CYANIDE in WATER and SOIL: Chemistry, Risk, and Management - Chapter 1 ppt

... 6 1. 7 Cyanide: Chemistry, Risk, and Management 10 1. 8 Cyanide Regulations 11 1. 9 Cyanide Treatment Technology 11 1. 10 Summary and Conclusions 12 References 12 Cyanide compounds are produced and ... 19 83–20 01 Production, Year 10 3 tons/yr 20 01 750 2000 765 19 99 745 19 98 725 19 97 710 19 96 695 19 95 675 19 94 645 19 93 600 19 92 570 19 91 56...

Ngày tải lên: 11/08/2014, 20:20

... occurring aqueous, gaseous, and solid forms of cyanide is provided in Chapter 5. cyanide species that occur in the aqueous, solid, and gas phases are indicated in Figure 2 .1. 16 Cyanide in Water and ... produce cyanide as a by-product include chemical manufacturing, iron and steel making, petroleum refining, and aluminum smelting. An example of a past industry t...

Ngày tải lên: 11/08/2014, 20:20

... Cyanide in the United States, 19 83–20 01 Production a , Year 10 3 tons/yr 20 01 750 2000 765 19 99 745 19 98 725 19 97 710 19 96 695 19 95 675 19 94 645 19 93 600 19 92 570 19 91 565 19 90 585 19 89 565 19 88 ... 279, 19 99. 18 . Patterson, J.W., Cyanide, in Industrial Wastewater Treatment Technology, Butterworth, Boston, 19 85, p. 11 5. 19 . Hopkins, S.J., Spec...

Ngày tải lên: 11/08/2014, 20:20

... in water and soil are outlined in Chapter 2 and examined in more detail here. In cyanide (see Chapters 13 and 14 ). The pK Figure 5 .1 shows the distribution of HCN and CN 90 Cyanide in Water and ... Properties and Reactivity of Cyanide in Water and Soil David A. Dzombak, Rajat S. Ghosh, and Thomas C. Young CONTENTS 5 .1 Free Cyanide 58 5 .1. 1...

Ngày tải lên: 11/08/2014, 20:20

... risks to wildlife (Chapter 17 ). 290 Cyanide in Water and Soil 0.0 01 0. 01 0 .1 1 10 10 0 mg CN/kg BW 10 20 30 40 50 60 70 80 90 Cumulative percent 0 10 0 FIGURE 15 .1 Toxicity of cyanide to mammals ... [2; and Chapter 25]. Chemical forms of cyanide in the envir- nitriles, and organic cyanides (Chapter 2). and HCN [9; and Chapter 5]. cyanide analytic...

Ngày tải lên: 11/08/2014, 20:20

... (30-day average) 17 00 µg/l ( 1- day max); 360 µg/l (30-day average) 0 .10 lbs /10 00 lbs of product ( 1- day max) 0.0 21 lbs /10 00 lbs of product (30-day average) 0 .10 lbs /10 00 lbs of product ( 1- day max) 0.0 21 lbs /10 00 ... contaminant. In this section, some regulatory standards and guidelines that have been developed in selected industrial countries for cyanide in wate...

Ngày tải lên: 11/08/2014, 20:20

... 387 19 .1. 1 Waste Characteristics 389 19 .1. 2 Cyanide Content of the Waste 389 19 .1. 3 Waste Matrix 389 19 .1. 4 Other Constituents of Concern 390 19 .1. 5 Treated Waste Quality Requirement 390 19 .1. 6 ... subsequent chapters (Chapters 20 to 27). have been extensively evaluated but not used in commercial practice. Table 19 .1 presents a list of 388 Cyanide in Water and...

Ngày tải lên: 11/08/2014, 20:20

... 710 , 19 91. 11 . Wedl, D.J. and Dfaulk, R.J., Cyanide destruction in plating sludges by hot alkaline chlorination, Metal Finish., 89, 33, 19 91. 12 . Patterson, J.W., Cyanide, in Industrial Wastewater ... Treatment Tailings flow 11 00 m 3 /h 11 00 m 3 /h Solids content 45% 45% pH 10 .5 11 .0 10 .2 10 .8 Free cyanide 50 10 0 mg/l Undetectable WAD cyanide 90–200 mg/l <0....

Ngày tải lên: 11/08/2014, 20:20

... NY 10 016 , U.S.A. tel: 21 2-6 9 6-9 000; fax: 21 2-6 8 5-4 540 Distribution and Customer Service Marcel Dekker, Inc., Cimarron Road, Monticello, New York 12 7 01, U.S.A. tel: 80 0-2 2 8 -1 16 0; fax: 84 5-7 9 6 -1 772 Eastern ... 4, Postfach 812 , CH-40 01 Basel, Switzerland tel: 4 1- 6 1- 2 6 0-6 300; fax: 4 1- 6 1- 2 6 0-6 333 World Wide Web http://www.dekker....

Ngày tải lên: 11/08/2014, 12:21

Ngày tải lên: 02/07/2014, 20:20