隐士
发表于 2025-3-23 10:19:54
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保全
发表于 2025-3-23 17:54:32
Soaps and Detergents,easers, bathroom cleaners, toilet cleaners, glass cleaners, among others. Information on ingredients used in detergents’ manufacture, namely, surfactants and builders (e.g. phosphates, silicates, zeolites etc.) as well as additives that are added to improve the performance such as softeners, enzymes
Nebulous
发表于 2025-3-23 20:44:24
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Neolithic
发表于 2025-3-23 22:27:27
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indigenous
发表于 2025-3-24 03:03:16
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Junction
发表于 2025-3-24 08:46:31
Cement and Clay Products Technology,d to manufacture refractory materials have been presented in this chapter, namely the mold and burn process, electric fusion process and ceramic fiber formation process. There are safety and environmental concerns associated with the production and use of cement such as noise pollution, emissions of
震惊
发表于 2025-3-24 11:13:43
Pulp and Paper Technology,their uses, raw materials and their manufacturing processes. Pulp and paper mills have adverse effects on the environment such as depletion of forest covers, and chemical pollution caused by liquid effluent discharges, solid wastes and air emissions from particulates, H.S, NO., SO.. These have been
N防腐剂
发表于 2025-3-24 17:48:46
Manufacture of Crude Palm Oil and Refined Palm Oil,or alkali refining and physical refining methods. Either of these is followed by fractionation as a final purification process to separate the oil into stearin and olein components. The composition and characterization of palm oil and the manufacturing of CPO and RPO have been covered comprehensivel
Surgeon
发表于 2025-3-24 21:25:27
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水獭
发表于 2025-3-24 23:34:07
Crude Oil Refinery and Refinery Products,raction (e.g. kerosene, lubrication oil, light gas oil, diesel oil, etc.); and heavy fraction or bottom residue (e.g. asphalt and bitumen, waxes, etc.). The intermediate distillates can be altered using catalytic reforming to produce new compounds. The refinery plants generate a lot of waste which m