The environmental pollution was decreased by the reduction of caustic consumption and caustic sludge generation.
减少了碱消耗和碱渣量，因而减轻了环境污染。
Decreasing the generation and disposal amount of caustic sludge can be accomplished by adopting cleaner technologies and recycling caustic sludge.
通过采用清洁工艺和碱渣回用来减少碱渣产生量和处理量；
A catalyst was applied in the oxidation process to remove sulfides from sulfur-containing caustic sludge produced in gasoline and LPG desulfurization operations.
采用一种催化剂，用空气对汽油和液化石油气脱硫精制产生的含硫碱渣进行氧化脱硫处理。
The microbial properties of artificial soil mixed with brackish dredged sediment, caustic sludge and coal ash were studied, with coastal solonchak and Turbi-Anthric Primosol as the control.
以滨海盐土、扰动人为新成土（客土）为对照，就利用海湾泥、碱渣和粉煤灰作为城市园林绿化种植基质的土壤微生物特性进行了研究。
The microbial properties of artificial soil mixed with brackish dredged sediment, caustic sludge and coal ash were studied, with coastal solonchak and Turbi-Anthric Primosol as the control.
以滨海盐土、扰动人为新成土（客土）为对照，就利用海湾泥、碱渣和粉煤灰作为城市园林绿化种植基质的土壤微生物特性进行了研究。
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