Early in 2006, Secco management had proposed to follow up the product energy consumption by each plant, find the gap by comparing with the same industry in China and set up the objectives.

2006年初，公司领导提出建立各装置产品能耗要跟踪分析，与国内同行业对比，找差距、定目标。

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Pressure change was decreased by one third, thus product quality was enhanced not renewing the plant equipment.

压力的变化是减少了三分之一，从而提高产品质量是不延续的工厂设备。

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Useful drugs are made from inorganic substances or are plant and animal by-product.

有用的药物是由无机物质制成的，或者是植物和动物的副产品。

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United Utilities is converting a by-product of waste water at its Blackburn plant into gas.

BBC: United Utilities turns human waste to energy at plant

For the past 18 months engineers have been testing coal, petroleum coke (a refining by-product) and other fuels in the plant, tinkering with the catalyst and gathering data.

FORBES: Magazine Article

The by-product of the spent grain also helps power the plant.

CNN: Brewing giant Carlsberg's sustainability drive pays off