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1.What are they used for? 相關用途
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6 T1 r( @" F ]6 e( ~$ W2 |Alkylphenols (APs) and alkylphenol ethoxylates (APEOs) are auxiliary chemicals used in different industries. They ) [& K# s( ]* q% h" c6 x/ a7 [
are good emulsifiers and wetting agents and thus have been used widely in different industrial cleaning systems
3 _' e; q6 D! d) lsuch as textile and leather processing, pulp and paper manufacturing, metal working, and agriculture. They are 6 h( v, g& V0 L
also used as domestic cleaning agents and co-formulants in pesticides and biocides. ; O. l# m; N, P4 j. g8 }$ f
In particular, NP and NPEO (under the family of APs and APEOs respectively) are extensively used as detergent 8 C# {* z9 H. J( i" r( w& Z
auxiliaries in scouring and bleaching process of fibres for removing the fibres impurities such as wax, seed, etc in ) W& C& ^5 F5 M" q5 D. \0 c& u$ K
textile wet processing.
) v" Y/ P! c3 K& g7 X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 / C/ G2 M& H) l( \ N
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
9 D# H5 |9 H' K6 |- E( `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 0 l3 a) \$ E2 t( |5 W
滌劑中,以及殺蟲劑和除生物劑的處方。 ) `, C- W2 |9 ]+ }
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
: ?& R8 H3 ]6 q9 a+ l+ z3 Q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
0 A% ^0 p, @; _6 c% o* |/ t) h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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/ F/ S: h7 t& D2.What are the problems? 相關問題 . ]2 Z2 `; I; U( s" ^
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Since APs and APEOs are non-biodegradable, they cause severe environmental problems when they are released
' h- S4 u' i) J7 ^6 Ito the environment as discharges or emissions. They are potent endocrine disrupters to the aquatic environment
$ G% d) S6 ^, F: `- Q8 a2 v$ pand can cause feminisation in male fish. As a result, the fertility or reproductive capability of the fish is reduced ' q% a* k! ]4 e# |* T& I7 [
and populations are in danger of shrinking. g- h' x$ f" h
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 ; g+ b' N4 V- K$ O/ C- C1 h
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 . N; e8 a; i& v9 Z
魚的生產力或繁殖率下降,從而使魚的種群有減少的危機。
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3.What are the measures? 相關措施
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Within the Directive 2003/53/EC published on 18 June 2003, it was added to the Directive 76/769/EEC
% m4 Z* D: a; k) ^' ^9 ?restrictions on the marketing and use of the nonylphenol (NP) and nonylphenol ethoxylate (NPEOs) summarized as / n' ?7 [& ^2 n' D
below: 3 x* K2 S% A @( D7 G
By 17 January 2005, except for pesticides or biocides which have been granted by existing national ! R. Y( F3 G, m6 ?
authorizations the use of NPEOs as a co-formulant, nonylphenol & nonylphenol ethoxylate may not be used in 4 _/ b! f3 H+ w8 Z# C( S: I
concentrations equal or higher than 0.1% (equivalent to 1,000ppm) by mass for the following purposes: + o0 ^, H$ c @
• industrial and institutional cleaning except those systems where the washing liquid is recycled or incinerated; 5 Z2 k! K# \7 h5 a5 |7 d. L
• domestic cleaning; $ [8 Q9 u# c# {2 o/ ~9 Z
• textiles and leather processing except those without release into waste water or those with special treatments . l3 w/ }, ~+ N4 p7 t6 A. r1 q1 H. Q) B
to remove the organic fraction completely prior to the release;
2 p5 O8 c8 N2 G' { ~• emulsifier in agricultural teat dips;
2 p" k7 q7 f S' V7 r% P• metal working except those systems where the washing liquid isrecycled or incinerated; ) W! s; \4 j1 i
• manufacturing of pulp and paper;
8 r! Z" ~8 ], D; n. F: d• cosmetic products;
( C" Q1 X9 q8 ]! n/ E( y• other personal care products except spermicides;
. C( ?! W$ U5 J# D* e• co-formulants in pesticides and biocides.
$ M f$ r) d& V3 C% f2003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
: \! |# Z" W8 ]+ p4 T(NP)和壬基酚乙氧基化物(NPEOs),概述如下:
: e3 U6 `8 V& F J" S& t, s4 F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
' c% U/ O! v2 n/ w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 ):
6 D. Q2 l5 z. \7 a! `# m) Y5 M! v• 工業和公共清潔,備有洗滌液再循環或焚化的系統除外; % @1 G7 k4 b) x( R+ B( g
• 家庭清潔;
: s% U/ O1 g3 Y+ D- r) F# M• 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;
$ c$ }1 e5 K! q3 d• 農用乳頭消毒液的乳化劑;
& S7 }9 o/ t+ _7 U4 E• 金工, 備有洗滌液再循環或焚化的系統除外; . L# B7 @! t( i$ ]5 Z- {
• 紙漿和造紙加工; - H+ I) X7 R9 y6 q7 k0 l( S
• 化妝品;
( Y8 Q$ l% U6 \9 @• 其他個人護理用品,殺精劑除外; ( Y( e* V* A& F; n; G. L" c
• 殺蟲劑和除生物劑的處方。 9 ^# d! l' t' y
来源:STC 李昊鹏 |
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