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Sodium Carboxymethyl Starch
Ammonium carboxymethylcellulose (CMC-NH4)
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Email: stcmc@xtsentai.com 
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Products
Ammonium carboxymethylcellulose (CMC-NH4)
Description
Ammonium carboxymethylcellulose (CMC-NH4) is a colorless amorphous substance, which is soluble in water,aqueous alkali, ammonia, and cellulose solution, but insoluble in organic solvents and mineral oil. Its refinement has an appearance of white or shallow yellowish powder or granules. Its structure is C6H7O2(OH)2OCH2COONH4 and its molecular formula is C8H15O7N.
Ammonium carboxymethyl cellulose (CMC - NH4) is an adhesive for special purposes, mainly used in high-quality SCR denigration catalysts. It solves the problem of alkali metal deactivation in CMC which damages the structure and active subject of SCR catalysts. The performance and service life of the SCR catalystsaresignificantly improved, thus enhancing the competitiveness of SCR catalysts in the markets.Compared with CMC, it has stronger cohesiveness and less residue after roasting. Currently in China,CMC-NH4used in denitrition industry reliescompletelyon imports.
Product models and standards:
Model |
Viscosity (Brookfield in 1% solution) |
PH |
Loss on drying(%) |
Ash content(w%) |
S10 |
10-100 |
5-8 |
10-20 |
﹤0.5 |
S100 |
100-300 |
5-8 |
10-20 |
﹤0.5 |
S400 |
400-600 |
5-8 |
10-20 |
﹤0.5 |
S800 |
700-1000 |
5-8 |
10-20 |
﹤0.5 |
Products display:
CMC-NH4 is a new cellulose derivative developed by our company. NOx is the main pollutant discharged in thermal power generation. It is one of the prime sources for acid rain and the predecessor of photochemical smog. Among the present denitration technologies, SCR is most frequently used. In order to get the uniform plastic paste with good mechanical strength and pore structure, adhesives must be used in the production process of SCR catalyst. CMC-NH4, as an adhesive, has the characters of good adhesion and little residue after ignition, which can satisfy the requirements in the SCR catalyst production process.
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