四川规模猪场产排污系数测定.pdfVIP

10 Ch ina B iog as 2010, 28( 4) 何志平, 曾 凯, 李正确, 吕学斌 (, 610066) : , , , C D/TN /TP/ / , , 0. 450. 79 1. 01 kg, 1. 653. 47 5. 60 kg, , 62. 13% ~ 68. 16%, 65. 27% ; , 2. 68%, 2. 38%, 55. 91%; pH 6. 88~ 7. 41, C D, , 24, 18, : ; ; : X7 : B : 1000- 1166( 2010) 04- 0010- 05 M easurementofPollutantsProducing andDischarging Coefficienton Large ScalePig Farms in Sichuan / HE Zhi ping, ZENG a,i LI Zhengque, LV Xuebin / (Sichuan Academy ofAnimal Science, Chengdu 610066, China) Abstract: A typical large scale pig farm located nearChengduwas chosen to explore the amounts ofpollutantem issions and discharge regularity of the main pollutants on large scale pig farms in Sichuan province. M onitoringswere made in different pig stages, namely nursling piglets, fattening pigs and breeding sow s. The monitoring items included the amount of feces, urine and the contents ofC D, TN, TP, copper, zinc and other pollutants. The results showed that the pig dung output for piglets, fattening pig and sow s per head per daywere 0. 45, 0. 79 and 1. 01 kg respectively, and urine outputwere 1. 65, 3. 47 and 5. 60 kg respectively. Thewater contentof solid dungwasbasically the same for differentpig stages, varying from 62. 13% ~ 68. 16% w ith an averagewater content of 65. 27%. The content of totalnitrogen, total phosphorus, organic matter for pig dung were consistentwith average value of 2. 68%, 2. 38%, 55. 91% respectively. The pH value of urine for different stage pigswere between 6. 88~ 7. 41. The urine C D, ammonia nitrogen, Kjeldahlnitrogen for fattening pigs was relatively lower, followed by sow s and piglets. Based on these data, 24 producing coefficients and 18 discharging coef ficients formain pollutantswere proposed, whichwillhelp to build the p