Results 11 to 20 of about 522,089 (299)

Preparation and hydration mechanism of aluminum formate/aluminum sulfate based alkali-free composite accelerator for sprayed concrete

open access: yesMaterials Research Express, 2022
The high alkali content of alkaline accelerators has a negative influence on the late strength and durability of concrete. Further, their corrosive nature is harmful to the skin of construction personnel, posing safety concerns.
Ying Wei   +4 more
doaj   +2 more sources

Effect of Aluminum Sulfate and Succinic Acid on the Growth Law of α-Calcium Sulfate Hemihydrate under Microwave Irradiation

open access: yesAdvances in Materials Science and Engineering, 2021
The existing α-hemihydrate gypsum preparation process has low production efficiency and high energy consumption. In this paper, α-type hemihydrate gypsum was prepared by microwave irradiation using phosphogypsum as the raw material, calcium chloride ...
Yan Feng, Rongxin Guo, Zhiwei Lin
doaj   +2 more sources

Produce low-CO2 sustainable cement–slag binder incorporating aluminum sulfate

open access: yesDevelopments in the Built Environment
Using slag to produce low-carbon building materials is a sustainable strategy to recycle industrial byproducts. However, with a high clinker substitution rate, the delayed early strength development of slag–cement binders severely limits their ...
Yi-Sheng Wang   +4 more
doaj   +2 more sources

Evaluation of Natural and Chemical Coagulants Performance in Treatment of Municipal Wastewater of Behshahr City [PDF]

open access: yesAvicenna Journal of Environmental Health Engineering, 2021
Municipal wastewater is one of the largest volumes of wastewater which contains various organic compounds from proteins and fats to carbohydrates and nucleic acids.
Sakineh Tabaki, Fatemeh Ardestani
doaj   +1 more source

The Effect of Different Frying Methods and the Addition of Potassium Aluminum Sulfate on Sensory Properties, Acrylamide, and Oil Content of Fried Bread (Youtiao)

open access: yesApplied Sciences, 2021
This study aims to compare traditional, vacuum, and electrostatic frying methods on the mitigation of acrylamide formation, and oil content with and without potassium aluminum sulfate in youtiao. The results obtained showed that the addition of potassium
Yung-Shin Shyu   +3 more
doaj   +1 more source

Evaluation of Wastewater Coagulation/Flocculation with Chitosan from Shrimp Exoskeletons Waste and Aluminum Sulfate

open access: yesTerra Latinoamericana, 2023
Intensive use of water, growing cities, and lack of wastewater treatment are some factors increasing hydric stress worldwide. Coagulation/flocculation is one of the preferred treatments for wastewater.
Israel Labastida-Núñez   +4 more
doaj   +1 more source

On the crucial influence of some supporting electrolytes during electrocoagulation in the presence of aluminum electrodes [PDF]

open access: yes, 2009
The influence of some supporting electrolytes on aluminum electrode oxidation and pH variation during electrocoagulation of an unskimmed milk sample and a cutting oil emulsion has been investigated.
Trompette, Jean-Luc, Vergnes, Hugues
core   +1 more source

MONITORING OF AMMONIA IN ROSETTA BRANCH

open access: yesJournal of Environmental Science, 2016
Rosetta branch is a source of fresh water for domestic, agriculture, industry, fisheries and recreation purposes for some western Delta governorates in Egypt. Unfortunately this branch is impacted by increasing concentrations of ammonia resulted from the
Abdullah, N. A   +2 more
doaj   +1 more source

Efficacy of two natural tannins-based polymers in contrast to aluminum sulfate for drinking water production

open access: yesCleaner Engineering and Technology, 2021
The rapid population growth requires significantly increase of the water treatment rates with high efficiencies, larger amounts of aluminum sulfate, and higher volumes of both sludge and filter backwash water and increased of the treatment costs.
Felipe Oliveira Schmitt   +2 more
doaj   +1 more source

Reactivity of aluminum sulfate and silica in molten alkalimetal sulfates in order to prepare mullite [PDF]

open access: yes, 2004
With the aim of preparing mullite, reactions between aluminum sulfate and silica in appropriate proportions and molten sulfate media M2SO4 (M=Na and/or K) were performed at different temperatures.
Durand, B.   +13 more
core   +1 more source

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