ISSN:0009-286X    

DOI:10.1002/cite.330690502

出版商:WILEY‐VCH Verlag    

年代:1997

数据来源: WILEY

摘要:

AbstractIn multifunctional reactors chemical and physical unit operations are carried out simultaneously. Traditionally chemical reaction engineering considers mass and heat transfer processes in combination with chemical reactions. However, the term multifunctional reactor points to an extended and more detailed view of process integration. By application of these reactors it is possible to save investment and/or operating costs, to meet environmentally relevant limits or to improve process safety. Mechanical and thermal unit operations are especially good candidates for integration with a chemical reaction step. In this contribution selected multifunctional reactors are presented, which were either adopted from the literature or are the subject of the authors' own research activities.

ISSN:0009-286X    

DOI:10.1002/cite.330690503

出版商:WILEY‐VCH Verlag    

年代:1997

数据来源: WILEY

摘要:

AbstractOnly in exceptional cases do literature data and computer programs suffice as a basis for the dimensioning of new engineering processes in the chemical industry. As a rule, the new process is constructed with all process steps on a laboratory scale and operated with original products. In doing this, use of made of MINIPLANT engineering, with each process step being performed on the smallest scale which will still permit reproducible operation. This eliminates the need for sophisticated pilot plant. This article presents MINIPLANT equipment for fluid processes such as distillation, rectification, evaporation, and liquid‐liquid extraction, for which miniaturisation is farthest advanced. In the development of smaller equipment for solids processing such as drying, crystallisation, and size reduction, further efforts will be required. In conclusion, problem solutions in the area of automation and control are also addresse

ISSN:0009-286X    

DOI:10.1002/cite.330690504

出版商:WILEY‐VCH Verlag    

年代:1997

数据来源: WILEY

摘要:

AbstractFor many products the drying step exerts a great influence on price and application properties. Therefore great effort should be invested in developing and optimizing drying processes. This paper presents a structured procedure for the development of drying processes. In the case of optimal experimental equipment an “ideal” method of proceeding is indicated. Furthermore it is shwon how to develop and optimize drying processes very successfully with little experimental equipment or even if there is no experimental equipment available. Papers published in this field treat only special aspects or presume optimal experimental equipment. This paper is specially interesting for users with limited experimental equipm

ISSN:0009-286X    

DOI:10.1002/cite.330690505

出版商:WILEY‐VCH Verlag    

年代:1997

数据来源: WILEY

摘要:

AbstractStarting from the properties of the materials constituting waste, approaches suitable for size reduction of tough materials are considered. The rotary shears, rotary shredders, and screw shredders that have recently come into use for preliminary, coarse, and medium‐level size reduction of bulky household waste, scrap wood, used tyres, biological waste, old documents are now widespread. The forces exerted by these machines and their design and important design parameters are examined. A necessary detailed comparison of the three basic types of machine depending upon the nature of the material handled (systematic size‐reduction studies) has yet to be perfor

ISSN:0009-286X    

DOI:10.1002/cite.330690506

出版商:WILEY‐VCH Verlag    

年代:1997

数据来源: WILEY

ISSN:0009-286X    

DOI:10.1002/cite.330690507

出版商:WILEY‐VCH Verlag    

年代:1997

数据来源: WILEY

ISSN:0009-286X    

DOI:10.1002/cite.330690508

出版商:WILEY‐VCH Verlag    

年代:1997

数据来源: WILEY

ISSN:0009-286X    

DOI:10.1002/cite.330690509

出版商:WILEY‐VCH Verlag    

年代:1997

数据来源: WILEY

ISSN:0009-286X    

DOI:10.1002/cite.330690510

出版商:WILEY‐VCH Verlag    

年代:1997

数据来源: WILEY

ISSN:0009-286X    

DOI:10.1002/cite.330690511

出版商:WILEY‐VCH Verlag    

年代:1997

数据来源: WILEY