32 research outputs found
Isolation and Purification of Lactobacillus Acidophilus and Analyzing its Influence on Effluent Treatment
Out of various activities in textile industry, wet processing produces about 70% of the effluents. Of late textile industry is giving importance for the eco-friendly processes to protect the environment. The effluents degrade the quality of water and cause injury to the existing organisms and aquatic life. When biological treatments are given to the textile effluents it results in significant reduction in the effluent characteristics and the resultant becomes environmental friendly. This successful bio-culture treatment uses aquatic organisms to purify effluent and refresh the water. A number of bio-cultural species are widely used in the treatment of effluents. Lactobacillus acidophilus is one such bacterium used in the effluent purification. Lactobacillus acidophilus has the ability to remove, assimilate and decompose the biodegradable organic matters present in the effluents. In addition to these, the present research study attempts to control the levels of total suspended solids (TSS), improve the dissolved oxygen content, reduce the chemical oxygen demand (COD) and biological oxygen demand (BOD)
Productivity enhancements of compound parabolic concentrator tubular solar stills
The performance of compound parabolic concentrator assisted tubular solar still (CPC-TSS) and compound parabolic concentrator-concentric tubular solar still (CPC-CTSS) (to allow cooling water) with different augmentation systems were studied. A rectangular saline water trough of dimension 2 m × 0.03 m × 0.025 m was designed and fabricated. The effective collector area of the still is 2 m × 1 m with five sets of tubular still – CPC collectors placed horizontally with north-south orientation. Hot water taken from the CPC-CTSS was integrated to a pyramid type and single slope solar still. Diurnal variations of water temperature, air temperature, cover temperature and distillate yield were recorded. The results showed that, the productivity of the un-augmented CPC-TSS and CPC-CTSS were 3710 ml/day and 4960 ml/day, respectively. With the heat extraction technique, the productivity of CPC-CTSS with a single slope solar still and CPC-CTSS with a pyramid solar still were found as 6460 ml/day and 7770 ml/day, respectively. The process integration with different systems cost was found slightly higher but the overall efficiency and the produced distilled water yield was found augmented
Isolation and Purification of Lactobacillus Acidophilus and Analyzing its Influence on Effluent Treatment
Out of various activities in textile industry, wet processing produces about 70% of the effluents. Of late
textile industry is giving importance for the eco-friendly processes to protect the environment. The effluents
degrade the quality of water and cause injury to the existing organisms and aquatic life. When biological
treatments are given to the textile effluents it results in significant reduction in the effluent characteristics and the
resultant becomes environmental friendly. This successful bio-culture treatment uses aquatic organisms to purify
effluent and refresh the water. A number of bio-cultural species are widely used in the treatment of effluents.
Lactobacillus acidophilus is one such bacterium used in the effluent purification. Lactobacillus acidophilus has
the ability to remove, assimilate and decompose the biodegradable organic matters present in the effluents. In
addition to these, the present research study attempts to control the levels of total suspended solids (TSS),
improve the dissolved oxygen content, reduce the chemical oxygen demand (COD) and biological oxygen
demand (BOD)
Isolation and Purification of Lactobacillus Acidophilus and Analyzing its Influence on Effluent Treatment
Out of various activities in textile industry, wet processing produces about 70% of the effluents. Of late textile industry is giving importance for the eco-friendly processes to protect the environment. The effluents degrade the quality of water and cause injury to the existing organisms and aquatic life. When biological treatments are given to the textile effluents it results in significant reduction in the effluent characteristics and the resultant becomes environmental friendly. This successful bio-culture treatment uses aquatic organisms to purify effluent and refresh the water. A number of bio-cultural species are widely used in the treatment of effluents. Lactobacillus acidophilus is one such bacterium used in the effluent purification. Lactobacillus acidophilus has the ability to remove, assimilate and decompose the biodegradable organic matters present in the effluents. In addition to these, the present research study attempts to control the levels of total suspended solids (TSS), improve the dissolved oxygen content, reduce the chemical oxygen demand (COD) and biological oxygen demand (BOD)
Isolation of mosquitocidal bacteria (<i style="mso-bidi-font-style:normal"><span style="mso-bidi-font-weight:bold">Bacillus thuringiensis</span></i><span style="mso-bidi-font-weight:bold">, <i style="mso-bidi-font-style:normal">B.sphaericus</i> and <i style="mso-bidi-font-style: normal">B.cereus</i>) from excreta of arid birds </span>
739-747Mosquitocidal bacteria are environmentally
friendly alternatives to chemical insecticides for controlling mosquitoes and
therefore, there have been tremendous world-wide efforts to identify novel
mosquitocidal bacteria from natural environment. In the present study, excreta
from arid-birds were analyzed for identifying mosquitocidal bacteria. The
selection of sample for bacterial screening is significant, because, arid-birds
are the unique living species and gathering the foods from variety of sources from
environment. Out of 1000 samples examined, twelve bacterial strains were
identified as mosquitocidal and the 16S rRNA gene sequence alignment depicted
that these isolates belonged to Bacillus species (Bacillus
thuringiensis, B.sphaericus and B.cereus). Toxicity assay against mosquito vectors
have shown that these isolates are potential. The
B. sphaericus VCRC-B547 (NCBI: JN377789) has shown a
higher toxicity against Cx. quinquefasciatus, An. stephensi, and
Aed. aegypti.
Result from SDS-PAGE has shown that there was considerable difference in the
protein profiles among the new bacterial isolates. Phylogenetic tree with
branch length 0.05 revealed three distinct groups with <span style="mso-bidi-font-style:
italic">homology among the closely related Bacillus strains. This study
therefore throws considerable interest on the diversity of microbial organisms
from arid birds and its application in mosquito control.
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