Bleached chemical pulp from cornstalks / Chien Chu, Naiyana Niyomwan, Anchalee Puangvichit
โดย: Chu, Chien
ผู้แต่งร่วม: Niyomwan, Naiyana | Puangvichit, Anchalee | Thailand Institute of Scientific and Technological Research
Language: English ชื่อชุด: Misc. Invest. no. 33 ; Rep. no.1ข้อมูลการพิมพ์: Bangkok : Thailand Institute of Scientific and Technological Research, 1970 รายละเอียดตัวเล่ม: 5 p.หัวเรื่อง: Bleaching | Corn | Corn-stalks | Pulpsสารสนเทศออนไลน์: Click here to access full-text สาระสังเขป: Cornstalk as abundant farm waste in Thailand was investigated as possible source of pulp. Air-dry cornstalks were chipped and cooked by neutral sulphite process at liquor ratio 3:1 with 14 percent sodium sulphite and 3 percent sodium carbonate on ovendry stalks. The cooking condition was 2-hour heating to 170 degree celsius and 2-hour cooking at 170 degree celsius. The crude pulp was refined and washed. The yield of pulp was 48 percent. The pulp was bleached in 3-stage C/E/H sequence with a total of 7 percent chlorine to brightness 75. The bleached yield was 81 percent on unbleached pulp or 39 percent on ovendry cornstalks Authors
| ชนิดของทรัพยากร | Location | Call number | สถานะ | Last seen | Copy No. | บาร์โค้ด |
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วว. เทคโนธานี | Available | 2018-08-31 | 1 | RP1970/115 | |
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วว. เทคโนธานี | Available | 2018-08-31 | 2 | RP1970/115-2 |
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