搜索结果: 1-15 共查到“环境科学技术 Removal”相关记录42条 . 查询时间(0.125 秒)
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
2013/1/9
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
2012/8/11
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
2012/8/11
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
2012/6/11
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...
Effect of Temperature and CaO Addition on the Removal of Polychlorinated Dibenzo-p-dioxins and Dibenzofurans in Fly Ash from a Medical Waste Incinerator
PCDD/Fs Fly ash Thermal treatment Calcium oxide
2012/4/28
The effects of thermal treatment temperature and CaO addition on polychlorinated dibenzo-p-dioxins and dibenzofurans
(PCDD/Fs) content in the fly ashes from a medical waste incinerator with high chlo...
Removal of Gaseous Ammonia in Pt-Rh Binary Catalytic Oxidation
Selective catalytic oxidation (SCO) Tubular fixed-bed reactor (TFBR)
2012/3/25
In this study, the oxidation of ammonia (NH3) to form nitrogen was investigated by selective catalytic oxidation (SCO)
over a Pt-Rh binary catalyst fabricated by the incipient wetness impregnation pr...
Nanofiltration Technology for Toxic or Harmful Ions Removal from Groundwater: Characteristics and Economic Analysis
Nanofiltration Economic Analysis Toxic or Harmful Ions Groundwater
2012/3/11
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, ...
Enhanced Microbial Removal of Pyrene in Soils in the Presence of Earthworms
Bioremediation earthworm PAHs bioavailability biodegradation
2011/12/12
Microbial degradation of pyrene was studied in soils in the presence and absence ofearthworms (Eisenia foetida) to demonstrate an integrated innovative strategy for biore-mediation of sites lightly po...
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
2011/8/12
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
2011/8/12
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
2011/4/12
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...
Removal of Particulates from Emissions of Joss Paper Furnaces
Combustion Particulate emission control Bag filtration Wet scrubbing Joss paper
2011/3/28
In recent years, burning joss paper in temple furnaces has been noticed to be a significant cause for particulate emissions
in Asia, especially in Taiwan. This study investigates feasible options of ...
Studies on Chromate Removal by Chromium-Resistant Bacillus sp. Isolated from Tannery Effluent
Bacillus sp. Bioremediation Cr (VI) Removal Tannery Effluent
2011/1/12
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
2010/12/13
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...
Tartaric Acid Modified Rice Hull as a Sorbent for Methylene Blue Removal
Adsorption methylene blue batch study kinetics
2010/9/1
Problem statement: Improper dye discharge from various industries such as textile, paper, cosmetic and plastics into receiving streams can be one of the sources towards water pollution. The release of...