菏泽市畜禽粪便资源评估及肥料化与能源化利用潜力分析OA

Based on the statistical data of Heze City Statistical Yearbook 2024 and literature data,this study made statistics on livestock and poultry breeding scale and manure production in each county and district of Heze City in 2023,analyzed the regional distribution characteristics of manure resources and the load of livestock and poultry manure in each county and district,and estimated the manure fertilizer utilization potential and biogas potential.It provides reference for the utilization of aquaculture waste resources in Heze City.The results showed that in 2023,the total amount of livestock and poultry(pig equivalent)in Heze city was 11.83 million,and the manure produced was 13.8185 million tons.The potential for conver-ting fertilizer utilization into organic fertilizer is 5.6444 million tons.,and the use of livestock and poultry manure to return to the field instead of chemical fertilizer could reduce the fertilizer input by 780 million yuan.The potential of biogas pro-duction from energy utilization is 1.836 billion m3.In Heze City,the total amount of livestock and poultry manure in Caox-ian county was the largest,and the potential production of organic fertilizer and biogas was the largest,which were 3.2647 million t,1.0772 million t and 288 million m3,respectively.The load of livestock and poultry manure in Heze City was 17.78 t·hm-2,which did not exceed the maximum value of 30 t·hm-2.