CN1058411A - 草浆废液生产沥青乳化剂及其检测方法 - Google Patents

草浆废液生产沥青乳化剂及其检测方法 Download PDF

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CN1058411A
CN1058411A CN91104393A CN91104393A CN1058411A CN 1058411 A CN1058411 A CN 1058411A CN 91104393 A CN91104393 A CN 91104393A CN 91104393 A CN91104393 A CN 91104393A CN 1058411 A CN1058411 A CN 1058411A
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waste liquid
oxidation
emulsifier
concentration
asphalt
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齐凯一
李岫云
林炳华
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ANTI-EPIDEMIC CLINIC CENTRAL ENGINEERING OF BUREAU NO 5 MINISTRY OF RAILWAYS
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ANTI-EPIDEMIC CLINIC CENTRAL ENGINEERING OF BUREAU NO 5 MINISTRY OF RAILWAYS
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    • C07C279/00—Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups
    • C07C279/28—Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of guanidine groups bound to cyano groups, e.g. cyanoguanidines, dicyandiamides
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    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
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  • Oil, Petroleum & Natural Gas (AREA)
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  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)

Abstract

本发明公开了一种沥青乳化剂及其检测方法，是 将草浆废液先氧化(改性)，再复配，并通过一定手段 检测其氧化程度，可得到质量稳定的沥青乳液。本发 明能使造纸厂废液得到充分利用，生产成本低，并能 减少对环境的污染，可广泛应用于公路、铁路及防水、 防腐领域。

Description

草浆废液生产沥青乳化剂及其检测方法
本发明是一种生产沥青材料的乳化剂及其检测方法。
利用硫酸盐木浆废液生产沥青乳化剂，国外76年就有报道，美国专利(专利号：3956002)提出了将硫酸盐纸浆氧化，复配的方法来生产沥青乳化剂，但对我国造纸业采用的草浆所生产的废液的处理未见有关报道，另外，对于废液氧化程度的检测无一定手段，这样就无法保证产品的质量。中国专利申请(申请号：87106815.X)提出对废液不氧化，直接进行复配生产沥青乳化液，该方法原料用量大，乳液稳定性差、生产成本高。
本发明的目的在于：提供一种用草浆废液生产沥青乳化剂的方法及其检测手段，并能降低生产成本，从而使造纸厂蒸煮废液得到利用，减少对坏境的污染。
本发明是这样实现的：先将废液在80℃～100℃下通入氧气或空气4小时以上进行氧化(改性)，加入直链淀粉，然后将改性合格的废液按固形物含量与脂肪酸及盐，石油磺酸及盐，烷基芳基磺酸及盐以1∶0.5～1复配成为阴离子沥青乳化剂；将此乳化剂加水稀释为浓度1～1.3％的乳化剂液，再将乳化剂液按4∶6的比例与已脱水的沥青乳化。
本发明的检测方法是：将氧化后的废液稀释为0.01、0.02……0.1％的浓度，测定其电导率，再将电导率与浓度关系回归，找出拐点，拐点延长线夹角大于2°为氧化合格。
本发明是与现有技术相比，具有可解决我国草浆造纸所造成的环境污染，生产成本低，并可通过一定的检测手段保证废液氧化质量，使乳化剂质量稳定等优点。
本发明是这样实施的：用硫酸盐法龙须草浆废液(固形物浓度10％)100公斤，PH值11.5，加温至90℃，通入空气4小时，使其氧化(改性)，然后将废液稀释为0.01、0.02....0.1％的浓度测电导率，以0.05％为界将10个数据分为二组，电导率对浓度回归，计算出拐点延长线夹角为2.1°。将改性合格的上述废液加入溶解淀粉0.5公斤，十二烷基苯磺酸10公斤，烧碱4公斤，加水至2吨，将此乳化液加温至80℃，与3吨已脱水的209号沥青乳化，得到沥青乳液5吨。

Claims (2)

1、一种用草浆废液生产沥青乳化剂的方法，先将废液氧化，然后进行复配，其特征在于：将废液在80℃～100℃下通入氧气或空气4小时以上进行氧化(改性)，加入直链淀粉，然后将改性合格的废液按固形物含量与脂肪酸及盐，石油磺酸及盐，烷基芳基磺酸及盐以1∶0.5～1复配成为阴离子沥青乳化剂；将此乳化剂加水稀释为浓度为1～1.3％的乳化剂液，再将乳化剂液按4∶6的比例与已脱水的沥青乳化。
2、一种检测上述乳化剂的方法，其特征在于：将氧化后的废液稀释为0.01、0.02……0.1％的浓度，测定其电导率，再将电导率与浓度关系回归，找出拐点，拐点延长线夹角大于2°为氧化合格。
CN91104393A 1991-06-24 1991-06-24 草浆废液生产沥青乳化剂及其检测方法 Pending CN1058411A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1085105C (zh) * 1996-04-12 2002-05-22 铁五局科研所实验工厂 用草浆黑液生产阴阳离子乳化剂的方法
CN101765641B (zh) * 2007-07-26 2016-09-21 阿克佐诺贝尔股份有限公司 沥青的粘附和粘结改性剂

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1085105C (zh) * 1996-04-12 2002-05-22 铁五局科研所实验工厂 用草浆黑液生产阴阳离子乳化剂的方法
CN101765641B (zh) * 2007-07-26 2016-09-21 阿克佐诺贝尔股份有限公司 沥青的粘附和粘结改性剂

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