Vol.14 No.1 January 2003

Review Paper

Comparison of Environmental Safety Management Systems for Recycled Materials Used in General Environment
......Tomohiro Tasaki, Masahiro Osako and Shin-ichi Sakai 1 abst

Paper

Synthesis of the White Calcium Cyanamide from Shells, Egg Shells, and Chicken Bones
......Masahiro Ogawa, Kohei Yamauchi, Hisao Sugihara, Hiroyasu Nishiguchi, Tatsumi Ishihara and Yusaku Takita 10 abst

De Novo Formation of Polychlorinated Dibenzo-p-Dioxins and Polychlorinated Dibenzofurans during the Gas Cooling Process in a Solid Waste Incinerator
......Noriaki Ishibashi, Shigenobu Okajima, Yoshinobu Yoshihara, Kazuie Nishiwaki and Masakatsu Hiraoka 17 abst

Influence of the Sludge Ratio on the High-solids Thermophilic Methane Fermentation of the Organic Fraction of Municipal Solid Waste and Bio-sludge
......Yoshio Okuno, Yu-You Li, Hiroshi Sasaki, Koji Seki and Ikuo Kamigochi 27 abst

Bending Strength and Porous Structure of Carbonized Panels Made from Waste Phenol-formaldehyde Resin and Magazine Paper
......Kensuke Kawarada, Hirotaka Nakanami, Takahiko Iida, Takayuki Okayama, Toshio Waku and Arihiro Enomoto 36 abst

Drying Performance of a Thermal Jet Dryer for Solid Waste with High Water Content
......Naohito Hayashi, Hideyuki Umehara, Yoshiaki Asai and Sohei Shimada 43 abst