某肉联厂生产废水的处理工艺设计.doc
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- 关 键 词:
- 肉联厂 生产 废水 处理 工艺 设计
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1、摘 要本毕业设计的课程是采用SBR法处理肉联厂废水。该肉联厂废水的设计流量是350t/d,CODcr达900 mg/L,BOD5达600 mg/L,SS为800mg/L。处理后水质达到CODcr100 mg/L,BOD530 mg/L,SS70mg/L。处理后的废水将可以直接排放到自然水体或者回用。肉联厂废水属于易于生物降解的高悬浮物有机废水,废水水质、水量变化范围比较大。目前对该类废水的治理,均采用以生物法为主的处理工艺,包括好氧、厌氧、兼性厌氧等处理工艺。针对肉联厂废水的这些特点,本设计用水解酸化-SBR法处理肉联厂废水。该方法具有工艺简单,投资省,能耗低,处理效果好,构造简单,便于操作和
2、管理维护,声誉污泥量少和不产生污泥膨胀等优点,是肉联厂废水处理的理想工艺。经过处理后的出水各项指标均达到国家标准污水综合排放标准(GB8978-1996)一级标准。关键词:肉联厂废水,水解酸化,SBR处理工艺AbstractThe course of this graduate design is to adopts the method of SBR handles meatpacking waste water. the design discharge of the waste water is 350 t/ d, the chemical oxygen demand amount to
3、900 mg/ L, the biological oxygen demand amount to 600 mg/ L, the suspend for 800 mg/ L.The fluid matter attains after handling chemical oxygen demand is not more than 100 mg/L, biological oxygen demand is not more than 30 mg/L , the suspend is not more than 70mg/L.The waste water handling behind wil
4、l can exhaust directly the nature water or reuse.The meatpacking waste water belongs to the easy to living creature declines the high suspend that solve floats the thing organism waste water, the waste water fluid matter, water measures the variety scope is bigger.It is current to manage to the type
5、s waste waters, all adopting to regard living creature method as to handles mainly craft, include the oxygen, the oxygen of anoxygen , concurrently sex anoxygen etc. handles craft.Aim at these characteristicseses of the meatpacking wastewater, this design uses the water solution the sour turning- th
6、e method of SBR handlesmeatpacking wastewater.That method has the craft simple, investment province, can consume low, handle effective, structure simple, easy to operation with manage the maintenance, the dirty amount of mire in good reputation is little with do not produce dirty mire inflation etc.
7、 advantage, is an ideal craft to handle the meatpacking wastewater.Through a water various index signs that all attain after handling the dirty water in national standard to synthesize the exhaustion standard ( GB8978-1996) the first standard changes .Key phrase: meatpacking waste water ,water solut
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