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2020 Vol. 38, No. 5
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2020, 38(5): 1-7,29.
doi: 10.13205/j.hjgc.202005001
Abstract:
In order to solve the problem of long start-up period of the aerobic granular sludge system, the paper reviewed the forming mechanism, the main affecting factors and the methods to promote aerobic granulation. It was found that inducing microbes to s...
In order to solve the problem of long start-up period of the aerobic granular sludge system, the paper reviewed the forming mechanism, the main affecting factors and the methods to promote aerobic granulation. It was found that inducing microbes to s...
2020, 38(5): 8-12,35.
doi: 10.13205/j.hjgc.202005002
Abstract:
Based on seasonal sampling and analysis on the sediment microorganisms in Lake Balihe from July 2017 to April 2018, the dominant generas of bacteria and archaea were identified by the dominance index. These dominant generas of bacteria and archaea we...
Based on seasonal sampling and analysis on the sediment microorganisms in Lake Balihe from July 2017 to April 2018, the dominant generas of bacteria and archaea were identified by the dominance index. These dominant generas of bacteria and archaea we...
2020, 38(5): 13-17,42.
doi: 10.13205/j.hjgc.202005003
Abstract:
On the basis of a single factor study, capillary water absorption time (CST), sedimentation curve, scanning electron microscope (SEM), and three-dimensional fluorescence spectra of EPS in printing and dyeing sludge was explored, and the effect of mic...
On the basis of a single factor study, capillary water absorption time (CST), sedimentation curve, scanning electron microscope (SEM), and three-dimensional fluorescence spectra of EPS in printing and dyeing sludge was explored, and the effect of mic...
2020, 38(5): 18-22.
doi: 10.13205/j.hjgc.202005004
Abstract:
Foams and blocks were produced in the circulating water system of a coal-to-methanol plant due to slight leakage. The fouling was identified to be mainly bacterial cellulose after optical microscopic observation, scanning electron microscopy and chem...
Foams and blocks were produced in the circulating water system of a coal-to-methanol plant due to slight leakage. The fouling was identified to be mainly bacterial cellulose after optical microscopic observation, scanning electron microscopy and chem...
2020, 38(5): 23-29.
doi: 10.13205/j.hjgc.202005005
Abstract:
Phthalic acid esters (PAEs) are a class of endocrine disruptors commonly found in various water environments. Being long-term residents in aquatic environment, PAEs have toxic effects on aquatic organisms, and are also harmful to the human health thr...
Phthalic acid esters (PAEs) are a class of endocrine disruptors commonly found in various water environments. Being long-term residents in aquatic environment, PAEs have toxic effects on aquatic organisms, and are also harmful to the human health thr...
2020, 38(5): 30-35.
doi: 10.13205/j.hjgc.202005006
Abstract:
Electrochemical oxidation is an efficient and environmental-friendly technology with significant advantages in the treatment of antibiotics including amoxicillin. The traditional two-dimensional electrode reactor packed activated carbon as particle e...
Electrochemical oxidation is an efficient and environmental-friendly technology with significant advantages in the treatment of antibiotics including amoxicillin. The traditional two-dimensional electrode reactor packed activated carbon as particle e...
2020, 38(5): 36-42.
doi: 10.13205/j.hjgc.202005007
Abstract:
With the development of modern analysis technologies and the enhanced consciousness of people for environmental security, occurrence of antibiotics as emerging organic contaminants (EOCs) in the environment have received growing global concerns. The ...
With the development of modern analysis technologies and the enhanced consciousness of people for environmental security, occurrence of antibiotics as emerging organic contaminants (EOCs) in the environment have received growing global concerns. The ...
2020, 38(5): 43-48.
doi: 10.13205/j.hjgc.202005008
Abstract:
A heterotrophic nitrification and aerobic denitrification bacterium strain named XK51 was isolated and purified from nitrogen-contaminated shallow aquifer porous media. The strain was identified as Pseudomonas Putida by morphological observation, phy...
A heterotrophic nitrification and aerobic denitrification bacterium strain named XK51 was isolated and purified from nitrogen-contaminated shallow aquifer porous media. The strain was identified as Pseudomonas Putida by morphological observation, phy...
2020, 38(5): 49-53,209.
doi: 10.13205/j.hjgc.202005009
Abstract:
In traditional aerated ecological floating wetland, the water body was usually stirred vigorously, and the microbial membrane and the rhizosphere were not stabilized, thus, the nitrogen and phosphorus removal effects of the polluted water were affect...
In traditional aerated ecological floating wetland, the water body was usually stirred vigorously, and the microbial membrane and the rhizosphere were not stabilized, thus, the nitrogen and phosphorus removal effects of the polluted water were affect...
2020, 38(5): 54-59,195.
doi: 10.13205/j.hjgc.202005010
Abstract:
Taking actual domestic sewage with C/N of about 3 as the treatment object, the influence of influent mode and the position of the recirculation point on the function of denitrification and dephosphorization on multi-stage biological contact oxidation...
Taking actual domestic sewage with C/N of about 3 as the treatment object, the influence of influent mode and the position of the recirculation point on the function of denitrification and dephosphorization on multi-stage biological contact oxidation...
2020, 38(5): 60-64,190.
doi: 10.13205/j.hjgc.202005011
Abstract:
This paper evaluated and analyzed the water quality improvement effect in Haihe River Basin in Henan province during 2015—2018 using single factor evaluation method, comprehensive pollution index evaluation method, and fuzzy comprehensive evaluation ...
This paper evaluated and analyzed the water quality improvement effect in Haihe River Basin in Henan province during 2015—2018 using single factor evaluation method, comprehensive pollution index evaluation method, and fuzzy comprehensive evaluation ...
2020, 38(5): 65-69.
doi: 10.13205/j.hjgc.202005012
Abstract:
The content characteristics of TN, TP, TK and OM, as well as 6 kinds of heavy metals including Cr, Cu, Ni, Pb, Zn, As in the sludge of 32 urban sewage treatment plants in different areas of Shaanxi province were investigated in different water period...
The content characteristics of TN, TP, TK and OM, as well as 6 kinds of heavy metals including Cr, Cu, Ni, Pb, Zn, As in the sludge of 32 urban sewage treatment plants in different areas of Shaanxi province were investigated in different water period...
2020, 38(5): 70-75,83.
doi: 10.13205/j.hjgc.202005013
Abstract:
In order to improve the flow state in the anaerobic reactor, accelerate the granulation of sludge and form an ecological gradient microbial ecosystem, a new type of anaerobic multi-stage spouted bed was designed and fabricated, and the hydraulic spou...
In order to improve the flow state in the anaerobic reactor, accelerate the granulation of sludge and form an ecological gradient microbial ecosystem, a new type of anaerobic multi-stage spouted bed was designed and fabricated, and the hydraulic spou...
2020, 38(5): 76-83.
doi: 10.13205/j.hjgc.202005014
Abstract:
Nitrate-dependent anaerobic ferrous iron oxidation refers to the biomineralization process coupled with ferrous oxidation and nitrate nitrogen reduction, which not only has the effect of denitrification on sewage, but also can obtain a series of iron...
Nitrate-dependent anaerobic ferrous iron oxidation refers to the biomineralization process coupled with ferrous oxidation and nitrate nitrogen reduction, which not only has the effect of denitrification on sewage, but also can obtain a series of iron...
2020, 38(5): 84-88.
doi: 10.13205/j.hjgc.202005015
Abstract:
A novel magnetic composite adsorbent of PAM@Fe3O4/MnO2 (PFM) was prepared and introduced to remove copper ions from water. The effects of adsorbent dosage, initial concentration of the heavy metal solution, and the adsorption time for the Cu2+ remova...
A novel magnetic composite adsorbent of PAM@Fe3O4/MnO2 (PFM) was prepared and introduced to remove copper ions from water. The effects of adsorbent dosage, initial concentration of the heavy metal solution, and the adsorption time for the Cu2+ remova...
2020, 38(5): 89-95.
doi: 10.13205/j.hjgc.202005016
Abstract:
xCuO-yWO3/TiO2 catalysts (x and y represent the mass fraction of CuO and WO3 in the sample, respectively) were prepared by sol-gel method and impregnation method, respectively, and the SCR denitration performance (NH3-SCR) of the catalysts was evalua...
xCuO-yWO3/TiO2 catalysts (x and y represent the mass fraction of CuO and WO3 in the sample, respectively) were prepared by sol-gel method and impregnation method, respectively, and the SCR denitration performance (NH3-SCR) of the catalysts was evalua...
2020, 38(5): 96-101.
doi: 10.13205/j.hjgc.202005017
Abstract:
A series of numerical simulations were conducted for FGD wastewater evaporation occurred in a flue duct of a 2×350 MW coal-fired unit. The evolution and distribution of gas-liquid was revealed and the dependence of residence time and required distanc...
A series of numerical simulations were conducted for FGD wastewater evaporation occurred in a flue duct of a 2×350 MW coal-fired unit. The evolution and distribution of gas-liquid was revealed and the dependence of residence time and required distanc...
2020, 38(5): 102-106.
doi: 10.13205/j.hjgc.202005018
Abstract:
In order to explore the practical application of sintering flue gas purification technology of ozone oxidation combined with magnesium wet absorption, a pilot study on simulated sintering flue gas was carried out. The ultra-low emission route of desu...
In order to explore the practical application of sintering flue gas purification technology of ozone oxidation combined with magnesium wet absorption, a pilot study on simulated sintering flue gas was carried out. The ultra-low emission route of desu...
2020, 38(5): 107-112,119.
doi: 10.13205/j.hjgc.202005019
Abstract:
A series of V2O5-MoO3/TiO2 and V2O5-MoO3/TiO2-ZrO2 catalysts were prepared by impregnation method. The effects of V2O5/TiO2, MoO3/TiO2 and ZrO2/TiO2 mass ratio on the selective catalytic reduction of NO were investigated. The results showed that the ...
A series of V2O5-MoO3/TiO2 and V2O5-MoO3/TiO2-ZrO2 catalysts were prepared by impregnation method. The effects of V2O5/TiO2, MoO3/TiO2 and ZrO2/TiO2 mass ratio on the selective catalytic reduction of NO were investigated. The results showed that the ...
2020, 38(5): 113-119.
doi: 10.13205/j.hjgc.202005020
Abstract:
Metal elements adsorbed in PM2.5 imposed a great threat to the public health, due to its strong stability and enrichment. In order to characterize the metal elements absorbed in PM2.5, four metropolitan cities with severe haze pollution, i.e., Beijin...
Metal elements adsorbed in PM2.5 imposed a great threat to the public health, due to its strong stability and enrichment. In order to characterize the metal elements absorbed in PM2.5, four metropolitan cities with severe haze pollution, i.e., Beijin...
2020, 38(5): 120-125,95.
doi: 10.13205/j.hjgc.202005021
Abstract:
In this paper, in order to obtain the law of the influence of relative position of the baffles and the inlet and outlet on the air flow distribution in the bag filter, under the condition of higher negative pressure and higher inlet wind speed, the a...
In this paper, in order to obtain the law of the influence of relative position of the baffles and the inlet and outlet on the air flow distribution in the bag filter, under the condition of higher negative pressure and higher inlet wind speed, the a...
2020, 38(5): 126-132.
doi: 10.13205/j.hjgc.202005022
Abstract:
In order to explore the magnetic response of environmental pollution about dust-loaded leaves on main road in Baoji city, different types of leaves on both sides of streets were collected for systematic environmental magnetic tests. The results showe...
In order to explore the magnetic response of environmental pollution about dust-loaded leaves on main road in Baoji city, different types of leaves on both sides of streets were collected for systematic environmental magnetic tests. The results showe...
2020, 38(5): 133-137,106.
doi: 10.13205/j.hjgc.202005023
Abstract:
Steel slag production quantity is huge in China. With the increasingly strict environmental protection requirements in China, the modification of steel slag to make steel slag resource utilization becomes an urgent task. This paper briefly described ...
Steel slag production quantity is huge in China. With the increasingly strict environmental protection requirements in China, the modification of steel slag to make steel slag resource utilization becomes an urgent task. This paper briefly described ...
2020, 38(5): 138-143.
doi: 10.13205/j.hjgc.202005024
Abstract:
The disposal of construction waste is still a worldwide problem, and currently its main disposal method is still traditional landfill in China, leading to occupation of land, soil and groundwater pollution, release of greenhouse gas methane and other...
The disposal of construction waste is still a worldwide problem, and currently its main disposal method is still traditional landfill in China, leading to occupation of land, soil and groundwater pollution, release of greenhouse gas methane and other...
2020, 38(5): 144-149.
doi: 10.13205/j.hjgc.202005025
Abstract:
The anaerobic biodegradability and methane yield of the low organic municipal sludge could be significantly improved on anaerobic co-digestion, by combing banana straw with high temperature thermal hydrolysis pretreatment (HTHP). In the combining sys...
The anaerobic biodegradability and methane yield of the low organic municipal sludge could be significantly improved on anaerobic co-digestion, by combing banana straw with high temperature thermal hydrolysis pretreatment (HTHP). In the combining sys...
2020, 38(5): 150-154.
doi: 10.13205/j.hjgc.202005026
Abstract:
With the rapid development of Chinese economy and urbanization, sludge production in sewage treatment plants rises rapidly. It is very important to properly dispose of the sludge. The preparation of sludge-based foam insulation materials can utilize ...
With the rapid development of Chinese economy and urbanization, sludge production in sewage treatment plants rises rapidly. It is very important to properly dispose of the sludge. The preparation of sludge-based foam insulation materials can utilize ...
2020, 38(5): 155-159,178.
doi: 10.13205/j.hjgc.202005027
Abstract:
In our study, five kinds of red mud samples from different aluminum factories were collected for sequencing batch leaching experiment to simulate the leaching behavior of rare metals of red mud in natural storage condition under different pH. The res...
In our study, five kinds of red mud samples from different aluminum factories were collected for sequencing batch leaching experiment to simulate the leaching behavior of rare metals of red mud in natural storage condition under different pH. The res...
2020, 38(5): 160-164,214.
doi: 10.13205/j.hjgc.202005028
Abstract:
In order to expand the utilization of activated sludge, the co-pyrolysis of sludge and wheat straw with different moisture content was studied in a fixed bed reactor. Sludge and straw with different moisture content were mixed and pyrolysis in the ra...
In order to expand the utilization of activated sludge, the co-pyrolysis of sludge and wheat straw with different moisture content was studied in a fixed bed reactor. Sludge and straw with different moisture content were mixed and pyrolysis in the ra...
2020, 38(5): 165-170.
doi: 10.13205/j.hjgc.202005029
Abstract:
In this study, the remediation effect of several chemical oxidation systems on TPH-contaminated soils were evaluated, and some impact factors were studied as well. The results showed that Fenton, Fenton-like and alkali-activated persulfate systems sh...
In this study, the remediation effect of several chemical oxidation systems on TPH-contaminated soils were evaluated, and some impact factors were studied as well. The results showed that Fenton, Fenton-like and alkali-activated persulfate systems sh...
2020, 38(5): 171-178.
doi: 10.13205/j.hjgc.202005030
Abstract:
Mercury (Hg) pollution has become one of the most important environmental problems because of its high toxicity, wide range of pollution and high risk of ecological health. The anthropogenic sources of mercury pollution mainly include fossil fuel com...
Mercury (Hg) pollution has become one of the most important environmental problems because of its high toxicity, wide range of pollution and high risk of ecological health. The anthropogenic sources of mercury pollution mainly include fossil fuel com...
2020, 38(5): 179-184.
doi: 10.13205/j.hjgc.202005031
Abstract:
Through the indoor simulation experiments, the effect of environmental factors on the release and conversion of OP in the sediment was studied. The results were gained as follows: the combining capping of river sand and red soil was the best way to c...
Through the indoor simulation experiments, the effect of environmental factors on the release and conversion of OP in the sediment was studied. The results were gained as follows: the combining capping of river sand and red soil was the best way to c...
2020, 38(5): 191-195.
doi: 10.13205/j.hjgc.202005033
Abstract:
In the process of landfill stabilization, to study the influencing factors of anaerobic methane oxidation process, the influence of gaseous substances (hydrogen, nitrogen) on the anaerobic methane oxidation process was investigated. On this basis, th...
In the process of landfill stabilization, to study the influencing factors of anaerobic methane oxidation process, the influence of gaseous substances (hydrogen, nitrogen) on the anaerobic methane oxidation process was investigated. On this basis, th...
2020, 38(5): 196-201,222.
doi: 10.13205/j.hjgc.202005034
Abstract:
In order to study the pollution characteristics of polycyclic aromatic hydrocarbons (PAHs) in urban top soil of Shenyang, 74 urban top soil samples were collected from the urban area of Shenyang in September 2017, the concentrations of 16 prior PAHs ...
In order to study the pollution characteristics of polycyclic aromatic hydrocarbons (PAHs) in urban top soil of Shenyang, 74 urban top soil samples were collected from the urban area of Shenyang in September 2017, the concentrations of 16 prior PAHs ...
2020, 38(5): 202-209.
doi: 10.13205/j.hjgc.202005035
Abstract:
In Lianhua Town, the suburb of Changsha, 54 soil samples were collected, and the contents of 5 heavy metal elements including Hg, Cd, As, Pb and Cr, were measured. A comprehensive ecological risk evaluation method was used to evaluate the pollution d...
In Lianhua Town, the suburb of Changsha, 54 soil samples were collected, and the contents of 5 heavy metal elements including Hg, Cd, As, Pb and Cr, were measured. A comprehensive ecological risk evaluation method was used to evaluate the pollution d...
2020, 38(5): 210-214.
doi: 10.13205/j.hjgc.202005036
Abstract:
In order to quickly and accurately determine the total nitrogen content in maize leaves and monitor the nitrogen element content under microbial remediation by hyperspectral remote sensing technology, two levels of AM fungal treatment were set up, wi...
In order to quickly and accurately determine the total nitrogen content in maize leaves and monitor the nitrogen element content under microbial remediation by hyperspectral remote sensing technology, two levels of AM fungal treatment were set up, wi...
2020, 38(5): 215-222.
doi: 10.13205/j.hjgc.202005037
Abstract:
Groundwater pollution risk assessment is important for the rational development and utilization of land and groundwater pollution prevention. By analyzing the characteristics of shallow groundwater in the plain area of Xi’an, a conceptual model of gr...
Groundwater pollution risk assessment is important for the rational development and utilization of land and groundwater pollution prevention. By analyzing the characteristics of shallow groundwater in the plain area of Xi’an, a conceptual model of gr...
