Properties and potential uses of water treatment sludge from the Neches River of southeast Texas /

(1) to investigate characteristics of organic polymer

Bibliographic Details
Main Author: Kan, Weiqun, 1959-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1995.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:(1) to investigate characteristics of organic polymer
28 cmol kg-1. Quantitative mineralogical analyses showed
8% mica. However, XRD patterns of the sludge indicated that
aggregate stability, Atterberg limits, hydraulic
been an unsolved problem. The objectives of this study were
Boonville sandy loam soil increased the aggregate stability
characteristics, nitrogen content and mineralization
Charles clay soils. Organic polymer coagulants added during
clay or Lake Charles clay soil showed that nitrogen
coagulant added during water clarification, which also was
compressible. Addition of 0 to 10% sludge into Boonville
conductivity, dispersion, crust strength, adsorption
confirmed by aggregate stability of the sludge. Cation
contamination problem.
decreased from 53.1 to 14.4 kg / cm. Metal adsorbing ability
determined in this study. Mineralogical composition of
due to their resistance to rewetting. The aggregate
estimated to be 40% kaolinite, 32% smectite, 20% quartz and
exchange capacity of the bulk sludge samples ranged from 8 to
exchange sites with organic polymers. SEM and TEM results
expansion of the smectite was inhibited by organic polymer
from 111 to 138%; and liquid limit from 208 to 320%, which
indicated that the sludge was mostly fine aggregates of clay
infiltration, dispersion and crusting. The low nitrogen
Land application of water treatment plant (WTP) sludge has
limit of the sludges ranged from 16 to 66%; plastic limit
little fertility and would not produce a groundwater
mineralization rate of the sludge showed that the sludge had
mineralization rate was not affected by the sludge addition.
Mineralogical composition, cation exchange capacity (CEC),
Moreover, addition of from 0 to 10% sludge into Boonville
nitrogen and exchangeable ammonium nitrogen (NH4+) contents
nitrogen, incubation experiment of sludge-amended Beaumont
of local Beaumont clay soil. Addition of 0 to 10% sludge to
of the Boonville sandy loam soil was reduced by addition of
of the sludge were four times and twenty times as high,
of the soil from 4 to 13%. Atterberg limit showed that wet
organic polymer sludge was similar to local Beaumont clay
particles. Dried sludge aggregates were not prone to swell,
physical properties significantly, e.g. soil aggregation,
plastic states, and shrunk greatly during drying. Shrinkage
potential of the sludge or sludge-amended soil were
rainfall, and the penetration resistance of the crust
respectively, as those of local Beaumont clay and Lake
S, and reduced the dispersion of the soil significantly.
sandy loam soil greatly reduced the crusting produced by
sandy loam soil increased the infiltration rate of the soil
scanning and transmission electron microscopy (SEM and TEM),
sludge had wide ranges of moisture contents in semi-solid and
sludge, and (2) to determine the effects of the sludge on
sludge. Although the sludge contained considerable total
soaking period in water, compared to 7% aggregate stability
soil amendment. Water treatment sludges were obtained from
soil properties that influence utilization of the sludge as a
soil. The major fraction of the sludge, the coarse clay, was
stability of dried sludge was above 90% after a 24 hours
suggested that the sludge was highly plastic and
that CEC of the sludge was reduced by blockage of cation
the sludge. Adsorption of Zn+2 decreased from 19.7 to 17.7
They were mostly coagulated with organic polymers.
This study indicated that the sludge can improve soil
two orders of magnitudes from 1.4 x 10-4 to 1. I X 10-2 CM /
ug / g when the sludge was amended from 0 to 10%. Total
water treatment apparently increased nitrogen content of the
water utilities along the Neches Rivet- near Beaumont, Texas.
Item Description:"Major subject: Soil Science".
Vita.
Physical Description:xi, 92 leaves : illustrations, maps ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.