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IJCT Vol.16(6) [November 2009] >


Title: Tailoring of Guar gum for desert sand stabilization
Authors: Gupta, Satish Chandra
Hooda, K S
Mathur, N K
Gupta, S
Keywords: Guar gum
Viscosity
Grout
Stabilization of sand
Issue Date: Nov-2009
Publisher: CSIR
Abstract: A low viscosity grade guar gum has been developed by two techniques i.e. gamma irradiation and H2O2 treatment. The desired viscosity is achieved by controlling the quantity of hydrogen peroxide solution or the -irradiation dose. The viscosity of 1% guar gum was reduced from 3240 cps to 116 cps using 10% H2O2 solution (50% v/v) and from 3203 cps to 222 cps using 6 kGy -irradiation dose. The reduced viscosity was stabilized by adding 0.5% solution of formaldehyde (37% v/v) or by using 0.5% cobalt naphthenate. The low viscosity grade guar gum powder and the solutions stabilized with cobalt naphthenate or formaldehyde could be stored for long periods without loss of viscosity. The reduced viscosity guar gum is used for grouting stabilization of sand for construction works across desert.
Page(s): 507-512
ISSN: 0975-0991 (Online); 0971-457X (Print)
Source:IJCT Vol.16(6) [November 2009]

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