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Study on Characteristics in the Removal Process of Ammonia Nitrogen and Nitrate Nitrogen by an Isolated Heterotrophic Nitrification-Aerobic Denitrification Strain Rhodococcus Sp.
Aerobic denitrification Heterotrophic nitrification Rhodococcus sp Nitrogen removal
2013/3/9
Removal of ammonia nitrogen and nitrate nitrogen by an heterotrophic nitrification-aerobic denitrification strain is an economical and effective method. In this article, a kind of heterotrophic nitrif...
Heavy Metals Removal from Swine Wastewater Using Constructed Wetlands with Horizontal Sub-Surface Flow
Swine Wastewater Typha domingensis Pers. Eleocharis cellulosa Heavy Metals Constructed Wetlands Horizontal Sub-Surface Flow
2013/3/11
The removal efficiency of Cu and Zn from swine wastewater was evaluated as effected by three variables: the hydraulic retention time (HRT) (24, 48, 72 and 96 hours), two different plant species (Typha...
Removal of Phosphorus from Water Using Marble Dust as Sorbent Material
Removal of Phosphorus Marble Dust Kinetic Model Pseudo Equation Isotherm Model
2013/3/11
The removal of phosphorus from water using marble dust as sorbent material was studied by conducting batch tests, kinetic sorption model and isotherm model. The kinetic sorption model based on a pseud...
Removal of Steriod Hormones by Activated Carbon Adsorption—Kinetic and Thermodynamic Studies
Adsorption Isotherms 17β-Estradiol 17α-Ethinyloestradiol Enthalpy
2013/3/11
The mechanism, isotherms and kinetics of removal of two endocrine disrupting chemicals, 17β-estradiol (E2) and 17α-ethinyloestradiol (EE2) by activated carbon adsorption were investigated in an agitat...
Nanofiltration Technology for Toxic or Harmful Ions Removal from Groundwater: Characteristics and Economic Analysis
Nanofiltration Economic Analysis Toxic or Harmful Ions Groundwater
2013/3/11
Nanofiltration (NF) membrane can efficiently remove the ions from groundwater, especially for high valence ions. Results show that the removal rate of fluoride was approximately 67% by the NF system, ...
Equilibrium Isotherms and Kinetic Studies of Removal of Methylene Blue Dye by Adsorption onto Miswak Leaves as a Natural Adsorbent
Miswak Leaves Salvadora Persica Methylene Blue Adsorption Isotherms Adsorption Kinetics
2013/3/12
In this research miswak leaves, agriculture wastes, available in large quantity in Saudi Arabia, was used as low-cost adsorbent for removing methylene blue (MB) dye. Equilibrium behavior of miswak lea...
Cr(VI) Ions Removal from Aqueous Solutions Using Natural Adsorbents – FTIR Studies
FTIR Chromium (VI) Rice Straw Hyacinth Roots Saw Dust
2013/3/12
The ability of eight natural adsorbents were investigated for adsorptive removal of Cr(VI) from aqueous solutions. Various physico-chemical parameters such as pH, initial metal ion concentration, adso...
Removal of Nitrogen Dioxide and Sulfur Dioxide from Air Streams by Absorption in Urea Solution
Sulfur Dioxide Removal Nitrogen Dioxide Removal Column Absorption Removal of Acid Gases Air Pollution Prevention
2013/3/12
The study focuses on the absorption rates of NO2, SO2 and a mixture of these two acid gases into urea solution in packed bed column. The absorption rate was studied as a function of absorbent temperat...
Studies on Chromate Removal by Chromium-Resistant Bacillus sp. Isolated from Tannery Effluent
Bacillus sp. Bioremediation Cr (VI) Removal Tannery Effluent
2013/3/12
A chromate-removing strain was isolated from spent chrome effluent and identified as Bacillus circulans strain MN1. The isolated strain was studied for resistance to Cr (VI) and its ability to remove ...
A Fast Predicting Neural Fuzzy Model for Suspended Solid Removal Efficiency in Multimedia Filter
Multimedia Filter Sand Filtration Removal Efficiency Fuzzy Logic Suspended Solid
2013/3/13
Modeling of filter performance is very difficult because of complexity of the defining physical and chemical events in the filtration system whereas the knowledge of functionality of filter coefficien...
Comparative Performance and Computational Approach of Humic Acid Removal by Clay Adsorption
Adsorption Clay Humic Aid (HA) Mathematics Approach Modification Water Treatment
2013/3/13
The effective removal of humic acid is an important factor influencing the quality of treated waters. Adsorption is one of major techniques used for the removal of humic acid. This study demonstrated ...
Removal of Anionic Metal Ions from Wastewater by Hydroxide-type Adsorbents
hydroxide-type adsorbent adsorption anionic metal ions
2009/11/13
Generally speaking, anionic metal concentrations in wastewater from industries and mineral processing plants are well above the allowed limits for effluent set by the Ministry of Environment of Japan....
Removal of Phosphate from Aqueous Solution with Modified Bentonite
adsorption phosphate sawdust bentonite
2009/11/13
Bentonite combined with sawdust and other metallic compounds was used to remove phosphate from aqueous solutions in this study. The adsorption characteristics of phosphate on the modified bentonite we...
Removal of Textile Dyestufes From Wastewater by Adsorptive Biodegradation
Textile wastewater textile dyestu activated sludge adsorptive biodegradation
2009/10/14
Removal of dyestu s from a synthetic wastewater by adsorptive biodegradation was investigated in this
study. The dyestu adsorption capacities of granular, powdered activated carbon (GAC and PAC) and...
Removal of Chromium from Leather Industry Waste Water by Activated Clinoptilolite
Adsorption Acid activation Chromium Clinoptilolite Zeolite
2009/10/14
Possible use of acid activated Balkesir-Bigadic clinoptilolite for the removal of chromium from leather industry wastewaters was investigated. HNO3, H2SO4 and HCl were used for the activation of cli...