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Publikováno v:
International Journal of Pharmaceutics. 217:201-213
The filtration behaviour of some clay-water dispersions was studied. Two Spanish fibrous phyllosilicates (sepiolite from Vicálvaro and palygorskite from Turón) and a commercial bentonite (Bentopharm UK) with similar sizes and different morphologies
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4204964c9894a5f5bcdad91e500089b
https://doi.org/10.1016/s0378-5173(01)00606-8
https://doi.org/10.1016/s0378-5173(01)00606-8
Publikováno v:
SPE Drilling & Completion. 15:97-104
Summary Differential sticking has a major impact on drilling efficiency and well costs. It is known to be influenced by drilling-fluid properties and other parameters, such as the characteristics of rock formations. Mechanisms of differential stickin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ebe12d594a300feb5339e13c533011d
https://doi.org/10.2118/64114-pa
https://doi.org/10.2118/64114-pa
Autor:
G.H. Meeten
Publikováno v:
Chemical Engineering Science. 55:1755-1767
Suspensions of rigid polyethylene particles and deformable cross-linked dextran particles (Sephadex) were filtered on a planar septum by a constant applied pressure P . For both particle types the relation of Ruth, Montillon and Montanna (1933, Indus
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1d4ef95cf48aee6d687865940235f96
https://doi.org/10.1016/s0009-2509(99)00451-0
https://doi.org/10.1016/s0009-2509(99)00451-0
Publikováno v:
International Journal of Pharmaceutics. 182:7-20
The effect of mixing conditions on the flow curves of some clay-water dispersions was studied. Two Spanish fibrous phyllosilicates (sepiolite from Vicalvaro and palygorskite from Turon) and a commercial bentonite (Bentopharm © , UK) were selected as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d9b01fb10e0fa79b66d4fb726b01cb59
https://doi.org/10.1016/s0378-5173(99)00075-7
https://doi.org/10.1016/s0378-5173(99)00075-7
Autor:
G.H Meeten
Publikováno v:
Optics Communications. 134:233-240
Mie theory computations of the refraction efficiency for spherical particles are compared with predictions of the Rayleigh, Rayleigh-Gans and Anomalous Diffraction approximations. Attention is given to the intermediate region of particle size, where
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a9d749950472b0a67d7ec2431a0abc0
https://doi.org/10.1016/s0030-4018(96)00577-9
https://doi.org/10.1016/s0030-4018(96)00577-9
Autor:
G.H. Meeten, J. B. A. F. Smeulders
Publikováno v:
Chemical Engineering Science. 50:1273-1279
The capillary suction time (CST) method for measuring the filterability of a suspension is described, and its mode of operation is reviewed and discussed. A radial capillary suction time apparatus, and the filter paper used by it, are investigated in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b39e2857c0aae8ef72d4f42c69109b66
https://doi.org/10.1016/0009-2509(95)98840-b
https://doi.org/10.1016/0009-2509(95)98840-b
Autor:
G.H. Meeten
Publikováno v:
Colloids and Surfaces A: Physicochemical and Engineering Aspects. 82:77-83
A suspension of compressive yield stress P 0 will not be filtered unless the differential filtration pressure P exceeds P 0 . Measurements showing this pressure threshold are reported for a bentonite clay suspension. The cumulative filtrate volume fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab9483659e0074c8bf44e903d852f578
https://doi.org/10.1016/0927-7757(93)02613-j
https://doi.org/10.1016/0927-7757(93)02613-j
Autor:
G.H. Meeten
Publikováno v:
Chemical Engineering Science. 48:2391-2398
A filter cake formed on a planar septum (membrane), or a sedimentary cake formed by gravity, has properties which vary only in one dimension. A method is described for the mechanical dissection of such cakes which enables properties, e.g. the solids
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f2c57606a0293bd5d52b1337a3bf313
https://doi.org/10.1016/0009-2509(93)81060-9
https://doi.org/10.1016/0009-2509(93)81060-9
Autor:
N.E. Sherman, G.H. Meeten
Publikováno v:
Ultrasonics. 31:193-199
Measurements are reported of the attenuation, α, and the velocity, c , of 1–5 MHz compressional wave ultrasound in suspensions of glass ballotini in Newtonian and non-Newtonian base fluids. For the Newtonian fluids, good agreement is found between
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a5255e1702b746ee2275e60c91fd4ff
https://doi.org/10.1016/0041-624x(93)90006-l
https://doi.org/10.1016/0041-624x(93)90006-l