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Leaching of WO3 from Sulfuric Acid Converted Product of Scheelite in NH3·H2O–(NH4)2C2O4 Solution
Due to the existence of large auxiliary material consumption, huge wastewater discharge, and high production cost in present tungsten extractive...
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An Overview of Highway Failure and Its Maintenance on Old NH-2
Full-grown transportation infrastructure is very important for social, industrial, cultural, and economic development. The main focus of this paper...
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A Novel Activated Vanadium Extraction Tailing Catalyst for NOX Removal in NH3-SCR
In this paper, the vanadium extraction tailings (VT) by sodium roasting—water leaching were used to prepare the active catalyst by activate treatment...
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Recycling of municipal sewage sludge incineration fly ash based on (NH4) 2SO4 roasting-acid leaching and filling PP matrix process
Sludge incineration is one of the most efficient sludge treatment methods. The fly ash produced by incineration must be handled further since it has...
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Carbonation of Na3VO4 Solution with CO2 for Recovery of NaHCO3 and NH4VO3: Kinetic Analysis of Carbonation Process
Owing to the high Na/V molar ratio of Na 3 VO 4 solution, traditional precipitation of vanadium will consume more H 2 SO 4 and discharge ammonia–nitrogen...
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Effect of pre-oxidation process on V2O5/AC catalyst for the selective catalytic reduction of NOx with NH3
Activated coke-based catalysts have attracted extensive attention in denitration by selective catalytic reduction by NH 3 (NH 3 -SCR), due to their...
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Directly Recovering Lead and Recycling Electrolyte via Electrolyzing Desulfurized Lead Paste with PVDF as Binder
A green, efficient, and short route for recovering metal lead from spent lead-acid batteries has a great advantage in both environmental protection...
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Starch bio-template synthesis of W-doped CeO2 catalyst for selective catalytic reduction of NOx with NH3: influence of ignition temperature
A novel tungsten-doped CeO 2 catalyst was fabricated via the sweet potato starch bio-template spread self-combustion (SSC) method to secure a high NH 3 -...
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Use of NH4Cl for activation of carbon xerogel to prepare a novel efficacious adsorbent for benzene removal from contaminated air streams in a fixed-bed column
BackgroundAmmonium chloride as an explosive salt has proved to be a prominent activation agent for adsorbents and increase the specific surface area...
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Ion exchange capacity of synthetic zeolite L: a promising way for cerium recovery
The increasing rare earth elements’ (REE) demand to meet the market request and the current political scenario show that it is essential to find good...
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Synthesis and characterization of precipitated calcium carbonate from marble waste for its application in papermaking
CaCl 2 solution and Ca(OH) 2 slurry, both prepared from marble waste (MARWAS), were carbonated with CO 2 gas in the presence of cetyltrimethylammonium...
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Preparation, characterisation and adsorption performance of KOH-modified palm fibre, platanus bark and sesame stem biochar
This study systematically explored the effect of the conditions adopted for the preparation of biochar on its adsorption performance. Palm tree...
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Short-Term Recovery of Pilot Living Shoreline Projects for Salt Marsh Habitat in New Hampshire
Over the past 6 years, the New Hampshire (NH) Department of Environmental Services has shifted its preference for shoreline stabilization from...
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Chemical characterization and source apportionment of PM2.5 in a Northeastern China city during the epidemic period
To investigate the influence of COVID-19 lockdown measures on PM 2.5 and its chemical components in Shenyang, PM 2.5 samples were continuously...
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Pollution levels and health risk assessment of potentially toxic metals of size-segregated particulate matter in rural residential areas of high lung cancer incidence in Fuyuan, China
The highest incidence and mortality rate of lung cancer in rural area of Fuyuan has been a research hotspot, and the pathogenesis is still unclear....
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Shift of major driver for chemical weathering from the natural control to human dominance since 1980s in the Taihu watershed, China
Anthropogenic acidification has become a concerned problem in the Taihu region; however, how it affected the regional weathering rate, especially at...
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Experimental demonstration of NOx reduction and ammonia slip for diesel engine SCR system
This paper investigates the characteristics of selective catalytic reduction (SCR) with a V 2 O 5 -WO 3 /TiO 2 catalyst by studying the key parameters and...
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Synthesis and characterization of an NH4CL-induced Eskanbil activated carbon (EAC) for the removal of penicillin G from contaminated water
Penicillin G (PG) is one of the most widely used antibiotics around the world. The release of PG in an aqueous solution leads to contamination of...
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Application of microalgal-ZnO-NPs for reusing polyester/cotton blended fabric wastes after modification by cellulases enzymes
Polyester/cotton (PET/C) blended fabric wastes are produced daily in huge amounts, which constitutes an economic loss and an environmental threat if...
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Microbial Cellulases and Their Characterization for Industrial Applications
Agricultural wastes being a type of lignocellulosic biomass are rich in carbon content, abundantly available and can form a sustainable feedstock for...