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2020 Vol. 38, No. 3
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2020, 38(3): 1-8.
doi: 10.13205/j.hjgc.202003001
Abstract:
With the release of the "Zero-Waste City" pilot program, construction and demolition waste (C&D waste) has become a key issue for relevant local authorities. C&D waste can be technically classified into five categories: engineering sediment, ...
With the release of the "Zero-Waste City" pilot program, construction and demolition waste (C&D waste) has become a key issue for relevant local authorities. C&D waste can be technically classified into five categories: engineering sediment, ...
2020, 38(3): 9-14,38.
doi: 10.13205/j.hjgc.202003002
Abstract:
In this paper, the construction of the underground pipe gallery in Ningbo, Zhejiang province was taken as the research object. Based on the field investigation and the tracking of the construction progress, the quantitative prediction models of three...
In this paper, the construction of the underground pipe gallery in Ningbo, Zhejiang province was taken as the research object. Based on the field investigation and the tracking of the construction progress, the quantitative prediction models of three...
2020, 38(3): 15-21.
doi: 10.13205/j.hjgc.202003003
Abstract:
The prediction of construction and demolition waste (C&D) and analysis of their spatial-temporal characteristics provided important evidence for making the C&D waste resource management plan. This paper defined and classified C&D waste, a...
The prediction of construction and demolition waste (C&D) and analysis of their spatial-temporal characteristics provided important evidence for making the C&D waste resource management plan. This paper defined and classified C&D waste, a...
2020, 38(3): 22-26.
doi: 10.13205/j.hjgc.202003004
Abstract:
Large amount of engineering slag production and low comprehensive utilization rate have become important environmental issues that need to be resolved in the process of urban development in China, and resource utilization is the future trend. The pap...
Large amount of engineering slag production and low comprehensive utilization rate have become important environmental issues that need to be resolved in the process of urban development in China, and resource utilization is the future trend. The pap...
2020, 38(3): 27-32.
doi: 10.13205/j.hjgc.202003005
Abstract:
The article enumerated domestic and foreign patents and standards related to engineering mud, engineering muck and decoration waste. Analysis of some standards and patents was implemented. The disadvantages of construction waste control in China were...
The article enumerated domestic and foreign patents and standards related to engineering mud, engineering muck and decoration waste. Analysis of some standards and patents was implemented. The disadvantages of construction waste control in China were...
2020, 38(3): 33-38.
doi: 10.13205/j.hjgc.202003006
Abstract:
In this paper, a construction waste dump in Beijing was taken as the research object. Through the radioactive sampling points distribution within 2.5 km of the construction waste dump, the dust fall was collected in April 2019, and the impact of cons...
In this paper, a construction waste dump in Beijing was taken as the research object. Through the radioactive sampling points distribution within 2.5 km of the construction waste dump, the dust fall was collected in April 2019, and the impact of cons...
2020, 38(3): 39-45,8.
doi: 10.13205/j.hjgc.202003007
Abstract:
The unregulated stacking of urban construction waste endangered the environment and the safety of citizens. In order to identify the stacking points of construction waste, aiming at the problem that there was no stacking point sample set for construc...
The unregulated stacking of urban construction waste endangered the environment and the safety of citizens. In order to identify the stacking points of construction waste, aiming at the problem that there was no stacking point sample set for construc...
2020, 38(3): 46-50.
doi: 10.13205/j.hjgc.202003008
Abstract:
In recent years, the output of construction waste in China has been increasing. About 70% of more than 600 large and medium-sized cities in China are surrounded by waste, of which the contribution rate of construction waste reaches 40%. Compared with...
In recent years, the output of construction waste in China has been increasing. About 70% of more than 600 large and medium-sized cities in China are surrounded by waste, of which the contribution rate of construction waste reaches 40%. Compared with...
2020, 38(3): 51-57,109.
doi: 10.13205/j.hjgc.202003009
Abstract:
Membrane fouling in the reverse osmosis (RO) system for wastewater reclamation is much more severe than that of seawater desalination, mainly due to much higher concentration of organic matters in wastewater. In order to predict and control the fouli...
Membrane fouling in the reverse osmosis (RO) system for wastewater reclamation is much more severe than that of seawater desalination, mainly due to much higher concentration of organic matters in wastewater. In order to predict and control the fouli...
MICROBIAL COMMUNITY STRUCTURE OF ACTIVATED SLUDGE IN OXIDATION DITCH PROCESS IN ARID AND COLD REGION
2020, 38(3): 58-62,50.
doi: 10.13205/j.hjgc.202003010
Abstract:
To understand the microbial community structure of activated sludge wastewater treatment plants (WWTPs) in arid and cold regions of Xinjiang, illumina high throughput sequencing technology was used to analyze the microbial community structure of acti...
To understand the microbial community structure of activated sludge wastewater treatment plants (WWTPs) in arid and cold regions of Xinjiang, illumina high throughput sequencing technology was used to analyze the microbial community structure of acti...
2020, 38(3): 63-68,167.
doi: 10.13205/j.hjgc.202003011
Abstract:
The ABR-MBR coupling process was used to investigate the performance of carbon removal and denitrifying phosphorus removal in the process, under the stable operating conditions and their influencing factors. The mechanism of phosphorus removal under ...
The ABR-MBR coupling process was used to investigate the performance of carbon removal and denitrifying phosphorus removal in the process, under the stable operating conditions and their influencing factors. The mechanism of phosphorus removal under ...
2020, 38(3): 69-75.
doi: 10.13205/j.hjgc.202003012
Abstract:
Membrane bioreactors (MBRs) have been concerned by the people because of the advantages in industrial wastewater treatment. However, the complex membrane fouling by diverse foulants, and high energy consumption operation were main obstacles for the w...
Membrane bioreactors (MBRs) have been concerned by the people because of the advantages in industrial wastewater treatment. However, the complex membrane fouling by diverse foulants, and high energy consumption operation were main obstacles for the w...
2020, 38(3): 76-81,26.
doi: 10.13205/j.hjgc.202003013
Abstract:
Take the inverted A2/O process of the municipal sewage treatment plant as the research object, this paper introduced the basic situation, main design parameters and technical characteristics of the process, and analyzed water quality test data of the...
Take the inverted A2/O process of the municipal sewage treatment plant as the research object, this paper introduced the basic situation, main design parameters and technical characteristics of the process, and analyzed water quality test data of the...
2020, 38(3): 82-86,141.
doi: 10.13205/j.hjgc.202003014
Abstract:
Sludge reflux can increase the flocculation core of the system and achieve the purpose of strengthening flocculation. In order to explore the effect of reflux sludge under different conditions on flocculation strengthening, intelligent photometric di...
Sludge reflux can increase the flocculation core of the system and achieve the purpose of strengthening flocculation. In order to explore the effect of reflux sludge under different conditions on flocculation strengthening, intelligent photometric di...
2020, 38(3): 87-91.
doi: 10.13205/j.hjgc.202003015
Abstract:
In order to solve the problem of non-point source pollution of domestic sewage in rural area of western China, adsorption kinetics and thermodynamics tests were carried out to determine the adsorption characteristics of PO43--P in 6 kinds of natural ...
In order to solve the problem of non-point source pollution of domestic sewage in rural area of western China, adsorption kinetics and thermodynamics tests were carried out to determine the adsorption characteristics of PO43--P in 6 kinds of natural ...
2020, 38(3): 92-98,115.
doi: 10.13205/j.hjgc.202003016
Abstract:
As a potential pollution source of urban receiving water, the impact of effluent from wastewater treatment plant (WWTP) on aquatic environment should not be ignored. The overall research on the influence of WWTP tail water on urban rivers is of great...
As a potential pollution source of urban receiving water, the impact of effluent from wastewater treatment plant (WWTP) on aquatic environment should not be ignored. The overall research on the influence of WWTP tail water on urban rivers is of great...
2020, 38(3): 99-104,179.
doi: 10.13205/j.hjgc.202003017
Abstract:
With the rapid development of computer technology, numerical simulation has been widely used in the field of wastewater biological treatment process design and water treatment equipment structure optimization. This paper introduced the commonly used ...
With the rapid development of computer technology, numerical simulation has been widely used in the field of wastewater biological treatment process design and water treatment equipment structure optimization. This paper introduced the commonly used ...
2020, 38(3): 105-109.
doi: 10.13205/j.hjgc.202003018
Abstract:
Based on the distinguishing features of water system in Guangzhou-Foshan cross-border area in Nanhai District, different water control units were divided. By investigation and analysis of water environment control projects finished in 2018 in this ar...
Based on the distinguishing features of water system in Guangzhou-Foshan cross-border area in Nanhai District, different water control units were divided. By investigation and analysis of water environment control projects finished in 2018 in this ar...
2020, 38(3): 110-115.
doi: 10.13205/j.hjgc.202003019
Abstract:
In order to achieve high efficiency of oil shale wastewater treatment and meet the development requirements of energy saving, emission reduction and clean production, researches on the targeted processing technologies have been carried out at home an...
In order to achieve high efficiency of oil shale wastewater treatment and meet the development requirements of energy saving, emission reduction and clean production, researches on the targeted processing technologies have been carried out at home an...
2020, 38(3): 116-122.
doi: 10.13205/j.hjgc.202003020
Abstract:
A novel heavy metal adsorbent, mercaptoacetyl corn straw (MACS), was prepared by chemical reaction with corn straw and mercaptoacetic acid (TGA). The removal performance of Cd(Ⅱ) in water aqueous with MACS was taken as the main indicator, and the pre...
A novel heavy metal adsorbent, mercaptoacetyl corn straw (MACS), was prepared by chemical reaction with corn straw and mercaptoacetic acid (TGA). The removal performance of Cd(Ⅱ) in water aqueous with MACS was taken as the main indicator, and the pre...
2020, 38(3): 123-127.
doi: 10.13205/j.hjgc.202003021
Abstract:
Aiming at the fact that the BOD5 in wastewater can not easily measured directly, a support vector machine regression water quality prediction model based on genetic algorithm optimization parameters was proposed. Using machine learning method, BOD5 w...
Aiming at the fact that the BOD5 in wastewater can not easily measured directly, a support vector machine regression water quality prediction model based on genetic algorithm optimization parameters was proposed. Using machine learning method, BOD5 w...
2020, 38(3): 128-134.
doi: 10.13205/j.hjgc.202003022
Abstract:
Static vortex was a way for progress intensification in wet flue gas desulfurization, and its status and trend were studied. The gas-phase flow field and the principle of the progress intensification were introduced. Various types of gas-liquid conta...
Static vortex was a way for progress intensification in wet flue gas desulfurization, and its status and trend were studied. The gas-phase flow field and the principle of the progress intensification were introduced. Various types of gas-liquid conta...
2020, 38(3): 135-141.
doi: 10.13205/j.hjgc.202003023
Abstract:
Electrostatic precipitator(ESP) was mainly divided into two parts: electric control unit and main body. The working principle and technical characteristics of power frequency power supply, high frequency power supply and pulse power supply were descr...
Electrostatic precipitator(ESP) was mainly divided into two parts: electric control unit and main body. The working principle and technical characteristics of power frequency power supply, high frequency power supply and pulse power supply were descr...
2020, 38(3): 142-147,161.
doi: 10.13205/j.hjgc.202003024
Abstract:
Based on the hourly data provided by Changshu Environmental Monitoring Station and chemical composition data of PM2.5 and lidar monitoring data from November 21st to December 5th in 2018, the pollution characteristics of PM2.5 and its main chemical c...
Based on the hourly data provided by Changshu Environmental Monitoring Station and chemical composition data of PM2.5 and lidar monitoring data from November 21st to December 5th in 2018, the pollution characteristics of PM2.5 and its main chemical c...
2020, 38(3): 148-153.
doi: 10.13205/j.hjgc.202003025
Abstract:
Iron oxide in fly ash is the main impurity for its high value utilization process. Efficient removal of iron impurities is of great significance for the high value utilization of fly ash. In this paper, the wet magnetic separation method was used to ...
Iron oxide in fly ash is the main impurity for its high value utilization process. Efficient removal of iron impurities is of great significance for the high value utilization of fly ash. In this paper, the wet magnetic separation method was used to ...
2020, 38(3): 154-161.
doi: 10.13205/j.hjgc.202003026
Abstract:
The moisture content of the residual sludge is generally high. The moisture of the residual sludge can be reduced obviously by drying process, so it is necessary to analyze and summarize the researches about sludge drying technologies. First of all, ...
The moisture content of the residual sludge is generally high. The moisture of the residual sludge can be reduced obviously by drying process, so it is necessary to analyze and summarize the researches about sludge drying technologies. First of all, ...
2020, 38(3): 162-167.
doi: 10.13205/j.hjgc.202003027
Abstract:
Pyrolysis is one of the promising technologies for wastewater sludge treatment, in which pyrolysis residence time is one of the primary factors affecting the properties of sludge biochar. This experiment studied the effects of different pyrolysis res...
Pyrolysis is one of the promising technologies for wastewater sludge treatment, in which pyrolysis residence time is one of the primary factors affecting the properties of sludge biochar. This experiment studied the effects of different pyrolysis res...
2020, 38(3): 168-173.
doi: 10.13205/j.hjgc.202003028
Abstract:
For the further understanding of soil environmental capacity, a total of 191 farmland soil samples were collected from Yanqi Basin, and the concentrations of seven heavy metals (As, Cd, Cr, Cu, Ni, Pb and Zn) were identified. The characteristics and ...
For the further understanding of soil environmental capacity, a total of 191 farmland soil samples were collected from Yanqi Basin, and the concentrations of seven heavy metals (As, Cd, Cr, Cu, Ni, Pb and Zn) were identified. The characteristics and ...
2020, 38(3): 174-179.
doi: 10.13205/j.hjgc.202003029
Abstract:
In this paper, COMSOL simulation software was used to simulate the thermal response unit of SVE technology with a scale of 2 m×2 m×1 m, for the temperature field variation of 1 m depth below the surface and the migration state of pollutants in the pl...
In this paper, COMSOL simulation software was used to simulate the thermal response unit of SVE technology with a scale of 2 m×2 m×1 m, for the temperature field variation of 1 m depth below the surface and the migration state of pollutants in the pl...
2020, 38(3): 180-185,127.
doi: 10.13205/j.hjgc.202003030
Abstract:
To realize remote sensing monitoring of chlorophyll-a in Pingzhai Reservoir, the measured chlorophyll-a concentration and quasi-synchronized Sentinel-2 data of Pingzhai Reservoir on November 17th and 18th, 2017 were selected. The BP neural network mo...
To realize remote sensing monitoring of chlorophyll-a in Pingzhai Reservoir, the measured chlorophyll-a concentration and quasi-synchronized Sentinel-2 data of Pingzhai Reservoir on November 17th and 18th, 2017 were selected. The BP neural network mo...
