نتایج جستجو برای: cement industry

تعداد نتایج: 218274  

Journal: :international journal of environmental research 2014
a. arshad i. shahid u.h.c. anwar m.n. baig s. khan

the marble slurry wastes (msw) produced by marble industry is left unattended in theenvironment which causes serious environmental problems. in order to evaluate its potential usage in normal1:2:4 concrete, this study was designed, where the partial replacement of cement with msw was examined.replacement of cement with msw from 0 to 100%, and also its usage as an additive material 10% and 20% b...

2007
F. A. Ansari V. Bihari S. K. Rastogi M. Ashquin I. Ahmad

About 673 small-scale asbestos mining and milling facilities and 33 large - scale asbestos manufacturing plants, (17 asbestos-cement product manufacturing plants and 16 other than asbestos-cement product plants) are situated in India. The present study reveals the exposure of commercial asbestos (chrysotile) in the occupational as well as ambient air environment of the asbestos-cement (AC) shee...

2008
V. K. Batra P. K. Mittal Kamal Kumar

The cost optimisation in production starts right at the system design stage. An efficient system design calls for certain typical decisions to be made during the conceptual stage of development of the plant technical concept. The type of decisions shall depend upon the availability of the sub-systems, investment cost, cost of operation covering maintenance, manpower and energy (fuel and power)....

1998
C. A. Hendriks D. de Jager K. Blok P. Riemer

5% of global carbon dioxide emissions originates from cement production. About half of it from calcination and half of combustion processes. A wide range of options exists to reduce CO 2 emissions considerably.

This paper tends to investigate the performance of a separator cyclone used in cement industries in Iran. This investigation was performed using CFD modeling, which is validated by other valid studies. Separator cyclone performance includes of two important parameters as pressure drop and collection ratio. In this presented study, the pressure drop has been considered to assess the performance ...

2006
S. R. Asthana R. K. Patil

Many years of experience in several industries have shown that the use of wastes as alternative fuels in cement plants is both ecologically and economically justified. However, there are several factors that need assessment before using alternative fuels. Further, availability and cost are important factors too. Along with other alternative fuels, literature and case studies have revealed that ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان 1390

in iran we already use laminate tubes only in cosmetics industry. laminate tube manufacturers via using the most modern technology of the world, faced with the laminate tube market being saturated in cosmetics industry for packaging the cosmetic creams and toothpaste. but considering the great food market and therefore laminate tube features such as beautiful packaging, ease of use for the fina...

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