3 High Effective to Remove Nitrogen Process in Abattoir Wastewater Treatment

Thecommonmethodsfordisposalofbloodbymeatprocessorsarerendering,landapplication,compostingandtransfertoawastewatertreatmentplant.IntheUnitedStates(US),thefederalgovernmentprovidesguidancewhilestategovernmentsregulatecompostingandlandapplication.Renderingis ......（本文共 8477 字 ）     [閱讀本文] >>