author: great britain royal commission on sewage disposal
Report of the Commissioners Appointed in 1898 to Inquire and Report what Methods of Treating and Disposing of Sewage (including Any Liquid from Any Factory Or Manufacturing Process) May Properly be Adopted
... lab- oratory , and , if these were encouraging , to undertake some further precipitation ( and possibly filtration ) experiments on a larger scale out of doors . The laboratory ... precipitation liquor from direct precipitation 101.
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