geotechnical properties of fresh and aged basic oxygen

Characteristics of Engineered Waste Materials Used …

2020-7-29 · Yildirim IZ, Prezzi M (2015) Geotechnical properties of fresh and aged basic oxygen furnace steel slag. Journal of Materials in Civil Engineering 27(12):1–11, DOI: https://doi /10.1061/(ASCE)MT.1943-5533.0001310

Changes in the Physicochemical Characteristics of Peanut ...

The physicochemical characteristics of the fresh and aged biochar were analyzed. The results showed that the pyrolysis ... Basic Physicochemical Properties of Soil Soil type pH Water-holding capacity ... Wuhan, China). The peanut straw biochar was pyrolyzed in oxygen-limited, low-temperature conditions (Wang et al. 2015), with the inert ...

Effects of Degradation on Geotechnical Properties of ...

2017-8-25 · Abstract In bioreactor landfills, geotechnical properties of municipal solid waste (MSW) are believed to be affected by increased moisture content and accelerated biodegra-dation due to leachate recirculation; however, studies to quantify the changes in the MSW properties are scarce. This study quantifies the change in geotechnical properties

Geotechnical Properties of Fresh and Aged Basic …

In this paper, the results of a series of tests (grain-size analysis, X-ray diffraction, specific gravity, compaction, maximum and minimum dry unit weight, direct shear, consolidated-drained triaxial compression, and long-term swelling tests) performed on samples of both fresh and aged basic oxygen furnace (BOF) steel slag from a steel plant in Indiana are presented and analyzed.

The Properties of Fresh and Aged Biochar

Important physical properties of fresh (and aged) biochars include: Bulk density and particle density, particle size, macro and microporosity, surface area, water holding capacity. The chemical, electrical and magnetic properties …

Identification of pH-dependent removal mechanisms …

2021-1-10 · Basic oxygen furnace (BOF) slags, by-products of the steel manufacturing process, can be a good option to remediate heavy metal/metalloid contamination. ... Geotechnical properties of fresh and aged basic oxygen furnace steel slag. J. Mater. Civ. Eng., 27 (2015), Article 04015046. View Record in Scopus Google Scholar. Zhou et al., 1999.

Geotechnical Engineering — Doctoral School — UPC ...

Tel.: (+34) 934 011 784. E-mail: [email protected] . Access, admission and registration. Access profile. In relation to scientific and technological areas associated with geotechnical engineering, the admission requirements for students can be summed up in three words: 1) knowledge, 2) ability and.

Publications

Yildirim, I. Z. and Prezzi, M., (2015), "Geotechnical Properties of Fresh and Aged Basic Oxygen Furnace Steel Slag", Journal of Materials in Civil Engineering, 27(12).

Geotechnical Properties of Fresh and Aged Basic …

Geotechnical Properties of Fresh and Aged Basic Oxygen Furnace Steel Slag The steelmaking industry in the United States generates 9-16 million metric tons of steel slag every year. The excess steel slag (∼15 to 40%) that is not reutilized is stockpiled in steel plants and eventually landfilled at slag …

The responses of soil organic carbon mineralization and ...

effects of fresh and aged biochar on SOC mineralization. In the present study of a two‐factorial experiment, topsoil samples from a rice paddy were laboratory‐incu-bated with and without fresh or aged biochar pyrolyzed of wheat residue and with and without crop residue‐derived dissolved organic matter (CRM) for monitoring

Biochar and applications of biochar in stormwater ...

2021-5-25 · THE PROPERTIES OF FRESH & AGED BIOCHAR; characterization and engineering; Agyarko-Mintah E, Cowie A, Singh BP, Joseph S, Van Zwieten L, Cowie A, Harden S, Smillie R.. 2017. Biochar increases nitrogen retention and lowers greenhouse gas emissions when added to composting poultry litter. Waste Manag. 61:138-149. doi: 10.1016/j.wasman.2016.11.027.

The Mode of Formation, Nature and Geotechnical ...

2015-1-27 · The Mode of Formation, Nature and Geotechnical characteristics of Black Cotton Soils - A Review *Gidigasu S. S. R and Gawu S. K. Y Department of Geological Engineering, Kwame Nkrumah University of Science and Technology, Kumasi-Ghana *Corresponding author E-mail: [email protected] Accepted 06 December 2013

The Properties of Fresh and Aged Biochar

The physical and chemical properties of biochar that has been aged in soil or compost, or passed through the gut of animals, are different from fresh biochar. The properties of aged biochars depend also on the type and properties of soil, microbial dynamics, …

Experimental Study on the Influence of Aging on …

2020-10-8 · Geogrids are widely used in foundation engineering for reinforcing foundations due to their light weight, high strength, and excellent performance. In this study, two kinds of polypropylene biaxial geogrids were used, and indoor thermal oxygen …

Nanoscale properties of lead halide perovskites by ...

2021-1-24 · 1 INTRODUCTION. Over the last decade, lead halide perovskites have attracted a tremendous interest in the research community with the focus placed primarily on light harvesting and storage applications due to their unprecedented optical and electronic properties. 1-6 These properties are reflected by long charge carrier lifetimes and diffusion lengths, high absorption cross‐sections, and …

PEG Stability: A Look at pH and Conductivity Changes …

2018-9-6 · further minimized by purging atmosphere (oxygen) from filled containers using argon. Finally, the aging of PEGs can be further minimized by storing the sealed solutions protected from light. Protein crystals can be grown in fresh PEG solutions or aged PEG solutions.

Publications

Yildirim, I. Z. and Prezzi, M., (2015), "Geotechnical Properties of Fresh and Aged Basic Oxygen Furnace Steel Slag", Journal of Materials in Civil Engineering, 27(12). [pdf]

O''Kelly B.C. and Pichan S.P. (2013) Effects of ...

2021-6-18 · fresh (intact) fibres, slightly decomposed or ultimately completely decomposed (amorphous) material. From a geotechnical perspective, an understanding of the relationship between degree of decomposition and engineering properties, including the level of compressibility, is important in dealing with such problematic deposits.

Modelling of leaching and geochemical processes in an …

2015-10-26 · and geotechnical properties in a 16 year old paved MSWI bottom ash test road in Linköping, Sweden where studied. The objectives of the project were to investigate: (i) the accumulated effects of leaching and aging and (ii) the accumulated effects of load and aging on the geotechnical properties.

Geotechnical Properties of Fresh and Aged Basic …

Fresh, B-2 Fresh, and B-2 Aged samples), prepared within 1% of the desired optimum moisture content w opt was compacted to 95 – of the standard Proctor density.

MUD ENGINEERING This chapter covers the following items

2004-12-13 · oxygen atoms ¾ Octahedral layer are sheets composed of linked octahedral, each made up of an aluminium and magnesium atom surrounded by six oxygen ¾ They linked through oxygen making three octahedra ¾ Exchangeable layers of atoms or molecules bound loosely into the structure giving the clay its physical properties

Changes in the physicochemical characteristics of …

2021-6-30 · Basic Physicochemical Properties of Soil. Biochar Preparation. The peanut straw (Rizhao, China) was used as the raw material to prepare biochar by pyrolyzation at 350 °C, 500 °C, and 650 °C. Fresh peanut straw was air-dried and ground, placed in crucibles, and put into a muffle furnace (KSY-12D-16, Longkou City Factory Furnace, Wuhan, China).

STRATEGIES TO IMPROVE THE AGING, BARRIER AND …

2007-6-5 · mass than the basic films through slow evaporation of volatiles (water/ethanol) and through migration of glycerol to the paper support. The oxygen permeability was also lower for the basic films. In the last part, the properties of new and aged glycerol-plasticized WG films at acidic and

PHYSICAL PROPERTIES OF THE LUNAR SURFACE

2012-8-24 · (those properties of a planetary surface needed to evaluate engineering problems, including the mechanical properties of soil and rock), electrical and electromagnetic properties, and the reflection and emission of radiation. The lunar surface material (regolith or "lunar soil") is a complex mixture of five basic particle types:

Investigation of the hydrothermal aging of an Mn …

Furthermore, we acquired Raman spectra of the fresh and aged SmMn 2 O 5 samples, as well as of SmMnO 3 and Mn 2 O 3, with the wavenumbers of each of the spectra ranging from 525 to 800 cm −1 ().Peaks at ∼613 cm −1 and ∼673 cm −1 acquired from the fresh sample were ascribed to the Mn–O stretching vibrations. 19 Aging the sample yielded shoulders at 604 cm −1, 630 cm −1, which ...

Zeynep Yıldırım | Civil Engineering

"Geotechnical Properties of Fresh and Aged Basic Oxygen Furnace Steel Slag." Journal of Materials in Civil Engineering, ASCE, Vol.27, 2, pp. 04015046-1-9. Yildirim, I.Z., and Prezzi, M. (2011). "Chemical, Mineralogical, and Morphological Properties of Steel Slag."

Improving oxidation stability of 2D MXenes: synthesis ...

2021-3-16 · MXene is an emerging class of 2D materials [], which is chemically synthesized from layered MAX phases immersed into acidic solutions (Fig. 1a).To date, MAX phases with the atomic structures of M 2 AX, M 3 AX 2, M 4 AX 3, and M 5 AX 4 (Fig. 1b) have been transformed into their corresponding M 2 X, M 3 X 2, M 4 X 3, and M 5 X 4 MXenes via the same wet chemical synthesis process.

Advances in nanotechnology and antibacterial …

2020-5-28 · A large number of non-biodegradable and non-renewable materials are produced daily for application as food packaging materials. These waste materials have a greatly negative effect on our health and the ecosystem. The idea of a bio-based economy is steadily gaining attention from the scientific, societal, and finan 2020 Reviews in RSC Advances

Physico-Chemical and Mechanical Characterization of …

2020-2-20 · Yildirim IZ, Prezzi M (2015) Geotechnical properties of fresh and aged basic oxygen furnace steel slag. J Mater Civ Eng 27(12):04015046. Google Scholar 13. Qi Y, Indraratna B, Heitor A, Vinod JS (2017) Effect of rubber crumbs on the cyclic behavior …

Physical and Chemical Properties of Peat

2017-1-16 · peat. Early publications on peat properties includes J.H. Pegener''s book: Teutschlands Neuentdeckte Gold-Grube, Torf (1731), which deals with peat utilization and properties. M.V. Lomonosov of Russia discussed peat properties and values in Earth''s Surface. In the 1950s and later, I.I. Lishtvan and his colleagues wrote: Basic Properties of ...

TheAntioxidantMechanismsUnderlying …

2019-7-31 · dry wt.), the total SAC content in commercial aged extracts (7.8μmole/g dry wt. after correcting for 40% excipients) is only 19%, indicating considerable manufacturing losses or the use of cloves with an unusually low content of γ-glutamylcysteines. The commercial aged products are stan-dardized on SAC content, but a specific or even minimum

The Free Radical Theory of Aging Matures | …

2019-10-29 · B. Sources of Oxidants. Ground-state diatomic oxygen (3 Σg − O 2 or more commonly, O 2), despite being a radical species and the most important oxidant in aerobic organisms, is only sparingly reactive itself due to the fact that its two unpaired electrons are located in different molecular orbitals and possess "parallel spins."As a consequence, if O 2 is simultaneously to accept two ...

Characteristics of Engineered Waste Materials Used …

2020-7-29 · Coal fly ash (FA) and basic oxygen furnace (BOF) slag are the by-products of coal combustion in power stations and steel plants, respectively. The disposal of these wastes would require landfill space and can cause environmental pollution. In order to avoid disposal, the use of FA and BOF slag as sub-base material in highway pavement was investigated.

Monica PREZZI | Professor (Full) | M.Eng.(UFRGS), M.S ...

Compaction and Shear Strength Behavior of Fresh and Aged Basic Oxygen Furnace (BOF) Steel Slag