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1.What are they used for? 相關用途
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& G0 f/ F, X/ A& VAlkylphenols (APs) and alkylphenol ethoxylates (APEOs) are auxiliary chemicals used in different industries. They
& l, o8 I+ @" \4 T* Z) Dare good emulsifiers and wetting agents and thus have been used widely in different industrial cleaning systems
' f0 _. c* T* g* o; _- S* C+ psuch as textile and leather processing, pulp and paper manufacturing, metal working, and agriculture. They are ; j6 J1 J: a/ X1 j4 D! T% F
also used as domestic cleaning agents and co-formulants in pesticides and biocides. # f- d" G, i% a& z. z: a
In particular, NP and NPEO (under the family of APs and APEOs respectively) are extensively used as detergent 9 P9 S1 o2 c6 `: {
auxiliaries in scouring and bleaching process of fibres for removing the fibres impurities such as wax, seed, etc in
% E1 c' W! T+ D9 Rtextile wet processing. : W5 n0 k; r$ k! _
烷基酚(APs)和烷基酚乙氧基化物(APEOs)在不同工業中常用作輔助化學
. N/ S- y" @; b# W劑。它們是良好的乳化劑和潤濕劑,因此它們被廣泛地用於不同的工業洗滌過程
7 j7 s$ y. f5 \" C中,如紡織和皮革加工、紙漿和造紙加工、金工和農業等。它們亦會用於家庭洗 2 ^, B5 e$ d0 u) i% a0 w( s4 E
滌劑中,以及殺蟲劑和除生物劑的處方。 - o* J& }% o7 C" k; c! K
在紡織品的濕處理過程中,壬基酚(NP)和壬基酚乙氧基化物(NPEOs)(分別
! ^. D% W: w6 K屬於烷基酚(APs)族和烷基酚乙氧基化物(APEOs)族),主要被用作洗滌劑 - }( T" X% w' _ I( K/ [
的助劑,在纖維的清洗及漂白過程中,用以去除如蠟、籽屑等雜物。
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2.What are the problems? 相關問題
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Since APs and APEOs are non-biodegradable, they cause severe environmental problems when they are released
4 C$ B2 u6 d$ h- {1 B, M% }to the environment as discharges or emissions. They are potent endocrine disrupters to the aquatic environment
* t/ n3 {% Z( H* i* e) fand can cause feminisation in male fish. As a result, the fertility or reproductive capability of the fish is reduced
, l2 l& t0 n8 f4 `7 Sand populations are in danger of shrinking.
% T& ?: K$ y% }8 M! D9 `6 ^7 P由於烷基酚(APs)和烷基酚乙氧基化物(APEOs)是不能被生物降解的,因此,當它們被排放或釋放到環境
2 d% g& _0 |, U+ r2 m中時,便會引發嚴重的環境問題。對水質生態來說,他們是烈性的內分泌破壞者,能導致雄魚雌性化。結果是 # s6 L3 `+ C8 V! k8 L
魚的生產力或繁殖率下降,從而使魚的種群有減少的危機。 # ~( ]1 m1 |' }9 P
- S. E* q- ^' z7 s5 U3.What are the measures? 相關措施 ) R4 G- a# N3 y0 k# p9 q
1 X6 V+ G% _; cWithin the Directive 2003/53/EC published on 18 June 2003, it was added to the Directive 76/769/EEC 0 X1 A$ M# y$ L5 d& `
restrictions on the marketing and use of the nonylphenol (NP) and nonylphenol ethoxylate (NPEOs) summarized as
) d! U/ k+ E; B, ebelow: 8 Q* d: A/ O( S$ ?/ S' n
By 17 January 2005, except for pesticides or biocides which have been granted by existing national 2 A2 x- R J: ]) Q2 |2 k w$ h
authorizations the use of NPEOs as a co-formulant, nonylphenol & nonylphenol ethoxylate may not be used in , ?) |% N4 a/ S( N2 ?
concentrations equal or higher than 0.1% (equivalent to 1,000ppm) by mass for the following purposes: ' H$ B, T3 Z, d) ?4 u
• industrial and institutional cleaning except those systems where the washing liquid is recycled or incinerated; & K$ }/ |! \7 O& v5 o
• domestic cleaning;
' m+ |$ [: r6 o3 B1 }, r: M- V9 ^• textiles and leather processing except those without release into waste water or those with special treatments
m o. w4 `/ u+ d# i& H2 A4 W+ Ito remove the organic fraction completely prior to the release; % e- ~6 C0 [; K5 ?2 |1 f
• emulsifier in agricultural teat dips;
1 Y2 l$ p4 R8 b• metal working except those systems where the washing liquid isrecycled or incinerated; 1 N8 u. p" O. G9 F8 k. a
• manufacturing of pulp and paper; $ f& p' J. R( x' f" l
• cosmetic products; ' `# A$ y% R+ j% y9 U) |9 w
• other personal care products except spermicides; 8 U2 q/ }5 {* A5 V# {! C% B
• co-formulants in pesticides and biocides. $ z1 }+ { F( B% W
2003年6月18日發佈的2003/53/EC指令已經加進76/769/EEC指令中,該指令限制銷售和使用壬基酚 % `- g9 b/ `1 ]8 I
(NP)和壬基酚乙氧基化物(NPEOs),概述如下: # e( A2 b" }4 ^2 ?1 m" ]* X0 t( X" v
從2005 年1 月17 日起,除了已被國家授權准予使用NPEOs 作為處方的殺蟲劑和除生物劑外,用於下列目的壬
! z! |+ W, Y5 H: U基酚(NP )和壬基酚乙氧基化物(NPEOs )的質量比濃度不可等於或高於0.1% (相當於1,000ppm ): 0 g5 [ W8 Y3 s# t5 T
• 工業和公共清潔,備有洗滌液再循環或焚化的系統除外;
3 H- f4 j4 c3 c$ h8 i) i• 家庭清潔;
, t+ [* x" k& c3 e( X" d1 v% d/ O8 r2 J• 紡織品和皮革加工,不排放到廢水或在排放前經過特殊處理而完全除去了有機物的除外; % B n1 M8 X8 ]5 I) R
• 農用乳頭消毒液的乳化劑;
' V3 Y5 W7 O. Z- |" G0 R" n• 金工, 備有洗滌液再循環或焚化的系統除外; 6 S3 i: q9 Z6 ?: [1 ~1 b. K% ]
• 紙漿和造紙加工;
' i' Q% o$ a- x) j3 P5 D7 c• 化妝品;
) ?; d' W) o+ F& M, h0 O• 其他個人護理用品,殺精劑除外; 8 y$ T+ w/ j$ @
• 殺蟲劑和除生物劑的處方。 6 s& \6 W, f2 {: k$ [5 I9 U8 ~# W4 M
来源:STC 李昊鹏 |
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