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| Optimization and Improvement Study of Intermediate Condensate Reuse in Black Liquor Evaporation of Sulfate Pulp Mill |
| Received:November 27, 2024 Revised:December 23, 2024 |
| DOI：10.11980/j.issn.0254-508X.2025.07.016 |
| Key Words:sulfate pulp mill black liquor evaporation intermediate condensate improvement |
| Author Name | Affiliation | Postcode | | ZHANG Gangping* | Hainan Jinhai Pulp & Paper Industry Co., Ltd., Yangpu, Hainan Province, 578101 | 578101 | | YANG Zeguang* | Hainan Jinhai Pulp & Paper Industry Co., Ltd., Yangpu, Hainan Province, 578101 | 578101 | | GUO Caihong | Hainan Jinhai Pulp & Paper Industry Co., Ltd., Yangpu, Hainan Province, 578101 | 578101 | | LI Shumu | Hainan Jinhai Pulp & Paper Industry Co., Ltd., Yangpu, Hainan Province, 578101 | 578101 | | LIU Gang | Hainan Jinhai Pulp & Paper Industry Co., Ltd., Yangpu, Hainan Province, 578101 | 578101 |
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| Abstract:This paper introduced the optimization and improvement method of black liquor evaporation system in a domestic sulfate pulp mill to improve the recycling rate of cold water. After the improvement， the reuse rate of intermediate condensate in the black liquor evaporation system reached 100%， the water used for pulp production was reduced to 7.9 m3/Adt， and the annual economic benefit was as high as 77 379 300 Yuan. |
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