CN100372604C - 磺酸盐生产垃圾硅藻土助滤剂废渣再生方法 - Google Patents

磺酸盐生产垃圾硅藻土助滤剂废渣再生方法 Download PDF

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CN100372604C
CN100372604C CNB2005100886691A CN200510088669A CN100372604C CN 100372604 C CN100372604 C CN 100372604C CN B2005100886691 A CNB2005100886691 A CN B2005100886691A CN 200510088669 A CN200510088669 A CN 200510088669A CN 100372604 C CN100372604 C CN 100372604C
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waste residue
diatomaceous earth
filter aid
earth filter
regeneration technology
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CN1907559A (zh
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马菊云
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Abstract

一种磺酸盐生产垃圾硅藻土助滤剂废渣再生方法,涉及非金属矿物制品领域。利用硅藻土本身耐酸及磺酸盐生产过程中加氧化钙的特点,通过综合理化方法加入盐酸清洗油污,及水洗去生成的氯化钙,最后脱水干燥的加工过程使硅藻土助滤剂废渣得到再生。

Description

磺酸盐生产垃圾硅藻土助滤剂废渣再生方法
技术领域
本发明涉及非金属矿物制品硅藻土助滤剂的再生方法。
背景技术
磺酸盐润滑油清净分散剂是改善润滑油性能的一种添加剂。在其生产过程中过滤工序采用的硅藻土助滤剂一次性使用后被丢弃,成为环境污染原之一。
硅藻土助滤剂生产原料土要求含硅量在85%以上,这种优质土仅占总矿藏量的20%,所以一次性使用会消耗大量优质矿产资源。
发明内容
本发明的目的是对废弃硅藻土助滤剂进行再生。
本发明的技术方案是:采用原料为锦州石化精细化工有限公司的石油磺酸盐过滤垃圾,利用硅藻土本身耐酸、耐高温等稳定的化学性能及磺酸盐生产过程中将硅藻土孔隙堵塞及生产时加入氧化钙的影响,使硅藻土失去应有的过滤性能,通过加入盐酸进行处理,恢复其应有的吸附过滤性能,同时各项指标均达国家标准要求,最后此发明一旦应用不但有一定经济效益,而且还有保护环境的巨大社会效益。
具体实施方式
将收集来的废弃硅藻土加入浓度10%的盐酸,加入量其酸、土体积比为5∶1搅拌5-10分钟,沉降后去掉上浮油质加水洗涤至PH=6,同时去除杂质用压滤机去除水分。将滤饼干燥。干燥设备采用回转窑,或其它热风干燥机均可,干燥后通过分级机分选出不同粒径产品。
上浮油质收集后,用水洗涤至中性将取上浮中性油,自然蒸发水份储存可烧制炭黑。
废水、废酸水可分别存储反复用于处理废弃硅藻土,最后废水留用制取氯化钙。
本产品硅藻土助滤剂性能理化指标可达行业标准要求,废弃物且反复再利用。

Claims (1)

1.一种磺酸盐生产垃圾硅藻土助滤剂废渣再生方法,其特征是,针对废弃硅藻土助滤剂的废渣加盐酸洗涤,其酸浓度为10%,酸土体积比5∶1,酸洗后水洗至PH值至6,去掉沉降的杂质,压滤脱水,干燥,通过分选达到使用要求。
CNB2005100886691A 2005-08-01 2005-08-01 磺酸盐生产垃圾硅藻土助滤剂废渣再生方法 Expired - Fee Related CN100372604C (zh)

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CNB2005100886691A CN100372604C (zh) 2005-08-01 2005-08-01 磺酸盐生产垃圾硅藻土助滤剂废渣再生方法

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CNB2005100886691A CN100372604C (zh) 2005-08-01 2005-08-01 磺酸盐生产垃圾硅藻土助滤剂废渣再生方法

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CN1907559A CN1907559A (zh) 2007-02-07
CN100372604C true CN100372604C (zh) 2008-03-05

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB598603A (en) * 1945-06-18 1948-02-23 Standard Oil Dev Co Improved process for the separation and concentration of olefins
GB1149792A (en) * 1966-06-02 1969-04-23 Sweco Inc Regeneration process for the recovery of spent filter medium
CN1559669A (zh) * 2004-02-23 2005-01-05 马菊云 啤酒厂生产垃圾硅藻土助滤剂废滤渣再生技术
CN1583240A (zh) * 2004-06-04 2005-02-23 田守发 废硅藻土助滤剂再生的制备方法
CN1634650A (zh) * 2004-12-13 2005-07-06 马菊云 磺酸盐生产垃圾硅藻土助滤剂废渣再生技术
CN1651135A (zh) * 2004-02-06 2005-08-10 王纪滨 废硅藻土助滤剂再生利用方法及装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB598603A (en) * 1945-06-18 1948-02-23 Standard Oil Dev Co Improved process for the separation and concentration of olefins
GB1149792A (en) * 1966-06-02 1969-04-23 Sweco Inc Regeneration process for the recovery of spent filter medium
CN1651135A (zh) * 2004-02-06 2005-08-10 王纪滨 废硅藻土助滤剂再生利用方法及装置
CN1559669A (zh) * 2004-02-23 2005-01-05 马菊云 啤酒厂生产垃圾硅藻土助滤剂废滤渣再生技术
CN1583240A (zh) * 2004-06-04 2005-02-23 田守发 废硅藻土助滤剂再生的制备方法
CN1634650A (zh) * 2004-12-13 2005-07-06 马菊云 磺酸盐生产垃圾硅藻土助滤剂废渣再生技术

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