��湤ˇ��׼��Ⱦɫ

��r�g��2008-08-13 10:42 ��Դ��Ї�Փ��d�� : �� x��1598

��,��ˮ�w��Ⱦ��r��,��ɴˌ��ˮ�w��I�B(y��ng)��ˮ��Ⱦ��Ҫ�n�},��ǿ˷��I�B(y��ng)��P�I,��ױȻ��W��\��M�õͣ��ɶ��Ⱦ,��Ч�ʸ�,��SBRˇ��ֶ��о��ѭ�h(hu��n)׃��ą��—��湤ˇ��Alternation of Aerobic/Anaerobic Process��QAAA��ˇ��׼��g,��ʹ��ڵ��ܺ�,��ͳɱ��ėl��£��ܷ�(w��n)��Ч��,��ȥ��ЙC���û��ֱ��Ⱦɫ,��ͨ�^�@΢�R�R�z��༚��PHB,��Poly��p�Ġ�r��O(ji��n)�y��Ч��ķ��M��о�,��

1 ��—�Ú⽻�湤ˇ��ԇ�

��1.1 ��b�ã�Ҋ�D1��

��1.2 ��򞷽��

��AAA��\�пɷ֞��Mˮ,��衢��ؚ�,��,��ˮ��e��A�Σ�ͨ�^��Ʒ��r�g�ȗl��폊��׾��^��zȡ�^�̵��,��

��1.3 ��

��M��ģ�MAAA��ˇ��׼��g,��ǻ��|��Ψһ̼Դ��ڲ�̼ͬ�ױ��µČ��Y��,��Ҋ��1,��

��1��̼ͬ�ױ��ה�� mg·L^-1
��̖	ָ��	��ˮ	�� 0.0h	�� 0.5h	�� 1.0h	�� 1.5h	�� 1.0h	�� 2.0h	�� 3.0h	�� 4.0h	��ˮ
1	COD	256.5	225.1	216.0	152.3	140.7	55.7	47.4	43.0	39.4	37.8
1	PO₄^3--P	9.12	12.97	14.07	19.56	23.30	14.29	9.78	6.81	5.71	6.48
2	COD	506.0	450.8	432.5	343.7	297.1	153.7	95.6	66.5	61.7	60.5
2	PO₄^3--P	14.52	15.21	15.27	18.06	20.85	11.04	8.36	4.94	2.45	2.28
3	COD	560.8	444.0	151.0	56.7	54.3	51.1	47.6	45.6	46.0	46.0
3	PO₄^3--P	12.58	12.90	19.46	23.87	24.30	17.10	10.36	4.31	1.85	1.65
4	COD	392.7	319.5	242.4	232.2	70.3	60.5	43.4	37.8	33.3	33.0
4	PO₄^3--P	1.00	10.21	13.43	14.32	16.53	8.04	6.23	3.32	1.36	1.00

��ȡ��1�е�1��3�M��ą��D��D2,��

��ԇ�Y��,��^1.5h��׵�ጷŻ��_��,��˕rCOD��Ҳ��,��A��3��4h�ȾͿ��_��,��Ժ��Ӻ��r�g��ˮ�ם�Ȳ��ٽ��,��@�f��˕r�oՓ��ă�Դ��|߀��Դ��|��Ĵ��M,��ɴ˾C�Ͽ��]��Ч��ͽ��ָ�ˣ��_��r�g��1.5h,��r�g��4h,��

2 ��ֱ��Ⱦɫ�O(ji��n)�y�о�

��ڻ��෨�У��׾��׵��Ҫ��,��S��о��߶��l(f��)�F(xi��n)��׾��w��ܾۼ��ף�Poly��phosphate��Poly��p�;�β�u��ᣨpoly��β��h(hu��n)ydroxybutyrate��PHB��ȃ��֬�|�Ⱥ��,��ͨ��څ��l��,��z�F�ľ��u��ʧ,��PHB��u��ࡣ�ں��l��,��PHBѸ�ٜp��,��Ѹ��ӡ��l��ºϳɵ�PHBԽ��,��t��l��¾��׺ϳ��Խ��,��Ч��Խ��[1]��څ��l��,��׾��w��д��PHBѸ�ٺϳ�,��M��^(q��)�ȣ��׾��Ĵ��Ⱥ��PHB�w��Դ�C�|,��a��|��Ƅ��,��Qpmf��pmf��׺��וr,��ڼ��D��^��Q��,��˾S��pmf�ĺ㶨��׾�ͨ�^��pmf�Ѱ��Ի��Ե��ʽ��\ݔ��Ⱥϳ��߰��ATP��,��ϳɾ��},��ں��B(t��i)�£��PHB��x,��ϳ��ṩ̼,��ͨ�^TCAѭ�h(hu��n)��ѭ�h(hu��n)��a��ATP��ϳɼ��|��Ӻ;��}�Ĵ��ϳ��ṩ��,��ں��l��,��׾��ף�ʹ�Uˮ��׸�Чȥ��,��

��׾��е�PHB��Poly��p�w��аl(f��)�]��Ҫ��,��׹�ˇ��,��Ʒ�е�PHB��Poly��y�w��M��Ⱦɫ��l(f��)�F(xi��n)�څ��^(q��)��߀ԭ�λ��-140mV��£��༚��PHB�w��Ѹ��,��,��}�w��Ѹ�ٜp�٣��ں��^(q��)��߀ԭ�λ��100mV��ϣ��༚��PHB�w��Ѹ�ٜp��,��}�w��Ѹ��,��˿��ͨ�^��ֱ��Ⱦɫ��^�y��༚��PHB�;��w��׃��,��Ķ��Д��Ч��,��

��ǟoɫ��͸��,��ڹ�W�@΢�R��,��׿��弚��ΑB(t��i)�ͽY��ͨ��Ҫ��M�зָ߼��,��Ȼ��Ⱦ��Ⱦɫ,��w�c��ķ����ڹ�W�@΢�R��^��,��E��,��r�g�L�ҳɱ��ߡ�PHB�;��鼚��ăȺ��ڹ�W�@΢�R�o��^��,��ϵ�y(t��ng)�е��Ҫ��,��һ�N��Ⱦɫ��Ɍ��ֱ��Ⱦɫ,��ڹ�W�@΢�R��^�y��༚��ȵ�PHB��w��

��2.1 PHBȾɫ

��ȡ��d��Ƭ��Ƴ�Ĥ,��0.3%��ϩ�Ҷ��K��ҺȾɫ5��15min,��_ϴ��L�ɣ��ڶ��ױ��Һ�н�մ��,��L��,��0.5%�ĉA�ԲؼtȾ��Һ��Ⱦɫ5��10s��_ϴ,��L��,��@΢�R�^�졣

��PHBȾɫ�Y��@ʾ�m��ɫ�w��,��会��|��@�ۼtɫ,��R�z��ƬҊ�D3��

��2.2 Poly��pȾɫ

��ȡ��d��Ƭ��Ƴ�Ĥ,��ü׻��{��ҺȾɫ10��30s,��ԁ�ˮ�_ϴ,��L�ɣ��@΢�R�^��,��

��Poly��pȾɫ�Y��@ʾ��{ɫ�w��,��会��|��@ʾ��\�{ɫ��R�z��ƬҊ�D4,��

��2.3 ��ֱ��Ⱦɫ�Y��

��ֱ��Ⱦɫ��о��Y��,��ں��У��պ�ጷ��׵Ļ��r�c��ˮ�е��ܽ��߀ԭ�λ��һ��Pϵ,��څ��^��,��߀ԭ�λ��-140mV�˕r��ˮ��ܽ��ܵͣ��ˮ�л��M��Ⱦɫ�ܰl(f��)�F(xi��n)��PHB��,��f��༚��׵ĺ��,��̎��׵�ጷ��A�Σ��ˮ��,��˕r��߀ԭ�λ��-140��-100mV,��༚��Ⱦɫ��PHB�ĺ��p�٣��M��ؚ�,��γɺ��A��,��ˮ��ܽ��ӣ��߀ԭ�λ��100mV,��༚��M��Ⱦɫ��,��PHB��O�ͣ��׺��y��Ⱦɫ��,��C��,��

3 �YՓ

��AAA��\��`��,��ͨ�^��Ʒ��r�g,��g��ؚ⏊�ȵȗl��폊��׾��^��zȡ�^�̵��ɡ��Mˮ��ڷ��ЙC��Ⱥܸ�,��H�ܿ��ʣ��ܽ��γɅ��B(t��i),��Ҟ��ṩ�˳�ֵ�̼Դ��ں��A��,��ЙC��Ѵ�󽵵�,��׾S�ַ��ȸ��ܽ��ȣ�ͬ�rҲ�鼚��Դ��ṩ��;��,��,��ڴ��^��У��c��B(t��i)�Ľ��棬��ˌ��Ժ��z��^��ֳ,��Û�F(xi��n)��İl(f��)��,��

��ڻ��ֱ��Ⱦɫ��,��٣��s5min��,��ʴ_��ˮ�S�ճ��O(ji��n)�y��,��ɱO(ji��n)�y��༚��ȵķ��ˮƽ��r,��ԣ�ԓָ�˵ıO(ji��n)�ؽY��ֱ��,��ʴ_�ط�ӳ��,��ȱ��Ρ��ε��߀ԭ�λ��r,��A�ε��ܽ��r��Ч��,��

��۱��о��,��څ��l��,��z�F��״��ʧ��PHB��,��l��,��׵�ͬ�rPHBѸ�ٜp�٣��Ѹ��,��l��ºϳɵ�PHBԽ��,��l��¾��׺ϳ��Խ��ھ��׾��\ݔ�ķ�ʽ��ݶȌ��ˮ�е��\ݔ��|��,��˿ɴ��,��_��^�ߵĳ��Ч��

����D�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�Դ��ע�e�`��ַ��ĺϷ��,��Ո��߳֙��C��c��W(li��n)ϵ��҂��r��,��h��,��x�x,��