Sulfuric acid is also a primary industrial chemical outside fertilizer manufacture.

It is an inexpensive liquid by-product of phosphate fertilizer manufacture.

Major waste products from fertilizer manufacture are calcine and so-called phosphogypsum, calcium sulphate.

The scale economies inherent in large-scale oil refining and fertilizer manufacture make possible on-site production and "captive" use.

As well as lower average energy use, organic farming also avoids the very large nitrous oxide emissions from fertilizer manufacture."

Fertilizer manufacture involves the granulation of feed from a major recycle stream with fresh liquid feed at elevated temperatures.

Examples include refineries, mineral processing plants, plastics manufacture, fertilizer manufacture, oil and gas processing etc.

Key words: phosphogypsum, acid sludge, fertilizer manufacture, water pollution, waste disposal, calcine, sulphuric acid manufacture.

Similarly, more efficient use of manures, can almost certainly reduce N2O and CH4 emissions, while reducing CO2 costs of fertilizer manufacture.

The CO not used in fertilizer manufacture will be used for enhanced oil recovery in the West Texas Permian Basin.

The cooperative provided both agricultural supply and marketing services ranging from petroleum refining, fertilizer manufacture, feeds, shipping, crop production, livestock production, and refrigerated foods sales and marketing.

Yara Belle Plaine Inc is a nitrate-based fertilizer manufacture based in Regina, Saskatchewan, Canada, and part of the Yara International group of companies.

Unfortunately, with the public sector company in financial trouble due to liberalization of the markets and consequent loss of government subsidies for fertilizer manufacture while under a regulated price regime, Ambalamedu township fell into bad times.

Hydrogen Energy California (HECA) will be a 300MW net, coal and petroleum coke-fueled IGCC polygeneration plant (producing hydrogen for both power generation and fertilizer manufacture).

In the UK, for example, agricultural-related emissions may account for approximately 40% of the overall food chain (including retail, packaging, fertilizer manufacture, and other factors), whereas greenhouse gases emitted in transport account for around 12% of overall food-chain emissions.