1、适合原水适合原水SS含量高,含量高,B/C低,可生化性差的废水低,可生化性差的废水降温降温/格栅格栅调节池调节池反应池反应池沉淀沉淀/气浮气浮水解酸化水解酸化好氧池好氧池二沉二沉/过滤过滤放流池放流池污泥池污泥池物化污泥物化污泥剩余污泥剩余污泥污泥回流污泥回流NaOH PAC PAM适合原水适合原水SS含量低,含量低,B/C低,可生化性差的废水低,可生化性差的废水降温降温/格栅格栅调节池调节池水解酸化水解酸化好氧池好氧池二沉二沉/过滤过滤放流池放流池污泥池污泥池剩余污泥剩余污泥污泥回流污泥回流适合原水适合原水SS含量高,含量高,B/C高,可生化性好的废水高,可生化性好的废水 (采用淀粉退浆废水
2、采用淀粉退浆废水)降温降温/格栅格栅调节池调节池反应池反应池沉淀沉淀/气浮气浮好氧池好氧池二沉二沉/过滤过滤放流池放流池NaOH PAC PAM污泥池污泥池物化污泥物化污泥剩余污泥剩余污泥污泥回流污泥回流已采用完整物化已采用完整物化+生化工艺的排放水,且生化流程长,排水水质稳定生化工艺的排放水,且生化流程长,排水水质稳定排水沉淀过滤UF/MF压RO/NF排放HCl PAC PAM污泥回流高级氧化回用已采用部分物化已采用部分物化+生化工艺的排放水,且生化流程短,排水水质不稳生化工艺的排放水,且生化流程短,排水水质不稳排水排水沉淀沉淀过滤过滤UF/MF压压RO/NF排放排放HCl PAC PAM污
3、泥回流污泥回流高级氧化高级氧化回用回用采用不完整物化,或场地不变需扩大处理规模,排水水质不稳定采用不完整物化,或场地不变需扩大处理规模,排水水质不稳定厌氧RO/NF排放高级氧化回用好氧二沉MF浸(MBR)厌氧Flow特殊34mil28mil在同一个装置上的试验微粒子的堆积少通过34mil隔网的粒子堆积在28mil隔网上34mil进水隔网比28mil的流路更厚( A )(约20%)、减少污染物堆积FilamentParticle34mil28milAFlowA进水浓水产水进水浓水全量过滤错流过滤切向流速10-12GFD3.8-4.5m3/h4.1m3/h8.6m3/h10-12GFD2.5-3.
4、0m3/h4.1m3/h7.1m3/h进水浓水产水进水浓水流量阻力流速浓差极化污染流量024681012141618205%10% 15% 20% 25% 30% 35% 40% 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95%进膜=1产水=0.15浓水=0.85回收率=15%提升系统回收率排放=0.15进泵=1进水=0.3膜回收率=15%系统回收率=50%回流=0.7015bar14bar14bar13bar2bar4bar8bar13bar10bar5bar-0.20.00.20.40.60.81.001002003004005006007008009
5、00Days in operation (day)dP (MPa)CPA3 1st.CPA3 2nd.CPA3 3rd.LD 1st.LD 2nd.LD 3rd.1st. CPA3 Cleaning withNa3PO42nd. Acid1st. CPA3-LDCleaning with Citricacid2nd. CPA3-LD Cleaningwith Citric acid and NaOHCPA3-LD Cleaning withNaOHdP0. 01. 02. 03. 04. 05. 06. 03/1/065/31/068/30/0611/29/062/28/075/30/078/29/0711/28/07O perati on peri ods daysdP kgf/cm2Total dPCI P Ci tri c Aci d pH2. 3 NaO H=12( 4/25)CI P Ci tri c Aci d pH 2. 3NaO H pH12CI P Ci ti rc Aci d pH 2. 3NaO H pH12CI P Ci tri c Aci d pH2. 3 NaO H=12( 4/25)100t/h37芯125t/h25t/h208t/h333t/h9t/h6.3t/h2.7t/hTHE ENDThank you