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Fraccionamiento del licor gastado en pasteado al sulfito ácido mediante ultrafiltración
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- معلومة اضافية
- Publisher Information:
2015-06-04
- نبذة مختصرة :
Lignosulphonates (LS) and fermentable sugars are the main components of spent sulphite liquors (SSL) produced in acid sulphite pulping. In spite of different methods have been used for spent liquor fractionation such as precipitation or vaporization; membrane technology allows the separation of these components from the SSL due to their different size molecular weight, offering great advantages with regards to the traditionally methods (less energy consumption, high selective separation, and many others). In the present study, ceramic membranes with different cut-offs (15 kDa, 5 kDa and 1 kDa) were used to achieve the sugar purification and the LS concentration. The membranes were evaluated according to their efficacy and efficiency properties. Different series system were tested in order to improve the aptitudes of a singular membrane. The system with the three membranes in series (15, 5 and 1 kDa respectively) obtained the most purified permeate stream, referred to the sugar content. Also, a characterisation of the LS contained in the different streams produced in this system was carried out in order to know in a more precise manner the valorisation potential of these components by means of biorefinery processes.
- الموضوع:
- Availability:
Open access content. Open access content
- Note:
Spanish
- Other Numbers:
ESUPV oai:addi.ehu.es:10810/15185
1050170682
- Contributing Source:
REPOSITORIO DE LA UNIVERSIDAD DEL PAIS
From OAIster®, provided by the OCLC Cooperative.
- الرقم المعرف:
edsoai.on1050170682
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