1943
DOI: 10.1021/ie50406a010
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Solvent Refining of Wood Rosin

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1948
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Cited by 9 publications
(5 citation statements)
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“…Another method for removing the color bodies and oxidized constituents of wood rosin, by the selective solvent action of furfural (Humphrey, 1943), was applied to the ponderosa pine stump rosin, and a lighter colored rosin (N color grade) with an acid number of 165 and softening point of 67-68°C. was recovered in 75% yield.…”
Section: Extraction and Analysismentioning
confidence: 99%
“…Another method for removing the color bodies and oxidized constituents of wood rosin, by the selective solvent action of furfural (Humphrey, 1943), was applied to the ponderosa pine stump rosin, and a lighter colored rosin (N color grade) with an acid number of 165 and softening point of 67-68°C. was recovered in 75% yield.…”
Section: Extraction and Analysismentioning
confidence: 99%
“…Üçüncü yöntem olan ekstraksiyon reçinesi; kesimden sonra uzun süre toprakta bekleyerek çıralanmış reçineli çam köklerinin yongalanarak, tesislerde uygun çözücü ekstraksiyonuyla elde edilmektedir. Ekstraksiyon sonucunda, odun ekstraksiyon terebentini, odun ekstraksiyon kolofanı, dipenten ve doğal pineoil elde edilmektedir (Humphrey, 1943).…”
Section: Introductionunclassified
“…In the USA, at least 40 000 distillation columns represent an invested capital of roughly 8 billion $ covering approximately 90 -95 % of all separation processes [1]. In the USA, at least 40 000 distillation columns represent an invested capital of roughly 8 billion $ covering approximately 90 -95 % of all separation processes [1].…”
Section: Introductionmentioning
confidence: 99%
“…Distillation and absorption processes are the most prevalent processes in chemical engineering. In the USA, at least 40 000 distillation columns represent an invested capital of roughly 8 billion $ covering approximately 90 -95 % of all separation processes [1]. Entrainment of liquids in the vapor is an unintended operation condition and diminishes the separation efficiency of a tray or a column [2 -5].…”
Section: Introductionmentioning
confidence: 99%