Article
Chemistry, Multidisciplinary
Yuqing Zhao, Hang Yang, Jianfa Sun, Yi Zhang, Shibin Xia
Summary: This study investigated the utilization of OBDCA-sp to activate PMS for pollutant removal, showing that OBDCA-sp could effectively remove HA and organic carbon, possibly through the activation of PMS by elements such as Fe(III), Co(III), and Mn(III). The results provide a novel pathway for environmental remediation using OBDCA.
Article
Environmental Sciences
Chao-qiang Wang, Ke Liu, De-ming Huang
Summary: The study found that using water-based drilling cuttings (WDC) to make concrete can optimize mix ratios, improve mechanical properties, enhance workability and compressive strength. The silica and aluminum oxide in WDC react with calcium hydroxide to form new hydration products, contributing to the formation of concrete strength. Environmental leaching tests showed that adding recycled WDC to concrete is environmentally friendly.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Energy & Fuels
Wenshi Liu, Xingyang Xiong, Yulong Zhao, Chunyan Liu, Yongbin Hou, Xunchi Pu
Summary: This study assessed the feasibility of manufacturing high-strength and low-density proppants from oil-based drilling cuttings pyrolysis residues (ODPR) and red mud (RM). The effects of ODPR and RM content on the performance of the proppants were studied, and the optimum sintering condition was determined. The study also explored the sintering mechanism based on microstructural analysis of the proppants.
Article
Construction & Building Technology
Wenshi Liu, Bo Wang, Yi Du, Liang Ma, Bo Yuan, Yaochun Hou, Xingyang Xiong
Summary: This study examines the feasibility of producing clinker and cement from pyrolysis residues of oil-based drilling cuttings (ODPR). The study investigates the effects of calcination temperature, ODPR content, and ODPR/GGBS ratio on cement performance. Additionally, it evaluates the environmental performance of clinker and cement products. The findings demonstrate that the addition of ODPR reduces calcination temperature and enhances the burnability of the raw cement meal. The physical-mechanical and chemical compositions of the cement products meet the Chinese standard for Common Portland Cement, and the environmental performance meets the corresponding Chinese standards. This study provides an effective solution for recycling ODPR in the oil and gas industry.
CONSTRUCTION AND BUILDING MATERIALS
(2023)
Article
Engineering, Environmental
Guobin Jiang, Jing Li, Liang Zhao, Tian Meng, Jinlei Yu, Hongjuan Wang, Jinyan Hu, Bingke Xu
Summary: Oil-based cuttings (OBCs) produced during shale gas exploration are classified as hazardous waste. This study demonstrates the use of surfactant-free microemulsions (SFMEs) for deoiling OBCs, achieving an oil content in the OBCs of less than 1%. The optimum conditions for cleaning OBCs with the SFME have been identified.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Engineering, Marine
Alexey Cherepovitsyn, Andrey Lebedev
Summary: The study highlights the importance of the Arctic as a potential resource for the industrial sector in the face of depleting conventional oil and gas reserves. The concept of sustainable development emphasizes the need for the circular economy in resource extraction to minimize environmental damage. This article compares two methods of drilling waste disposal and concludes that thermomechanical cleaning on site is the most effective in terms of both economy and the environment. It further evaluates the prospects and opportunities for drilling waste management in Russian offshore fields.
JOURNAL OF MARINE SCIENCE AND ENGINEERING
(2023)
Article
Engineering, Petroleum
Jiwei Wu, Jiake Pan, Hualin Wang, Lixiang Wang, Wenjin Liu, Le Zhang
Summary: The study introduces a new method and equipment based on cyclone desorption to recover oil from OBM cuttings, showing improved deoiling efficiency as processing time increased. The application of this technology is expected to lower treatment costs, enhance processing efficiency, contribute to energy development, and benefit the local environment.
Article
Environmental Sciences
Junhan Huang, Guoguang Zhao, Yibo Zhang, Zheng Wu, Quanwu Tang
Summary: The research focused on using CO2 switchable hydrophilic solvents (SHSs) to treat hazardous oil-based drilling cuttings (ODBCs), with N,N-dimethylcyclohexylamine (DMCHA) extraction significantly reducing the petroleum hydrocarbon content in ODBCs. The assessment of produced wastewater post-DMCHA extraction revealed the presence of various pollutants including chemical oxygen demand, biochemical oxygen demand, total nitrogen, total organic carbon, petroleum, phenols, naphthalene, phenanthrene, anthracene, and heavy metal ions like Cu, suggesting a pollutant migration mechanism from ODBCs to wastewater.
Article
Agricultural Engineering
Hang Yang, Yunli Liu, Guoliang Bai, Yi Zhang, Shibin Xia
Summary: The co-pyrolysis characteristics of oil-based drill cuttings (OBDC) and lees were investigated, and the effects of various factors on the pyrolysis/co-pyrolysis products were studied. The presence of a synergistic effect between OBDC and lees in the co-pyrolysis process was observed. Under optimized conditions, the petroleum content in the solid product obtained from the mixed sample met the standards, and the quality of the liquid gas product and gas product was improved. This study provides valuable insights for reducing hazardous pyrolysis substances and preventing environmental hazards.
BIOMASS & BIOENERGY
(2022)
Article
Geochemistry & Geophysics
Pengcheng Wu, Chengxu Zhong, Zhengtao Li, Zhen Zhang, Zhiyuan Wang, Weian Huang
Summary: The physicochemical mechanism of wellbore instability in complex strata was revealed through experiments and research, leading to the proposal of an enhanced plugging drilling fluid system, which greatly improves its plugging ability and performance in other aspects.
Article
Environmental Sciences
Bingxin Xie, Jihong Qin, Hui Sun, Shu Wang, Xin Li
Summary: The study found that the leached concentrations of PAHs gradually increased with prolonged leaching time, but the cumulative amount was less than 3% of the total. The leaching of PAHs was controlled by diffusion and chemical reactions. Different environmental factors had varied impacts on the leaching of PAHs.
ENVIRONMENTAL POLLUTION
(2021)
Article
Environmental Sciences
Wenshi Liu, Hui Yuan, Zhenzhen Fan, Jing Li, Lingru Sun
Summary: This study evaluated the feasibility of using water-based drilling cuttings (WDC) to prepare sintered bricks and found that incorporating waste glass and fly ash could improve the physical-mechanical performance. Under optimal preparation conditions, the WDC sintered bricks met the requirements of Chinese and ASTM standards, providing an effective solution for recycling WDC from shale gas development.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Engineering, Chemical
Jiwei Wu, Shifan Zhang, Li Zeng, Qi Nie, Liang Ma, Hualin Wang
Summary: This paper discusses a cyclone oil desorption technology, which uses the self-rotation of particles to achieve the desorption of oil phase from the pores of cuttings. The experiments show that when the particle self-rotation speed is faster than the critical self-rotation speed, the oil phase in the particle pores can be desorbed.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Review
Environmental Sciences
Deming Xiong, Chaoqiang Wang
Summary: This study investigates the chemical composition and pozzolanic activity of oil-based drilling cuttings residue (OBDCRs) and finds that high temperature calcination can activate the Si or Al components in OBDCRs, producing corresponding activity. Additionally, Ba2+ can promote the pozzolanic activity of OBDCRs, and the treated OBDCs' pozzolanic reactivity competes with that of conventional shale.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Economics
Shishir Shakya, Bingxin Li, Xiaoli Etienne
Summary: This study investigates the relationship between energy prices and drilling activities in the United States, as well as how this relationship has evolved with the shale revolution. The findings support the hypotheses that there is significant information spillover between drilling activities and energy prices, and that this information transmission has increased since the shale boom. The study also reveals that the natural gas market has become an increasingly important transmitter of information since the rise of unconventional oil and gas production.
Article
Construction & Building Technology
Qi Jiang, Wei Liu, Shaopeng Wu, Xuanwen Gou
Summary: This study analyzes the erosion mechanisms of NaCl solution on asphalt concrete and finds that NaCl solution softens asphalt and promotes the intrusion of crystalline salt into it. Salt crystallization alters the surface roughness of aggregates, resulting in a decrease in skid resistance but an improvement in compressive strength. Additionally, the concentration of NaCl solution initially has no significant impact on the mechanical performance of asphalt concrete, but its domination gradually increases with the intensification of cyclic effects.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Lili Kan, Lan-qing Dai, Ning Kong, Bin Peng, Fei Wang
Summary: This paper investigates the effect of freezing and thawing cycles on the tensile behavior of cracked ultra-high performance concrete (UHPC). The results show that long-term freezing and thawing action deteriorates the cracking strength, tensile strength, tensile strain, and strain energy of cracked UHPC. On the other hand, the action of water generally favors the development of tensile properties of UHPC. The crack distribution tends to be unsaturated under freezing and thawing environment, and the re-hydration reaction is hindered. The pore structure near the crack varies under different environments.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Xin Xiao, Jingwei Li, Qingke Meng, Xiangshan Hou, Yanhui Liu, Xujiang Wang, Wenlong Wang, Shengtao Lu, Yuzhong Li, Yanpeng Mao, Tong Li
Summary: Preparing gypsum-based self-leveling mortar (GSLM) using beta-hemihydrate gypsum and solid wastes-derived sulfoaluminate cement (WSAC) can improve the mechanical performance of the mortar, but phosphorus impurities can weaken the hydration speed and degree.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Sihang Bao, Junzhen Di, Yanrong Dong, Ziqing Gao, Qing Gu, Yuanfang Zhao, Hongyu Zhai
Summary: Tailings dam break and leakage accidents pose a threat to the safety of people in mining areas and cause severe environmental pollution. This study focuses on solidifying tailing sand using microbial induced calcite precipitation (MICP) to improve strength and fix heavy metals. The curing time of MICP bio-cemented tailings is found to significantly impact the strength of tailings, while its effect on heavy metal fixation is minimal. The optimized MICP curing time is 10 days, resulting in improved strength and cementation of tailings particles.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Ferhat Benmahiddine, Fares Bennai, Achraf Charaka, Ameur El Amine Hamami, Abdelkader Tahakourt, Rafik Belarbi
Summary: This paper studied the effects of hysteresis on the hygrothermal behavior at the building scale. Through laboratory validation and numerical simulations, it was found that hysteresis has a significant impact on the relative humidity and total heat fluxes in buildings, while it does not have a noticeable effect on temperature variations.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
You Gao, Wei He, Xiayang Zhang, De'an Sun, Pei Li
Summary: This study determined the boundary line between the swelling and compression deformation zone in lateritic clay through wetting tests, and proposed a simple bimodal SWRC model. It also found that the existing strength model underestimated the tested values in the medium to high suction range, therefore a segmented strength equation was introduced for enhanced predictions of the strength properties of lateritic clay.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Prabhath Ranjan Kumar Soda, Asheer Mogal, Kalyan Chakravarthy, Nikhil Thota, Nimish Bandaru, Sanjay Kumar Shukla, K. M. Mini
Summary: This study investigates the use of encapsulated bacteria to improve the self-healing ability of concrete. Through various tests, it is found that using 20% cement-coated alginate beads (CCAB) and 5% nanosilica (NS) can achieve optimal strength and healing. This research is significant for enhancing the durability of concrete.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Shizhe Wang, Haiping Wu, Wen Yang, Wei Wang, Zhibo Zhu, Kun Nie, Luoxin Wang, Hua Wang, Jing Wu
Summary: In this study, photothermal-heat storage concrete (PHSC) was developed with excellent photothermal conversion performance and heat storage capacity. By absorbing and storing solar energy during the day and releasing it at night, PHSC can effectively reduce energy consumption in buildings.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Robin Deb, Jialuo He, Geetika Mishra, Yaghoob (Amir) Farnam
Summary: Incorporation techniques of phase change materials in cementitious composites have a significant influence on thermal properties. This study investigated the thermal behavior of low-temperature PCM when subjected to varying temperature change rates and pore confinement inside the porous network of lightweight aggregates. The results showed that ramp rates affect the nucleation and crystallization growth process during the phase transition, and the pore structure of the aggregates affects the supercooling phenomenon and confinement pressure of the PCM.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Eduardo Ferreira, Payam Sotoudeh, Dagmar Svecova
Summary: This study investigates the fatigue behavior of concrete under different stress reversal conditions. The results indicate that stress reversal generally causes more severe damage and reduces the cycles to failure compared to tensile fatigue. Additionally, adding some level of compression contributes to the energy required for failure under stress reversal fatigue. Specimens with higher concentration of fractured aggregates achieve longer fatigue lives.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Mag Raj Gehlot, Sandeep Shrivastava
Summary: This study evaluates the compatibility relationship between plaster bonds and the substrate under an accelerated aging environment, and finds that incorporating an appropriate amount of granite cutting waste can improve the strength parameters and adhesion of the cement mortar.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Min Zhang, Qirui Luo, Mingke Deng, Shixing Zhao
Summary: This study investigated the bond behavior between carbon FRCM composites with added short fibers and concrete substrates. The effects of different factors were considered and 36 specimens were tested and discussed. The experimental results were analyzed in terms of failure mode, load-slip curve, and characteristic parameters, and the contribution of weft yarns was taken into account in the developed bondslip model.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Dengkai Liu, Hongniao Chen, Ray Kai Leung Su
Summary: The susceptibility of building stones to fire and high temperature was investigated in this study by examining their physical and mechanical properties. The results show that both compressive and tensile properties of stones are affected by temperature changes. The tensile strength is particularly sensitive to temperature changes, requiring special attention to the components subjected to tensile stress in stone buildings. Principal component analysis was used to predict the mechanical properties of stones, providing a new method for calculating the residual mechanical properties after high temperature or fire.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Joso Maria Raposo, Eduardo Cavaco, Luis Costa Neves, Eduardo Julio
Summary: This paper investigates the correlation between the friction coefficient and the surface roughness of concrete-to-concrete interfaces. Experimental tests were performed on specimens with different surface treatments, and the surface roughness parameters were analyzed and correlated with the shear strength and friction coefficient. The results showed that certain roughness parameters had a strong positive correlation with the friction coefficient, while others had little or no correlation. A novel combined roughness parameter with optimized correlation was proposed.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Chiara Riccardi, Massimo Losa
Summary: The interest in using bio materials in asphalt pavements is growing due to economic reasons and environmental benefits. This study aimed to review the use of bio extenders as additives in binders, with a focus on replacements greater than 20% of fossil binder. The properties of bio-extended binders were found to vary substantially depending on the biomass source and production process.
CONSTRUCTION AND BUILDING MATERIALS
(2024)