ISSN:0009-286X    

DOI:10.1002/cite.330590202

出版商:WILEY‐VCH Verlag    

年代:1987

数据来源: WILEY

摘要:

AbstractSimulation and optimization of multicomponent distillation. Different methods for simulating multicomponent distillation columns are presented and compared with respect to the effort required and the accuracy that may be obtained. Inclusion of mass transfer kinetics based on the laws of multicomponent diffusion in the models significantly increases computer time, but the additional accuracy in the prediction of concentration profiles may justify this effort also in design practice. In particular, the unusual behaviour of concentration profiles due to multidiffusion effects can only be explained by such improved models. The new methods of multicriteria optimization offer substantial advantages over a scalar‐optimization and, in addition to economic criteria, also allow inclusion of aspects of operational safety and of environmental requirement

ISSN:0009-286X    

DOI:10.1002/cite.330590203

出版商:WILEY‐VCH Verlag    

年代:1987

数据来源: WILEY

摘要:

AbstractAdvantages of parallel flow streams in distillation, absorption, and extraction. Under certain circumstances, separating effects in distillation, absorption, and extraction processes can be improved by dividing a phase into several parallel streams. Number of trays, pressure drop, vessel weight, or energy demand can be reduced. Presumably, this principle is also applicable in other counter‐current processe

ISSN:0009-286X    

DOI:10.1002/cite.330590204

出版商:WILEY‐VCH Verlag    

年代:1987

数据来源: WILEY

摘要:

AbstractDustless powders by spray drying – Experience with new techniques. Old drying plant with rotary‐ or nozzle‐atomizer of conventional construction produce more or less fine, dusty powder. Increasingly, there is a demand for dustless powders. A knowledge of the parameters which influence the size of the particles and the experience gained in the drying of various products was the basis for the evolution of a new spray dryer capable of producing even dustless powder. Many trials in this new spray dryer, called the FSD (Fluidized Spray Dryer) show that the powder meets all requirements. Moreover, this spray dryer will save energy and is more gently to the product by working at lower outlet tempera

ISSN:0009-286X    

DOI:10.1002/cite.330590205

出版商:WILEY‐VCH Verlag    

年代:1987

数据来源: WILEY

摘要:

AbstractThermal spray technique in chemical equipment and machine construction – Plant, materials, applications. The metal spray technique originally used only for repair applications is nowadays also used for production of new equipment since the attainable life expectancy of the coated parts plus the possibility of using inexpensive basic materials result in a significant increase in economy. The use of thermal spray coats in the manufacture of chemical plant calls not only for high adhesion and freedom from pores and cracks but also for good corrosion resistance. The high technological level which has been reached in spray processes as well as the development of suitable spray materials have meant that a satisfactory solution has now been found to a large number of the problems that were still outstanding a few years ag

ISSN:0009-286X    

DOI:10.1002/cite.330590206

出版商:WILEY‐VCH Verlag    

年代:1987

数据来源: WILEY

摘要:

AbstractUse of carbon fibres in equipment constuction. Carbon fibres are characterized by high tensile strengths, high modulus of elasticity, and good corrosion resistance. They are therefore especially suitable for reinforcement of components made of plastics (CFC). Carbon fibre reinforced parts made of resin‐impregnated graphite withstand higher mechanical stress and offer greater reliability in operation. CFP materials is an economical alternative to high‐alloyed steel for use in corrosive media. Apart from graphite CFC is one of the few materials of construction suitable for use up to temperatures of over 2000 °C. It has also been sucessfully used for highly corrosion‐resistant equipment such as grids and

ISSN:0009-286X    

DOI:10.1002/cite.330590207

出版商:WILEY‐VCH Verlag    

年代:1987

数据来源: WILEY

ISSN:0009-286X    

DOI:10.1002/cite.330590208

出版商:WILEY‐VCH Verlag    

年代:1987

数据来源: WILEY

ISSN:0009-286X    

DOI:10.1002/cite.330590209

出版商:WILEY‐VCH Verlag    

年代:1987

数据来源: WILEY

ISSN:0009-286X    

DOI:10.1002/cite.330590210

出版商:WILEY‐VCH Verlag    

年代:1987

数据来源: WILEY

ISSN:0009-286X    

DOI:10.1002/cite.330590211

出版商:WILEY‐VCH Verlag    

年代:1987

数据来源: WILEY