Chemical pulp from bamboo/ Chien Chu, Naiyana Niyomwan
โดย: Chu, Chien
ผู้แต่งร่วม: Niyomwan, Naiyana | Thailand Institute of Scientific and Technological Research
Language: English ชื่อชุด: Misc. Invest. no. 29 ; Rep. no. 1ข้อมูลการพิมพ์: Bangkok : Thailand Institute of Scientific and Technological Research, 1970 รายละเอียดตัวเล่ม: 11 p.หัวเรื่อง: Bamboo | Pulpsสารสนเทศออนไลน์: Click here to access full-text สาระสังเขป: Bleaching to brightness 75 was done in 3 stages (CEH sequence) with 9 percent available chlorine. The bleached yield was 42 percent.สาระสังเขป: Chemical pulp was prepared from bamboo (Thyrsostachys siamensis). The air dried bamboo culms were chipped and pulped by the ammonium sulphite process in a tumbling digestor. The chips were cooked at liquor ratio 3:1 with 24.8 percent ammonium sulphite solution buffered with 3.9 percent ammonia at pH 8.9. The cooking condition was controlled by heating to 170 degree celsius in 2 hours and cooking at 170 degree celsius for 2 hours. The crude pulp was disc refined. The yield of pulp was 54.3 percent on dry chip weight.สาระสังเขป: Handsheets prepared from the bleached bamboo pulp at 290 ml C.S.F. showed good quality.สาระสังเขป: Various species of bamboo in Thailand are discussed in respect to their potentials as raw material for pulp. Authors
| ชนิดของทรัพยากร | Location | Call number | สถานะ | Last seen | Copy No. | บาร์โค้ด |
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วว. เทคโนธานี | Available | 2018-08-31 | 1 | RP1970/111 | |
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วว. เทคโนธานี | Available | 2018-08-31 | 2 | RP1970/111-2 |
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