SCIENTIFIC BASES FOR PREPARATICN OF DIATOMITE AND PERLITE FLTER-AID

SCIENTIFIC BASES FOR PREPARATICN OF DIATOMITE AND PERLITE FLTER-AID

According to the filtration mechanism andfiltration formula, it is considered that thesurface area, bulk density and grain size distri-bution of filter-aid are the main factors affectingthe filtration rate. On the basis of analysing phy-sical and chemical properties of diatomite and per-lite, the sc...

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Veröffentlicht in:武汉理工大学学报：材料科学英文版 1991 (2), p.35-44
1. Verfasser: 徐慧珍 过中儒 施云龙
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Sprache:eng
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Diatomite
Filter > aid
Perlite
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container_title 武汉理工大学学报：材料科学英文版
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creator 徐慧珍 过中儒 施云龙
description According to the filtration mechanism andfiltration formula, it is considered that thesurface area, bulk density and grain size distri-bution of filter-aid are the main factors affectingthe filtration rate. On the basis of analysing phy-sical and chemical properties of diatomite and per-lite, the scientific bases for preparation of filteraid are discussed. It is possible that the complexfilter aid, which is made up of low grade diatomiteand perlite, is favourable to build-up a fine"steely-bridged structure" for the filter cake, andits filtration performance of beer could be improvedas good as that of commercial filter-aid made fromhigh grade diatomite. The above points have beendemonstrated by the results of laboratorial andindustrial experiments of beer filtration.
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identifier ISSN: 1000-2413
ispartof 武汉理工大学学报：材料科学英文版, 1991 (2), p.35-44
issn 1000-2413
1993-0437
language eng
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source Alma/SFX Local Collection
subjects Diatomite
Filter--aid
Perlite
title SCIENTIFIC BASES FOR PREPARATICN OF DIATOMITE AND PERLITE FLTER-AID
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