standard ID: LY/T 1785-2008 (LY/T1785-2008)
Description (Translated English): Granular activated carbon for refining of citric acid
Sector / Industry: Forestry Industry Standard (Recommended)
Classification of Chinese Standard: B72
Classification of International Standard: 65.050
Word Count Estimation: 5,580
Date of Issue: 2008-09-03
Date of Implementation: 2008-12-01
Quoted Standard: GB/T 12496.1-1999; GB/T 12496.2-1999; GB/T 12496.3-1999; GB/T 12496.4-1999; GB/T 12496.6-1999; GB/T 12496.7-1999; GB/T 12496.10-1999; GB/T 12496.19-1999; GB/T 12496.22-1999; GB/T 13803.4-1999
Regulation (derived from): Industry standard filing Notice No. 10 of 2008
Issuing agency(ies): State Forestry Administration
Summary: This standard specifies the use of granular activated carbon citric acid bleaching technical requirements, test methods, inspection rules and signs, packaging, transportation and storage requirements. This standard applies to the production of granular activated carbon raw wood. The product is mainly used for the production of citric acid by fermentation liquid bleaching.

LY/T 1785-2008: Granular activated carbon for refining of citric acid

---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.
Granular activated carbon for refining of citric acid ICS 65.050 B72 People's Republic of China forestry industry standards Granular activated carbon for decolorization of citric acid 2008-09-03 released 2008-12-01 implementation State Forestry Administration released

Foreword

This standard is proposed and managed by the Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry. This standard was drafted. Forest Research Institute of Chinese Academy of Forestry Chemical Industry. The main drafters of this standard. Dai Weidi, Sun Yunjuan, Sun Kang, Zhang Yanping, Tong Yajuan, often Xia. Granular activated carbon for decolorization of citric acid

1 Scope

This standard specifies the technical requirements, test methods, inspection rules and signs, packaging, transportation and storage of granular activated carbon for citric acid decolorization Claim. This standard applies to wood-based raw materials produced granular activated carbon. This product is mainly used for the decolorization of citric acid produced by fermentation.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. All dated references, which are subsequently owned Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to reach an agreement based on this standard research Whether you can use the latest versions of these files. For undated references, the latest version applies to this standard. Activated carbon on wood - Determination of apparent density GB/T 12496.1-1999 Wood activated carbon test methods - Determination of particle size distribution Determination of ash content of wood activated carbon test methods Activated carbon from wood - Determination of moisture content GB/T 12496.4-1999 Determination of strength of wood activated carbon test methods GB/T 12496.6-1999 Wood activated carbon test - Determination of pH value Wood activated carbon test - Determination of methylene blue adsorption Wood activated carbon test - Determination of iron content Activated carbon from wood - Determination of heavy metals GB/T 12496.22-1999 Activated carbon for injection purposes GB/T 13803.4-1999

3 technical requirements

3.1 appearance Black amorphous granular. 3.2 Specifications Should meet the requirements of Table 1. Table 1 technical indicators Project Indicators granularity/% 355μm ~ 900μm ≥ 90.00 < 355 μm ≤ 3.00 Methylene blue adsorption value/(mL/0.1g) ≥ 10.00 Strength /% ≥ 92.00 Ash /% ≤ 5.00 Moisture /% ≤ 10.00 pH 4.00 ~ 7.50 Apparent density/(g/mL) 0.40 ~ 0.55 Iron content /% ≤ 0.15 Heavy metals (Pb) /% ≤ 0.005 ......

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