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Volume 27 - Issue 4

Apportionment and risk assessment of heavy metals in sediments of the Chaiwen River flowing through the Xinwen mining area

by wang y. Yao Q. ZHOU G.

Water treatment

The environmental quality of rivers is a comprehensive effect of the superposition of multiple sources, and distinguishing the contribution of coal mining areas to river is an important and interesting work. In order to explore the impact of heavy metal in the sediment and to distinguish the...

Coal mining area River sediment +3 more

Interaction and quantum chemical analysis between sulfamethoxazole and copper on biochar

by Zhong J. He J. Bao Y. Zhang Y. gao Y. li J. Liu L.

Water and wastewater treatment and reuse

Sulfamethoxazole (SMX) and copper (Cu) are common antibiotic and heavy metallic contaminants. They can be removed separately through biochar sorption method. However, the interaction between SMX and Cu remains an unresolved issue in the sorption process of biochar. In this paper, two biochar samples...

Biochar co-sorption +2 more

Volume 26 - Issue 8

The Bioremoval of Toxic Dyes Using Chlorella Algae in Airlift Bioreactor

by Aljuboori A. Almukhtar R. Alwasiti A.

Water and wastewater treatment and reuse

Malachite green (MG) and Crystal Violet (CV) are used mainly as dyestuff and antimicrobials in aquaculture. They have a severe toxic effect on the environment. Several techniques were used to remove impurities from an aqueous solution: chemical, physical, and electrical. Among all these techniques...

Algae bioremoval +2 more

Volume 26 - Issue 7

Phytogenic aqueous extract mediated fabrication of Ag-Fe2O3 nanohybrids for detoxification of carcinogenic Congo Red dye: An Environmental Remediation approach

by Ahmed F. Gulzar T. Kamal T. Kiran S. Ahmad I.

Water and wastewater treatment and reuse

In current study environment benign silver-iron oxide (Ag-Fe2O3) nanohybrid structures are fabricated as catalyst for CR dye decolorization. Industrial wastewater stream possesses several toxic dyes which are toxic carcinogen pollutants cause severe environmental disorders. Detoxification of Congo...

Ag-Fe2O3 Citrus limon +4 more

Enhanced visible light photocatalytic activity of SDBS/C/Nd/TiO2 synthesized by using anionic surfactant SDBS as template agent

by

Chao Li et al. View all

Water and wastewater treatment and reuse

The catalyst SDBS/C/Nd/TiO2 was synthesized by sol-gel method using TiO2 co-doped with C and Nd and anionic surfactant SDBS as template agent. The prepared photocatalysts were characterized by X-ray diffraction (XRD), scanning electron (SEM), X-ray photoelectron spectrometer (XPS) and UV-vis diffuse...

Sol-gel method Anionic surfactant +3 more

Volume 26 - Issue 5

Accessing the Potential of Bismuth Oxide Nanosheets for an incredible revelation in the removal of contamination in water bodies

by

Mohammed Kuku et al. View all

Water and wastewater treatment and reuse

Water contamination is a pressing global issue with far-reaching environmental, health, and socio-economic consequences. As the demand for clean water intensifies, researchers are exploring innovative nanomaterials to develop efficient and sustainable water treatment technologies. The Bismuth oxide...

Bi2O3 nanosheets Moringa oleifera seed +3 more

Volume 26 - Issue 2

Utilization of cement power plant beds for aerated concrete thermal blocks

by

Swaminathan S et al. View all

Water and wastewater treatment and reuse

Nowadays cement industry power plant bed wastes can be used to create aerated concrete blocks for widespread usage in the construction sector instead of sand. The optimum materials for building enclosures for a variety of uses include aerated concretes. To enhance the physical and mechanical...

Non-Autoclaved Aerated Concrete Bed Material wastes +4 more

Volume 25 - Issue 10

Preparation of mesoporous TiO2 nanomaterials doped with rare earth ions (La3+, Sm3+, Nd3+, Gd3+) and its application in the photodegradation of unsymmetrical dimethylhydrazine

by

Xianghong Ren et al. View all

Water and wastewater treatment and reuse

Methyldimethylhydrazine and its by-products cause serious damage to human health. In this paper, Re3+-doped mesoporous TiO2 were synthesized for the photodegradation of UDMH. The structure, morphology and optical properties of photocatalyst were extensively characterized. The photocatalytic...

TiO2 Degradation +1 more

Volume 25 - Issue 6

Adsorption of Co(II) ions using indigenous tamarind seed biochar: batch adsorption and modeling studies

by

Karthik Velusamy et al. View all

Water and wastewater treatment and reuse

With an estimated volume of 162 thousand metric tonnes in 2020, India is the world's largest producer of tamarind. The country is home to a number of tamarind species, and production is spread out across the country. Farmers and agro-industries continue to encounter numerous challenges in the...

Agricultural waste Tamarind seeds +5 more

The Use of multiple-soil layer bioreactors to boost decomposition of fresh leachate

by

Mochamad Arief Budihardjo et al. View all

Water and wastewater treatment and reuse

The amount of waste is increasing daily; however, the available land area is limited. This problem can be overcome by segregating waste and other alternatives by accelerating landfill stabilization using landfill bioreactors. In this study, anaerobic bioreactor A with daily use of water and the...

landfill bioreactor COD and BOD

Volume 25 - Issue 5

Concrete Constructed with Recycled Water to Experimental Analysis of the Physical Behavior of Polypropylene Aggregate (PPA)

by

K. Nirmalkumar et al. View all

Water and wastewater treatment and reuse

In concrete industry, the use of concrete solid wastes is becoming further common since it can minimize associated costs and environmental implications. The current research looks at how concrete performs when polypropylene (PP) plastic, produced from pollution garbage items, is used as a partially...

Polypropylene Aggregate Concrete +2 more

Volume 25 - Issue 1

Study on community structure and nitrogen metabolism mechanism in A2O process under different hydraulic retention time conditions at high altitude region

by

Yongchen Zong et al. View all

Water and wastewater treatment and reuse

The unique high-altitude environmental factors in the Linzhi region of Tibet have not been fully investigated in terms of their impact on the microbial mechanisms of water ecology, for which we explored the response of activated sludge microorganisms to different hydraulic retention times (HRT)...

High altitude region HRT +2 more

Volume 24 - Issue 4

Evaluation of waste water treatment technologies by combined analytical hierarchy process and grey relational analysis

by

G Sasikumar et al. View all

Water and wastewater treatment and reuse

Recycling of wastewater is an important issue as it is used for many important applications such as industries, agriculture, household applications and due to water scarcity across the different countries. Wastewater treatment is an important activity as it protects human being and the ecosystem...

Waste water treatment MCDM +3 more

Volume 24 - Issue 3

Volume 24 - Issue 2

Adsorption of Cr(Ⅵ) on Montmorillonite modified by Starch and Lanthanum

by

Kai Su et al. View all

Water and wastewater treatment and reuse

Industrial production brings serious Cr(Ⅵ) pollution problems, so as to explore new treatment methods for Cr(Ⅵ), In this paper, modified montmorillonite was prepared by modifying montmorillonite with starch and lanthanum nitrate, and its adsorption mechanism and effect on Cr(Ⅵ) were explored. The...

Montmorillonite Starch +3 more