1．BIOGAS SECTORS IN GERMANY AND CHINA 1
CHINA'S BIOMASS ENERGY PERFORMANCE IN THE SCOPE OF THE GLOBAL DEVELOPMENT 1
B．Raninger 8
BIOGAS IN GERMANY-STATUS AND CHALLENGES FOR RESEARCH ＆ DEVELOPMENT&M. Nelles,F. Scholwin 8
BACKGROUND,STATUS AND PERSPECTIVES OF LARGE SCALE AGRICULTURAL 18
BIOGAS PLANT DEVELOPMENT IN CHINA——First results of the'Sino-German Optimization of Biomass Utilization Project'&B. Raninger,QIAN Mingyu,ZHOU Hongjun 18
2．BIOGAS POLICY AND FINANCE 29
VIEWS ON THE COMMUNICATION AND COOPERATION NEEDS IN BIOGAS SECTOR BETWEEN GERMANY AND CHINA&M. Bischoff,J. Wiese,B. Raninger 29
CHALLENGES OF THE GOVERNMENTAL SUBSIDIES FOR MEDIUM AND LARGE BIOGAS PLANTS OF INTENSIVE LIVESTOCK FARMS IN CHINA&YAN Jiong,P. Heek,LI Zeqiong,LU Hongyan 39
EFFECTIVENESS OF CHINESE POLICIES FOR ENVIRONMENTALLY SOUND AND FINANCIALLY VIABLE BIOGAS PRODUCTION&M. Gutzke 47
3．ANAEROBIC DIGESTION TECHNOLOGY 67
DEVELOPMENT OF A TWO-STAGE DRY-WET DIGESTION PROCESS FOR INDUSTRIAL APPLICATIONS&J. Grossmann,S. Otto,J. Springer 67
GARAGE-TYPE DRY ANAEROBIC FERMENTATION TECHNOLOGY FOR ORGANIC 77
FRACTION OF MUNICIPAL SOLID WASTE&LI Chao,LU Xiangyang,TIAN Yun,LIU Zhidan,SHENG Liwei,LI Jian 77
THE BIOGAS POTENTIAL AND MARKET IN CHINA&M. Dicke,T. Hunt,P. Pandey 85
INDUSTRIAL-SCALE ANAEROBIC PLUG-FLOW DRY DIGESTION-INFLUENCE OF VISCOSITY ON PROCESS CONDITIONS AND PLANT OPERATION&G. Langhans 96
4．ALTERNATIVE FEEDSTOCK AND CO-FERMENTATION 109
CO-DIGESTION OF BLUE ALGAE AND STRAW&YAO Jiangang,CHEN Zhiyuan,TAN Jing,LI Guoliang,SHI Xingrong,SUN Tingting,CAO Weizhao 109
EFFECTS OF NaOH AND HEAT PRETREATMENT ON ANAEROBIC DIGESTION OF SOLIDAGO CANADENSIS&LI Hui,WANG Zhaozhong,CHEN Xiang,SHENG Kuichuan,Rolf Kloss 115
ANAEROBIC DIGESTION OF GRASS BIOMASS&S. Oldenburg,T. Voss,M.A. Kücüker,H. Adwiraah;L. Westphal,M. Kaltsehmitt,K. Kuchta 122
CO-FERMENTATION OF BIOMASS IN GERMANY&M. Dohmann 135
METHANE POTENTIAL TEST OF FOOD WASTE CO-FERMENTATION&CAO Xia,LU YuanHua,MA GongQiang,YAN Jiong,LU Hongyan 144
RESEARCH PROGRESS OF EFFECT OF TRACE ELEMENTS ON ANAEROBIC DIGESTION OF FOOD WASTE&LANG Qianqian,ZHANG Wanqin,WU Shubiao，DONG Renjie 150
BIOGAS PRODUCTION FROM PIG CARCASSES&YAO Jiangang,HE Lian,TAN Jing 159
RESEARCH ON FACTORS INFLUENCING ACIDIFICATION DIGESTION USING VEGETABLE WASTE&GAO Yongchang,ZUO Zhuang,WU Shubiao,DONG Renjie 164
THE EFFECT OF STEAM COOKING ON ANAEROBIC DIGESTION OF RESTAURANT FOOD WASTE&FANG Ming,WU Shubiao,DONG Renjie 170
5．ANAEROBIC DIGESTION PROCESS PERFORMANCE 176
PERFORMANCE EVALUATION OF BIOGAS PLANTS IN GERMANY&B. Schumacher,El.Fischer,J. Postel,J. Daniel-Gromke,N. Rensberg,J. Liebetrau 176
BIOGAS LABORATORIES-ONE IMPORTANT STEP TOWARDS A STABLE OPERATION OF BIOGAS PLANTS&J. Clemens 187
OPERATION ＆ MAINTENANCE OF LARGE SCALE BIOGAS PLANTS-EXPERIENCES FROM DENMARK&A.S. Christensen 197
6．BIOGAS PROCESS MONITORING AND CONTROL 207
INSTRUMENTATION,CONTROL AND AUTOMATION ON BIOGAS PLANTS&J. Wiese,M. Bischoff 207
BENEFITS OF AN EFFICIENT PROCESS CONTROL SYSTEM FOR BIOGAS PLANTS&A. Scheck,R. Binder,M. Charatjan,B. Ruehl 220
ESTABLISHMENT OF PROJECT PERFORMANCE MONITORING SYSTEM FOR LARGE AND MEDIUM SCALED BIOGAS PROJECTS&LIU Xin,HE Rongyu,LI Guoshuai,WANG Bowei,CHEN Yichao 231
PROGRESS ON METHODS OF VOLATILE FATTY ACID DETERMINATION IN ANAEROBIC DIGESTION&LIU Fang,WU Shubiao,ZHANG Wanqin,PANG Changle,DONG Renjie 238
REVIEW ON THE MEASUREMENT OF ALKALINITY IN BIOGAS PROCESS&GU Wenwen,WU Shubiao,PANG Changle,DONG Renjie 247
7．BIO-METHANE 253
BIOMETHANE PRODUCTION WITH HIGHLY SELECTIVE MEMBRANES&A. Chen,W. Bao,G. Baumgarten,J. Balster,T. Perl 253
EFFICIENT BIOMETHANE PRODUCTION FROM WASTE WATER SLUDGE WITH 261
AUTOGENERATIVE HIGH PRESSURE DIGESTION&C.E. Zagt,A. Olcaytu,H. Rijnaarts 261
TECHNIQUES FOR BIOGAS UPGRADING TO PRODUCE BIOMETHANE AND ITS APPLICATIONS&JIANG Hao,WU Quangui,ZHOU Hongjun 269
ENVITHAN OFFERS ENVIRONMENTALLY FRIENDLY UPGRADING TECHNOLOGY FOR BIOGAS&R. Slotman,C. Steentjes 279
8．EFFLUENT USE AND TREATMENT 285
EUROPEAN DIGESTATE TREATMENT TECHNOLOGIES AND MANAGEMENT STRATEGIES TO CHINA'S BIOGAS INDUSTRIALIZATION REVELATION&YANG Zheng,YAN Jiong,P. Heck,LU Hongyan 285
ORGANIC RESIDUE MANAGEMENT OPTIONS IN A CHINESE PERI-URBAN REGION WITH HIGH NUTRIENT AND POLLUTANT LOADS&M. Roelcke,L. Heimann,A. Ostermann,Y. Hou,K. Müiller-Hansen,LU Hongyan,M. Knaus,J. Clemens,R. Nieder,H. Goldbach,MA Wenqi,DONG Renjie,LIU Xuejun,ZHANG Fusuo 295
DESIGNING PARADISE-RURAL ORGANIC WASTEWATER FOR BIOGAS PRODUCTION IN SUBTROPICAL AND TROPICAL AREAS,CONSIDERING LANDSCAPE ECOLOGY AND BIOSYSTEMS ENGINEERING&R. Kloss 310
CONSTRUCTED WETLANDS FOR TREATMENT OF BIOGAS PLANT EFFLUENTS&M. Blumberg 331
UTV GORE@ MEMBRANE COVER SYSTEM,AN OPTION TO PROCESS BIOGAS RESIDUES TO COMPOST&J.K.H. Schaeffe,CHEN Peizhi,ZHANG Bing 344