Effect of DTPMPA on Bamboo Kraft Pulping

Hong Xia Gao; Xiu Qiong Guan; Miao Xu; Xiong Zhang

doi:10.4028/www.scientific.net/AMR.1033-1034.216

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1033-1034Effect of DTPMPA on Bamboo Kraft Pulping

Effect of DTPMPA on Bamboo Kraft Pulping

Abstract:

As a cooking additive, the impact of Diethylene Triamine Penta Methylene Phosphonic Acid (DTPMPA) on bamboo kraft pulping was studied. The effect of DTPMPA dosage at different maximum cooking temperature was discussed. The results showed that the cooking aids DTPMPA added in bamboo kraft pulping was able to reduce K value of pulp, improve the screened stock yield and brightness and reduce the alkali charge. The optimized bamboo kraft pulping conditions are: DTPMPA dosage 0.3%, alkali charge 17%, when sulfidity was 20%, maximum cooking temperature was 160°C and time at maximum temperature was 90min. Under the conditions of cooking, the screened yield is 41.53%, the K value is 15.4 and the bamboo pulp brightness is 26.8%.

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Periodical:

Advanced Materials Research (Volumes 1033-1034)

Pages:

216-219

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1033-1034.216

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Online since:

October 2014

Authors:

Hong Xia Gao*, Xiu Qiong Guan, Miao Xu, Xiong Zhang

Keywords:

Bamboo Kraft Pulping, Chelating Agent, Cooking Additive, DTPMPA

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