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23 Results Found

  • Article
  • Open Access
6 Citations
3,192 Views
13 Pages

4 November 2022

Red mud desulfurization is an environmentally friendly desulfurization technology. After desulfurization, the acidity of red mud slurry continues to be neutralized for processing new red mud, and no waste acid is generated. At present, there is a lac...

  • Article
  • Open Access
32 Citations
5,172 Views
13 Pages

Catalytic Efficiency of Red Mud for the Degradation of Olive Mill Wastewater through Heterogeneous Fenton’s Process

  • Eva Domingues,
  • Nelson Assunção,
  • João Gomes,
  • Daniela V. Lopes,
  • Jorge R. Frade,
  • Margarida J. Quina,
  • Rosa M. Quinta-Ferreira and
  • Rui C. Martins

6 June 2019

Olive mill wastewater is a challenging effluent, especially due to its toxicity related to the presence of phenolic compounds. Fenton’s process was analysed on the abatement of phenolic acids typically found in this kind of effluents. To overco...

  • Review
  • Open Access
12 Citations
3,011 Views
22 Pages

24 June 2023

Sugarcane is a lignocellulosic crop which is used to produce sugar in sugarcane processing industries. Globally, sugarcane processing industries generate solid and liquid wastes amounting to more than 279 million tons per annum and by-products; namel...

  • Article
  • Open Access
13 Citations
5,145 Views
31 Pages

Value Proposition of Different Methods for Utilisation of Sugarcane Wastes

  • Ihsan Hamawand,
  • Wilton da Silva,
  • Saman Seneweera and
  • Jochen Bundschuh

2 September 2021

There are four main waste products produced during the harvesting and milling process of sugarcane: cane trash, molasses, bagasse and mill mud–boiler ash mixture. This study investigates the value proposition of different techniques currently not bei...

  • Review
  • Open Access
42 Citations
11,373 Views
20 Pages

28 March 2020

Kraft pulp mills produce the main raw material for paper, while several waste products are generated in large quantities in the process. This review study addresses four of the main inorganic wastes formed by this industry, namely green liquor dregs...

  • Article
  • Open Access
15 Citations
5,159 Views
17 Pages

20 June 2020

Biosurfactants are one of the microbial bioproducts that are in most demand from microbial-enhanced oil recovery (MEOR). The production of biosurfactant is still a relatively high cost. Therefore, this study aims to reduce production costs by utilizi...

  • Article
  • Open Access
32 Citations
8,490 Views
11 Pages

Utilization of Lime Mud Waste from Paper Mills for Efficient Phosphorus Removal

  • Hong Ha Thi Vu,
  • Mohd Danish Khan,
  • Ramakrishna Chilakala,
  • Tuan Quang Lai,
  • Thriveni Thenepalli,
  • Ji Whan Ahn,
  • Dong Un Park and
  • Jeongyun Kim

13 March 2019

In this study, we utilized lime mud waste from paper mills to synthesize calcium hydroxide (Ca(OH)2) nanoparticles (NPs) and investigate their application for the removal of phosphorus from aqueous solution. The NPs, composed of green portlandite wit...

  • Article
  • Open Access
13 Citations
3,406 Views
16 Pages

Alkali Recovery of Bauxite Residue by Calcification

  • Wanzhang Yang,
  • Wenhui Ma,
  • Pengfei Li,
  • Zhanwei Liu and
  • Hengwei Yan

17 May 2022

Bauxite residue (red mud) generated during alumina production is a highly alkaline solid waste. The red mud is mainly stored on land, but it can cause harm to the surrounding environment and human health. The transformation of red mud into soil is a...

  • Article
  • Open Access
9 Citations
5,630 Views
16 Pages

High Levels of Policosanols and Phytosterols from Sugar Mill Waste by Subcritical Liquefied Dimethyl Ether

  • Sudthida Kamchonemenukool,
  • Chi-Tang Ho,
  • Panatpong Boonnoun,
  • Shiming Li,
  • Min-Hsiung Pan,
  • Wannaporn Klangpetch and
  • Monthana Weerawatanakorn

20 September 2022

Extracting nutraceuticals with high value from bagasse, filter mud, and sugarcane leaves discarded as sugar mill by-products, is crucial for the development of a sustainable bio-economy. These by-products are important sources of policosanols and phy...

  • Article
  • Open Access
22 Citations
5,007 Views
11 Pages

18 May 2021

In this study, CaO-containing wastes from pulp and paper industries such as fly ash (FA) and calcined lime mud (LM) were utilized to neutralize and purify acidic wastewaters from the pickling processes in steel mills. The investigations were conducte...

  • Article
  • Open Access
552 Views
36 Pages

7 February 2026

Severe fluid loss in fractured, depleted reservoirs usually defeat conventional water-based drilling fluids (WBDFs), and rigid lost-circulation materials (LCMs) struggle to form durable, conformal seals. We report an eco-oriented colloidal gas aphron...

  • Feature Paper
  • Article
  • Open Access
2 Citations
4,839 Views
9 Pages

17 June 2022

Semi-autogenous (SAG) mills are widely used grinding equipment, but some ore with critical particle sizes cannot be effectively processed by SAG mills and turned into pebbles. This research aims to analyze and compare the properties of raw ore and pe...

  • Article
  • Open Access
1 Citations
2,455 Views
16 Pages

Sizing a System for Treating Effluents from the Mozambique Sugar Cane Company

  • Paulino Muguirrima,
  • Nicolau Chirinza,
  • Federico A. Leon Zerpa,
  • Sebastian Ovidio Perez Baez and
  • Carlos Alberto Mendieta Pino

25 September 2024

The sugar industry must be managed in a manner that encourages innovation with regard to the waste generated throughout the process. The organic load of sugar mill waste is high, as is its potential to pollute water bodies at various stages of the pr...

  • Article
  • Open Access
19 Citations
8,535 Views
17 Pages

Mapping Changes in a Recovering Mine Site with Hyperspectral Airborne HyMap Imagery (Sotiel, SW Spain)

  • Jorge Buzzi,
  • Asunción Riaza,
  • Eduardo García-Meléndez,
  • Sebastian Weide and
  • Martin Bachmann

16 April 2014

Hyperspectral high spatial resolution HyMap data are used to map mine waste from massive sulfide ore deposits, mostly abandoned, on the Iberian Pyrite Belt (southwest Spain). Mine dams, mill tailings and mine dumps in variable states of pyrite oxidat...

  • Article
  • Open Access
20 Citations
5,196 Views
19 Pages

27 October 2021

Wastewaters from the olive oil industry are a regional environmental problem. Their phenolic content provides inherent toxicity, which reduces the treatment potential of conventional biological systems. In this study, Sulfate Radical based Advanced O...

  • Feature Paper
  • Article
  • Open Access
798 Views
23 Pages

Developing New Water-Based Drilling Fluid Additives for Mitigating Filtration Loss at High Pressure and High Temperature

  • Sachitha Sulakshana,
  • Foad Faraji,
  • Hossein Habibi,
  • David J. Hughes,
  • Mardin Abdalqadir and
  • Jagar A. Ali

7 January 2026

Sustainable oil and gas development demands eco-friendly and cost-effective drilling fluids. Water-based drilling fluids (WBDFs) are preferred over oil-based alternatives for their lower environmental impact, but they often suffer from excessive flui...

  • Article
  • Open Access
7 Citations
3,739 Views
28 Pages

Feasibility Study of Biodegradable Vegetable Peels as Sustainable Fluid Loss Additives in Water-Based Drilling Fluids

  • Olajide Ibrahim Oladipo,
  • Foad Faraji,
  • Hossein Habibi,
  • Mardin Abdalqadir,
  • Jagar A. Ali and
  • Perk Lin Chong

1 March 2025

Drilling fluids are vital in oil and gas well operations, ensuring borehole stability, cutting removal, and pressure control. However, fluid loss into formations during drilling can compromise formation integrity, alter permeability, and risk groundw...

  • Article
  • Open Access
3 Citations
2,356 Views
13 Pages

Combined paper mill biosolids (PB) and forest-derived liming by-products improve soil properties, but their residual effects following several years of application have hardly been investigated. A 13-year (2009–2021) field study was initiated a...

  • Article
  • Open Access
12 Citations
3,383 Views
16 Pages

14 September 2021

At present, the world is committed to the development of environmentally friendly, sustainable and industrial safety. The effective treatment of industrial solid waste can be applied in the field of industrial safety. It is one of the ways to apply i...

  • Article
  • Open Access
241 Views
20 Pages

Impact of Barite Nanoparticles on Barite Sag in Water-Based Drilling Fluids

  • Khaled A. Fattah,
  • Salem S. Basaloom,
  • Musaed N. J. AlAwad,
  • Faisal S. Altawati and
  • Mohammed A. Almobarky

26 February 2026

Barite sag remains a persistent challenge in water-based drilling fluids, particularly in high-pressure, high-temperature and deviated wellbores where density variations can compromise well control, hole cleaning, well stability and operational safet...

  • Article
  • Open Access
5 Citations
1,741 Views
19 Pages

Production of Soft Magnetic Materials Fe-Si and Fe-Si-Al from Blends of Red Muds and Several Additives: Resources for Advanced Electrical Devices

  • Rita Khanna,
  • Yuri Konyukhov,
  • Dmitri Zinoveev,
  • Kejiang Li,
  • Nikita Maslennikov,
  • Igor Burmistrov,
  • Jumat Kargin,
  • Maksim Kravchenko and
  • Partha Sarathy Mukherjee

20 February 2025

The present study developed a novel approach for transforming red mud (RM) into soft magnetic materials (SMMs) for applications in advanced electrical devices in the form of Fe-Si and Fe-Si-Al alloys. A total of ten blends were prepared based on two...

  • Article
  • Open Access
2 Citations
1,360 Views
18 Pages

Extraction of Alumina and Alumina-Based Cermets from Iron-Lean Red Muds Using Carbothermic Reduction of Silica and Iron Oxides

  • Rita Khanna,
  • Dmitry Zinoveev,
  • Yuri Konyukhov,
  • Kejiang Li,
  • Nikita Maslennikov,
  • Igor Burmistrov,
  • Jumat Kargin,
  • Maksim Kravchenko and
  • Partha Sarathy Mukherjee

26 July 2025

A novel strategy has been developed for extracting value-added resources from iron-lean, high-alumina- and -silica-containing red muds (RMs). With little or no recycling, such RMs are generally destined for waste dumps. Detailed results are presented...

  • Article
  • Open Access
9 Citations
6,043 Views
29 Pages

Quest for an Innovative Methodology for Retrofitting Urban Built Heritage: An Assessment of Some Historic Buildings in Kano Metropolis, Nigeria

  • Danjuma Abdu Yusuf,
  • Abubakar Ahmed,
  • Jie Zhu,
  • Abdullahi M. Usman,
  • Musa S. Gajale,
  • Shihao Zhang,
  • Jiang Jialong,
  • Jamila U. Hussain,
  • Abdullahi T. Zakari and
  • Abdulfatah Abdu Yusuf

Historical buildings have inhabited every epoch of history. Some of these built legacies are now in ruins and dying whilst others are somewhat undamaged. Knowledge of conservation techniques available today has allowed us to understand more innovativ...