نتایج جستجو برای: raw clay

تعداد نتایج: 78203  

Journal: :Buildings 2022

Clay paving blocks made of natural, environmentally friendly materials have their own originality and colorful authenticity, but due to the complex technological production process, they are also relatively expensive products; therefore, environmental resistance properties strictly defined controlled by standards. The physical mechanical clay key factors aiming ensure longevity products long-te...

Journal: :IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 2019

Shape selective xylene production is very important in the polymer industry because of its extensive use as raw material for monomer preparation. The acidity associated with the Lewis and Broensted centers present in the pillars interlayered clay and its textural properties allows good catalytic activity and shape selectivity toward p-xylene production. So, in the present study, ultrasonic and ...

Journal: :E3S web of conferences 2021

Bayat Ceramic Home Industry in Klaten, Central Java, Indonesia is produced from three primary locations of Melikan, Paseban, and Ndolon. The clay-sources the ceramic were mined surrounding areas, which geologically named Jiwo Hills. Characterization identification clay material sources products these areas done to understand correlation between provenance production processes. This paper presen...

Journal: :Sustainability 2021

Clay has a low environmental impact and can develop into many different products. The research presents two case studies. In the first, clay is binder of raw earth doughs in order to produce clay-bricks. We investigate effects natural fibrous reinforcements (rice straws basalt fibers) four mixtures. From comparison with mix without reinforcements, it possible affirm that 0.40% fibers reduce shr...

2011
Chi-Chang Lu Po-Hsien Lin

This study is based on the Shihmen Reservoir silt, where the largest quantity of silt is deposited and is located right next to the National Taiwan University of Art, and with combinations of other simple components, like various kinds of clay, plant ashes or other raw materials, to produce quality glazes that can perform artistic charm and give great additional values. The development of the n...

مهدوی آکردی, مهدی, رقیمی, مصطفی , شمعانیان, غلامحسین , قلی پور, محسن ,

Portland cement could be produced by heating the raw materials (clay, limestone) about 1500°C which clinker will be formed. Geochemical and mineralogical studies of clinker, Portland cement, cement kiln dust and cement mill dust have been carried out by optical microscopy, X-ray diffraction and X-ray florescence. In phase system diagram (CaO-Al2O3-SiO2), chemical components of clinker cement oc...

2008
Paula López-Arce Javier Garcia-Guinea Mercedes Gracia Joaquín Obis

Two different types of ancient bricks (XII-XIVth centuries) collected from historical buildings of Toledo (Spain) were characterized by Optical Microscopy, SEM/EDS, Electron microprobe, XRD, DTA and Fe-Mössbauer spectroscopy. Physical properties such as water absorption and suction, porosity, density and compression strength were also determined. Several minerals found in the brick matrix, such...

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