Cement

Making concrete change: innovation in low-carbon cement and concrete

A new Chatham House report argues that significant changes in how cement and concrete are produced and used are urgently needed if we are to achieve deep cuts in emissions in line with the Paris Agreement on climate change. Making Concrete Change: Innovation in Low-carbon Cement and Concrete focuses on …

Design and development of cemented fill system: A solid waste management

Outstanding advances have been made in the technologies of using cemented fill throughout the world. The choice of a cemented fill system, its mix composition and their proportion depends on the stope geometry, strength requirement, strata condition, working condition and the economy of the mining method as a whole. The …

Steel may emerge as alternative to concrete

Steel use could save construction period and give more usable space Concrete could face competition from steel as a better alternative building material, said the JSW Steel vice-chairman and managing director, Mr Sajjan Jindal. On Monday, JSW Steel and UK-based Severfield Rowen Plc formed a 50:50 joint venture company JSW …

UltraTech Cement shops for coal mines overseas

The Aditya Birla Group is keen on acquiring coal mines to feed its cement business and is scouting for the mines in South Africa and Indonesia. "We are looking for mines.... We have just started thinking on that," UltraTech Cement President and CFO K C Birla told reporters after the …

TNPL to spend Rs 1k cr to boost capacity

T E Narasimhan State-owned Tamil Nadu Newsprint and Papers Ltd (TNPL) is planning to invest Rs 1,000 crore to expand its paper making capacity to four lakh tonnes a year from current 2.45 lakh tonnes. NPL also considering diversifying into cement manufacturing business, using waste wet lime sludge generated from …

Power, petroleum hit core sector growth

Infrastructure sector growth declined to 3.6% in April against 5.9% in the year-ago month. Core sector growth for April 2008 declined to 3.6 per cent from 5.9 per cent in the same month last year on account of a huge fall in production of petroleum refinery products and electricity. The …

Plastic digester for better biogas production

biogas plants don't function well when ambient temperatures are low and hence remain out of use for greater part of the year, in the hills for example. The plants are most efficient when the temperature of slurry

Burning waste to make cement

Aasha Khosa / New Delhi ACC uses cow dung, old shampoo, soap, paint sludge and even municipal waste in five plants. Cow dung, old shampoo, soap, paint sludge and even municipal waste are fed into furnaces that burn lime into cement at the plants of India's leading cement manufacturer, ACC. …

Export sops on cement withdrawn

India withdrew a tax benefit on the export of cement, a day after the government said producers of the building material are entitled to the incentive. The tax break allows duty-free imports of raw materials equivalent to the value of exports, under a system called the duty entitlement pass book …

Cement firms of Pakistan enter India

Cement brands like Lucky, Maple Leaf and Elephant from Pakistan are helping the construction companies in the south to check prices, albeit to a limited extent. But the companies are not sure of the supply due to weak rupee. For long it was considered that Pakistani cement will enter only …

Sea sand to replace scarce river sand

The Government has drawn attention towards utilising sea sand in place of river sand for the construction industry as a shortage prevails for river sand due to the ban on river sand mining, Construction and Engineering Services Minister Rajitha Senaratne said last week. Minister Senaratne said the Government and private …

Competition panel feels toothless

Even as the government has railed against steel and cement manufacturers for behaving like a cartel, the Competition Commission of India (CCI), the body that is supposed to take action against any abuse of market dominance, says it is in no position to do so. The issue of cartels and …

Govt to adjust costs for dev projects under compensation scheme

The interim administration has initiated a move to adjust costs of ongoing projects under a compensation scheme amid rapid increase in construction material prices which has adversely affected the ADP implementation.

Turning point? Key infrastructure industries growth accelerates

The growth rate of six of the country's key infrastructure industries' accelerated to 8.7 per cent in February against 7.6 per cent in the same month a year ago, reviving hopes that industrial production would speed up and help arrest the current economic slowdown. However, the overall growth rate of …

Performance of Indian cement industry: the competitive landscape

The cement industry is experiencing a boom on account of the overall growth of the Indian economy primarily because of increased industrial activity, flourishing real estate business, growing construction activity, and expanding investment in the infrastructure sector. The performance of the industry, under different policy regimes, truly establishes that decontrol …

Hopes build for eco-concrete

The cluster of beige corrugated-iron sheds and silos don't look like much, but this unassuming factory in a suburb of Melbourne, Australia, represents a potential revolution in greenhouse gas emissions. It's the first commercial enterprise in the world dedicated to transforming waste from power stations and blast furnaces into geopolymer …

A secondary fuels processing plant in Ajmer to cater to a neighbouring cement plant

The combination of a booming cement market in India together with constantly rising energy costs are leading to increased usage of secondary fuels in the cement industry. Tecprosystems Pvt Ltd, India, with the support of MVW Lechtenberg, Germany is now starting the construction of a secondary fuels processing plant in …

Energy efficiency improvement potential through onsite power generation in the cement industry

This article is based on extracts from a recent report published by the World Alliance for Decentralised Energy (WADE) entitled 'Concrete Energy Savings'. The WADE report establishes that significant untapped potential for onsite power in the cement industry remains despite the many benefits it offers, both to society in general …

Enhanced combustion to arrive at desired production and profitability with alternative fuels

The use of alternative fuels is beneficial to the cement industry as well as to our environment. Firing alternative fuels reduces primary fuel consumption, typically coal, and lowers operating costs for the cement plant. July-Sep 2007

The current and future role of non-hazardous waste derived solid recovered fuel (SRF) in the European waste management industry

Solid Recovered Fuel (SRF) is a solid fuel prepared from non hazardous waste, meeting the classification and old fuel and specification requirements of CEN-TS15359. SRF is processed, homogenized and upgraded to a quality that can be traded amongst producers and users. (July-Sep 2007)

Waste utilisation projects in Indian cement plants

In India, Grasim (an Aditya Birla Group Company) has taken the initiative to burn waste as fuel in its kilns. The company has established waste handling facilities at two units, Grasim South Cement and Vikram Cement. The company has also installed a municipal solid waste processing plant. July-Sep 2007

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