Document LKJe4KLYq6D3a35yngM1LL713

0000-NLI-000014756 ! 0000-NLI-000014757 00O0-NLI-00O0I4758 However, spent acids, shouldb^practically free nitric acid to prevent excessive corrosion of the IcaJ^ vapor lines and condenser. . : Chamber Acid -Plants--Sulphuric acid man turedr by the .-standard-lead'chamber process has a density of from 56 to 58 Be., and therefore requires further concentration to. 66; Be. This work can be done economically under vacuum, as the fuel 'con sumption is-low and-theiloss of acid very small com- pared with losses usually..encountered in the old-fash- loned pan andtbe'qch or-tower system. ' TJuder normal^ondition^^$he 56 acid, can be con centrated to.,66- Be, at a; total cost of from $1 to $1.50 per ton of 66.acjd.-^ ^. . ' High Concentration--Chamber acid and clean spent acid can be concentrated in ur Super Vacuum Type Concentrators ;to'.an acidity of 95% or 96%. HsSO* at very reasonable, qostand with extremely low loss. ;v.# .-.v. v SEPARATIN^PIANTS^FOR SLUDGE ACID ... We are prepa:red-lto'id,esign and furnish-complete plants for the- separafcon^ofesludge acid; where nec essary. yreralso.'4)m|d,;specuU:^quipment for the.com-plete.'ab^orption^Qf*alhfum^and odors coming-from separating pla * *<< -tors:4orit anip containing?! 3RS. : iqubje effect evaporaolutioris of sulphuric c^lphuric acidisolutions ' oiyiron sulphate. ______ .rn~m s. gVplan A..l '" Atlantic Ren^^^rompany...................... :v.. 4 Bethlehem Steel Company.................... 1 Empire Refineries................ 3 Gulf Refining Company................................. 19 Houston Oil & Refining Co.-........................ 1. Indian Refining Company.................... 3 Lincoln Oil Refining Co............................... . 1 Marland Refining Company............................ 3 Pure Oil Company...i...... ............................ 4 Roxana Petroleum Corp.................. ;2 Sharpies Solvents Corp.:........ '....... 1 Simon Carves, Ltd............................................ 1 Sinclair Refining Co......... ........;_____ ____ 1 Standard Oil Co. of Indiana....................... 2 Standard Oil Co. of N. J.................. . '5 Standard Oil Co. of Ohio'........ .................... 2 The Texas Company......................... 2 Union Oil Company of Cal...................... 2 Utah Oil Refining Co........ ............................` 1 * Vacuum Oil Company..................... A...... 10 Spent Acid Concentrators Canadian Copper Refiners, Ltd.......... ........... T Canadian Industries, Ltd........ ........................ 1 Carbide & Carbon Chemicals Corp........ 2 Davison Chemical Cb. 1 E. I. DuPont de Nemours Co........ ........13 Grasselli Powder Company..:.,... i1 Hercules Powder Company........ .... . 1 Nichols Copper Company .7,....... 1 , Titanium Pigment Co."... . A.......... ,...1 4 Tubize Artificial Silk Co~ of America...... 5 Westvaco Chlorine Products, Inc........... .. 1 Chamber Acid Concentrator : Hard Chemical.Works..................... 1 Sludge Acid Separating Plants ` Cities Sen-ice Refining Co........................... Lincoln Oil Refining Co............ ........... ;... Shell Company of Cal.................................... ' 1 1 2 The above installations represent a combined daily- capacity of over 3000 tons of finished acid and 900 barrels of sludge. Eleven of these installations are of the SUPER. VACUUM.type. . .TYPES D QOnOEXlEATOES' .: . INQUIRIES . /, . The .National Lead. Company has. 'the .exclusive rights to build and sell concentrating plants and give ^licenses for the;Simonspn-Mantius Vacuum Process. Inquiries should be directed to. the" National 'Lead Company, Acid Recovery Department, 111 Broadway, New Yprk. oooo-ivu-000014759